[BAEL-2894] Remove olingo4 module
This commit is contained in:
Philippe
parent
350a93ea9d
commit
b1c95c2716
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@ -1,29 +0,0 @@
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HELP.md
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/target/
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!.mvn/wrapper/maven-wrapper.jar
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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/build/
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### VS Code ###
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.vscode/
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@ -1,90 +0,0 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.1.3.RELEASE</version>
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<relativePath /> <!-- lookup parent from repository -->
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</parent>
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<groupId>org.baeldung.examples.olingo4</groupId>
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<artifactId>olingo4-sample</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>olingo4-sample</name>
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<description>Sample Olingo 4 Project</description>
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<properties>
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<java.version>1.8</java.version>
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<odata.version>4.5.0</odata.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-configuration-processor</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.apache.olingo</groupId>
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<artifactId>odata-server-core</artifactId>
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<version>${odata.version}</version>
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</dependency>
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<!--
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<dependency>
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<groupId>org.apache.olingo</groupId>
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<artifactId>odata-server-api</artifactId>
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<version>${odata.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.olingo</groupId>
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<artifactId>odata-commons-api</artifactId>
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<version>${odata.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.olingo</groupId>
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<artifactId>odata-commons-core</artifactId>
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<version>${odata.version}</version>
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</dependency>
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-->
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<dependency>
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<groupId>commons-beanutils</groupId>
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<artifactId>commons-beanutils</artifactId>
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<version>1.9.3</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>
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@ -1,20 +0,0 @@
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package org.baeldung.examples.olingo4;
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import org.apache.olingo.server.api.OData;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.stereotype.Component;
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/**
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* Default implementation for ODataFactory
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* @author Philippe
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*
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*/
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@Component
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public class DefaultODataFactory implements ODataFactory {
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@Override
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public OData newInstance() {
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return OData.newInstance();
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}
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}
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package org.baeldung.examples.olingo4;
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import org.apache.olingo.server.api.OData;
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public interface ODataFactory {
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public OData newInstance();
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}
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@ -1,8 +0,0 @@
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package org.baeldung.examples.olingo4;
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import org.apache.olingo.server.api.ODataHttpHandler;
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public interface ODataHttpHandlerFactory {
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ODataHttpHandler newInstance();
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}
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@ -1,64 +0,0 @@
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package org.baeldung.examples.olingo4;
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import java.util.Collections;
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import java.util.List;
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import org.apache.olingo.commons.api.edm.provider.CsdlEdmProvider;
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import org.apache.olingo.server.api.OData;
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import org.apache.olingo.server.api.ODataHttpHandler;
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import org.apache.olingo.server.api.ServiceMetadata;
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import org.apache.olingo.server.api.processor.Processor;
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public class ODataHttpHandlerFactoryImpl implements ODataHttpHandlerFactory {
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private final ODataFactory odataFactory;
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private final CsdlEdmProvider edmProvider;
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private final List<Processor> processors;
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public ODataHttpHandlerFactoryImpl(ODataFactory odataFactory, CsdlEdmProvider edmProvider, List<Processor> processors) {
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this.odataFactory = odataFactory;
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this.edmProvider = edmProvider;
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this.processors = processors;
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}
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@Override
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public ODataHttpHandler newInstance() {
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OData odata = odataFactory.newInstance();
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ServiceMetadata metadata = odata.createServiceMetadata(edmProvider, Collections.emptyList());
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ODataHttpHandler handler = odata.createHandler(metadata);
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// Register all available processors
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processors.forEach(p -> handler.register(p));
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return handler;
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}
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public static class ODataHttpHandlerFactoryImplBuilder {
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private ODataFactory odataFactory;
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private CsdlEdmProvider edmProvider;
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private List<Processor> processors;
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public ODataHttpHandlerFactoryImplBuilder odataFactory(ODataFactory odataFactory) {
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this.odataFactory = odataFactory;
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return this;
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}
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public ODataHttpHandlerFactoryImplBuilder edmProvider(CsdlEdmProvider edmProvider) {
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this.edmProvider = edmProvider;
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return this;
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}
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public ODataHttpHandlerFactoryImplBuilder processors(List<Processor> processors) {
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this.processors = processors;
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return this;
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}
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public ODataHttpHandlerFactoryImpl build() {
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return new ODataHttpHandlerFactoryImpl(odataFactory, edmProvider, processors);
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}
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}
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}
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package org.baeldung.examples.olingo4;
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import java.util.List;
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import javax.persistence.EntityManagerFactory;
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import javax.servlet.http.HttpServlet;
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import org.apache.olingo.commons.api.edm.provider.CsdlEdmProvider;
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import org.apache.olingo.server.api.processor.Processor;
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import org.baeldung.examples.olingo4.ODataHttpHandlerFactoryImpl.ODataHttpHandlerFactoryImplBuilder;
