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Moved Building REST API article related code from spring-rest-full to spring-boot-rest module

This commit is contained in:
Ger Roza 2019-01-29 17:04:33 -02:00
parent 04b35f1b68
commit 0b988db96d
12 changed files with 153 additions and 53 deletions
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2
spring-boot-rest/pom.xml
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@ -51,7 +51,6 @@
<dependency>
<groupId>net.sourceforge.htmlunit</groupId>
<artifactId>htmlunit</artifactId>
<version>${htmlunit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
@ -67,7 +66,6 @@
<properties>
<start-class>com.baeldung.SpringBootRestApplication</start-class>
<htmlunit.version>2.32</htmlunit.version>
<guava.version>27.0.1-jre</guava.version>
</properties>
</project>

13
spring-boot-rest/src/main/java/com/baeldung/persistence/IOperations.java
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@ -1,16 +1,29 @@
package com.baeldung.persistence;
import java.io.Serializable;
import java.util.List;
import org.springframework.data.domain.Page;
public interface IOperations<T extends Serializable> {
// read - one
T findOne(final long id);
// read - all
List<T> findAll();
Page<T> findPaginated(int page, int size);
// write
T create(final T entity);
T update(final T entity);
void delete(final T entity);
void deleteById(final long entityId);
}

34
spring-boot-rest/src/main/java/com/baeldung/persistence/service/common/AbstractService.java
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@ -1,6 +1,7 @@
package com.baeldung.persistence.service.common;
import java.io.Serializable;
import java.util.List;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
@ -8,23 +9,54 @@ import org.springframework.data.repository.PagingAndSortingRepository;
import org.springframework.transaction.annotation.Transactional;
import com.baeldung.persistence.IOperations;
import com.google.common.collect.Lists;
@Transactional
public abstract class AbstractService<T extends Serializable> implements IOperations<T> {
// read - one
@Override
@Transactional(readOnly = true)
public T findOne(final long id) {
return getDao().findById(id)
.get();
}
// read - all
@Override
@Transactional(readOnly = true)
public List<T> findAll() {
return Lists.newArrayList(getDao().findAll());
}
@Override
public Page<T> findPaginated(final int page, final int size) {
return getDao().findAll(PageRequest.of(page, size));
}
// write
@Override
public T create(final T entity) {
return getDao().save(entity);
}
@Override
public T update(final T entity) {
return getDao().save(entity);
}
@Override
public void delete(final T entity) {
getDao().delete(entity);
}
@Override
public void deleteById(final long entityId) {
getDao().deleteById(entityId);
}
protected abstract PagingAndSortingRepository<T, Long> getDao();

11
spring-boot-rest/src/main/java/com/baeldung/persistence/service/impl/FooService.java
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@ -1,5 +1,7 @@
package com.baeldung.persistence.service.impl;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
@ -11,6 +13,7 @@ import com.baeldung.persistence.dao.IFooDao;
import com.baeldung.persistence.model.Foo;
import com.baeldung.persistence.service.IFooService;
import com.baeldung.persistence.service.common.AbstractService;
import com.google.common.collect.Lists;
@Service
@Transactional
@ -36,5 +39,13 @@ public class FooService extends AbstractService<Foo> implements IFooService {
public Page<Foo> findPaginated(Pageable pageable) {
return dao.findAll(pageable);
}
// overridden to be secured
@Override
@Transactional(readOnly = true)
public List<Foo> findAll() {
return Lists.newArrayList(getDao().findAll());
}
}

48
spring-boot-rest/src/main/java/com/baeldung/web/controller/FooController.java
View File

@ -9,14 +9,16 @@ import org.springframework.context.ApplicationEventPublisher;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.util.UriComponentsBuilder;
import com.baeldung.persistence.model.Foo;
@ -24,9 +26,11 @@ import com.baeldung.persistence.service.IFooService;
import com.baeldung.web.exception.MyResourceNotFoundException;
import com.baeldung.web.hateoas.event.PaginatedResultsRetrievedEvent;
import com.baeldung.web.hateoas.event.ResourceCreatedEvent;
import com.baeldung.web.hateoas.event.SingleResourceRetrievedEvent;
import com.baeldung.web.util.RestPreconditions;
import com.google.common.base.Preconditions;
@Controller
@RestController
@RequestMapping(value = "/auth/foos")
public class FooController {
@ -42,10 +46,24 @@ public class FooController {
// API
// read - one
@GetMapping(value = "/{id}")
public Foo findById(@PathVariable("id") final Long id, final HttpServletResponse response) {
final Foo resourceById = RestPreconditions.checkFound(service.findOne(id));
eventPublisher.publishEvent(new SingleResourceRetrievedEvent(this, response));
return resourceById;
}
// read - all
@RequestMapping(params = { "page", "size" }, method = RequestMethod.GET)
@ResponseBody
@GetMapping
public List<Foo> findAll() {
return service.findAll();
}
@GetMapping(params = { "page", "size" })
public List<Foo> findPaginated(@RequestParam("page") final int page, @RequestParam("size") final int size,
final UriComponentsBuilder uriBuilder, final HttpServletResponse response) {
final Page<Foo> resultPage = service.findPaginated(page, size);
@ -59,7 +77,6 @@ public class FooController {
}
@GetMapping("/pageable")
@ResponseBody
public List<Foo> findPaginatedWithPageable(Pageable pageable, final UriComponentsBuilder uriBuilder,
final HttpServletResponse response) {
final Page<Foo> resultPage = service.findPaginated(pageable);
@ -74,9 +91,8 @@ public class FooController {
// write
@RequestMapping(method = RequestMethod.POST)
@PostMapping
@ResponseStatus(HttpStatus.CREATED)
@ResponseBody
public Foo create(@RequestBody final Foo resource, final HttpServletResponse response) {
Preconditions.checkNotNull(resource);
final Foo foo = service.create(resource);
@ -86,4 +102,18 @@ public class FooController {
return foo;
}
@PutMapping(value = "/{id}")
@ResponseStatus(HttpStatus.OK)
public void update(@PathVariable("id") final Long id, @RequestBody final Foo resource) {
Preconditions.checkNotNull(resource);
RestPreconditions.checkFound(service.findOne(resource.getId()));
service.update(resource);
}
@DeleteMapping(value = "/{id}")
@ResponseStatus(HttpStatus.OK)
public void delete(@PathVariable("id") final Long id) {
service.deleteById(id);
}
}

