Merge remote-tracking branch 'eugenp/master'
This commit is contained in:
DOHA
commit
8754806e7e
@ -15,3 +15,5 @@
|
||||
- [Calculate Percentage in Java](https://www.baeldung.com/java-calculate-percentage)
|
||||
- [Converting Between Byte Arrays and Hexadecimal Strings in Java](https://www.baeldung.com/java-byte-arrays-hex-strings)
|
||||
- [Convert Latitude and Longitude to a 2D Point in Java](https://www.baeldung.com/java-convert-latitude-longitude)
|
||||
- [Reversing a Binary Tree in Java](https://www.baeldung.com/java-reversing-a-binary-tree)
|
||||
- [Find If Two Numbers Are Relatively Prime in Java](https://www.baeldung.com/java-two-relatively-prime-numbers)
|
||||
|
||||
@ -4,4 +4,3 @@
|
||||
- [Implementing Simple State Machines with Java Enums](https://www.baeldung.com/java-enum-simple-state-machine)
|
||||
- [Converting Between Roman and Arabic Numerals in Java](http://www.baeldung.com/java-convert-roman-arabic)
|
||||
- [Practical Java Examples of the Big O Notation](http://www.baeldung.com/java-algorithm-complexity)
|
||||
- [An Introduction to the Theory of Big-O Notation](http://www.baeldung.com/big-o-notation)
|
||||
@ -60,7 +60,6 @@
|
||||
<properties>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<junit.version>4.10</junit.version>
|
||||
<meecrowave-junit.version>1.2.0</meecrowave-junit.version>
|
||||
<okhttp.version>3.10.0</okhttp.version>
|
||||
<meecrowave-jpa.version>1.2.1</meecrowave-jpa.version>
|
||||
|
||||
21
apache-olingo/Samples.md
Normal file
21
apache-olingo/Samples.md
Normal file
@ -0,0 +1,21 @@
|
||||
## OData test URLs
|
||||
|
||||
This following table contains test URLs that can be used with the Olingo V2 demo project.
|
||||
|
||||
| URL | Description |
|
||||
|------------------------------------------|-------------------------------------------------|
|
||||
| `http://localhost:8180/odata/$metadata` | fetch OData metadata document |
|
||||
| `http://localhost:8180/odata/CarMakers?$top=10&$skip=10` | Get 10 entities starting at offset 10 |
|
||||
| `http://localhost:8180/odata/CarMakers?$count` | Return total count of entities in this set |
|
||||
| `http://localhost:8180/odata/CarMakers?$filter=startswith(Name,'B')` | Return entities where the *Name* property starts with 'B' |
|
||||
| `http://localhost:8180/odata/CarModels?$filter=Year eq 2008 and CarMakerDetails/Name eq 'BWM'` | Return *CarModel* entities where the *Name* property of its maker starts with 'B' |
|
||||
| `http://localhost:8180/odata/CarModels(1L)?$expand=CarMakerDetails` | Return the *CarModel* with primary key '1', along with its maker|
|
||||
| `http://localhost:8180/odata/CarModels(1L)?$select=Name,Sku` | Return the *CarModel* with primary key '1', returing only its *Name* and *Sku* properties |
|
||||
| `http://localhost:8180/odata/CarModels?$orderBy=Name asc,Sku desc` | Return *CarModel* entities, ordered by the their *Name* and *Sku* properties |
|
||||
| `http://localhost:8180/odata/CarModels?$format=json` | Return *CarModel* entities, using a JSON representation|
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
108
apache-olingo/olingo2/pom.xml
Normal file
108
apache-olingo/olingo2/pom.xml
Normal file
@ -0,0 +1,108 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<parent>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-parent</artifactId>
|
||||
<version>2.1.3.RELEASE</version>
|
||||
<relativePath /> <!-- lookup parent from repository -->
|
||||
</parent>
|
||||
<groupId>org.baeldung.examples.olingo2</groupId>
|
||||
<artifactId>olingo2-sample</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<name>olingo2-sample</name>
|
||||
<description>Sample Olingo 2 Project</description>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
<olingo2.version>2.0.11</olingo2.version>
|
||||
</properties>
|
||||
|
||||
<dependencies>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-jersey</artifactId>
|
||||
</dependency>
|
||||
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-data-jpa</artifactId>
|
||||
</dependency>
|
||||
|
||||
|
||||
<dependency>
|
||||
<groupId>com.h2database</groupId>
|
||||
<artifactId>h2</artifactId>
|
||||
<scope>runtime</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-configuration-processor</artifactId>
|
||||
<optional>true</optional>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.projectlombok</groupId>
|
||||
<artifactId>lombok</artifactId>
|
||||
<optional>true</optional>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-test</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
|
||||
<!-- Olingo 2 Dependencies -->
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>olingo-odata2-core</artifactId>
|
||||
<version>${olingo2.version}</version>
|
||||
<!-- Avoid jax-rs version conflict by excluding Olingo's version -->
|
||||
<exclusions>
|
||||
<exclusion>
|
||||
<groupId>javax.ws.rs</groupId>
|
||||
<artifactId>javax.ws.rs-api</artifactId>
|
||||
</exclusion>
|
||||
</exclusions>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>olingo-odata2-api</artifactId>
|
||||
<version>${olingo2.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>olingo-odata2-jpa-processor-api</artifactId>
|
||||
<version>${olingo2.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>olingo-odata2-jpa-processor-core</artifactId>
|
||||
<version>${olingo2.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>olingo-odata2-jpa-processor-ref</artifactId>
|
||||
<version>${olingo2.version}</version>
|
||||
<exclusions>
|
||||
<exclusion>
|
||||
<groupId>org.eclipse.persistence</groupId>
|
||||
<artifactId>eclipselink</artifactId>
|
||||
</exclusion>
|
||||
</exclusions>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-maven-plugin</artifactId>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
</project>
|
||||
@ -0,0 +1,298 @@
|
||||
package org.baeldung.examples.olingo2;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import javax.persistence.EntityGraph;
|
||||
import javax.persistence.EntityManager;
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.EntityTransaction;
|
||||
import javax.persistence.FlushModeType;
|
||||
import javax.persistence.LockModeType;
|
||||
import javax.persistence.Persistence;
|
||||
import javax.persistence.Query;
|
||||
import javax.persistence.StoredProcedureQuery;
|
||||
import javax.persistence.SynchronizationType;
|
||||
import javax.persistence.TypedQuery;
|
||||
import javax.persistence.criteria.CriteriaBuilder;
|
||||
import javax.persistence.criteria.CriteriaDelete;
|
||||
import javax.persistence.criteria.CriteriaQuery;
|
||||
import javax.persistence.criteria.CriteriaUpdate;
|
||||
import javax.persistence.metamodel.Metamodel;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
|
||||
import org.apache.olingo.odata2.api.processor.ODataContext;
|
||||
import org.apache.olingo.odata2.jpa.processor.api.ODataJPAContext;
|
||||
import org.apache.olingo.odata2.jpa.processor.api.ODataJPAServiceFactory;
|
||||
import org.apache.olingo.odata2.jpa.processor.api.exception.ODataJPARuntimeException;
|
||||
import org.baeldung.examples.olingo2.JerseyConfig.EntityManagerFilter;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.orm.jpa.EntityManagerFactoryUtils;
|
||||
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
/**
|
||||
* ODataJPAServiceFactory implementation for our sample domain
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
@Component
|
||||
public class CarsODataJPAServiceFactory extends ODataJPAServiceFactory {
|
||||
|
||||
private static final Logger log = LoggerFactory.getLogger(CarsODataJPAServiceFactory.class);
|
||||
|
||||
public CarsODataJPAServiceFactory() {
|
||||
// Enable detailed error messages (useful for debugging)
|
||||
setDetailErrors(true);
|
||||
}
|
||||
|
||||
/**
|
||||
* This method will be called by Olingo on every request to
|
||||
* initialize the ODataJPAContext that will be used.
|
||||
*/
|
||||
@Override
|
||||
public ODataJPAContext initializeODataJPAContext() throws ODataJPARuntimeException {
|
||||
|
||||
log.info("[I32] >>> initializeODataJPAContext()");
|
||||
ODataJPAContext ctx = getODataJPAContext();
|
||||
ODataContext octx = ctx.getODataContext();
|
||||
HttpServletRequest request = (HttpServletRequest)octx.getParameter(ODataContext.HTTP_SERVLET_REQUEST_OBJECT);
|
||||
EntityManager em = (EntityManager)request.getAttribute(EntityManagerFilter.EM_REQUEST_ATTRIBUTE);
|
||||
|
||||
// Here we're passing the EM that was created by the EntityManagerFilter (see JerseyConfig)
|
||||
ctx.setEntityManager(new EntityManagerWrapper(em));
|
||||
ctx.setPersistenceUnitName("default");
|
||||
|
||||
// We're managing the EM's lifecycle, so we must inform Olingo that it should not
|
||||
// try to manage transactions and/or persistence sessions
|
||||
ctx.setContainerManaged(true);
|
||||
return ctx;
|
||||
}
|
||||
|
||||
static class EntityManagerWrapper implements EntityManager {
|
||||
|
||||
private EntityManager delegate;
|
||||
|
||||
public void persist(Object entity) {
|
||||
log.info("[I68] persist: entity.class=" + entity.getClass()
|
||||
.getSimpleName());
|
||||
delegate.persist(entity);
|
||||
// delegate.flush();
|
||||
}
|
||||
|
||||
public <T> T merge(T entity) {
|
||||
log.info("[I74] merge: entity.class=" + entity.getClass()
|
||||
.getSimpleName());
|
||||
return delegate.merge(entity);
|
||||
}
|
||||
|
||||
public void remove(Object entity) {
|
||||
log.info("[I78] remove: entity.class=" + entity.getClass()
|
||||
.getSimpleName());
|
||||
delegate.remove(entity);
|
||||
}
|
||||
|
||||
public <T> T find(Class<T> entityClass, Object primaryKey) {
|
||||
return delegate.find(entityClass, primaryKey);
|
||||
}
|
||||
|
||||
public <T> T find(Class<T> entityClass, Object primaryKey, Map<String, Object> properties) {
|
||||
return delegate.find(entityClass, primaryKey, properties);
|
||||
}
|
||||
|
||||
public <T> T find(Class<T> entityClass, Object primaryKey, LockModeType lockMode) {
|
||||
return delegate.find(entityClass, primaryKey, lockMode);
|
||||
}
|
||||
|
||||
public <T> T find(Class<T> entityClass, Object primaryKey, LockModeType lockMode, Map<String, Object> properties) {
|
||||
return delegate.find(entityClass, primaryKey, lockMode, properties);
|
||||
}
|
||||
|
||||
public <T> T getReference(Class<T> entityClass, Object primaryKey) {
|
||||
return delegate.getReference(entityClass, primaryKey);
|
||||
}
|
||||
|
||||
public void flush() {
|
||||
delegate.flush();
|
||||
}
|
||||
|
||||
public void setFlushMode(FlushModeType flushMode) {
|
||||
delegate.setFlushMode(flushMode);
|
||||
}
|
||||
|
||||
public FlushModeType getFlushMode() {
|
||||
return delegate.getFlushMode();
|
||||
}
|
||||
|
||||
public void lock(Object entity, LockModeType lockMode) {
|
||||
delegate.lock(entity, lockMode);
|
||||
}
|
||||
|
||||
public void lock(Object entity, LockModeType lockMode, Map<String, Object> properties) {
|
||||
delegate.lock(entity, lockMode, properties);
|
||||
}
|
||||
|
||||
public void refresh(Object entity) {
|
||||
delegate.refresh(entity);
|
||||
}
|
||||
|
||||
public void refresh(Object entity, Map<String, Object> properties) {
|
||||
delegate.refresh(entity, properties);
|
||||
}
|
||||
|
||||
public void refresh(Object entity, LockModeType lockMode) {
|
||||
delegate.refresh(entity, lockMode);
|
||||
}
|
||||
|
||||
public void refresh(Object entity, LockModeType lockMode, Map<String, Object> properties) {
|
||||
delegate.refresh(entity, lockMode, properties);
|
||||
}
|
||||
|
||||
public void clear() {
|
||||
delegate.clear();
|
||||
}
|
||||
|
||||
public void detach(Object entity) {
|
||||
delegate.detach(entity);
|
||||
}
|
||||
|
||||
public boolean contains(Object entity) {
|
||||
return delegate.contains(entity);
|
||||
}
|
||||
|
||||
public LockModeType getLockMode(Object entity) {
|
||||
return delegate.getLockMode(entity);
|
||||
}
|
||||
|
||||
public void setProperty(String propertyName, Object value) {
|
||||
delegate.setProperty(propertyName, value);
|
||||
}
|
||||
|
||||
public Map<String, Object> getProperties() {
|
||||
return delegate.getProperties();
|
||||
}
|
||||
|
||||
public Query createQuery(String qlString) {
|
||||
return delegate.createQuery(qlString);
|
||||
}
|
||||
|
||||
public <T> TypedQuery<T> createQuery(CriteriaQuery<T> criteriaQuery) {
|
||||
return delegate.createQuery(criteriaQuery);
|
||||
}
|
||||
|
||||
public Query createQuery(CriteriaUpdate updateQuery) {
|
||||
return delegate.createQuery(updateQuery);
|
||||
}
|
||||
|
||||
public Query createQuery(CriteriaDelete deleteQuery) {
|
||||
return delegate.createQuery(deleteQuery);
|
||||
}
|
||||
|
||||
public <T> TypedQuery<T> createQuery(String qlString, Class<T> resultClass) {
|
||||
return delegate.createQuery(qlString, resultClass);
|
||||
}
|
||||
|
||||
public Query createNamedQuery(String name) {
|
||||
return delegate.createNamedQuery(name);
|
||||
}
|
||||
|
||||
public <T> TypedQuery<T> createNamedQuery(String name, Class<T> resultClass) {
|
||||
return delegate.createNamedQuery(name, resultClass);
|
||||
}
|
||||
|
||||
public Query createNativeQuery(String sqlString) {
|
||||
return delegate.createNativeQuery(sqlString);
|
||||
}
|
||||
|
||||
public Query createNativeQuery(String sqlString, Class resultClass) {
|
||||
return delegate.createNativeQuery(sqlString, resultClass);
|
||||
}
|
||||
|
||||
public Query createNativeQuery(String sqlString, String resultSetMapping) {
|
||||
return delegate.createNativeQuery(sqlString, resultSetMapping);
|
||||
}
|
||||
|
||||
public StoredProcedureQuery createNamedStoredProcedureQuery(String name) {
|
||||
return delegate.createNamedStoredProcedureQuery(name);
|
||||
}
|
||||
|
||||
public StoredProcedureQuery createStoredProcedureQuery(String procedureName) {
|
||||
return delegate.createStoredProcedureQuery(procedureName);
|
||||
}
|
||||
|
||||
public StoredProcedureQuery createStoredProcedureQuery(String procedureName, Class... resultClasses) {
|
||||
return delegate.createStoredProcedureQuery(procedureName, resultClasses);
|
||||
}
|
||||
|
||||
public StoredProcedureQuery createStoredProcedureQuery(String procedureName, String... resultSetMappings) {
|
||||
return delegate.createStoredProcedureQuery(procedureName, resultSetMappings);
|
||||
}
|
||||
|
||||
public void joinTransaction() {
|
||||
delegate.joinTransaction();
|
||||
}
|
||||
|
||||
public boolean isJoinedToTransaction() {
|
||||
return delegate.isJoinedToTransaction();
|
||||
}
|
||||
|
||||
public <T> T unwrap(Class<T> cls) {
|
||||
return delegate.unwrap(cls);
|
||||
}
|
||||
|
||||
public Object getDelegate() {
|
||||
return delegate.getDelegate();
|
||||
}
|
||||
|
||||
public void close() {
|
||||
log.info("[I229] close");
|
||||
delegate.close();
|
||||
}
|
||||
|
||||
public boolean isOpen() {
|
||||
boolean isOpen = delegate.isOpen();
|
||||
log.info("[I236] isOpen: " + isOpen);
|
||||
return isOpen;
|
||||
}
|
||||
|
||||
public EntityTransaction getTransaction() {
|
||||
log.info("[I240] getTransaction()");
|
||||
return delegate.getTransaction();
|
||||
}
|
||||
|
||||
public EntityManagerFactory getEntityManagerFactory() {
|
||||
return delegate.getEntityManagerFactory();
|
||||
}
|
||||
|
||||
public CriteriaBuilder getCriteriaBuilder() {
|
||||
return delegate.getCriteriaBuilder();
|
||||
}
|
||||
|
||||
public Metamodel getMetamodel() {
|
||||
return delegate.getMetamodel();
|
||||
}
|
||||
|
||||
public <T> EntityGraph<T> createEntityGraph(Class<T> rootType) {
|
||||
return delegate.createEntityGraph(rootType);
|
||||
}
|
||||
|
||||
public EntityGraph<?> createEntityGraph(String graphName) {
|
||||
return delegate.createEntityGraph(graphName);
|
||||
}
|
||||
|
||||
public EntityGraph<?> getEntityGraph(String graphName) {
|
||||
return delegate.getEntityGraph(graphName);
|
||||
}
|
||||
|
||||
public <T> List<EntityGraph<? super T>> getEntityGraphs(Class<T> entityClass) {
|
||||
return delegate.getEntityGraphs(entityClass);
|
||||
}
|
||||
|
||||
public EntityManagerWrapper(EntityManager delegate) {
|
||||
this.delegate = delegate;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,125 @@
|
||||
package org.baeldung.examples.olingo2;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import javax.persistence.EntityManager;
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.EntityTransaction;
|
||||
import javax.servlet.ServletContext;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.ws.rs.ApplicationPath;
|
||||
import javax.ws.rs.Path;
|
||||
import javax.ws.rs.container.ContainerRequestContext;
|
||||
import javax.ws.rs.container.ContainerRequestFilter;
|
||||
import javax.ws.rs.container.ContainerResponseContext;
|
||||
import javax.ws.rs.container.ContainerResponseFilter;
|
||||
import javax.ws.rs.core.Context;
|
||||
import javax.ws.rs.ext.Provider;
|
||||
|
||||
import org.apache.olingo.odata2.api.ODataServiceFactory;
|
||||
import org.apache.olingo.odata2.core.rest.ODataRootLocator;
|
||||
import org.apache.olingo.odata2.core.rest.app.ODataApplication;
|
||||
import org.glassfish.jersey.server.ResourceConfig;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
/**
|
||||
* Jersey JAX-RS configuration
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
@Component
|
||||
@ApplicationPath("/odata")
|
||||
public class JerseyConfig extends ResourceConfig {
|
||||
|
||||
|
||||
public JerseyConfig(CarsODataJPAServiceFactory serviceFactory, EntityManagerFactory emf) {
|
||||
|
||||
ODataApplication app = new ODataApplication();
|
||||
|
||||
app
|
||||
.getClasses()
|
||||
.forEach( c -> {
|
||||
// Avoid using the default RootLocator, as we want
|
||||
// a Spring Managed one
|
||||
if ( !ODataRootLocator.class.isAssignableFrom(c)) {
|
||||
register(c);
|
||||
}
|
||||
});
|
||||
|
||||
register(new CarsRootLocator(serviceFactory));
|
||||
register( new EntityManagerFilter(emf));
|
||||
}
|
||||
|
||||
/**
|
||||
* This filter handles the EntityManager transaction lifecycle.