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import org.springframework.boot.web.servlet.ServletRegistrationBean;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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@Configuration
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public class ODataServiceConfiguration {
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@Bean
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public ServletRegistrationBean<HttpServlet> odataServletRegistration(ODataHttpHandlerFactory factory) {
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ServletRegistrationBean<HttpServlet> srb =
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new ServletRegistrationBean<>(new ODataServlet(factory), "/odata/*");
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srb.setLoadOnStartup(1);
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return srb;
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}
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@Bean
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public ODataHttpHandlerFactory httpHandlerFactory(CsdlEdmProvider edmProvider, ODataFactory odataFactory, List<Processor> processors) {
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return new ODataHttpHandlerFactoryImplBuilder()
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.edmProvider(edmProvider)
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.odataFactory(odataFactory)
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.processors(processors)
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.build();
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}
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}
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/**
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*
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*/
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package org.baeldung.examples.olingo4;
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import java.io.IOException;
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import javax.persistence.EntityManager;
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import javax.persistence.EntityManagerFactory;
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import javax.persistence.EntityTransaction;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.olingo.server.api.ODataHttpHandler;
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/**
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* @author Philippe
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*
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*/
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public class ODataServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private final ODataHttpHandlerFactory odataHttpHandlerFactory;
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public ODataServlet(ODataHttpHandlerFactory factory) {
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this.odataHttpHandlerFactory = factory;
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}
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@Override
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protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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ODataHttpHandler handler = odataHttpHandlerFactory.newInstance();
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handler.process(req, resp);
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}
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}
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package org.baeldung.examples.olingo4;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class Olingo4SampleApplication {
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public static void main(String[] args) {
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SpringApplication.run(Olingo4SampleApplication.class, args);
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}
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}
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package org.baeldung.examples.olingo4.domain;
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import java.util.List;
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import javax.persistence.CascadeType;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import javax.persistence.OneToMany;
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import javax.persistence.Table;
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import javax.validation.constraints.NotNull;
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@Entity
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@Table(name = "car_maker")
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public class CarMaker {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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@NotNull
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@Column(name = "name")
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private String name;
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@OneToMany(mappedBy = "maker", orphanRemoval = true, cascade = CascadeType.ALL)
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private List<CarModel> models;
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/**
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* @return the id
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*/
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public Long getId() {
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return id;
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}
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/**
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* @param id the id to set
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*/
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public void setId(Long id) {
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this.id = id;
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}
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/**
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* @return the name
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*/
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public String getName() {
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return name;
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}
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/**
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* @param name the name to set
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*/
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public void setName(String name) {
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this.name = name;
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}
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/**
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* @return the models
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*/
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public List<CarModel> getModels() {
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return models;
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}
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/**
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* @param models the models to set
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*/
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public void setModels(List<CarModel> models) {
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this.models = models;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#hashCode()
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*/
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((id == null) ? 0 : id.hashCode());
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result = prime * result + ((models == null) ? 0 : models.hashCode());
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result = prime * result + ((name == null) ? 0 : name.hashCode());
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return result;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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@Override
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public boolean equals(Object obj) {
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if (this == obj)
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return true;
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if (obj == null)
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return false;
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if (getClass() != obj.getClass())
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return false;
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CarMaker other = (CarMaker) obj;
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if (id == null) {
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if (other.id != null)
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return false;
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} else if (!id.equals(other.id))
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return false;
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if (models == null) {
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if (other.models != null)
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return false;
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} else if (!models.equals(other.models))
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return false;
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if (name == null) {
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if (other.name != null)
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return false;
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} else if (!name.equals(other.name))
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return false;
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return true;
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}
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}
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@ -1,159 +0,0 @@
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package org.baeldung.examples.olingo4.domain;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToOne;
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import javax.persistence.Table;
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import javax.validation.constraints.NotNull;