22
spring-boot-rest/src/main/java/com/baeldung/web/hateoas/event/SingleResourceRetrievedEvent.java Normal file
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@ -0,0 +1,22 @@
package com.baeldung.web.hateoas.event;
import javax.servlet.http.HttpServletResponse;
import org.springframework.context.ApplicationEvent;
public class SingleResourceRetrievedEvent extends ApplicationEvent {
private final HttpServletResponse response;
public SingleResourceRetrievedEvent(final Object source, final HttpServletResponse response) {
super(source);
this.response = response;
}
// API
public HttpServletResponse getResponse() {
return response;
}
}

34
spring-boot-rest/src/main/java/com/baeldung/web/hateoas/listener/SingleResourceRetrievedDiscoverabilityListener.java Normal file
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@ -0,0 +1,34 @@
package com.baeldung.web.hateoas.listener;
import javax.servlet.http.HttpServletResponse;
import com.baeldung.web.hateoas.event.SingleResourceRetrievedEvent;
import com.baeldung.web.util.LinkUtil;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
import com.google.common.base.Preconditions;
import com.google.common.net.HttpHeaders;
@Component
class SingleResourceRetrievedDiscoverabilityListener implements ApplicationListener<SingleResourceRetrievedEvent> {
@Override
public void onApplicationEvent(final SingleResourceRetrievedEvent resourceRetrievedEvent) {
Preconditions.checkNotNull(resourceRetrievedEvent);
final HttpServletResponse response = resourceRetrievedEvent.getResponse();
addLinkHeaderOnSingleResourceRetrieval(response);
}
void addLinkHeaderOnSingleResourceRetrieval(final HttpServletResponse response) {
final String requestURL = ServletUriComponentsBuilder.fromCurrentRequestUri().build().toUri().toASCIIString();
final int positionOfLastSlash = requestURL.lastIndexOf("/");
final String uriForResourceCreation = requestURL.substring(0, positionOfLastSlash);
final String linkHeaderValue = LinkUtil.createLinkHeader(uriForResourceCreation, "collection");
response.addHeader(HttpHeaders.LINK, linkHeaderValue);
}
}

0
spring-rest-full/.attach_pid28499
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6
spring-rest-full/src/main/java/org/baeldung/persistence/IOperations.java
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@ -16,11 +16,7 @@ public interface IOperations<T extends Serializable> {
// write
T create(final T entity);
T update(final T entity);
void delete(final T entity);
void deleteById(final long entityId);
}

10
spring-rest-full/src/main/java/org/baeldung/persistence/service/common/AbstractService.java
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@ -40,16 +40,6 @@ public abstract class AbstractService<T extends Serializable> implements IOperat
return getDao().save(entity);
}
@Override
public void delete(final T entity) {
getDao().delete(entity);
}
@Override
public void deleteById(final long entityId) {
getDao().delete(entityId);
}
protected abstract PagingAndSortingRepository<T, Long> getDao();
}

12
spring-rest-full/src/main/java/org/baeldung/persistence/service/impl/FooService.java
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@ -1,7 +1,5 @@
package org.baeldung.persistence.service.impl;
import java.util.List;
import org.baeldung.persistence.dao.IFooDao;
import org.baeldung.persistence.model.Foo;
import org.baeldung.persistence.service.IFooService;
@ -11,8 +9,6 @@ import org.springframework.data.repository.PagingAndSortingRepository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.google.common.collect.Lists;
@Service
@Transactional
public class FooService extends AbstractService<Foo> implements IFooService {
@ -38,12 +34,4 @@ public class FooService extends AbstractService<Foo> implements IFooService {
return dao.retrieveByName(name);
}
// overridden to be secured
@Override
@Transactional(readOnly = true)
public List<Foo> findAll() {
return Lists.newArrayList(getDao().findAll());
}
}

14
spring-rest-full/src/main/java/org/baeldung/web/controller/FooController.java
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@ -80,20 +80,6 @@ public class FooController {
return foo;
}
@RequestMapping(value = "/{id}", method = RequestMethod.PUT)
@ResponseStatus(HttpStatus.OK)
public void update(@PathVariable("id") final Long id, @RequestBody final Foo resource) {
Preconditions.checkNotNull(resource);
RestPreconditions.checkFound(service.findOne(resource.getId()));
service.update(resource);
}
@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
@ResponseStatus(HttpStatus.OK)
public void delete(@PathVariable("id") final Long id) {
service.deleteById(id);
}
@RequestMapping(method = RequestMethod.HEAD)
@ResponseStatus(HttpStatus.OK)
public void head(final HttpServletResponse resp) {