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
@Provider
|
||||
public static class EntityManagerFilter implements ContainerRequestFilter, ContainerResponseFilter {
|
||||
|
||||
private static final Logger log = LoggerFactory.getLogger(EntityManagerFilter.class);
|
||||
public static final String EM_REQUEST_ATTRIBUTE = EntityManagerFilter.class.getName() + "_ENTITY_MANAGER";
|
||||
|
||||
private final EntityManagerFactory emf;
|
||||
|
||||
@Context
|
||||
private HttpServletRequest httpRequest;
|
||||
|
||||
public EntityManagerFilter(EntityManagerFactory emf) {
|
||||
this.emf = emf;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void filter(ContainerRequestContext ctx) throws IOException {
|
||||
log.info("[I60] >>> filter");
|
||||
EntityManager em = this.emf.createEntityManager();
|
||||
httpRequest.setAttribute(EM_REQUEST_ATTRIBUTE, em);
|
||||
|
||||
// Start a new transaction unless we have a simple GET
|
||||
if (!"GET".equalsIgnoreCase(ctx.getMethod())) {
|
||||
em.getTransaction()
|
||||
.begin();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext) throws IOException {
|
||||
|
||||
log.info("[I68] <<< filter");
|
||||
EntityManager em = (EntityManager) httpRequest.getAttribute(EM_REQUEST_ATTRIBUTE);
|
||||
|
||||
if (!"GET".equalsIgnoreCase(requestContext.getMethod())) {
|
||||
EntityTransaction t = em.getTransaction();
|
||||
if (t.isActive()) {
|
||||
if (!t.getRollbackOnly()) {
|
||||
t.commit();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
em.close();
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@Path("/")
|
||||
public static class CarsRootLocator extends ODataRootLocator {
|
||||
|
||||
private CarsODataJPAServiceFactory serviceFactory;
|
||||
|
||||
public CarsRootLocator(CarsODataJPAServiceFactory serviceFactory) {
|
||||
this.serviceFactory = serviceFactory;
|
||||
}
|
||||
|
||||
@Override
|
||||
public ODataServiceFactory getServiceFactory() {
|
||||
return this.serviceFactory;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,14 @@
|
||||
package org.baeldung.examples.olingo2;
|
||||
|
||||
import org.springframework.boot.SpringApplication;
|
||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||
import org.springframework.boot.builder.SpringApplicationBuilder;
|
||||
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
|
||||
|
||||
@SpringBootApplication
|
||||
public class Olingo2SampleApplication extends SpringBootServletInitializer {
|
||||
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(Olingo2SampleApplication.class);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,36 @@
|
||||
package org.baeldung.examples.olingo2.domain;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import javax.persistence.CascadeType;
|
||||
import javax.persistence.Column;
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.GenerationType;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.OneToMany;
|
||||
import javax.persistence.Table;
|
||||
import javax.validation.constraints.NotNull;
|
||||
|
||||
import lombok.Data;
|
||||
|
||||
@Entity
|
||||
@Data
|
||||
@Table(name="car_maker")
|
||||
public class CarMaker {
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy=GenerationType.IDENTITY)
|
||||
private Long id;
|
||||
|
||||
@NotNull
|
||||
@Column(name="name")
|
||||
private String name;
|
||||
|
||||
@OneToMany(mappedBy="maker",
|
||||
orphanRemoval = true,
|
||||
cascade=CascadeType.ALL)
|
||||
private List<CarModel> models;
|
||||
|
||||
|
||||
}
|
||||
@ -0,0 +1,38 @@
|
||||
package org.baeldung.examples.olingo2.domain;
|
||||
|
||||
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.FetchType;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.GenerationType;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.JoinColumn;
|
||||
import javax.persistence.ManyToOne;
|
||||
import javax.persistence.Table;
|
||||
import javax.validation.constraints.NotNull;
|
||||
|
||||
import lombok.Data;
|
||||
|
||||
@Entity
|
||||
@Data
|
||||
@Table(name="car_model")
|
||||
public class CarModel {
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy=GenerationType.AUTO)
|
||||
private Long id;
|
||||
|
||||
@NotNull
|
||||
private String name;
|
||||
|
||||
@NotNull
|
||||
private Integer year;
|
||||
|
||||
@NotNull
|
||||
private String sku;
|
||||
|
||||
@ManyToOne(optional=false, fetch= FetchType.LAZY)
|
||||
@JoinColumn(name="maker_fk")
|
||||
private CarMaker maker;
|
||||
|
||||
}
|
||||
12
apache-olingo/olingo2/src/main/resources/application.yml
Normal file
12
apache-olingo/olingo2/src/main/resources/application.yml
Normal file
@ -0,0 +1,12 @@
|
||||
server:
|
||||
port: 8180
|
||||
|
||||
spring:
|
||||
jersey:
|
||||
application-path: /odata
|
||||
|
||||
jpa:
|
||||
show-sql: true
|
||||
open-in-view: false
|
||||
hibernate:
|
||||
ddl-auto: update
|
||||
12
apache-olingo/olingo2/src/main/resources/data.sql
Normal file
12
apache-olingo/olingo2/src/main/resources/data.sql
Normal file
@ -0,0 +1,12 @@
|
||||
insert into car_maker(id,name) values (1,'Special Motors');
|
||||
insert into car_maker(id,name) values (2,'BWM');
|
||||
insert into car_maker(id,name) values (3,'Dolores');
|
||||
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(1,1,'Muze','SM001',2018);
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(2,1,'Empada','SM002',2008);
|
||||
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(4,2,'BWM-100','BWM100',2008);
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(5,2,'BWM-200','BWM200',2009);
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(6,2,'BWM-300','BWM300',2008);
|
||||
|
||||
alter sequence hibernate_sequence restart with 100;
|
||||
@ -1,4 +1,4 @@
|
||||
package com.baeldung.jsonexception;
|
||||
package org.baeldung.examples.olingo2;
|
||||
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
@ -7,10 +7,10 @@ import org.springframework.test.context.junit4.SpringRunner;
|
||||
|
||||
@RunWith(SpringRunner.class)
|
||||
@SpringBootTest
|
||||
public class SpringContextIntegrationTest {
|
||||
public class Olingo2SampleApplicationTests {
|
||||
|
||||
@Test
|
||||
public void contextLoads() {
|
||||
}
|
||||
@Test
|
||||
public void contextLoads() {
|
||||
}
|
||||
|
||||
}
|
||||
256
apache-olingo/olingo2/src/test/resources/olingo2-queries.json
Normal file
256
apache-olingo/olingo2/src/test/resources/olingo2-queries.json
Normal file
@ -0,0 +1,256 @@
|
||||
{
|
||||
"info": {
|
||||
"_postman_id": "afa8e1e5-ab0e-4f1d-8b99-b7d1f091f975",
|
||||
"name": "OLingo2 - Cars",
|
||||
"schema": "https://schema.getpostman.com/json/collection/v2.0.0/collection.json"
|
||||
},
|
||||
"item": [
|
||||
{
|
||||
"name": "GET Metadata",
|
||||
"request": {
|
||||
"method": "GET",
|
||||
"header": [],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": ""
|
||||
},
|
||||
"url": "http://localhost:8080/odata/$metadata"
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "GET All CarMakers",
|
||||
"request": {
|
||||
"method": "GET",
|
||||
"header": [],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": ""
|
||||
},
|
||||
"url": "http://localhost:8080/odata/CarMakers"
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "GET Makers with Pagination",
|
||||
"request": {
|
||||
"method": "GET",
|
||||
"header": [],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": ""
|
||||
},
|
||||
"url": {
|
||||
"raw": "http://localhost:8080/odata/CarMakers?$top=1&$orderby=Name&$skip=3",
|
||||
"protocol": "http",
|
||||
"host": [
|
||||
"localhost"
|
||||
],
|
||||
"port": "8080",
|
||||
"path": [
|
||||
"odata",
|
||||
"CarMakers"
|
||||
],
|
||||
"query": [
|
||||
{
|
||||
"key": "$top",
|
||||
"value": "1"
|
||||
},
|
||||
{
|
||||
"key": "$orderby",
|
||||
"value": "Name"
|
||||
},
|
||||
{
|
||||
"key": "$skip",
|
||||
"value": "3"
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "GET Makers and Models",
|
||||
"request": {
|
||||
"method": "GET",
|
||||
"header": [],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": ""
|
||||
},
|
||||
"url": {
|
||||
"raw": "http://localhost:8080/odata/CarMakers?$expand=CarModelDetails",
|
||||
"protocol": "http",
|
||||
"host": [
|
||||
"localhost"
|
||||
],
|
||||
"port": "8080",
|
||||
"path": [
|
||||
"odata",
|
||||
"CarMakers"
|
||||
],
|
||||
"query": [
|
||||
{
|
||||
"key": "$expand",
|
||||
"value": "CarModelDetails"
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "GET Makers with filter",
|
||||
"request": {
|
||||
"method": "GET",
|
||||
"header": [
|
||||
{
|
||||
"key": "Accept",
|
||||
"value": "application/json",
|
||||
"type": "text"
|
||||
}
|
||||
],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": ""
|
||||
},
|
||||
"url": {
|
||||
"raw": "http://localhost:8080/odata/CarMakers?$filter=Name eq 'BWM'&$expand=CarModelDetails",
|
||||
"protocol": "http",
|
||||
"host": [
|
||||
"localhost"
|
||||
],
|
||||
"port": "8080",
|
||||
"path": [
|
||||
"odata",
|
||||
"CarMakers"
|
||||
],
|
||||
"query": [
|
||||
{
|
||||
"key": "$filter",
|
||||
"value": "Name eq 'BWM'"
|
||||
},
|
||||
{
|
||||
"key": "$expand",
|
||||
"value": "CarModelDetails"
|
||||
}
|
||||
]
|
||||
}
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "Create CarMaker",
|
||||
"request": {
|
||||
"method": "POST",
|
||||
"header": [
|
||||
{
|
||||
"key": "Content-Type",
|
||||
"name": "Content-Type",
|
||||
"value": "application/atom+xml",
|
||||
"type": "text"
|
||||
},
|
||||
{
|
||||
"key": "Accept",
|
||||
"value": "application/atom+xml",
|
||||
"type": "text"
|
||||
}
|
||||
],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": "<?xml version=\"1.0\" encoding=\"utf-8\" ?> \r\n<entry xmlns:d=\"http://schemas.microsoft.com/ado/2007/08/dataservices\"\r\n xmlns:m=\"http://schemas.microsoft.com/ado/2007/08/dataservices/metadata\" \r\n xmlns=\"http://www.w3.org/2005/Atom\">\r\n <title type=\"text\"></title> \r\n <updated>2019-04-02T21:36:47Z</updated>\r\n <author> \r\n <name /> \r\n </author> \r\n <category term=\"default.CarMaker\"\r\n scheme=\"http://schemas.microsoft.com/ado/2007/08/dataservices/scheme\" /> \r\n <content type=\"application/xml\"> \r\n <m:properties>\r\n <d:Name>Lucien</d:Name>\r\n </m:properties> \r\n </content> \r\n</entry>"
|
||||
},
|
||||
"url": "http://localhost:8080/odata/CarMakers"
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "Create CarModel",
|
||||
"request": {
|
||||
"method": "POST",
|
||||
"header": [
|
||||
{
|
||||
"key": "Content-Type",
|
||||
"name": "Content-Type",
|
||||
"type": "text",
|
||||
"value": "application/atom+xml"
|
||||
},
|
||||
{
|
||||
"key": "Accept",
|
||||
"type": "text",
|
||||
"value": "application/atom+xml"
|
||||
}
|
||||
],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": "<?xml version=\"1.0\" encoding=\"utf-8\" ?> \r\n<entry xmlns:d=\"http://schemas.microsoft.com/ado/2007/08/dataservices\"\r\n xmlns:m=\"http://schemas.microsoft.com/ado/2007/08/dataservices/metadata\" \r\n xmlns=\"http://www.w3.org/2005/Atom\">\r\n <title type=\"text\"></title> \r\n <updated>2019-04-02T21:36:47Z</updated>\r\n <author> \r\n <name /> \r\n </author> \r\n <link href=\"CarModels(1L)/CarMakerDetails\" \r\n rel=\"http://schemas.microsoft.com/ado/2007/08/dataservices/related/CarMakerDetails\" \r\n title=\"CarMakerDetails\" \r\n type=\"application/atom+xml;type=entry\"></link> \r\n <category term=\"default.CarModel\"\r\n scheme=\"http://schemas.microsoft.com/ado/2007/08/dataservices/scheme\" /> \r\n <content type=\"application/xml\"> \r\n <m:properties>\r\n\t <d:Name>Tata</d:Name>\r\n\t <d:Sku>TT101</d:Sku>\r\n\t <d:Year>2018</d:Year>\r\n </m:properties> \r\n </content> \r\n</entry>"
|
||||
},
|
||||
"url": "http://localhost:8080/odata/CarModels"
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "Update CarMaker",
|
||||
"request": {
|
||||
"method": "PUT",
|
||||
"header": [
|
||||
{
|
||||
"key": "Content-Type",
|
||||
"name": "Content-Type",
|
||||
"type": "text",
|
||||
"value": "application/atom+xml"
|
||||
},
|
||||
{
|
||||
"key": "Accept",
|
||||
"type": "text",
|
||||
"value": "application/atom+xml"
|
||||
}
|
||||
],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": "<?xml version=\"1.0\" encoding=\"utf-8\" ?> \r\n<entry xmlns:d=\"http://schemas.microsoft.com/ado/2007/08/dataservices\"\r\n xmlns:m=\"http://schemas.microsoft.com/ado/2007/08/dataservices/metadata\" \r\n xmlns=\"http://www.w3.org/2005/Atom\">\r\n <title type=\"text\"></title> \r\n <updated>2019-04-02T21:36:47Z</updated>\r\n <author> \r\n <name /> \r\n </author> \r\n <category term=\"default.CarMaker\"\r\n scheme=\"http://schemas.microsoft.com/ado/2007/08/dataservices/scheme\" /> \r\n <content type=\"application/xml\"> \r\n <m:properties>\r\n <d:Id>5</d:Id>\r\n <d:Name>KaiserWagen</d:Name>\r\n </m:properties> \r\n </content> \r\n</entry>"
|
||||
},
|
||||
"url": "http://localhost:8080/odata/CarMakers(5L)"
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "All CarModels",
|
||||
"request": {
|
||||
"method": "GET",
|
||||
"header": [],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": ""
|
||||
},
|
||||
"url": "http://localhost:8080/odata/CarModels"
|
||||
},
|
||||
"response": []
|
||||
},
|
||||
{
|
||||
"name": "Delete CarModel",
|
||||
"request": {
|
||||
"method": "DELETE",
|
||||
"header": [
|
||||
{
|
||||
"key": "Content-Type",
|
||||
"name": "Content-Type",
|
||||
"type": "text",
|
||||
"value": "application/atom+xml"
|
||||
},
|
||||
{
|
||||
"key": "Accept",
|
||||
"type": "text",
|
||||
"value": "application/atom+xml"
|
||||
}
|
||||
],
|
||||
"body": {
|
||||
"mode": "raw",
|
||||
"raw": ""
|
||||
},
|
||||
"url": "http://localhost:8080/odata/CarModels(100L)"
|
||||
},
|
||||
"response": []
|
||||
}
|
||||
]
|
||||
}
|
||||
29
apache-olingo/olingo4/.gitignore
vendored
Normal file
29
apache-olingo/olingo4/.gitignore
vendored
Normal file
@ -0,0 +1,29 @@
|
||||
HELP.md
|
||||
/target/
|
||||
!.mvn/wrapper/maven-wrapper.jar
|
||||
|
||||
### STS ###
|
||||
.apt_generated
|
||||
.classpath
|
||||
.factorypath
|
||||
.project
|
||||
.settings
|
||||
.springBeans
|
||||
.sts4-cache
|
||||
|
||||
### IntelliJ IDEA ###
|
||||
.idea
|
||||
*.iws
|
||||
*.iml
|
||||
*.ipr
|
||||
|
||||
### NetBeans ###
|
||||
/nbproject/private/
|
||||
/nbbuild/
|
||||
/dist/
|
||||
/nbdist/
|
||||
/.nb-gradle/
|
||||
/build/
|
||||
|
||||
### VS Code ###
|
||||
.vscode/
|
||||
95
apache-olingo/olingo4/pom.xml
Normal file
95
apache-olingo/olingo4/pom.xml
Normal file
@ -0,0 +1,95 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<parent>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-parent</artifactId>
|
||||
<version>2.1.3.RELEASE</version>
|
||||
<relativePath /> <!-- lookup parent from repository -->
|
||||
</parent>
|
||||
<groupId>org.baeldung.examples.olingo4</groupId>
|
||||
<artifactId>olingo4-sample</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<name>olingo4-sample</name>
|
||||
<description>Sample Olingo 4 Project</description>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
<odata.version>4.5.0</odata.version>
|
||||
</properties>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-data-jpa</artifactId>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-configuration-processor</artifactId>
|
||||
<optional>true</optional>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>com.h2database</groupId>
|
||||
<artifactId>h2</artifactId>
|
||||
<scope>runtime</scope>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.projectlombok</groupId>
|
||||
<artifactId>lombok</artifactId>
|
||||
<optional>true</optional>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-test</artifactId>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-web</artifactId>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>odata-server-api</artifactId>
|
||||
<version>${odata.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>odata-server-core</artifactId>
