diff --git a/spring-boot-rest/pom.xml b/spring-boot-rest/pom.xml index cf4ac0371b..3c8c4d7486 100644 --- a/spring-boot-rest/pom.xml +++ b/spring-boot-rest/pom.xml @@ -51,7 +51,6 @@ net.sourceforge.htmlunit htmlunit - ${htmlunit.version} test @@ -67,7 +66,6 @@ com.baeldung.SpringBootRestApplication - 2.32 27.0.1-jre diff --git a/spring-boot-rest/src/main/java/com/baeldung/persistence/IOperations.java b/spring-boot-rest/src/main/java/com/baeldung/persistence/IOperations.java index d8996ca50d..1cc732ab08 100644 --- a/spring-boot-rest/src/main/java/com/baeldung/persistence/IOperations.java +++ b/spring-boot-rest/src/main/java/com/baeldung/persistence/IOperations.java @@ -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 { + // read - one + + T findOne(final long id); + // read - all + List findAll(); + Page 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); } diff --git a/spring-boot-rest/src/main/java/com/baeldung/persistence/service/common/AbstractService.java b/spring-boot-rest/src/main/java/com/baeldung/persistence/service/common/AbstractService.java index 871f768895..5900c443b8 100644 --- a/spring-boot-rest/src/main/java/com/baeldung/persistence/service/common/AbstractService.java +++ b/spring-boot-rest/src/main/java/com/baeldung/persistence/service/common/AbstractService.java @@ -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 implements IOperations { + // 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 findAll() { + return Lists.newArrayList(getDao().findAll()); + } + @Override public Page 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 getDao(); diff --git a/spring-boot-rest/src/main/java/com/baeldung/persistence/service/impl/FooService.java b/spring-boot-rest/src/main/java/com/baeldung/persistence/service/impl/FooService.java index 9d705f51d3..299e5ec214 100644 --- a/spring-boot-rest/src/main/java/com/baeldung/persistence/service/impl/FooService.java +++ b/spring-boot-rest/src/main/java/com/baeldung/persistence/service/impl/FooService.java @@ -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 implements IFooService { public Page findPaginated(Pageable pageable) { return dao.findAll(pageable); } + + // overridden to be secured + + @Override + @Transactional(readOnly = true) + public List findAll() { + return Lists.newArrayList(getDao().findAll()); + } } diff --git a/spring-boot-rest/src/main/java/com/baeldung/web/controller/FooController.java b/spring-boot-rest/src/main/java/com/baeldung/web/controller/FooController.java index b35295cf99..59e33263db 100644 --- a/spring-boot-rest/src/main/java/com/baeldung/web/controller/FooController.java +++ b/spring-boot-rest/src/main/java/com/baeldung/web/controller/FooController.java @@ -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 findAll() { + return service.findAll(); + } + + @GetMapping(params = { "page", "size" }) public List findPaginated(@RequestParam("page") final int page, @RequestParam("size") final int size, final UriComponentsBuilder uriBuilder, final HttpServletResponse response) { final Page resultPage = service.findPaginated(page, size); @@ -59,7 +77,6 @@ public class FooController { } @GetMapping("/pageable") - @ResponseBody public List findPaginatedWithPageable(Pageable pageable, final UriComponentsBuilder uriBuilder, final HttpServletResponse response) { final Page 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); + } } diff --git a/spring-boot-rest/src/main/java/com/baeldung/web/hateoas/event/SingleResourceRetrievedEvent.java b/spring-boot-rest/src/main/java/com/baeldung/web/hateoas/event/SingleResourceRetrievedEvent.java new file mode 100644 index 0000000000..70face083c --- /dev/null +++ b/spring-boot-rest/src/main/java/com/baeldung/web/hateoas/event/SingleResourceRetrievedEvent.java @@ -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; + } + +} \ No newline at end of file diff --git a/spring-boot-rest/src/main/java/com/baeldung/web/hateoas/listener/SingleResourceRetrievedDiscoverabilityListener.java b/spring-boot-rest/src/main/java/com/baeldung/web/hateoas/listener/SingleResourceRetrievedDiscoverabilityListener.java new file mode 100644 index 0000000000..d527c308b9 --- /dev/null +++ b/spring-boot-rest/src/main/java/com/baeldung/web/hateoas/listener/SingleResourceRetrievedDiscoverabilityListener.java @@ -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 { + + @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); + } + +} \ No newline at end of file diff --git a/spring-rest-full/.attach_pid28499 b/spring-rest-full/.attach_pid28499 deleted file mode 100644 index e69de29bb2..0000000000 diff --git a/spring-rest-full/src/main/java/org/baeldung/persistence/IOperations.java b/spring-rest-full/src/main/java/org/baeldung/persistence/IOperations.java index 8c5593c3e8..0b617bf7ab 100644 --- a/spring-rest-full/src/main/java/org/baeldung/persistence/IOperations.java +++ b/spring-rest-full/src/main/java/org/baeldung/persistence/IOperations.java @@ -16,11 +16,7 @@ public interface IOperations { // write T create(final T entity); - + T update(final T entity); - void delete(final T entity); - - void deleteById(final long entityId); - } diff --git a/spring-rest-full/src/main/java/org/baeldung/persistence/service/common/AbstractService.java b/spring-rest-full/src/main/java/org/baeldung/persistence/service/common/AbstractService.java index 59ccea8b12..059516eeba 100644 --- a/spring-rest-full/src/main/java/org/baeldung/persistence/service/common/AbstractService.java +++ b/spring-rest-full/src/main/java/org/baeldung/persistence/service/common/AbstractService.java @@ -40,16 +40,6 @@ public abstract class AbstractService 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 getDao(); } diff --git a/spring-rest-full/src/main/java/org/baeldung/persistence/service/impl/FooService.java b/spring-rest-full/src/main/java/org/baeldung/persistence/service/impl/FooService.java index d46f1bfe90..32fe1bd7e0 100644 --- a/spring-rest-full/src/main/java/org/baeldung/persistence/service/impl/FooService.java +++ b/spring-rest-full/src/main/java/org/baeldung/persistence/service/impl/FooService.java @@ -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 implements IFooService { @@ -38,12 +34,4 @@ public class FooService extends AbstractService implements IFooService { return dao.retrieveByName(name); } - // overridden to be secured - - @Override - @Transactional(readOnly = true) - public List findAll() { - return Lists.newArrayList(getDao().findAll()); - } - } diff --git a/spring-rest-full/src/main/java/org/baeldung/web/controller/FooController.java b/spring-rest-full/src/main/java/org/baeldung/web/controller/FooController.java index 443d0908ee..2e4dbcacc9 100644 --- a/spring-rest-full/src/main/java/org/baeldung/web/controller/FooController.java +++ b/spring-rest-full/src/main/java/org/baeldung/web/controller/FooController.java @@ -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) {