--- /dev/null
+package de.spring.example.rest.controllers;
+
+import javax.inject.Inject;
+
+import org.resthub.web.controller.ServiceBasedRestController;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import de.spring.example.persistence.domain.AdDescription;
+import de.spring.example.services.AdDescriptionService;
+
+@RestController
+@RequestMapping("/ad-descriptions/")
+public class AdDescriptionController extends ServiceBasedRestController<AdDescription, Long, AdDescriptionService> {
+
+ @Override
+ @Inject
+ public void setService(AdDescriptionService adDescriptionService) {
+ this.service = adDescriptionService;
+ }
+
+ // I do not have to do anything here because all I need is implemented by ServiceBasedRestController :)
+}
--- /dev/null
+package de.spring.example.services.impl;
+
+import javax.inject.Inject;
+import javax.inject.Named;
+
+import org.resthub.common.service.CrudServiceImpl;
+
+import de.spring.example.persistence.domain.AdDescription;
+import de.spring.example.persistence.repository.AdDescriptionRepository;
+import de.spring.example.services.AdDescriptionService;
+
+@Named("adDescriptionService")
+public class AdDescriptionServiceImpl
+ extends CrudServiceImpl<AdDescription, Long, AdDescriptionRepository>
+ implements AdDescriptionService {
+
+ @Override
+ @Inject
+ public void setRepository(AdDescriptionRepository repository) {
+ this.repository = repository;
+ }
+
+ // Extending CrudServiceImpl when we need some business logic. Otherwise we would be using
+ // the JPA repositories and nothing else :)
+
+ // In this case there is any business logic, but this is just an example.
+}
--- /dev/null
+package org.resthub.common.service;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.Assert;
+
+import java.io.Serializable;
+import java.util.Set;
+
+/**
+ * CRUD service that uses a {@link org.springframework.data.repository.PagingAndSortingRepository} Spring Data repository implementation
+ *
+ * You should extend it and inject your Repository bean by overriding {@link #setRepository(org.springframework.data.repository.PagingAndSortingRepository)}
+ *
+ * @param <T> Your resource class to manage, usually an entity class
+ * @param <ID> Resource id type, usually Long or String
+ * @param <R> The repository class
+ */
+@Transactional(readOnly = true)
+public class CrudServiceImpl<T, ID extends Serializable, R extends PagingAndSortingRepository<T, ID>> implements
+ CrudService<T, ID> {
+
+ protected R repository;
+
+ /**
+ * @param repository the repository to set
+ */
+ public void setRepository(R repository) {
+ this.repository = repository;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @Transactional
+ public T create(T resource) {
+ Assert.notNull(resource, "Resource can't be null");
+ return repository.save(resource);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @Transactional
+ public T update(T resource) {
+ Assert.notNull(resource, "Resource can't be null");
+ return repository.save(resource);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @Transactional
+ public void delete(T resource) {
+ Assert.notNull(resource, "Resource can't be null");
+ repository.delete(resource);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @Transactional
+ public void delete(ID id) {
+ Assert.notNull(id, "Resource ID can't be null");
+ repository.delete(id);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @Transactional
+ public void deleteAll() {
+ repository.deleteAll();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @Transactional
+ public void deleteAllWithCascade() {
+ Iterable<T> list = repository.findAll();
+ for (T entity : list) {
+ repository.delete(entity);
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public T findById(ID id) {
+ Assert.notNull(id, "Resource ID can't be null");
+ return repository.findOne(id);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Iterable<T> findByIds(Set<ID> ids) {
+ Assert.notNull(ids, "Resource ids can't be null");
+ return repository.findAll(ids);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Iterable<T> findAll() {
+ return repository.findAll();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @Transactional
+ public Page<T> findAll(Pageable pageRequest) {
+ Assert.notNull(pageRequest, "page request can't be null");
+ return repository.findAll(pageRequest);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Long count() {
+ return repository.count();
+ }
+}
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xmlns:context="http://www.springframework.org/schema/context"
+ xsi:schemaLocation="
+ http://www.springframework.org/schema/beans
+ http://www.springframework.org/schema/beans/spring-beans.xsd
+ http://www.springframework.org/schema/context
+ http://www.springframework.org/schema/context/spring-context.xsd">
+
+ <context:component-scan base-package="de.spring.example.services"/>
+
+</beans>
\ No newline at end of file
projects / JavaForFun / commitdiff