|
||||
<version>${odata.version}</version>
|
||||
<scope>runtime</scope>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>odata-commons-api</artifactId>
|
||||
<version>${odata.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.olingo</groupId>
|
||||
<artifactId>odata-commons-core</artifactId>
|
||||
<version>${odata.version}</version>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>commons-beanutils</groupId>
|
||||
<artifactId>commons-beanutils</artifactId>
|
||||
<version>1.9.3</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-maven-plugin</artifactId>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
</project>
|
||||
@ -0,0 +1,20 @@
|
||||
package org.baeldung.examples.olingo4;
|
||||
|
||||
import org.apache.olingo.server.api.OData;
|
||||
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
/**
|
||||
* Default implementation for ODataFactory
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
@Component
|
||||
public class DefaultODataFactory implements ODataFactory {
|
||||
|
||||
@Override
|
||||
public OData newInstance() {
|
||||
return OData.newInstance();
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,8 @@
|
||||
package org.baeldung.examples.olingo4;
|
||||
|
||||
import org.apache.olingo.server.api.OData;
|
||||
|
||||
public interface ODataFactory {
|
||||
|
||||
public OData newInstance();
|
||||
}
|
||||
@ -0,0 +1,8 @@
|
||||
package org.baeldung.examples.olingo4;
|
||||
|
||||
import org.apache.olingo.server.api.ODataHttpHandler;
|
||||
|
||||
public interface ODataHttpHandlerFactory {
|
||||
|
||||
ODataHttpHandler newInstance();
|
||||
}
|
||||
@ -0,0 +1,42 @@
|
||||
package org.baeldung.examples.olingo4;
|
||||
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlEdmProvider;
|
||||
import org.apache.olingo.server.api.OData;
|
||||
import org.apache.olingo.server.api.ODataHttpHandler;
|
||||
import org.apache.olingo.server.api.ServiceMetadata;
|
||||
import org.apache.olingo.server.api.processor.Processor;
|
||||
|
||||
import lombok.Builder;
|
||||
|
||||
@Builder
|
||||
public class ODataHttpHandlerFactoryImpl implements ODataHttpHandlerFactory {
|
||||
|
||||
|
||||
private final ODataFactory odataFactory;
|
||||
private final CsdlEdmProvider edmProvider;
|
||||
private final List<Processor> processors;
|
||||
|
||||
public ODataHttpHandlerFactoryImpl(ODataFactory odataFactory,CsdlEdmProvider edmProvider, List<Processor> processors) {
|
||||
this.odataFactory = odataFactory;
|
||||
this.edmProvider = edmProvider;
|
||||
this.processors = processors;
|
||||
}
|
||||
|
||||
@Override
|
||||
public ODataHttpHandler newInstance() {
|
||||
|
||||
OData odata = odataFactory.newInstance();
|
||||
ServiceMetadata metadata = odata.createServiceMetadata(edmProvider, Collections.emptyList());
|
||||
ODataHttpHandler handler = odata.createHandler(metadata);
|
||||
|
||||
// Register all available processors
|
||||
processors.forEach(p -> handler.register(p));
|
||||
|
||||
|
||||
return handler;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,35 @@
|
||||
package org.baeldung.examples.olingo4;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.servlet.http.HttpServlet;
|
||||
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlEdmProvider;
|
||||
import org.apache.olingo.server.api.processor.Processor;
|
||||
import org.baeldung.examples.olingo4.ODataHttpHandlerFactoryImpl.ODataHttpHandlerFactoryImplBuilder;
|
||||
import org.springframework.boot.web.servlet.ServletRegistrationBean;
|
||||
import org.springframework.context.annotation.Bean;
|
||||
import org.springframework.context.annotation.Configuration;
|
||||
|
||||
@Configuration
|
||||
public class ODataServiceConfiguration {
|
||||
|
||||
@Bean
|
||||
public ServletRegistrationBean<HttpServlet> odataServletRegistration(ODataHttpHandlerFactory factory) {
|
||||
ServletRegistrationBean<HttpServlet> srb =
|
||||
new ServletRegistrationBean<>(new ODataServlet(factory), "/odata/*");
|
||||
srb.setLoadOnStartup(1);
|
||||
return srb;
|
||||
}
|
||||
|
||||
@Bean
|
||||
public ODataHttpHandlerFactory httpHandlerFactory(CsdlEdmProvider edmProvider, ODataFactory odataFactory, List<Processor> processors) {
|
||||
return new ODataHttpHandlerFactoryImplBuilder()
|
||||
.edmProvider(edmProvider)
|
||||
.odataFactory(odataFactory)
|
||||
.processors(processors)
|
||||
.build();
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,38 @@
|
||||
/**
|
||||
*
|
||||
*/
|
||||
package org.baeldung.examples.olingo4;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import javax.persistence.EntityManager;
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.EntityTransaction;
|
||||
import javax.servlet.ServletException;
|
||||
import javax.servlet.http.HttpServlet;
|
||||
import javax.servlet.http.HttpServletRequest;
|
||||
import javax.servlet.http.HttpServletResponse;
|
||||
|
||||
import org.apache.olingo.server.api.ODataHttpHandler;
|
||||
|
||||
/**
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
public class ODataServlet extends HttpServlet {
|
||||
|
||||
private static final long serialVersionUID = 1L;
|
||||
private final ODataHttpHandlerFactory odataHttpHandlerFactory;
|
||||
|
||||
|
||||
public ODataServlet(ODataHttpHandlerFactory factory) {
|
||||
this.odataHttpHandlerFactory = factory;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
|
||||
|
||||
ODataHttpHandler handler = odataHttpHandlerFactory.newInstance();
|
||||
handler.process(req, resp);
|
||||
}
|
||||
}
|
||||
@ -1,13 +1,13 @@
|
||||
package com.baeldung.jsonexception;
|
||||
package org.baeldung.examples.olingo4;
|
||||
|
||||
import org.springframework.boot.SpringApplication;
|
||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||
|
||||
@SpringBootApplication
|
||||
public class JsonErrorApplication {
|
||||
public class Olingo4SampleApplication {
|
||||
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(JsonErrorApplication.class, args);
|
||||
SpringApplication.run(Olingo4SampleApplication.class, args);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,36 @@
|
||||
package org.baeldung.examples.olingo4.domain;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import javax.persistence.CascadeType;
|
||||
import javax.persistence.Column;
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.GenerationType;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.OneToMany;
|
||||
import javax.persistence.Table;
|
||||
import javax.validation.constraints.NotNull;
|
||||
|
||||
import lombok.Data;
|
||||
|
||||
@Entity
|
||||
@Data
|
||||
@Table(name="car_maker")
|
||||
public class CarMaker {
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy=GenerationType.IDENTITY)
|
||||
private Long id;
|
||||
|
||||
@NotNull
|
||||
@Column(name="name")
|
||||
private String name;
|
||||
|
||||
@OneToMany(mappedBy="maker",
|
||||
orphanRemoval = true,
|
||||
cascade=CascadeType.ALL)
|
||||
private List<CarModel> models;
|
||||
|
||||
|
||||
}
|
||||
@ -0,0 +1,38 @@
|
||||
package org.baeldung.examples.olingo4.domain;
|
||||
|
||||
|
||||
import javax.persistence.Entity;
|
||||
import javax.persistence.FetchType;
|
||||
import javax.persistence.GeneratedValue;
|
||||
import javax.persistence.GenerationType;
|
||||
import javax.persistence.Id;
|
||||
import javax.persistence.JoinColumn;
|
||||
import javax.persistence.ManyToOne;
|
||||
import javax.persistence.Table;
|
||||
import javax.validation.constraints.NotNull;
|
||||
|
||||
import lombok.Data;
|
||||
|
||||
@Entity
|
||||
@Data
|
||||
@Table(name="car_model")
|
||||
public class CarModel {
|
||||
|
||||
@Id
|
||||
@GeneratedValue(strategy=GenerationType.AUTO)
|
||||
private Long id;
|
||||
|
||||
@NotNull
|
||||
private String name;
|
||||
|
||||
@NotNull
|
||||
private Integer year;
|
||||
|
||||
@NotNull
|
||||
private String sku;
|
||||
|
||||
@ManyToOne(optional=false, fetch= FetchType.EAGER )
|
||||
@JoinColumn(name="maker_fk")
|
||||
private CarMaker maker;
|
||||
|
||||
}
|
||||
@ -0,0 +1,46 @@
|
||||
package org.baeldung.examples.olingo4.edm;
|
||||
|
||||
import java.util.Collections;
|
||||
import java.util.Date;
|
||||
import java.util.Map;
|
||||
import java.util.UUID;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
import java.sql.Time;
|
||||
import java.util.AbstractMap.SimpleEntry;
|
||||
|
||||
import org.apache.olingo.commons.api.edm.EdmPrimitiveTypeKind;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
@Component
|
||||
public class EdmTypeMapper {
|
||||
|
||||
public EdmPrimitiveTypeKind java2edm(Class<?> clazz) {
|
||||
EdmPrimitiveTypeKind result = java2edm.get(clazz);
|
||||
if ( result == null ) {
|
||||
throw new IllegalArgumentException("[E19] Unsupported class mapping: class=" + clazz);
|
||||
}
|
||||
else {
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
// Static map used generate attribute metadada based on Java types
|
||||
static Map<Class<?>,EdmPrimitiveTypeKind> java2edm = Collections
|
||||
.unmodifiableMap(Stream.of(
|
||||
new SimpleEntry<>(Boolean.class,EdmPrimitiveTypeKind.Boolean),
|
||||
new SimpleEntry<>(Byte.class,EdmPrimitiveTypeKind.SByte),
|
||||
new SimpleEntry<>(Date.class,EdmPrimitiveTypeKind.Date),
|
||||
new SimpleEntry<>(Time.class,EdmPrimitiveTypeKind.TimeOfDay),
|
||||
new SimpleEntry<>(Number.class,EdmPrimitiveTypeKind.Decimal),
|
||||
new SimpleEntry<>(Float.class,EdmPrimitiveTypeKind.Single),
|
||||
new SimpleEntry<>(Double.class,EdmPrimitiveTypeKind.Double),
|
||||
new SimpleEntry<>(UUID.class,EdmPrimitiveTypeKind.Guid),
|
||||
new SimpleEntry<>(Short.class,EdmPrimitiveTypeKind.Int16),
|
||||
new SimpleEntry<>(Integer.class,EdmPrimitiveTypeKind.Int32),
|
||||
new SimpleEntry<>(Long.class,EdmPrimitiveTypeKind.Int64),
|
||||
new SimpleEntry<>(String.class,EdmPrimitiveTypeKind.String)
|
||||
|
||||
).collect(Collectors.toMap((e)-> e.getKey(),(e)-> e.getValue())));
|
||||
|
||||
}
|
||||
@ -0,0 +1,269 @@
|
||||
package org.baeldung.examples.olingo4.edm;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.metamodel.Attribute.PersistentAttributeType;
|
||||
import javax.persistence.metamodel.EntityType;
|
||||
import javax.persistence.metamodel.Metamodel;
|
||||
import javax.persistence.metamodel.PluralAttribute;
|
||||
import javax.persistence.metamodel.SingularAttribute;
|
||||
|
||||
import org.apache.olingo.commons.api.edm.FullQualifiedName;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainer;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlEntityContainerInfo;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlEntitySet;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlEntityType;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlNavigationProperty;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlProperty;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlPropertyRef;
|
||||
import org.apache.olingo.commons.api.edm.provider.CsdlSchema;
|
||||
import org.apache.olingo.commons.api.ex.ODataException;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
@Component
|
||||
public class JpaEdmProvider extends CsdlAbstractEdmProvider {
|
||||
|
||||
EntityManagerFactory emf;
|
||||
|
||||
//
|
||||
private EdmTypeMapper typeMapper;
|
||||
|
||||
// Service Namespace
|
||||
public static final String NAMESPACE = "Baeldung.OData";
|
||||
|
||||
// EDM Container
|
||||
public static final String CONTAINER_NAME = "Cars";
|
||||
public static final FullQualifiedName CONTAINER = new FullQualifiedName(NAMESPACE, CONTAINER_NAME);
|
||||
|
||||
// Caches of OData types by it fully qualified name
|
||||
private Map<FullQualifiedName, CsdlEntityType> cdslName2Type = new HashMap<>();
|
||||
|
||||
public JpaEdmProvider(EntityManagerFactory emf, EdmTypeMapper mapper) {
|
||||
this.emf = emf;
|
||||
this.typeMapper = mapper;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider#getEntitySet(org.apache.olingo.commons.api.edm.FullQualifiedName, java.lang.String)
|
||||
*/
|
||||
@Override
|
||||
public CsdlEntitySet getEntitySet(FullQualifiedName entityContainer, String entitySetName) throws ODataException {
|
||||
|
||||
if (entityContainer.equals(CONTAINER)) {
|
||||
|
||||
EntityType<?> e = emf.getMetamodel()
|
||||
.getEntities()
|
||||
.stream()
|
||||
.filter((ent) -> (ent.getName() + "s")
|
||||
.equals(entitySetName))
|
||||
.findFirst()
|
||||
.orElse(null);
|
||||
|
||||
if (e != null) {
|
||||
CsdlEntitySet entitySet = new CsdlEntitySet();
|
||||
entitySet
|
||||
.setName(entitySetName)
|
||||
.setType(new FullQualifiedName(NAMESPACE, e.getName()));
|
||||
return entitySet;
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider#getEntityContainerInfo(org.apache.olingo.commons.api.edm.FullQualifiedName)
|
||||
*/
|
||||
@Override
|
||||
public CsdlEntityContainerInfo getEntityContainerInfo(FullQualifiedName entityContainerName) throws ODataException {
|
||||
|
||||
// This method is invoked when displaying the Service Document at e.g. http://localhost:8080/DemoService/DemoService.svc
|
||||
if (entityContainerName == null || entityContainerName.equals(CONTAINER)) {
|
||||
CsdlEntityContainerInfo entityContainerInfo = new CsdlEntityContainerInfo();
|
||||
entityContainerInfo.setContainerName(CONTAINER);
|
||||
return entityContainerInfo;
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider#getSchemas()
|
||||
*/
|
||||
@Override
|
||||
public List<CsdlSchema> getSchemas() throws ODataException {
|
||||
// create Schema
|
||||
CsdlSchema schema = new CsdlSchema();
|
||||
schema.setNamespace(NAMESPACE);
|
||||
|
||||
// add EntityTypes
|
||||
List<CsdlEntityType> entityTypes = emf.getMetamodel()
|
||||
.getEntities()
|
||||
.stream()
|
||||
.map((e) -> {
|
||||
try {
|
||||
return getEntityType(new FullQualifiedName(NAMESPACE, e.getName()));
|
||||
} catch (ODataException oe) {
|
||||
throw new RuntimeException(oe);
|
||||
}
|
||||
})
|
||||
.collect(Collectors.toList());
|
||||
|
||||
schema.setEntityTypes(entityTypes);
|
||||
|
||||
// add EntityContainer
|
||||
schema.setEntityContainer(getEntityContainer());
|
||||
|
||||
// finally
|
||||
List<CsdlSchema> schemas = new ArrayList<CsdlSchema>();
|
||||
schemas.add(schema);
|
||||
|
||||
return schemas;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.commons.api.edm.provider.CsdlAbstractEdmProvider#getEntityContainer()
|
||||
*/
|
||||
@Override
|
||||
public CsdlEntityContainer getEntityContainer() throws ODataException {
|
||||
|
||||
|
||||
// add EntityTypes
|
||||
List<CsdlEntitySet> entitySets = emf.getMetamodel()
|
||||
.getEntities()
|
||||
.stream()
|
||||
.map((e) -> {
|
||||
try {
|
||||
// Here we use a simple mapping strategy to map entity types to entity set names:
|
||||
return getEntitySet(CONTAINER, e.getName() + "s");
|
||||
} catch (ODataException oe) {
|
||||
throw new RuntimeException(oe);
|
||||
}
|
||||
})
|
||||
.collect(Collectors.toList());
|
||||
|
||||
// create EntityContainer
|
||||
CsdlEntityContainer entityContainer = new CsdlEntityContainer();
|
||||
entityContainer.setName(CONTAINER_NAME);
|
||||
entityContainer.setEntitySets(entitySets);
|
||||
|
||||
return entityContainer;
|
||||
}
|
||||
|
||||
@Override
|
||||
public CsdlEntityType getEntityType(FullQualifiedName entityTypeName) throws ODataException {
|
||||
|
||||
CsdlEntityType result = cdslName2Type.get(entityTypeName);
|
||||
if ( result != null ) {
|
||||
return result;
|
||||
}
|
||||
|
||||
Metamodel mm = emf.getMetamodel();
|
||||
result = mm.getEntities()
|
||||
.stream()
|
||||
.filter(et -> entityTypeName.equals(new FullQualifiedName(NAMESPACE, et.getName())))
|
||||
.map(et -> buildODataType(et))
|
||||
.findFirst()
|
||||
.orElse(null);
|
||||
|
||||
// save for future use
|
||||
cdslName2Type.put(entityTypeName, result);
|
||||
return result;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Maps a JPA type to its OData counterpart.