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@Entity
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@Table(name = "car_model")
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public class CarModel {
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@Id
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@GeneratedValue(strategy = GenerationType.AUTO)
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private Long id;
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@NotNull
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private String name;
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@NotNull
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private Integer year;
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@NotNull
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private String sku;
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@ManyToOne(optional = false, fetch = FetchType.EAGER)
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@JoinColumn(name = "maker_fk")
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private CarMaker maker;
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/**
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* @return the id
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*/
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public Long getId() {
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return id;
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}
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|
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/**
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* @param id the id to set
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*/
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public void setId(Long id) {
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this.id = id;
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}
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/**
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* @return the name
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*/
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public String getName() {
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return name;
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}
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/**
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* @param name the name to set
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*/
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public void setName(String name) {
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this.name = name;
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}
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/**
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* @return the year
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*/
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public Integer getYear() {
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return year;
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}
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/**
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* @param year the year to set
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*/
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public void setYear(Integer year) {
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this.year = year;
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}
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/**
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* @return the sku
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*/
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public String getSku() {
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return sku;
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}
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/**
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* @param sku the sku to set
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*/
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public void setSku(String sku) {
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this.sku = sku;
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}
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/**
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* @return the maker
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*/
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public CarMaker getMaker() {
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return maker;
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}
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/**
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* @param maker the maker to set
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*/
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public void setMaker(CarMaker maker) {
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this.maker = maker;
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}
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/* (non-Javadoc)
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* @see java.lang.Object#hashCode()
|
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*/
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@Override
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime * result + ((id == null) ? 0 : id.hashCode());
|
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result = prime * result + ((maker == null) ? 0 : maker.hashCode());
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result = prime * result + ((name == null) ? 0 : name.hashCode());
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result = prime * result + ((sku == null) ? 0 : sku.hashCode());
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result = prime * result + ((year == null) ? 0 : year.hashCode());
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return result;
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||||
}
|
||||
|
||||
/* (non-Javadoc)
|
||||
* @see java.lang.Object#equals(java.lang.Object)
|
||||
*/
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (this == obj)
|
||||
return true;
|
||||
if (obj == null)
|
||||
return false;
|
||||
if (getClass() != obj.getClass())
|
||||
return false;
|
||||
CarModel other = (CarModel) obj;
|
||||
if (id == null) {
|
||||
if (other.id != null)
|
||||
return false;
|
||||
} else if (!id.equals(other.id))
|
||||
return false;
|
||||
if (maker == null) {
|
||||
if (other.maker != null)
|
||||
return false;
|
||||
} else if (!maker.equals(other.maker))
|
||||
return false;
|
||||
if (name == null) {
|
||||
if (other.name != null)
|
||||
return false;
|
||||
} else if (!name.equals(other.name))
|
||||
return false;
|
||||
if (sku == null) {
|
||||
if (other.sku != null)
|
||||
return false;
|
||||
} else if (!sku.equals(other.sku))
|
||||
return false;
|
||||
if (year == null) {
|
||||
if (other.year != null)
|
||||
return false;
|
||||
} else if (!year.equals(other.year))
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,46 +0,0 @@
|
|||
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())));
|
||||
|
||||
}
|
||||
|
|
@ -1,268 +0,0 @@
|
|||
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(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(attr))
|
||||
.collect(Collectors.toList());
|
||||
|
||||
result.setKey(ids);
|
||||
|
||||
// Process 1:N navs
|
||||
List<CsdlNavigationProperty> navs = et.getDeclaredPluralAttributes()
|
||||
.stream()
|
||||
.filter(attr -> attr.isAssociation())
|
||||
.map(attr -> buildNavAttribute(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 -> buildMany2OneNavAttribute(attr))
|
||||
.collect(Collectors.toList());
|
||||
|
||||
result.getNavigationProperties().addAll(navs2);
|
||||
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
private CsdlProperty buildBasicAttribute(SingularAttribute<?, ?> attr) {
|
||||
|
||||
CsdlProperty p = new CsdlProperty().setName(attr.getName())
|
||||
.setType(typeMapper.java2edm(attr.getJavaType())
|
||||
.getFullQualifiedName())
|
||||
.setNullable(attr.isOptional());
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
private CsdlPropertyRef buildRefAttribute(SingularAttribute<?, ?> attr) {
|
||||
|
||||
CsdlPropertyRef p = new CsdlPropertyRef().setName(attr.getName());
|
||||
return p;
|
||||
}
|
||||
|
||||
// Build NavProperty for 1:N or M:N associations
|
||||
private CsdlNavigationProperty buildNavAttribute(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 buildMany2OneNavAttribute(SingularAttribute<?, ?> attr) {
|
||||
|
||||
CsdlNavigationProperty p = new CsdlNavigationProperty().setName(attr.getName())
|
||||
.setType(new FullQualifiedName(NAMESPACE, attr.getBindableJavaType().getSimpleName()))
|
||||
.setCollection(false)
|
||||
.setNullable(attr.isOptional());
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,161 +0,0 @@
|
|||
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();
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -1,93 +0,0 @@
|
|||
/**
|
||||
*
|
||||
*/
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -1,304 +0,0 @@
|
|||
/**
|
||||
*
|
||||
*/
|
||||
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
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
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;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,22 +0,0 @@
|
|||
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;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,17 +0,0 @@
|
|||
/**
|
||||
*
|
||||
*/
|
||||
package org.baeldung.examples.olingo4.repository;
|
||||
|
||||
|
||||
/**
|
||||
* @author Philippe
|
||||
*
|
||||
*/
|
||||
public interface EdmEntityRepository<E> {
|
||||
|
||||
public String getEdmEntityName();
|
||||
public Class<E> getEntityClass();
|
||||
|
||||
|
||||
}
|
||||
|
|
@ -1,29 +0,0 @@
|
|||
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;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,9 +0,0 @@
|
|||
server:
|
||||
port: 8080
|
||||
|
||||
spring:
|
||||
jpa:
|
||||
show-sql: true
|
||||
open-in-view: true
|
||||
hibernate:
|
||||
ddl-auto: update
|
||||
|
|
@ -1,12 +0,0 @@
|
|||
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;
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
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() {
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue