Java tutorial
/* * Copyright 2013-2014 ReConf Team * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package reconf.server.services.component; import java.util.*; import javax.servlet.http.*; import org.springframework.beans.factory.annotation.*; import org.springframework.http.*; import org.springframework.security.core.*; import org.springframework.transaction.annotation.*; import org.springframework.web.bind.annotation.*; import reconf.server.domain.*; import reconf.server.domain.result.*; import reconf.server.repository.*; import reconf.server.services.*; @CrudService public class ReadAllComponentsService { @Autowired ComponentRepository components; @Autowired ProductRepository products; @RequestMapping(value = "/product/{prod}/component", method = RequestMethod.GET) @Transactional(readOnly = true) public ResponseEntity<AllComponentsResult> doIt(@PathVariable("prod") String productId, HttpServletRequest request, Authentication auth) { Product fromRequest = new Product(productId); List<String> errors = DomainValidator.checkForErrors(fromRequest); if (!errors.isEmpty()) { return new ResponseEntity<AllComponentsResult>(new AllComponentsResult(productId, errors), HttpStatus.BAD_REQUEST); } Product dbProduct = products.findOne(fromRequest.getName()); if (dbProduct == null) { return new ResponseEntity<AllComponentsResult>(new AllComponentsResult(productId, Product.NOT_FOUND), HttpStatus.NOT_FOUND); } List<ComponentResult> result = new ArrayList<>(); for (Component component : components.findByKeyProductOrderByKeyNameAsc(dbProduct.getName())) { result.add(new ComponentResult(component, CrudServiceUtils.getBaseUrl(request))); } return new ResponseEntity<AllComponentsResult>( new AllComponentsResult(dbProduct, result, CrudServiceUtils.getBaseUrl(request)), HttpStatus.OK); } }