|
||||
* @param et
|
||||
* @return
|
||||
*/
|
||||
protected CsdlEntityType buildODataType(EntityType<?> et) {
|
||||
|
||||
CsdlEntityType result = new CsdlEntityType();
|
||||
result.setName(et.getName());
|
||||
|
||||
// Process simple properties
|
||||
List<CsdlProperty> properties = et.getDeclaredSingularAttributes()
|
||||
.stream()
|
||||
.filter(attr -> attr.getPersistentAttributeType() == PersistentAttributeType.BASIC)
|
||||
.map(attr -> buildBasicAttribute(et, attr))
|
||||
.collect(Collectors.toList());
|
||||
|
||||
result.setProperties(properties);
|
||||
|
||||
// Process Ids
|
||||
List<CsdlPropertyRef> ids = et.getDeclaredSingularAttributes()
|
||||
.stream()
|
||||
.filter(attr -> attr.getPersistentAttributeType() == PersistentAttributeType.BASIC && attr.isId())
|
||||
.map(attr -> buildRefAttribute(et, attr))
|
||||
.collect(Collectors.toList());
|
||||
|
||||
result.setKey(ids);
|
||||
|
||||
// Process 1:N navs
|
||||
List<CsdlNavigationProperty> navs = et.getDeclaredPluralAttributes()
|
||||
.stream()
|
||||
.map(attr -> buildNavAttribute(et, attr))
|
||||
.collect(Collectors.toList());
|
||||
result.setNavigationProperties(navs);
|
||||
|
||||
// Process N:1 navs
|
||||
List<CsdlNavigationProperty> navs2 = et.getDeclaredSingularAttributes()
|
||||
.stream()
|
||||
.filter(attr -> attr.getPersistentAttributeType() == PersistentAttributeType.MANY_TO_ONE)
|
||||
.map(attr -> buildNavAttribute(et, attr))
|
||||
.collect(Collectors.toList());
|
||||
|
||||
result.getNavigationProperties().addAll(navs2);
|
||||
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private CsdlProperty buildBasicAttribute(EntityType<?> et, SingularAttribute<?, ?> attr) {
|
||||
|
||||
CsdlProperty p = new CsdlProperty().setName(attr.getName())
|
||||
.setType(typeMapper.java2edm(attr.getJavaType())
|
||||
.getFullQualifiedName())
|
||||
.setNullable(et.getDeclaredSingularAttribute(attr.getName())
|
||||
.isOptional());
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
private CsdlPropertyRef buildRefAttribute(EntityType<?> et, SingularAttribute<?, ?> attr) {
|
||||
|
||||
CsdlPropertyRef p = new CsdlPropertyRef().setName(attr.getName());
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
// Build NavProperty for 1:N or M:N associations
|
||||
private CsdlNavigationProperty buildNavAttribute(EntityType<?> et, PluralAttribute<?, ?, ?> attr) {
|
||||
|
||||
CsdlNavigationProperty p = new CsdlNavigationProperty().setName(attr.getName())
|
||||
.setType(new FullQualifiedName(NAMESPACE, attr.getBindableJavaType().getSimpleName()))
|
||||
.setCollection(true)
|
||||
.setNullable(false);
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
// Build NavProperty for N:1 associations
|
||||
private CsdlNavigationProperty buildNavAttribute(EntityType<?> et, SingularAttribute<?, ?> attr) {
|
||||
|
||||
CsdlNavigationProperty p = new CsdlNavigationProperty().setName(attr.getName())
|
||||
.setType(new FullQualifiedName(NAMESPACE, attr.getBindableJavaType().getSimpleName()))
|
||||
.setCollection(false)
|
||||
.setNullable(attr.isOptional());
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,161 @@
|
||||
package org.baeldung.examples.olingo4.processor;
|
||||
|
||||
import java.io.ByteArrayInputStream;
|
||||
import java.io.InputStream;
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.net.URI;
|
||||
import java.net.URISyntaxException;
|
||||
import java.util.Collection;
|
||||
import java.util.List;
|
||||
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.metamodel.EntityType;
|
||||
import javax.persistence.metamodel.SingularAttribute;
|
||||
|
||||
import org.apache.commons.beanutils.PropertyUtils;
|
||||
import org.apache.olingo.commons.api.data.ContextURL;
|
||||
import org.apache.olingo.commons.api.data.Entity;
|
||||
import org.apache.olingo.commons.api.data.EntityCollection;
|
||||
import org.apache.olingo.commons.api.data.Property;
|
||||
import org.apache.olingo.commons.api.data.ValueType;
|
||||
import org.apache.olingo.commons.api.edm.EdmEntitySet;
|
||||
import org.apache.olingo.commons.api.edm.EdmEntityType;
|
||||
import org.apache.olingo.commons.api.edm.EdmNavigationProperty;
|
||||
import org.apache.olingo.commons.api.ex.ODataRuntimeException;
|
||||
import org.apache.olingo.commons.api.format.ContentType;
|
||||
import org.apache.olingo.commons.api.http.HttpHeader;
|
||||
import org.apache.olingo.commons.api.http.HttpStatusCode;
|
||||
import org.apache.olingo.server.api.OData;
|
||||
import org.apache.olingo.server.api.ODataApplicationException;
|
||||
import org.apache.olingo.server.api.ODataLibraryException;
|
||||
import org.apache.olingo.server.api.ODataRequest;
|
||||
import org.apache.olingo.server.api.ODataResponse;
|
||||
import org.apache.olingo.server.api.ServiceMetadata;
|
||||
import org.apache.olingo.server.api.processor.CountEntityCollectionProcessor;
|
||||
import org.apache.olingo.server.api.processor.EntityCollectionProcessor;
|
||||
import org.apache.olingo.server.api.serializer.EntityCollectionSerializerOptions;
|
||||
import org.apache.olingo.server.api.serializer.ODataSerializer;
|
||||
import org.apache.olingo.server.api.serializer.SerializerResult;
|
||||
import org.apache.olingo.server.api.uri.UriInfo;
|
||||
import org.apache.olingo.server.api.uri.UriParameter;
|
||||
import org.apache.olingo.server.api.uri.UriResource;
|
||||
import org.apache.olingo.server.api.uri.UriResourceEntitySet;
|
||||
import org.baeldung.examples.olingo4.repository.RepositoryRegistry;
|
||||
import org.springframework.data.jpa.repository.JpaRepository;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
@Component
|
||||
public class JpaEntityCollectionProcessor implements CountEntityCollectionProcessor {
|
||||
|
||||
private OData odata;
|
||||
private ServiceMetadata serviceMetadata;
|
||||
private EntityManagerFactory emf;
|
||||
private RepositoryRegistry repositoryRegistry;
|
||||
private JpaEntityMapper entityMapper;
|
||||
|
||||
public JpaEntityCollectionProcessor(EntityManagerFactory emf, RepositoryRegistry repositoryRegistry, JpaEntityMapper entityMapper) {
|
||||
this.emf = emf;
|
||||
this.repositoryRegistry = repositoryRegistry;
|
||||
this.entityMapper = entityMapper;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void init(OData odata, ServiceMetadata serviceMetadata) {
|
||||
this.odata = odata;
|
||||
this.serviceMetadata = serviceMetadata;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
|
||||
|
||||
// 1st we have retrieve the requested EntitySet from the uriInfo object (representation of the parsed service URI)
|
||||
List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
|
||||
UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); // in our example, the first segment is the EntitySet
|
||||
EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
|
||||
|
||||
// 2nd: fetch the data from backend for this requested EntitySetName
|
||||
// it has to be delivered as EntitySet object
|
||||
EntityCollection entitySet = getData(edmEntitySet, uriInfo);
|
||||
|
||||
// 3rd: create a serializer based on the requested format (json)
|
||||
ODataSerializer serializer = odata.createSerializer(responseFormat);
|
||||
|
||||
// 4th: Now serialize the content: transform from the EntitySet object to InputStream
|
||||
EdmEntityType edmEntityType = edmEntitySet.getEntityType();
|
||||
ContextURL contextUrl = ContextURL.with()
|
||||
.entitySet(edmEntitySet)
|
||||
.build();
|
||||
|
||||
final String id = request.getRawBaseUri() + "/" + edmEntitySet.getName();
|
||||
EntityCollectionSerializerOptions opts = EntityCollectionSerializerOptions.with()
|
||||
.id(id)
|
||||
.contextURL(contextUrl)
|
||||
.build();
|
||||
SerializerResult serializerResult = serializer.entityCollection(serviceMetadata, edmEntityType, entitySet, opts);
|
||||
InputStream serializedContent = serializerResult.getContent();
|
||||
|
||||
// Finally: configure the response object: set the body, headers and status code
|
||||
response.setContent(serializedContent);
|
||||
response.setStatusCode(HttpStatusCode.OK.getStatusCode());
|
||||
response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void countEntityCollection(ODataRequest request, ODataResponse response, UriInfo uriInfo) throws ODataApplicationException, ODataLibraryException {
|
||||
|
||||
// 1st we have retrieve the requested EntitySet from the uriInfo object (representation of the parsed service URI)
|
||||
List<UriResource> resourcePaths = uriInfo.getUriResourceParts();
|
||||
UriResourceEntitySet uriResourceEntitySet = (UriResourceEntitySet) resourcePaths.get(0); // in our example, the first segment is the EntitySet
|
||||
EdmEntitySet edmEntitySet = uriResourceEntitySet.getEntitySet();
|
||||
|
||||
// 2nd: fetch the data from backend for this requested EntitySetName
|
||||
Long count = getCount(edmEntitySet, uriInfo);
|
||||
|
||||
// Finally: configure the response object: set the body, headers and status code
|
||||
response.setContent(new ByteArrayInputStream(count.toString().getBytes()));
|
||||
response.setStatusCode(HttpStatusCode.OK.getStatusCode());
|
||||
response.setHeader(HttpHeader.CONTENT_TYPE, "text/plain");
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper method to retrieve all entities of an entity set from an the backend database
|
||||
* @param edmEntitySet
|
||||
* @param uriInfo
|
||||
* @return
|
||||
*/
|
||||
protected EntityCollection getData(EdmEntitySet edmEntitySet, UriInfo uriInfo) {
|
||||
|
||||
EdmEntityType type = edmEntitySet.getEntityType();
|
||||
JpaRepository<?, ?> repo = (JpaRepository<?, ?>)repositoryRegistry.getRepositoryForEntity(type);
|
||||
EntityCollection result = new EntityCollection();
|
||||
|
||||
repo.findAll()
|
||||
.stream()
|
||||
.forEach((it) -> result.getEntities()
|
||||
.add(entityMapper.map2entity(edmEntitySet, it)));
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Helper method to get the total size of an entity set
|
||||
* @param edmEntitySet
|
||||
* @param uriInfo
|
||||
* @return
|
||||
*/
|
||||
protected Long getCount(EdmEntitySet edmEntitySet, UriInfo uriInfo) {
|
||||
|
||||
EdmEntityType type = edmEntitySet.getEntityType();
|
||||
JpaRepository<?, ?> repo = (JpaRepository<?, ?>)repositoryRegistry.getRepositoryForEntity(type);
|
||||
EntityCollection result = new EntityCollection();
|
||||
|
||||
return repo.count();
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
@ -0,0 +1,93 @@
|
||||
/**
|
||||
*
|
||||
*/
|
||||
package org.baeldung.examples.olingo4.processor;
|
||||
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
import java.net.URI;
|
||||
import java.net.URISyntaxException;
|
||||
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.metamodel.EntityType;
|
||||
|
||||
import org.apache.commons.beanutils.PropertyUtils;
|
||||
import org.apache.olingo.commons.api.data.Entity;
|
||||
import org.apache.olingo.commons.api.data.Property;
|
||||
import org.apache.olingo.commons.api.data.ValueType;
|
||||
import org.apache.olingo.commons.api.edm.EdmEntitySet;
|
||||
import org.apache.olingo.commons.api.ex.ODataRuntimeException;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
/**
|
||||
* <p>Helper class that converts a JPA entity into an OData entity using
|
||||
* available metadata from the JPA's EntityManagerFactory.</p>
|
||||
*
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
@Component
|
||||
public class JpaEntityMapper {
|
||||
|
||||
private EntityManagerFactory emf;
|
||||
|
||||
public JpaEntityMapper(EntityManagerFactory emf) {
|
||||
this.emf = emf;
|
||||
}
|
||||
|
||||
|
||||
public Entity map2entity(EdmEntitySet edmEntitySet, Object entry) {
|
||||
|
||||
EntityType<?> et = emf.getMetamodel()
|
||||
.entity(entry.getClass());
|
||||
|
||||
|
||||
Entity e = new Entity();
|
||||
try {
|
||||
et.getDeclaredSingularAttributes().stream()
|
||||
.forEach( (attr) -> {
|
||||
if ( !attr.isAssociation()) {
|
||||
Object v = getPropertyValue(entry,attr.getName());
|
||||
Property p = new Property(null, attr.getName(),ValueType.PRIMITIVE,v);
|
||||
e.addProperty(p);
|
||||
|
||||
if ( attr.isId()) {
|
||||
e.setId(createId(edmEntitySet.getName(),v));
|
||||
}
|
||||
}
|
||||
});
|
||||
} catch (Exception ex) {
|
||||
throw new ODataRuntimeException("[E141] Unable to create OData entity", ex);
|
||||
}
|
||||
|
||||
return e;
|
||||
}
|
||||
|
||||
|
||||
public Object getPropertyValue(Object entry, String name) {
|
||||
try {
|
||||
return PropertyUtils.getProperty(entry,name);
|
||||
} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
|
||||
throw new ODataRuntimeException("[E141] Unable to read property from entity, property=" + name, e);
|
||||
}
|
||||
}
|
||||
|
||||
public void setPropertyValue(Object entry, String name,Object value) {
|
||||
try {
|
||||
PropertyUtils.setProperty(entry,name,value);
|
||||
} catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
|
||||
throw new ODataRuntimeException("[E141] Unable to read property from entity, property=" + name, e);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
private URI createId(String entitySetName, Object id) {
|
||||
try {
|
||||
return new URI(entitySetName + "(" + String.valueOf(id) + ")");
|
||||
} catch (URISyntaxException e) {
|
||||
throw new ODataRuntimeException("[E177] Unable to create URI", e);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
@ -0,0 +1,304 @@
|
||||
/**
|
||||
*
|
||||
*/
|
||||
package org.baeldung.examples.olingo4.processor;
|
||||
|
||||
import java.io.InputStream;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.Optional;
|
||||
|
||||
import javax.persistence.EntityManager;
|
||||
import javax.persistence.EntityManagerFactory;
|
||||
import javax.persistence.metamodel.SingularAttribute;
|
||||
|
||||
import org.apache.olingo.commons.api.data.ContextURL;
|
||||
import org.apache.olingo.commons.api.data.Entity;
|
||||
import org.apache.olingo.commons.api.edm.EdmEntitySet;
|
||||
import org.apache.olingo.commons.api.edm.EdmEntityType;
|
||||
import org.apache.olingo.commons.api.edm.EdmNavigationProperty;
|
||||
import org.apache.olingo.commons.api.ex.ODataRuntimeException;
|
||||
import org.apache.olingo.commons.api.format.ContentType;
|
||||
import org.apache.olingo.commons.api.http.HttpHeader;
|
||||
import org.apache.olingo.commons.api.http.HttpStatusCode;
|
||||
import org.apache.olingo.server.api.OData;
|
||||
import org.apache.olingo.server.api.ODataApplicationException;
|
||||
import org.apache.olingo.server.api.ODataLibraryException;
|
||||
import org.apache.olingo.server.api.ODataRequest;
|
||||
import org.apache.olingo.server.api.ODataResponse;
|
||||
import org.apache.olingo.server.api.ServiceMetadata;
|
||||
import org.apache.olingo.server.api.processor.EntityProcessor;
|
||||
import org.apache.olingo.server.api.serializer.EntitySerializerOptions;
|
||||
import org.apache.olingo.server.api.serializer.ODataSerializer;
|
||||
import org.apache.olingo.server.api.serializer.SerializerResult;
|
||||
import org.apache.olingo.server.api.uri.UriInfo;
|
||||
import org.apache.olingo.server.api.uri.UriParameter;
|
||||
import org.apache.olingo.server.api.uri.UriResource;
|
||||
import org.apache.olingo.server.api.uri.UriResourceEntitySet;
|
||||
import org.apache.olingo.server.api.uri.UriResourceNavigation;
|
||||
import org.baeldung.examples.olingo4.repository.EdmEntityRepository;
|
||||
import org.baeldung.examples.olingo4.repository.RepositoryRegistry;
|
||||
import org.springframework.data.jpa.repository.JpaRepository;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
/**
|
||||
* JpaEntityProcessor adapter.
|
||||
* <p>This implementation is heavily based on the Tutorial available
|
||||
* at Olingo's site. It is meant to be an starting point for an actual implementation.</p>
|
||||
* <p>Please note that many features from a full-fledged are missing
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
@Component
|
||||
public class JpaEntityProcessor implements EntityProcessor {
|
||||
|
||||
private EntityManagerFactory emf;
|
||||
private OData odata;
|
||||
private ServiceMetadata serviceMetadata;
|
||||
private RepositoryRegistry registry;
|
||||
private JpaEntityMapper entityMapper;
|
||||
|
||||
public JpaEntityProcessor(EntityManagerFactory emf, RepositoryRegistry registry, JpaEntityMapper entityMapper) {
|
||||
this.emf = emf;
|
||||
this.registry = registry;
|
||||
this.entityMapper = entityMapper;
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.server.api.processor.Processor#init(org.apache.olingo.server.api.OData, org.apache.olingo.server.api.ServiceMetadata)
|
||||
*/
|
||||
@Override
|
||||
public void init(OData odata, ServiceMetadata serviceMetadata) {
|
||||
this.odata = odata;
|
||||
this.serviceMetadata = serviceMetadata;
|
||||
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.server.api.processor.EntityProcessor#readEntity(org.apache.olingo.server.api.ODataRequest, org.apache.olingo.server.api.ODataResponse, org.apache.olingo.server.api.uri.UriInfo, org.apache.olingo.commons.api.format.ContentType)
|
||||
*/
|
||||
@Override
|
||||
public void readEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
|
||||
|
||||
// First, we have to figure out which entity is requested
|
||||
List<UriResource> resourceParts = uriInfo.getUriResourceParts();
|
||||
InputStream entityStream;
|
||||
|
||||
UriResourceEntitySet rootResourceEntitySet = (UriResourceEntitySet) resourceParts.get(0);
|
||||
EdmEntitySet rootEntitySet = rootResourceEntitySet.getEntitySet();
|
||||
List<UriParameter> rootPredicates = rootResourceEntitySet.getKeyPredicates();
|
||||
|
||||
if ( resourceParts.size() == 1 ) {
|
||||
entityStream = readRootEntity(rootEntitySet,rootPredicates,responseFormat);
|
||||
}
|
||||
else if ( resourceParts.size() == 2 ) {
|
||||
UriResource part = resourceParts.get(1);
|
||||
if ( !(part instanceof UriResourceNavigation)) {
|
||||
throw new ODataRuntimeException("[E103] part type not supported: class=" + part.getClass().getName());
|
||||
}
|
||||
|
||||
UriResourceNavigation navSegment = (UriResourceNavigation)part;
|
||||
entityStream = readRelatedEntity(request, rootEntitySet,rootPredicates,navSegment.getProperty(),navSegment.getKeyPredicates(),responseFormat);
|
||||
}
|
||||
else {
|
||||
// For now, we'll only allow navigation just to directly linked navs
|
||||
throw new ODataApplicationException("[E109] Multi-level navigation not supported", HttpStatusCode.NOT_IMPLEMENTED.getStatusCode(), Locale.ROOT);
|
||||
}
|
||||
|
||||
//4. configure the response object
|
||||
response.setContent(entityStream);
|
||||
response.setStatusCode(HttpStatusCode.OK.getStatusCode());
|
||||
response.setHeader(HttpHeader.CONTENT_TYPE, responseFormat.toContentTypeString());
|
||||
|
||||
}
|
||||
|
||||
|
||||
// Lookup the EntitySet associated with an EntityType
|
||||
// In our example, we assume we have only one entityset for each entity type
|
||||
private EdmEntitySet entitySetFromType(EdmEntityType type) {
|
||||
return serviceMetadata
|
||||
.getEdm()
|
||||
.getEntityContainer()
|
||||
.getEntitySets()
|
||||
.stream()
|
||||
.filter((s) -> s.getEntityType().getName().equals(type.getName()))
|
||||
.findFirst()
|
||||
.orElseThrow(() -> new ODataRuntimeException("[E144] No entity set found for type " + type.getFullQualifiedName()));
|
||||
}
|
||||
|
||||
//
|
||||
// private boolean isOne2ManyProperty(EdmEntityType entityType, EdmNavigationProperty property) {
|
||||
// return entityType.getProperty(property.getName()) != null && property.isCollection();
|
||||
//}
|
||||
|
||||
@SuppressWarnings({ "rawtypes", "unchecked" })
|
||||
private InputStream readRootEntity(EdmEntitySet entitySet, List<UriParameter> keyPredicates,ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
|
||||
EdmEntityType type = entitySet.getEntityType();
|
||||
JpaRepository repo = registry.getRepositoryForEntity(type);
|
||||
|
||||
// Get key value
|
||||
Long keyValue = getEntityKey(keyPredicates);
|
||||
Optional<Object> entry = repo.findById(keyValue);
|
||||
if ( !entry.isPresent()) {
|
||||
throw new ODataApplicationException(
|
||||
"[E116] NO entity found for the given key",
|
||||
HttpStatusCode.NOT_FOUND.getStatusCode(),
|
||||
Locale.ENGLISH);
|
||||
}
|
||||
|
||||
Entity e = entityMapper.map2entity(entitySet, entry.get());
|
||||
return serializeEntity(entitySet,e,responseFormat);
|
||||
}
|
||||
|
||||
private InputStream serializeEntity(EdmEntitySet entitySet, Entity entity,ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
|
||||
ContextURL contextUrl = ContextURL.with().entitySet(entitySet).build();
|
||||
// expand and select currently not supported
|
||||
EntitySerializerOptions options = EntitySerializerOptions
|
||||
.with()
|
||||
.contextURL(contextUrl)
|
||||
.build();
|
||||
|
||||
ODataSerializer serializer = odata.createSerializer(responseFormat);
|
||||
|
||||
SerializerResult serializerResult = serializer.entity(serviceMetadata, entitySet.getEntityType(), entity, options);
|
||||
return serializerResult.getContent();
|
||||
|
||||
}
|
||||
|
||||
// @SuppressWarnings("unchecked")
|
||||
// protected InputStream readRelatedEntities(EdmEntitySet rootEntitySet, List<UriParameter> rootPredicates, EdmNavigationProperty property, ContentType responseFormat) throws ODataApplicationException {
|
||||
//
|
||||
// Object jpaEntity = readJPAEntity(rootEntitySet, rootPredicates);
|
||||
// try {
|
||||
// Collection<Object> set = (Collection<Object>)PropertyUtils.getProperty(jpaEntity, property.getName());
|
||||
// EdmEntitySet entitySet = entitySetFromType(property.getType());
|
||||
// ContextURL contextUrl = ContextURL
|
||||
// .with()
|
||||
// .entitySet(entitySet)
|
||||
// .build();
|
||||
//
|
||||
// EntityCollectionSerializerOptions options = EntityCollectionSerializerOptions
|
||||
// .with()
|
||||
// .contextURL(contextUrl)
|
||||
// .build();
|
||||
//
|
||||
// EntityCollection result = new EntityCollection();
|
||||
//
|
||||
// set.stream()
|
||||
// .map((o) -> this.entityMapper.map2entity(entitySet, o))
|
||||
// .forEach((e) -> result.getEntities().add(e));
|
||||
//
|
||||
// ODataSerializer serializer = odata.createSerializer(responseFormat);
|
||||
// SerializerResult serializerResult = serializer.entityCollection(serviceMetadata, property.getType(), result, options);
|
||||
// return serializerResult.getContent();
|
||||
// }
|
||||
// catch(Exception ex) {
|
||||
// throw new ODataRuntimeException("[E181] Error accessing database", ex);
|
||||
// }
|
||||
// }
|
||||
|
||||
@SuppressWarnings({ "rawtypes", "unchecked" })
|
||||
private InputStream readRelatedEntity(ODataRequest request, EdmEntitySet entitySet, List<UriParameter> rootPredicates, EdmNavigationProperty property, List<UriParameter> parentPredicates, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
|
||||
|
||||
|
||||
JpaRepository<Object,Object> repo = (JpaRepository<Object,Object>)registry.getRepositoryForEntity(entitySet.getEntityType());
|
||||
EdmEntityRepository<Object> relatedRepo = (EdmEntityRepository<Object>)registry.getRepositoryForEntity(property.getType());
|
||||
|
||||
// We assume here that we have a bi-directional 1:N relationship, so we'll
|
||||
// always have a property in the child entity that points to the parent
|
||||
Class<?> rootClass = ((EdmEntityRepository)repo).getEntityClass();
|
||||
Class<?> relatedClass = ((EdmEntityRepository)relatedRepo).getEntityClass();
|
||||
|
||||
SingularAttribute fk = emf.getMetamodel()
|
||||
.entity(rootClass)
|
||||
.getSingularAttributes()
|
||||
.stream()
|
||||
.filter((attr) -> {
|
||||
boolean b = attr.isAssociation() && attr.getJavaType().isAssignableFrom(relatedClass);
|
||||
return b;
|
||||
})
|
||||
.findFirst()
|
||||
.orElse(null);
|
||||
|
||||
if ( fk == null ) {
|
||||
throw new ODataRuntimeException("[E230] No singular attribute of child class '" + relatedClass.getName() + "' found" );
|
||||
}
|
||||
|
||||
Long pkValue = getEntityKey(rootPredicates);
|
||||
EntityManager em = this.emf.createEntityManager();
|
||||
try {
|
||||
// Read data from DB
|
||||
Object root = em.find(rootClass, pkValue);
|
||||
Object related = this.entityMapper.getPropertyValue(root, fk.getName());
|
||||
|
||||
EdmEntitySet relatedEntitySet = entitySetFromType(property.getType());
|
||||
Entity e = entityMapper.map2entity(relatedEntitySet, related);
|
||||
return serializeEntity(relatedEntitySet,e,responseFormat);
|
||||
}
|
||||
finally {
|
||||
em.close();
|
||||
}
|
||||
}
|
||||
|
||||
// @SuppressWarnings("unchecked")
|
||||
// private Object readJPAEntity(EdmEntitySet edmEntitySet, List<UriParameter> keyPredicates) throws ODataApplicationException {
|
||||
// EdmEntityType type = edmEntitySet.getEntityType();
|
||||
// JpaRepository<Object,Object> repo = (JpaRepository<Object,Object>)registry.getRepositoryForEntity(type);
|
||||
//
|
||||
// // Get key value
|
||||
// Object keyValue = getEntityKey(type,keyPredicates);
|
||||
// Object entry = repo
|
||||
// .findById(keyValue)
|
||||
// .orElseThrow(
|
||||
// () -> new ODataApplicationException("[E116] NO entity found for the given key",
|
||||
// HttpStatusCode.NOT_FOUND.getStatusCode(), Locale.ENGLISH));
|
||||
//
|
||||
// return entry;
|
||||
// }
|
||||
|
||||
private Long getEntityKey(List<UriParameter> keyPredicates) {
|
||||
|
||||
if ( keyPredicates.size() > 1 ) {
|
||||
throw new ODataRuntimeException("[E131] Composite keys are not supported");
|
||||
}
|
||||
|
||||
// For now, we'll assume we only have numeric keys.
|
||||
UriParameter keyParam = keyPredicates.get(0);
|
||||
try {
|
||||
return Long.parseLong(keyParam.getText());
|
||||
}
|
||||
catch(NumberFormatException nfe) {
|
||||
throw new ODataRuntimeException("[E140] Invalid key value. Only numeric keys are supported by this service");
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.server.api.processor.EntityProcessor#createEntity(org.apache.olingo.server.api.ODataRequest, org.apache.olingo.server.api.ODataResponse, org.apache.olingo.server.api.uri.UriInfo, org.apache.olingo.commons.api.format.ContentType, org.apache.olingo.commons.api.format.ContentType)
|
||||
*/
|
||||
@Override
|
||||
public void createEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.server.api.processor.EntityProcessor#updateEntity(org.apache.olingo.server.api.ODataRequest, org.apache.olingo.server.api.ODataResponse, org.apache.olingo.server.api.uri.UriInfo, org.apache.olingo.commons.api.format.ContentType, org.apache.olingo.commons.api.format.ContentType)
|
||||
*/
|
||||
@Override
|
||||
public void updateEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo, ContentType requestFormat, ContentType responseFormat) throws ODataApplicationException, ODataLibraryException {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see org.apache.olingo.server.api.processor.EntityProcessor#deleteEntity(org.apache.olingo.server.api.ODataRequest, org.apache.olingo.server.api.ODataResponse, org.apache.olingo.server.api.uri.UriInfo)
|
||||
*/
|
||||
@Override
|
||||
public void deleteEntity(ODataRequest request, ODataResponse response, UriInfo uriInfo) throws ODataApplicationException, ODataLibraryException {
|
||||
// TODO Auto-generated method stub
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,16 @@
|
||||
package org.baeldung.examples.olingo4.repository;
|
||||
|
||||
import org.baeldung.examples.olingo4.domain.CarMaker;
|
||||
import org.springframework.data.jpa.repository.JpaRepository;
|
||||
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
|
||||
import org.springframework.stereotype.Repository;
|
||||
|
||||
@Repository
|
||||
public interface CarMakerRepository extends EdmEntityRepository<CarMaker>, JpaRepository<CarMaker, Long>, JpaSpecificationExecutor<CarMaker> {
|
||||
|
||||
public default String getEdmEntityName() { return CarMaker.class.getSimpleName();}
|
||||
@Override
|
||||
default Class<CarMaker> getEntityClass() {
|
||||
return CarMaker.class;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,22 @@
|
||||
package org.baeldung.examples.olingo4.repository;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import org.baeldung.examples.olingo4.domain.CarModel;
|
||||
import org.springframework.data.jpa.repository.JpaRepository;
|
||||
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
|
||||
import org.springframework.stereotype.Repository;
|
||||
|
||||
@Repository
|
||||
public interface CarModelRepository extends EdmEntityRepository<CarModel>, JpaRepository<CarModel, Long>, JpaSpecificationExecutor<CarModel> {
|
||||
|
||||
public List<CarModel> findByMakerId(Long makerId);
|
||||
|
||||
public default String getEdmEntityName() { return CarModel.class.getSimpleName();}
|
||||
|
||||
@Override
|
||||
default Class<CarModel> getEntityClass() {
|
||||
return CarModel.class;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,17 @@
|
||||
/**
|
||||
*
|
||||
*/
|
||||
package org.baeldung.examples.olingo4.repository;
|
||||
|
||||
|
||||
/**
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
public interface EdmEntityRepository<E> {
|
||||
|
||||
public String getEdmEntityName();
|
||||
public Class<E> getEntityClass();
|
||||
|
||||
|
||||
}
|
||||
@ -0,0 +1,29 @@
|
||||
package org.baeldung.examples.olingo4.repository;
|
||||
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.olingo.commons.api.edm.EdmEntityType;
|
||||
import org.springframework.data.jpa.repository.JpaRepository;
|
||||
import org.springframework.stereotype.Component;
|
||||
|
||||
@Component
|
||||
public class RepositoryRegistry {
|
||||
|
||||
private Map<String,JpaRepository<?,?>> repositoriesByClassName = new HashMap<>();
|
||||
|
||||
public RepositoryRegistry(List<EdmEntityRepository<?>> allRepositories) {
|
||||
|
||||
allRepositories.stream()
|
||||
.forEach((r) ->
|
||||
repositoriesByClassName.put(r.getEdmEntityName(),(JpaRepository<?,?>)r));
|
||||
|
||||
}
|
||||
|
||||
|
||||
public JpaRepository<?,?> getRepositoryForEntity(EdmEntityType entityType) {
|
||||
JpaRepository<?,?> repo = repositoriesByClassName.get(entityType.getName());
|
||||
return repo;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,9 @@
|
||||
server:
|
||||
port: 8080
|
||||
|
||||
spring:
|
||||
jpa:
|
||||
show-sql: true
|
||||
open-in-view: true
|
||||
hibernate:
|
||||
ddl-auto: update
|
||||
12
apache-olingo/olingo4/src/main/resources/data.sql
Normal file
12
apache-olingo/olingo4/src/main/resources/data.sql
Normal file
@ -0,0 +1,12 @@
|
||||
insert into car_maker(id,name) values (1,'Special Motors');
|
||||
insert into car_maker(id,name) values (2,'BWM');
|
||||
insert into car_maker(id,name) values (3,'Dolores');
|
||||
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(1,1,'Muze','SM001',2018);
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(2,1,'Empada','SM002',2008);
|
||||
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(4,2,'BWM-100','BWM100',2008);
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(5,2,'BWM-200','BWM200',2009);
|
||||
insert into car_model(id,maker_fk,name,sku,year) values(6,2,'BWM-300','BWM300',2008);
|
||||
|
||||
alter sequence hibernate_sequence restart with 100;
|
||||
@ -0,0 +1,16 @@
|
||||
package org.baeldung.examples.olingo4;
|
||||
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.springframework.boot.test.context.SpringBootTest;
|
||||
import org.springframework.test.context.junit4.SpringRunner;
|
||||
|
||||
@RunWith(SpringRunner.class)
|
||||
@SpringBootTest
|
||||
public class Olingo4SampleApplicationTests {
|
||||
|
||||
@Test
|
||||
public void contextLoads() {
|
||||
}
|
||||
|
||||
}
|
||||
@ -59,7 +59,6 @@
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<jstl.version>1.2</jstl.version>
|
||||
<org.apache.httpcomponents.version>4.5.2</org.apache.httpcomponents.version>
|
||||
<velocity-version>1.7</velocity-version>
|
||||
<velocity-tools-version>2.0</velocity-tools-version>
|
||||
|
||||
@ -27,7 +27,7 @@
|
||||
<dependency>
|
||||
<groupId>org.hamcrest</groupId>
|
||||
<artifactId>hamcrest-core</artifactId>
|
||||
<version>${hamcrest-core.version}</version>
|
||||
<version>${org.hamcrest.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
@ -64,7 +64,6 @@
|
||||
<cdi-api.version>2.0.SP1</cdi-api.version>
|
||||
<weld-se-core.version>3.0.5.Final</weld-se-core.version>
|
||||
<aspectjweaver.version>1.9.2</aspectjweaver.version>
|
||||
<hamcrest-core.version>1.3</hamcrest-core.version>
|
||||
<assertj-core.version>3.10.0</assertj-core.version>
|
||||
<spring.version>5.1.2.RELEASE</spring.version>
|
||||
</properties>
|
||||
|
||||
@ -34,8 +34,5 @@
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
||||
@ -35,8 +35,4 @@
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
||||
@ -3,5 +3,5 @@
|
||||
## Relevant articles:
|
||||
|
||||
- [String Matching in Groovy](http://www.baeldung.com/)
|
||||
- [Groovy def Keyword]
|
||||
|
||||
- [Groovy def Keyword](https://www.baeldung.com/groovy-def-keyword)
|
||||
- [Pattern Matching in Strings in Groovy](https://www.baeldung.com/groovy-pattern-matching)
|
||||
|
||||
5
core-groovy-2/src/main/resources/articleEmail.template
Normal file
5
core-groovy-2/src/main/resources/articleEmail.template
Normal file
@ -0,0 +1,5 @@
|
||||
Dear <% out << (user) %>,
|
||||
Please read the requested article below.
|
||||
<% out << (articleText) %>
|
||||
From,
|
||||
<% out << (signature) %>
|
||||
3
core-groovy-2/src/main/resources/email.template
Normal file
3
core-groovy-2/src/main/resources/email.template
Normal file
@ -0,0 +1,3 @@
|
||||
Dear $user,
|
||||
Thanks for subscribing our services.
|
||||
${signature}
|
||||
@ -0,0 +1,96 @@
|
||||
package com.baeldung.templateengine
|
||||
|
||||
import groovy.text.SimpleTemplateEngine
|
||||
import groovy.text.StreamingTemplateEngine
|
||||
import groovy.text.GStringTemplateEngine
|
||||
import groovy.text.XmlTemplateEngine
|
||||
import groovy.text.XmlTemplateEngine
|
||||
import groovy.text.markup.MarkupTemplateEngine
|
||||
import groovy.text.markup.TemplateConfiguration
|
||||
|
||||
class TemplateEnginesUnitTest extends GroovyTestCase {
|
||||
|
||||
def bindMap = [user: "Norman", signature: "Baeldung"]
|
||||
|
||||
void testSimpleTemplateEngine() {
|
||||
def smsTemplate = 'Dear <% print user %>, Thanks for reading our Article. ${signature}'
|
||||
def smsText = new SimpleTemplateEngine().createTemplate(smsTemplate).make(bindMap)
|
||||
|
||||
assert smsText.toString() == "Dear Norman, Thanks for reading our Article. Baeldung"
|
||||
}
|
||||
|
||||
void testStreamingTemplateEngine() {
|
||||
def articleEmailTemplate = new File('src/main/resources/articleEmail.template')
|
||||
bindMap.articleText = """1. Overview
|
||||
This is a tutorial article on Template Engines""" //can be a string larger than 64k
|
||||
|
||||
def articleEmailText = new StreamingTemplateEngine().createTemplate(articleEmailTemplate).make(bindMap)
|
||||
|
||||
assert articleEmailText.toString() == """Dear Norman,
|
||||
Please read the requested article below.
|
||||
1. Overview
|
||||
This is a tutorial article on Template Engines
|
||||
From,
|
||||
Baeldung"""
|
||||
|
||||
}
|
||||
|
||||
void testGStringTemplateEngine() {
|
||||
def emailTemplate = new File('src/main/resources/email.template')
|
||||
def emailText = new GStringTemplateEngine().createTemplate(emailTemplate).make(bindMap)
|
||||
|
||||
assert emailText.toString() == "Dear Norman,\nThanks for subscribing our services.\nBaeldung"
|
||||
}
|
||||
|
||||
void testXmlTemplateEngine() {
|
||||
def emailXmlTemplate = '''<xs xmlns:gsp='groovy-server-pages'>
|
||||
<gsp:scriptlet>def emailContent = "Thanks for subscribing our services."</gsp:scriptlet>
|
||||
<email>
|
||||
<greet>Dear ${user}</greet>
|
||||
<content><gsp:expression>emailContent</gsp:expression></content>
|
||||
<signature>${signature}</signature>
|
||||
</email>
|
||||
</xs>'''
|
||||
def emailXml = new XmlTemplateEngine().createTemplate(emailXmlTemplate).make(bindMap)
|
||||
println emailXml.toString()
|
||||
}
|
||||
|
||||
void testMarkupTemplateEngineHtml() {
|
||||
def emailHtmlTemplate = """html {
|
||||
head {
|
||||
title('Service Subscription Email')
|
||||
}
|
||||
body {
|
||||
p('Dear Norman')
|
||||
p('Thanks for subscribing our services.')
|
||||
p('Baeldung')
|
||||
}
|
||||
}"""
|
||||
|
||||
|
||||
def emailHtml = new MarkupTemplateEngine().createTemplate(emailHtmlTemplate).make()
|
||||
println emailHtml.toString()
|
||||
|
||||
}
|
||||
|
||||
void testMarkupTemplateEngineXml() {
|
||||
def emailXmlTemplate = """xmlDeclaration()
|
||||
xs{
|
||||
email {
|
||||
greet('Dear Norman')
|
||||
content('Thanks for subscribing our services.')
|
||||
signature('Baeldung')
|
||||
}
|
||||
}
|
||||
"""
|
||||
TemplateConfiguration config = new TemplateConfiguration()
|
||||
config.autoIndent = true
|
||||
config.autoEscape = true
|
||||
config.autoNewLine = true
|
||||
|
||||
def emailXml = new MarkupTemplateEngine(config).createTemplate(emailXmlTemplate).make()
|
||||
|
||||
println emailXml.toString()
|
||||
}
|
||||
|
||||
}
|
||||
@ -2,5 +2,5 @@
|
||||
|
||||
## Relevant articles:
|
||||
|
||||
- [Maps in Groovy](http://www.baeldung.com/)
|
||||
- [Maps in Groovy](https://www.baeldung.com/groovy-maps)
|
||||
|
||||
|
||||
3
core-java-arrays/README.MD
Normal file
3
core-java-arrays/README.MD
Normal file
@ -0,0 +1,3 @@
|
||||
## Relevant Articles
|
||||
|
||||
- [Extending an Array’s Length](https://www.baeldung.com/java-array-add-element-at-the-end)
|
||||
@ -0,0 +1,52 @@
|
||||
package com.baeldung.array.conversions;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.function.IntFunction;
|
||||
import java.util.stream.IntStream;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
public class StreamArrayConversion {
|
||||
|
||||
public static String[] stringStreamToStringArrayUsingFunctionalInterface(Stream<String> stringStream) {
|
||||
IntFunction<String[]> intFunction = new IntFunction<String[]>() {
|
||||
@Override
|
||||
public String[] apply(int value) {
|
||||
return new String[value];
|
||||
}
|
||||
};
|
||||
|
||||
return stringStream.toArray(intFunction);
|
||||
}
|
||||
|
||||
public static String[] stringStreamToStringArrayUsingMethodReference(Stream<String> stringStream) {
|
||||
return stringStream.toArray(String[]::new);
|
||||
}
|
||||
|
||||
public static String[] stringStreamToStringArrayUsingLambda(Stream<String> stringStream) {
|
||||
return stringStream.toArray(value -> new String[value]);
|
||||
}
|
||||
|
||||
public static Integer[] integerStreamToIntegerArray(Stream<Integer> integerStream) {
|
||||
return integerStream.toArray(Integer[]::new);
|
||||
}
|
||||
|
||||
public static int[] intStreamToPrimitiveIntArray(Stream<Integer> integerStream) {
|
||||
return integerStream.mapToInt(i -> i).toArray();
|
||||
}
|
||||
|
||||
public static Stream<String> stringArrayToStreamUsingArraysStream(String[] stringArray) {
|
||||
return Arrays.stream(stringArray);
|
||||
}
|
||||
|
||||
public static Stream<String> stringArrayToStreamUsingStreamOf(String[] stringArray) {
|
||||
return Stream.of(stringArray);
|
||||
}
|
||||
|
||||
public static IntStream primitiveIntArrayToStreamUsingArraysStream(int[] intArray) {
|
||||
return Arrays.stream(intArray);
|
||||
}
|
||||
|
||||
public static Stream<int[]> primitiveIntArrayToStreamUsingStreamOf(int[] intArray) {
|
||||
return Stream.of(intArray);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,70 @@
|
||||
package com.baeldung.array.conversions;
|
||||
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.intStreamToPrimitiveIntArray;
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.integerStreamToIntegerArray;
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.stringStreamToStringArrayUsingFunctionalInterface;
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.stringStreamToStringArrayUsingLambda;
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.stringStreamToStringArrayUsingMethodReference;
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.stringArrayToStreamUsingArraysStream;
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.stringArrayToStreamUsingStreamOf;
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.primitiveIntArrayToStreamUsingArraysStream;
|
||||
import static com.baeldung.array.conversions.StreamArrayConversion.primitiveIntArrayToStreamUsingStreamOf;
|
||||
import static org.junit.Assert.assertArrayEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import com.google.common.collect.Iterators;
|
||||
import java.util.stream.IntStream;
|
||||
import java.util.stream.Stream;
|
||||
import org.junit.Test;
|
||||
|
||||
public class StreamArrayConversionUnitTest {
|
||||
|
||||
private String[] stringArray = new String[]{"baeldung", "convert", "to", "string", "array"};
|
||||
private Integer[] integerArray = new Integer[]{1, 2, 3, 4, 5, 6, 7};
|
||||
private int[] intPrimitiveArray = new int[]{1, 2, 3, 4, 5, 6, 7};
|
||||
|
||||
@Test
|
||||
public void givenStringStream_thenConvertToStringArrayUsingFunctionalInterface() {
|
||||
Stream<String> stringStream = Stream.of("baeldung", "convert", "to", "string", "array");
|
||||
assertArrayEquals(stringArray, stringStreamToStringArrayUsingFunctionalInterface(stringStream));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStringStream_thenConvertToStringArrayUsingMethodReference() {
|
||||
Stream<String> stringStream = Stream.of("baeldung", "convert", "to", "string", "array");
|
||||
assertArrayEquals(stringArray, stringStreamToStringArrayUsingMethodReference(stringStream));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStringStream_thenConvertToStringArrayUsingLambda() {
|
||||
Stream<String> stringStream = Stream.of("baeldung", "convert", "to", "string", "array");
|
||||
assertArrayEquals(stringArray, stringStreamToStringArrayUsingLambda(stringStream));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenIntegerStream_thenConvertToIntegerArray() {
|
||||
Stream<Integer> integerStream = Stream.of(1, 2, 3, 4, 5, 6, 7);
|
||||
assertArrayEquals(integerArray, integerStreamToIntegerArray(integerStream));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenIntStream_thenConvertToIntegerArray() {
|
||||
Stream<Integer> integerStream = IntStream.rangeClosed(1, 7).boxed();
|
||||
assertArrayEquals(intPrimitiveArray, intStreamToPrimitiveIntArray(integerStream));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStringArray_whenConvertedTwoWays_thenConvertedStreamsAreEqual() {
|
||||
assertTrue(Iterators
|
||||
.elementsEqual(stringArrayToStreamUsingArraysStream(stringArray).iterator(),
|
||||
stringArrayToStreamUsingStreamOf(stringArray).iterator()));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenPrimitiveArray_whenConvertedTwoWays_thenConvertedStreamsAreNotEqual() {
|
||||
assertFalse(Iterators.elementsEqual(
|
||||
primitiveIntArrayToStreamUsingArraysStream(intPrimitiveArray).iterator(),
|
||||
primitiveIntArrayToStreamUsingStreamOf(intPrimitiveArray).iterator()));
|
||||
}
|
||||
}
|
||||
2
core-java-lambdas/README.md
Normal file
2
core-java-lambdas/README.md
Normal file
@ -0,0 +1,2 @@
|
||||
### Relevant Articles:
|
||||
- [Java 9 java.lang.Module API](https://www.baeldung.com/java-lambda-effectively-final-local-variables)
|
||||
@ -7,3 +7,4 @@
|
||||
- [Exploring the New HTTP Client in Java 9 and 11](https://www.baeldung.com/java-9-http-client)
|
||||
- [An Introduction to Epsilon GC: A No-Op Experimental Garbage Collector](https://www.baeldung.com/jvm-epsilon-gc-garbage-collector)
|
||||
- [Guide to jlink](https://www.baeldung.com/jlink)
|
||||
- [Transforming an Empty String into an Empty Optional](https://www.baeldung.com/java-empty-string-to-empty-optional)
|
||||
|
||||
@ -3,4 +3,5 @@
|
||||
## Core Java 8 Cookbooks and Examples (part 2)
|
||||
|
||||
### Relevant Articles:
|
||||
- [Anonymous Classes in Java](http://www.baeldung.com/)
|
||||
- [Anonymous Classes in Java](https://www.baeldung.com/java-anonymous-classes)
|
||||
- [Run JAR Application With Command Line Arguments](https://www.baeldung.com/java-run-jar-with-arguments)
|
||||
|
||||
@ -101,7 +101,7 @@ public class OptionalChainingUnitTest {
|
||||
}
|
||||
|
||||
private Optional<String> createOptional(String input) {
|
||||
if (input == null || input == "" || input == "empty") {
|
||||
if (input == null || "".equals(input) || "empty".equals(input)) {
|
||||
return Optional.empty();
|
||||
}
|
||||
|
||||
|
||||
@ -20,6 +20,14 @@
|
||||
- [Multi-Release Jar Files](https://www.baeldung.com/java-multi-release-jar)
|
||||
- [Ahead of Time Compilation (AoT)](https://www.baeldung.com/ahead-of-time-compilation)
|
||||
- [Java 9 Process API Improvements](https://www.baeldung.com/java-9-process-api)
|
||||
- [Guide to java.lang.Process API](https://www.baeldung.com/java-process-api)
|
||||
|
||||
|
||||
- [Java 9 java.util.Objects Additions](https://www.baeldung.com/java-9-objects-new)
|
||||
- [Java 9 Reactive Streams](https://www.baeldung.com/java-9-reactive-streams)
|
||||
- [Java 9 Optional API Additions](https://www.baeldung.com/java-9-optional)
|
||||
- [Java 9 CompletableFuture API Improvements](https://www.baeldung.com/java-9-completablefuture)
|
||||
- [Introduction to Java 9 StackWalking API](https://www.baeldung.com/java-9-stackwalking-api)
|
||||
- [Java 9 Convenience Factory Methods for Collections](https://www.baeldung.com/java-9-collections-factory-methods)
|
||||
- [Java 9 Stream API Improvements](https://www.baeldung.com/java-9-stream-api)
|
||||
- [A Guide to Java 9 Modularity](https://www.baeldung.com/java-9-modularity)
|
||||
- [Java 9 Platform Module API](https://www.baeldung.com/java-9-module-api)
|
||||
- [Java 9 Platform Logging API](https://www.baeldung.com/java-9-logging-api)
|
||||
- [Filtering a Stream of Optionals in Java](https://www.baeldung.com/java-filter-stream-of-optional)
|
||||
|
||||
@ -8,4 +8,5 @@
|
||||
- [A Guide to HashSet in Java](http://www.baeldung.com/java-hashset)
|
||||
- [A Guide to TreeSet in Java](http://www.baeldung.com/java-tree-set)
|
||||
- [Initializing HashSet at the Time of Construction](http://www.baeldung.com/java-initialize-hashset)
|
||||
- [Guide to EnumSet](https://www.baeldung.com/java-enumset)
|
||||
- [Guide to EnumSet](https://www.baeldung.com/java-enumset)
|
||||
- [Set Operations in Java](https://www.baeldung.com/java-set-operations)
|
||||
|
||||
26
core-java-modules/core-java-exceptions/pom.xml
Normal file
26
core-java-modules/core-java-exceptions/pom.xml
Normal file
@ -0,0 +1,26 @@
|
||||
<project xmlns="http://maven.apache.org/POM/4.0.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<groupId>com.baeldung.exception.numberformat</groupId>
|
||||
<artifactId>core-java-exceptions</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<name>core-java-exceptions</name>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-java</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../../parent-java</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<version>4.12</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
</project>
|
||||
@ -0,0 +1,154 @@
|
||||
package com.baeldung.exception.numberformat;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
import java.math.BigDecimal;
|
||||
import java.math.BigInteger;
|
||||
import java.text.NumberFormat;
|
||||
import java.text.ParseException;
|
||||
import java.util.Locale;
|
||||
import java.util.logging.Logger;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* A set of examples tested to show cases where NumberFormatException is thrown and not thrown.
|
||||
*/
|
||||
public class NumberFormatExceptionUnitTest {
|
||||
|
||||
Logger LOG = Logger.getLogger(NumberFormatExceptionUnitTest.class.getName());
|
||||
|
||||
/* ---INTEGER FAIL CASES--- */
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenByteConstructor_whenAlphabetAsInput_thenFail() {
|
||||
Byte byteInt = new Byte("one");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenShortConstructor_whenSpaceInInput_thenFail() {
|
||||
Short shortInt = new Short("2 ");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenParseIntMethod_whenSpaceInInput_thenFail() {
|
||||
Integer aIntPrim = Integer.parseInt("6000 ");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenParseIntMethod_whenUnderscoreInInput_thenFail() {
|
||||
int bIntPrim = Integer.parseInt("6_000");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenIntegerValueOfMethod_whenCommaInInput_thenFail() {
|
||||
Integer cIntPrim = Integer.valueOf("6,000");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenBigIntegerConstructor_whenDecimalInInput_thenFail() {
|
||||
BigInteger bigInteger = new BigInteger("4.0");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenDecodeMethod_whenAlphabetInInput_thenFail() {
|
||||
Long decodeInteger = Long.decode("64403L");
|
||||
}
|
||||
|
||||
/* ---INTEGER PASS CASES--- */
|
||||
@Test
|
||||
public void givenInvalidNumberInputs_whenOptimized_thenPass() {
|
||||
Byte byteInt = new Byte("1");
|
||||
assertEquals(1, byteInt.intValue());
|
||||
|
||||
Short shortInt = new Short("2 ".trim());
|
||||
assertEquals(2, shortInt.intValue());
|
||||
|
||||
Integer aIntObj = Integer.valueOf("6");
|
||||
assertEquals(6, aIntObj.intValue());
|
||||
|
||||
BigInteger bigInteger = new BigInteger("4");
|
||||
assertEquals(4, bigInteger.intValue());
|
||||
|
||||
int aIntPrim = Integer.parseInt("6000 ".trim());
|
||||
assertEquals(6000, aIntPrim);
|
||||
|
||||
int bIntPrim = Integer.parseInt("6_000".replaceAll("_", ""));
|
||||
assertEquals(6000, bIntPrim);
|
||||
|
||||
int cIntPrim = Integer.parseInt("-6000");
|
||||
assertEquals(-6000, cIntPrim);
|
||||
|
||||
Long decodeInteger = Long.decode("644032334");
|
||||
assertEquals(644032334L, decodeInteger.longValue());
|
||||
}
|
||||
|
||||
/* ---DOUBLE FAIL CASES--- */
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenFloatConstructor_whenAlphabetInInput_thenFail() {
|
||||
Float floatDecimalObj = new Float("one.1");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenDoubleConstructor_whenAlphabetInInput_thenFail() {
|
||||
Double doubleDecimalObj = new Double("two.2");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenBigDecimalConstructor_whenSpecialCharsInInput_thenFail() {
|
||||
BigDecimal bigDecimalObj = new BigDecimal("3_0.3");
|
||||
}
|
||||
|
||||
@Test(expected = NumberFormatException.class)
|
||||
public void givenParseDoubleMethod_whenCommaInInput_thenFail() {
|
||||
double aDoublePrim = Double.parseDouble("4000,1");
|
||||
}
|
||||
|
||||
/* ---DOUBLE PASS CASES--- */
|
||||
@Test
|
||||
public void givenDoubleConstructor_whenDecimalInInput_thenPass() {
|
||||
Double doubleDecimalObj = new Double("2.2");
|
||||
assertEquals(2.2, doubleDecimalObj.doubleValue(), 0);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenDoubleValueOfMethod_whenMinusInInput_thenPass() {
|
||||
Double aDoubleObj = Double.valueOf("-6000");
|
||||
assertEquals(-6000, aDoubleObj.doubleValue(), 0);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenUsDecimalNumber_whenParsedWithNumberFormat_thenPass() throws ParseException {
|
||||
Number parsedNumber = parseNumberWithLocale("4000.1", Locale.US);
|
||||
assertEquals(4000.1, parsedNumber);
|
||||
assertEquals(4000.1, parsedNumber.doubleValue(), 0);
|
||||
assertEquals(4000, parsedNumber.intValue());
|
||||
}
|
||||
|
||||
/**
|
||||
* In most European countries (for example, France), comma is used as decimal in place of period.
|
||||
* @throws ParseException if the input string contains special characters other than comma or decimal.
|
||||
* In this test case, anything after decimal (period) is dropped when a European locale is set.
|
||||
*/
|
||||
@Test
|
||||
public void givenEuDecimalNumberHasComma_whenParsedWithNumberFormat_thenPass() throws ParseException {
|
||||
Number parsedNumber = parseNumberWithLocale("4000,1", Locale.FRANCE);
|
||||
LOG.info("Number parsed is: " + parsedNumber);
|
||||
assertEquals(4000.1, parsedNumber);
|
||||
assertEquals(4000.1, parsedNumber.doubleValue(), 0);
|
||||
assertEquals(4000, parsedNumber.intValue());
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts a string into a number retaining all decimals, and symbols valid in a locale.
|
||||
* @param number the input string for a number.
|
||||
* @param locale the locale to consider while parsing a number.
|
||||
* @return the generic number object which can represent multiple number types.
|
||||
* @throws ParseException when input contains invalid characters.
|
||||
*/
|
||||
private Number parseNumberWithLocale(String number, Locale locale) throws ParseException {
|
||||
locale = locale == null ? Locale.getDefault() : locale;
|
||||
NumberFormat numberFormat = NumberFormat.getInstance(locale);
|
||||
return numberFormat.parse(number);
|
||||
}
|
||||
|
||||
}
|
||||
@ -40,3 +40,4 @@
|
||||
- [How to Write to a CSV File in Java](https://www.baeldung.com/java-csv)
|
||||
- [List Files in a Directory in Java](https://www.baeldung.com/java-list-directory-files)
|
||||
- [Java InputStream to Byte Array and ByteBuffer](https://www.baeldung.com/convert-input-stream-to-array-of-bytes)
|
||||
- [Introduction to the Java NIO Selector](https://www.baeldung.com/java-nio-selector)
|
||||
|
||||
@ -4,3 +4,5 @@
|
||||
|
||||
### Relevant Articles:
|
||||
- [Generic Constructors in Java](https://www.baeldung.com/java-generic-constructors)
|
||||
- [Cannot Reference “X” Before Supertype Constructor Has Been Called](https://www.baeldung.com/java-cannot-reference-x-before-supertype-constructor-error)
|
||||
- [Anonymous Classes in Java](https://www.baeldung.com/java-anonymous-classes)
|
||||
|
||||
3
core-java-modules/core-java-reflection/README.MD
Normal file
3
core-java-modules/core-java-reflection/README.MD
Normal file
@ -0,0 +1,3 @@
|
||||
## Relevant Articles
|
||||
|
||||
- [Void Type in Java](https://www.baeldung.com/java-void-type)
|
||||
@ -51,3 +51,4 @@
|
||||
- [Java Bitwise Operators](https://www.baeldung.com/java-bitwise-operators)
|
||||
- [Guide to Creating and Running a Jar File in Java](https://www.baeldung.com/java-create-jar)
|
||||
- [Making a JSON POST Request With HttpURLConnection](https://www.baeldung.com/httpurlconnection-post)
|
||||
- [Convert Hex to ASCII in Java](https://www.baeldung.com/java-convert-hex-to-ascii)
|
||||
|
||||
@ -454,7 +454,7 @@
|
||||
<gson.version>2.8.2</gson.version>
|
||||
|
||||
<!-- util -->
|
||||
<commons-lang3.version>3.5</commons-lang3.version>
|
||||
<commons-lang3.version>3.9</commons-lang3.version>
|
||||
<commons-io.version>2.5</commons-io.version>
|
||||
<commons-math3.version>3.6.1</commons-math3.version>
|
||||
<decimal4j.version>1.0.3</decimal4j.version>
|
||||
|
||||
@ -0,0 +1,98 @@
|
||||
package com.baeldung.exceptions;
|
||||
|
||||
import java.time.LocalDate;
|
||||
import java.time.Period;
|
||||
import java.time.format.DateTimeParseException;
|
||||
import java.util.Objects;
|
||||
|
||||
/**
|
||||
* Utility class to find root cause exceptions.
|
||||
*/
|
||||
public class RootCauseFinder {
|
||||
|
||||
private RootCauseFinder() {
|
||||
}
|
||||
|
||||
public static Throwable findCauseUsingPlainJava(Throwable throwable) {
|
||||
Objects.requireNonNull(throwable);
|
||||
Throwable rootCause = throwable;
|
||||
while (rootCause.getCause() != null && rootCause.getCause() != rootCause) {
|
||||
rootCause = rootCause.getCause();
|
||||
}
|
||||
return rootCause;
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculates the age of a person from a given date.
|
||||
*/
|
||||
static class AgeCalculator {
|
||||
|
||||
private AgeCalculator() {
|
||||
}
|
||||
|
||||
public static int calculateAge(String birthDate) {
|
||||
if (birthDate == null || birthDate.isEmpty()) {
|
||||
throw new IllegalArgumentException();
|
||||
}
|
||||
|
||||
try {
|
||||
return Period
|
||||
.between(parseDate(birthDate), LocalDate.now())
|
||||
.getYears();
|
||||
} catch (DateParseException ex) {
|
||||
throw new CalculationException(ex);
|
||||
}
|
||||
}
|
||||
|
||||
private static LocalDate parseDate(String birthDateAsString) {
|
||||
|
||||
LocalDate birthDate;
|
||||
try {
|
||||
birthDate = LocalDate.parse(birthDateAsString);
|
||||
} catch (DateTimeParseException ex) {
|
||||
throw new InvalidFormatException(birthDateAsString, ex);
|
||||
}
|
||||
|
||||
if (birthDate.isAfter(LocalDate.now())) {
|
||||
throw new DateOutOfRangeException(birthDateAsString);
|
||||
}
|
||||
|
||||
return birthDate;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
static class CalculationException extends RuntimeException {
|
||||
|
||||
CalculationException(DateParseException ex) {
|
||||
super(ex);
|
||||
}
|
||||
}
|
||||
|
||||
static class DateParseException extends RuntimeException {
|
||||
|
||||
DateParseException(String input) {
|
||||
super(input);
|
||||
}
|
||||
|
||||
DateParseException(String input, Throwable thr) {
|
||||
super(input, thr);
|
||||
}
|
||||
}
|
||||
|
||||
static class InvalidFormatException extends DateParseException {
|
||||
|
||||
InvalidFormatException(String input, Throwable thr) {
|
||||
super("Invalid date format: " + input, thr);
|
||||
}
|
||||
}
|
||||
|
||||
static class DateOutOfRangeException extends DateParseException {
|
||||
|
||||
DateOutOfRangeException(String date) {
|
||||
super("Date out of range: " + date);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,114 @@
|
||||
package com.baeldung.exceptions;
|
||||
|
||||
import com.google.common.base.Throwables;
|
||||
import org.apache.commons.lang3.exception.ExceptionUtils;
|
||||
import org.junit.jupiter.api.Assertions;
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
import java.time.LocalDate;
|
||||
import java.time.format.DateTimeParseException;
|
||||
import java.time.temporal.ChronoUnit;
|
||||
|
||||
import static com.baeldung.exceptions.RootCauseFinder.*;
|
||||
import static org.junit.jupiter.api.Assertions.assertTrue;
|
||||
|
||||
/**
|
||||
* Tests the {@link RootCauseFinder}.
|
||||
*/
|
||||
public class RootCauseFinderUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenBirthDate_whenCalculatingAge_thenAgeReturned() {
|
||||
try {
|
||||
int age = AgeCalculator.calculateAge("1990-01-01");
|
||||
Assertions.assertEquals(1990, LocalDate
|
||||
.now()
|
||||
.minus(age, ChronoUnit.YEARS)
|
||||
.getYear());
|
||||
} catch (CalculationException e) {
|
||||
Assertions.fail(e.getMessage());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenWrongFormatDate_whenFindingRootCauseUsingJava_thenRootCauseFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge("010102");
|
||||
} catch (CalculationException ex) {
|
||||
assertTrue(findCauseUsingPlainJava(ex) instanceof DateTimeParseException);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenOutOfRangeDate_whenFindingRootCauseUsingJava_thenRootCauseFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge("2020-04-04");
|
||||
} catch (CalculationException ex) {
|
||||
assertTrue(findCauseUsingPlainJava(ex) instanceof DateOutOfRangeException);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenNullDate_whenFindingRootCauseUsingJava_thenRootCauseFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge(null);
|
||||
} catch (Exception ex) {
|
||||
assertTrue(findCauseUsingPlainJava(ex) instanceof IllegalArgumentException);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenWrongFormatDate_whenFindingRootCauseUsingApacheCommons_thenRootCauseFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge("010102");
|
||||
} catch (CalculationException ex) {
|
||||
assertTrue(ExceptionUtils.getRootCause(ex) instanceof DateTimeParseException);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenOutOfRangeDate_whenFindingRootCauseUsingApacheCommons_thenRootCauseFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge("2020-04-04");
|
||||
} catch (CalculationException ex) {
|
||||
assertTrue(ExceptionUtils.getRootCause(ex) instanceof DateOutOfRangeException);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenNullDate_whenFindingRootCauseUsingApacheCommons_thenRootCauseNotFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge(null);
|
||||
} catch (Exception ex) {
|
||||
assertTrue(ExceptionUtils.getRootCause(ex) instanceof IllegalArgumentException);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenWrongFormatDate_whenFindingRootCauseUsingGuava_thenRootCauseFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge("010102");
|
||||
} catch (CalculationException ex) {
|
||||
assertTrue(Throwables.getRootCause(ex) instanceof DateTimeParseException);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenOutOfRangeDate_whenFindingRootCauseUsingGuava_thenRootCauseFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge("2020-04-04");
|
||||
} catch (CalculationException ex) {
|
||||
assertTrue(Throwables.getRootCause(ex) instanceof DateOutOfRangeException);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenNullDate_whenFindingRootCauseUsingGuava_thenRootCauseFound() {
|
||||
try {
|
||||
AgeCalculator.calculateAge(null);
|
||||
} catch (Exception ex) {
|
||||
assertTrue(Throwables.getRootCause(ex) instanceof IllegalArgumentException);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@ -15,6 +15,7 @@
|
||||
|
||||
<modules>
|
||||
<module>pre-jpms</module>
|
||||
<module>core-java-exceptions</module>
|
||||
</modules>
|
||||
|
||||
</project>
|
||||
|
||||
3
core-java-modules/pre-jpms/README.MD
Normal file
3
core-java-modules/pre-jpms/README.MD
Normal file
@ -0,0 +1,3 @@
|
||||
## Relevant Articles
|
||||
|
||||
- [Java 9 Migration Issues and Resolutions](https://www.baeldung.com/java-9-migration-issue)
|
||||
@ -6,4 +6,5 @@
|
||||
- [Kotlin Scope Functions](https://www.baeldung.com/kotlin-scope-functions)
|
||||
- [Kotlin Annotations](https://www.baeldung.com/kotlin-annotations)
|
||||
- [Split a List into Parts in Kotlin](https://www.baeldung.com/kotlin-split-list-into-parts)
|
||||
- [String Comparison in Kotlin](https://www.baeldung.com/kotlin-string-comparison)
|
||||
- [String Comparison in Kotlin](https://www.baeldung.com/kotlin-string-comparison)
|
||||
- [Guide to JVM Platform Annotations in Kotlin](https://www.baeldung.com/kotlin-jvm-annotations)
|
||||
|
||||
@ -88,7 +88,7 @@
|
||||
<dependency>
|
||||
<groupId>javax.servlet</groupId>
|
||||
<artifactId>javax.servlet-api</artifactId>
|
||||
<version>${javax-servlet.version}</version>
|
||||
<version>${javax.servlet-api.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>javax.servlet.jsp.jstl</groupId>
|
||||
@ -98,7 +98,7 @@
|
||||
<dependency>
|
||||
<groupId>javax.servlet.jsp</groupId>
|
||||
<artifactId>javax.servlet.jsp-api</artifactId>
|
||||
<version>${javax-jsp.version}</version>
|
||||
<version>${javax.servlet.jsp-api.version}</version>
|
||||
</dependency>
|
||||
|
||||
<!-- Logging -->
|
||||
@ -160,7 +160,7 @@
|
||||
<dependency>
|
||||
<groupId>org.hamcrest</groupId>
|
||||
<artifactId>hamcrest-library</artifactId>
|
||||
<version>${hamcrest.version}</version>
|
||||
<version>${org.hamcrest.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
@ -213,12 +213,7 @@
|
||||
<web3j.core.version>3.3.1</web3j.core.version>
|
||||
<spring.boot.version>1.5.6.RELEASE</spring.boot.version>
|
||||
<mockito.version>2.21.0</mockito.version>
|
||||
<hamcrest.version>1.3</hamcrest.version>
|
||||
<javax-jsp.version>2.3.1</javax-jsp.version>
|
||||
<javax-servlet.version>3.1.0</javax-servlet.version>
|
||||
<jsonpath.version>2.4.0</jsonpath.version>
|
||||
<jstl.version>1.2</jstl.version>
|
||||
<junit.version>4.12</junit.version>
|
||||
<logback.version>1.2.3</logback.version>
|
||||
<slf4j.version>1.7.25</slf4j.version>
|
||||
<spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
|
||||
|
||||
@ -30,7 +30,6 @@
|
||||
</dependencies>
|
||||
|
||||
<properties>
|
||||
<lombok.version>1.16.18</lombok.version>
|
||||
<google-cloud-storage.version>1.16.0</google-cloud-storage.version>
|
||||
</properties>
|
||||
|
||||
|
||||
@ -120,7 +120,6 @@
|
||||
<!-- Don't let your Mac use a crazy non-standard encoding -->
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
|
||||
<junit.version>4.11</junit.version>
|
||||
<gwt.version>2.8.2</gwt.version>
|
||||
</properties>
|
||||
|
||||
|
||||
@ -67,7 +67,6 @@
|
||||
<commons-lang3.version>3.5</commons-lang3.version>
|
||||
<commons-collections4.version>4.1</commons-collections4.version>
|
||||
<joda-time.version>2.9.6</joda-time.version>
|
||||
<lombok.version>1.16.10</lombok.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
4
guava-collections-set/README.md
Normal file
4
guava-collections-set/README.md
Normal file
@ -0,0 +1,4 @@
|
||||
|
||||
### Relevant Articles:
|
||||
|
||||
- [Guide to Guava Multiset](https://www.baeldung.com/guava-multiset)
|
||||
@ -60,7 +60,6 @@
|
||||
<properties>
|
||||
<junit.jupiter.version>5.0.0-M4</junit.jupiter.version>
|
||||
<junit-vintage.version>4.12.0-M4</junit-vintage.version>
|
||||
<h2.version>1.4.195</h2.version>
|
||||
<log4j-core.version>2.8.2</log4j-core.version>
|
||||
<junit-platform-surefire-provider.version>1.0.0-M4</junit-platform-surefire-provider.version>
|
||||
</properties>
|
||||
|
||||
@ -41,7 +41,6 @@
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<jackson.version>2.9.7</jackson.version>
|
||||
<log4j-core.version>2.8.2</log4j-core.version>
|
||||
</properties>
|
||||
|
||||
|
||||
@ -31,9 +31,9 @@
|
||||
<version>${rest-assured.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>com.h2database</groupId>
|
||||
<groupId>com.h2</groupId>
|
||||
<artifactId>h2</artifactId>
|
||||
<version>${h2database.version}</version>
|
||||
<version>${h2.version}</version>
|
||||
<scope>runtime</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
@ -62,7 +62,6 @@
|
||||
|
||||
<properties>
|
||||
<jersey-container-servlet.version>2.25.1</jersey-container-servlet.version>
|
||||
<h2database.version>1.4.195</h2database.version>
|
||||
<rest-assured.version>3.0.3</rest-assured.version>
|
||||
<log4j-core.version>2.8.2</log4j-core.version>
|
||||
<javamelody-core.version>1.69.0</javamelody-core.version>
|
||||
|
||||
@ -172,7 +172,7 @@
|
||||
<dependency>
|
||||
<groupId>javax.servlet</groupId>
|
||||
<artifactId>javax.servlet-api</artifactId>
|
||||
<version>${javax.servlet.version}</version>
|
||||
<version>${javax.servlet-api.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
|
||||
@ -295,9 +295,6 @@
|
||||
</profiles>
|
||||
|
||||
<properties>
|
||||
<!-- various -->
|
||||
<jstl.version>1.2</jstl.version>
|
||||
<javax.servlet.version>3.1.0</javax.servlet.version>
|
||||
<!-- util -->
|
||||
<guava.version>19.0</guava.version>
|
||||
<commons-lang3.version>3.5</commons-lang3.version>
|
||||
|
||||
@ -64,8 +64,6 @@
|
||||
<!-- Hystrix -->
|
||||
<hystrix-core.version>1.5.8</hystrix-core.version>
|
||||
<rxjava-core.version>0.20.7</rxjava-core.version>
|
||||
<!-- Testing -->
|
||||
<hamcrest-all.version>1.3</hamcrest-all.version>
|
||||
<!-- maven plugins -->
|
||||
<maven-war-plugin.version>2.6</maven-war-plugin.version>
|
||||
<maven-resources-plugin.version>2.7</maven-resources-plugin.version>
|
||||
|
||||
@ -7,3 +7,6 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
|
||||
|
||||
### Relevant Articles:
|
||||
- [Mapping Multiple JSON Fields to a Single Java Field](https://www.baeldung.com/json-multiple-fields-single-java-field)
|
||||
- [How to Process YAML with Jackson](https://www.baeldung.com/jackson-yaml)
|
||||
- [Working with Tree Model Nodes in Jackson](https://www.baeldung.com/jackson-json-node-tree-model)
|
||||
|
||||
|
||||
@ -0,0 +1,62 @@
|
||||
package com.baeldung.jackson.node;
|
||||
|
||||
import java.util.Iterator;
|
||||
import java.util.Map.Entry;
|
||||
|
||||
import com.fasterxml.jackson.databind.JsonNode;
|
||||
|
||||
public class JsonNodeIterator {
|
||||
|
||||
private static final String NEW_LINE = "\n";
|
||||
private static final String FIELD_DELIMITER = ": ";
|
||||
private static final String ARRAY_PREFIX = "- ";
|
||||
private static final String YAML_PREFIX = " ";
|
||||
|
||||
public String toYaml(JsonNode root) {
|
||||
StringBuilder yaml = new StringBuilder();
|
||||
processNode(root, yaml, 0);
|
||||
return yaml.toString();
|
||||
}
|
||||
|
||||
private void processNode(JsonNode jsonNode, StringBuilder yaml, int depth) {
|
||||
if (jsonNode.isValueNode()) {
|
||||
yaml.append(jsonNode.asText());
|
||||
}
|
||||
else if (jsonNode.isArray()) {
|
||||
for (JsonNode arrayItem : jsonNode) {
|
||||
appendNodeToYaml(arrayItem, yaml, depth, true);
|
||||
}
|
||||
}
|
||||
else if (jsonNode.isObject()) {
|
||||
appendNodeToYaml(jsonNode, yaml, depth, false);
|
||||
}
|
||||
}
|
||||
|
||||
private void appendNodeToYaml(JsonNode node, StringBuilder yaml, int depth, boolean isArrayItem) {
|
||||
Iterator<Entry<String, JsonNode>> fields = node.fields();
|
||||
boolean isFirst = true;
|
||||
while (fields.hasNext()) {
|
||||
Entry<String, JsonNode> jsonField = fields.next();
|
||||
addFieldNameToYaml(yaml, jsonField.getKey(), depth, isArrayItem && isFirst);
|
||||
processNode(jsonField.getValue(), yaml, depth+1);
|
||||
isFirst = false;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
private void addFieldNameToYaml(StringBuilder yaml, String fieldName, int depth, boolean isFirstInArray) {
|
||||
if (yaml.length()>0) {
|
||||
yaml.append(NEW_LINE);
|
||||
int requiredDepth = (isFirstInArray) ? depth-1 : depth;
|
||||
for(int i = 0; i < requiredDepth; i++) {
|
||||
yaml.append(YAML_PREFIX);
|
||||
}
|
||||
if (isFirstInArray) {
|
||||
yaml.append(ARRAY_PREFIX);
|
||||
}
|
||||
}
|
||||
yaml.append(fieldName);
|
||||
yaml.append(FIELD_DELIMITER);
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,37 @@
|
||||
package com.baeldung.jackson.node;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import com.fasterxml.jackson.databind.JsonNode;
|
||||
|
||||
public class JsonNodeIteratorUnitTest {
|
||||
|
||||
private JsonNodeIterator onTest = new JsonNodeIterator();
|
||||
private static String expectedYaml = "name: \n" +
|
||||
" first: Tatu\n" +
|
||||
" last: Saloranta\n" +
|
||||
"title: Jackson founder\n" +
|
||||
"company: FasterXML\n" +
|
||||
"pets: \n" +
|
||||
"- type: dog\n" +
|
||||
" number: 1\n" +
|
||||
"- type: fish\n" +
|
||||
" number: 50";
|
||||
|
||||
@Test
|
||||
public void givenANodeTree_whenIteratingSubNodes_thenWeFindExpected() throws IOException {
|
||||
final JsonNode rootNode = ExampleStructure.getExampleRoot();
|
||||
|
||||
String yaml = onTest.toYaml(rootNode);
|
||||
System.out.println(yaml.toString());
|
||||
|
||||
assertEquals(expectedYaml, yaml);
|
||||
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
18
jackson-2/src/test/resources/node_example.json
Normal file
18
jackson-2/src/test/resources/node_example.json
Normal file
@ -0,0 +1,18 @@
|
||||
{
|
||||
"name": {
|
||||
"first": "Tatu",
|
||||
"last": "Saloranta"
|
||||
},
|
||||
"title": "Jackson founder",
|
||||
"company": "FasterXML",
|
||||
"pets": [
|
||||
{
|
||||
"type": "dog",
|
||||
"number": 1
|
||||
},
|
||||
{
|
||||
"type": "fish",
|
||||
"number": 50
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -15,7 +15,6 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
|
||||
- [Jackson JSON Tutorial](http://www.baeldung.com/jackson)
|
||||
- [Jackson – Working with Maps and nulls](http://www.baeldung.com/jackson-map-null-values-or-null-key)
|
||||
- [Jackson – Decide What Fields Get Serialized/Deserialized](http://www.baeldung.com/jackson-field-serializable-deserializable-or-not)
|
||||
- [Working with Tree Model Nodes in Jackson](http://www.baeldung.com/jackson-json-node-tree-model)
|
||||
- [Jackson vs Gson](http://www.baeldung.com/jackson-vs-gson)
|
||||
- [XML Serialization and Deserialization with Jackson](http://www.baeldung.com/jackson-xml-serialization-and-deserialization)
|
||||
- [More Jackson Annotations](http://www.baeldung.com/jackson-advanced-annotations)
|
||||
|
||||
@ -1,10 +0,0 @@
|
||||
{
|
||||
"name":
|
||||
{
|
||||
"first": "Tatu",
|
||||
"last": "Saloranta"
|
||||
},
|
||||
|
||||
"title": "Jackson founder",
|
||||
"company": "FasterXML"
|
||||
}
|
||||
@ -1,2 +1,3 @@
|
||||
## Relevant Articles:
|
||||
- [Map of Primitives in Java](https://www.baeldung.com/java-map-primitives)
|
||||
- [Copying a HashMap in Java](https://www.baeldung.com/java-copy-hashmap)
|
||||
|
||||
@ -1,2 +1,3 @@
|
||||
## Relevant Articles:
|
||||
- [Converting Between LocalDate and XMLGregorianCalendar](https://www.baeldung.com/java-localdate-to-xmlgregoriancalendar)
|
||||
- [Convert Time to Milliseconds in Java](https://www.baeldung.com/java-time-milliseconds)
|
||||
|
||||
@ -53,7 +53,7 @@
|
||||
<artifactItem>
|
||||
<groupId>com.h2database</groupId>
|
||||
<artifactId>h2</artifactId>
|
||||
<version>${h2-version}</version>
|
||||
<version>${h2.version}</version>
|
||||
<type>jar</type>
|
||||
<outputDirectory>
|
||||
${project.build.directory}/liberty/wlp/usr/servers/defaultServer/lib/global
|
||||
@ -64,8 +64,4 @@
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<h2-version>1.4.197</h2-version>
|
||||
</properties>
|
||||
</project>
|
||||
|
||||
@ -53,7 +53,7 @@
|
||||
<artifactItem>
|
||||
<groupId>com.h2database</groupId>
|
||||
<artifactId>h2</artifactId>
|
||||
<version>${h2-version}</version>
|
||||
<version>${h2.version}</version>
|
||||
<type>jar</type>
|
||||
<outputDirectory>
|
||||
${project.build.directory}/liberty/wlp/usr/servers/defaultServer/lib/global
|
||||
@ -64,8 +64,4 @@
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<h2-version>1.4.197</h2-version>
|
||||
</properties>
|
||||
</project>
|
||||
|
||||
@ -72,7 +72,6 @@
|
||||
<javaee-version>8.0</javaee-version>
|
||||
<liberty-maven-plugin.version>2.3</liberty-maven-plugin.version>
|
||||
<openliberty-runtime.version>18.0.0.1</openliberty-runtime.version>
|
||||
<h2-version>1.4.197</h2-version>
|
||||
|
||||
<maven-war-plugin.version>3.2.2</maven-war-plugin.version>
|
||||
</properties>
|
||||
|
||||
@ -38,7 +38,7 @@
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-generator-annprocess</artifactId>
|
||||
<version>${jmh-generator-annprocess.version}</version>
|
||||
<version>${jmh-generator.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.apache.commons</groupId>
|
||||
@ -127,8 +127,6 @@
|
||||
|
||||
<org.slf4j.version>1.7.21</org.slf4j.version>
|
||||
<logback.version>1.1.7</logback.version>
|
||||
<jmh-core.version>1.19</jmh-core.version>
|
||||
<jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
|
||||
|
||||
<maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
|
||||
<maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
|
||||
|
||||
@ -18,12 +18,12 @@
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-core</artifactId>
|
||||
<version>${jmh.version}</version>
|
||||
<version>${jmh-core.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-generator-annprocess</artifactId>
|
||||
<version>${jmh.version}</version>
|
||||
<version>${jmh-generator.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
@ -44,7 +44,6 @@
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<jmh.version>1.21</jmh.version>
|
||||
<assertj.version>3.11.1</assertj.version>
|
||||
</properties>
|
||||
</project>
|
||||
@ -18,12 +18,12 @@
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-core</artifactId>
|
||||
<version>${jmh.version}</version>
|
||||
<version>${jmh-core.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-generator-annprocess</artifactId>
|
||||
<version>${jmh.version}</version>
|
||||
<version>${jmh-generator.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
@ -106,7 +106,6 @@
|
||||
|
||||
<properties>
|
||||
<!-- util -->
|
||||
<jmh.version>1.21</jmh.version>
|
||||
<commons-lang3.version>3.5</commons-lang3.version>
|
||||
<vavr.version>0.9.0</vavr.version>
|
||||
<protonpack.version>1.15</protonpack.version>
|
||||
|
||||
4
java-strings-2/README.MD
Normal file
4
java-strings-2/README.MD
Normal file
@ -0,0 +1,4 @@
|
||||
## Relevant Articles
|
||||
|
||||
- [Java Localization – Formatting Messages](https://www.baeldung.com/java-localization-messages-formatting)
|
||||
- [Check If a String Contains a Substring](https://www.baeldung.com/java-string-contains-substring)
|
||||
@ -83,7 +83,7 @@
|
||||
<dependency>
|
||||
<groupId>org.hamcrest</groupId>
|
||||
<artifactId>hamcrest-library</artifactId>
|
||||
<version>${hamcrest-library.version}</version>
|
||||
<version>${org.hamcrest.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
|
||||
@ -136,12 +136,10 @@
|
||||
<commons-codec.version>1.10</commons-codec.version>
|
||||
<!-- testing -->
|
||||
<assertj.version>3.6.1</assertj.version>
|
||||
<jmh-core.version>1.19</jmh-core.version>
|
||||
<icu4j.version>61.1</icu4j.version>
|
||||
<guava.version>27.0.1-jre</guava.version>
|
||||
<emoji-java.version>4.0.0</emoji-java.version>
|
||||
<junit-jupiter-api.version>5.3.1</junit-jupiter-api.version>
|
||||
<hamcrest-library.version>1.3</hamcrest-library.version>
|
||||
<passay.version>1.3.1</passay.version>
|
||||
<commons-text.version>1.4</commons-text.version>
|
||||
<ahocorasick.version>0.4.0</ahocorasick.version>
|
||||
|
||||
@ -0,0 +1,21 @@
|
||||
package com.baeldung.localization;
|
||||
|
||||
import java.text.ParseException;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
|
||||
public class App {
|
||||
|
||||
/**
|
||||
* Runs all available formatter
|
||||
* @throws ParseException
|
||||
*/
|
||||
public static void main(String[] args) {
|
||||
List<Locale> locales = Arrays.asList(new Locale[] { Locale.UK, Locale.ITALY, Locale.FRANCE, Locale.forLanguageTag("pl-PL") });
|
||||
Localization.run(locales);
|
||||
JavaSEFormat.run(locales);
|
||||
ICUFormat.run(locales);
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,29 @@
|
||||
package com.baeldung.localization;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.ResourceBundle;
|
||||
|
||||
import com.ibm.icu.text.MessageFormat;
|
||||
|
||||
public class ICUFormat {
|
||||
|
||||
public static String getLabel(Locale locale, Object[] data) {
|
||||
ResourceBundle bundle = ResourceBundle.getBundle("formats", locale);
|
||||
String format = bundle.getString("label-icu");
|
||||
MessageFormat formatter = new MessageFormat(format, locale);
|
||||
return formatter.format(data);
|
||||
}
|
||||
|
||||
public static void run(List<Locale> locales) {
|
||||
System.out.println("ICU formatter");
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Alice", "female", 0 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Alice", "female", 1 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Alice", "female", 2 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Alice", "female", 3 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Bob", "male", 0 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Bob", "male", 1 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Bob", "male", 2 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { "Bob", "male", 3 })));
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,24 @@
|
||||
package com.baeldung.localization;
|
||||
|
||||
import java.text.MessageFormat;
|
||||
import java.util.Date;
|
||||
import java.util.List;
|
||||
import java.util.Locale;
|
||||
import java.util.ResourceBundle;
|
||||
|
||||
public class JavaSEFormat {
|
||||
|
||||
public static String getLabel(Locale locale, Object[] data) {
|
||||
ResourceBundle bundle = ResourceBundle.getBundle("formats", locale);
|
||||
final String pattern = bundle.getString("label");
|
||||
final MessageFormat formatter = new MessageFormat(pattern, locale);
|
||||
return formatter.format(data);
|
||||
}
|
||||
|
||||
public static void run(List<Locale> locales) {
|
||||
System.out.println("Java formatter");
|
||||
final Date date = new Date(System.currentTimeMillis());
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { date, "Alice", 0 })));
|
||||
locales.forEach(locale -> System.out.println(getLabel(locale, new Object[] { date, "Alice", 2 })));
|
||||
}
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
x
Reference in New Issue
Block a user