Java tutorial
/* * Licensed to Laurent Broudoux (the "Author") under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. Author licenses this * file to you 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 io.github.microcks.web; import io.github.microcks.domain.Operation; import io.github.microcks.domain.Service; import io.github.microcks.repository.ServiceRepository; import io.github.microcks.service.MessageService; import io.github.microcks.service.RequestResponsePair; import io.github.microcks.service.ServiceService; import io.github.microcks.util.EntityAlreadyExistsException; import io.github.microcks.util.IdBuilder; import io.github.microcks.web.dto.GenericResourceServiceDTO; import io.github.microcks.web.dto.ServiceViewDTO; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.domain.PageRequest; import org.springframework.data.domain.Sort; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.*; import org.springframework.web.bind.annotation.RestController; import java.util.HashMap; import java.util.List; import java.util.Map; /** * A Rest controller for API defined on services. * @author laurent */ @RestController @RequestMapping("/api") public class ServiceController { /** A simple logger for diagnostic messages. */ private static Logger log = LoggerFactory.getLogger(ServiceController.class); @Autowired private ServiceService serviceService; @Autowired private ServiceRepository serviceRepository; @Autowired private MessageService messageService; @RequestMapping(value = "/services", method = RequestMethod.GET) public List<Service> listServices(@RequestParam(value = "page", required = false, defaultValue = "0") int page, @RequestParam(value = "size", required = false, defaultValue = "20") int size) { log.debug("Getting service list for page {} and size {}", page, size); return serviceRepository .findAll(new PageRequest(page, size, new Sort(Sort.Direction.ASC, "name", "version"))).getContent(); } @RequestMapping(value = "/services/search", method = RequestMethod.GET) public List<Service> searchServices(@RequestParam(value = "name") String name) { log.debug("Searching services corresponding to {}", name); return serviceRepository.findByNameLike(name); } @RequestMapping(value = "/services/count", method = RequestMethod.GET) public Map<String, Long> countServices() { log.debug("Counting services..."); Map<String, Long> counter = new HashMap<>(); counter.put("counter", serviceRepository.count()); return counter; } @RequestMapping(value = "/services/{id}", method = RequestMethod.GET) public ResponseEntity<?> getService(@PathVariable("id") String serviceId, @RequestParam(value = "messages", required = false, defaultValue = "true") boolean messages) { log.debug("Retrieving service with id {}", serviceId); Service service = serviceRepository.findOne(serviceId); if (messages) { Map<String, List<RequestResponsePair>> messagesMap = new HashMap<String, List<RequestResponsePair>>(); for (Operation operation : service.getOperations()) { List<RequestResponsePair> pairs = messageService .getRequestResponseByOperation(IdBuilder.buildOperationId(service, operation)); messagesMap.put(operation.getName(), pairs); } return new ResponseEntity<>(new ServiceViewDTO(service, messagesMap), HttpStatus.OK); } return new ResponseEntity<>(service, HttpStatus.OK); } @RequestMapping(value = "/services/generic", method = RequestMethod.POST) public ResponseEntity<Service> createGenericResourceService(@RequestBody GenericResourceServiceDTO serviceDTO) { log.debug("Creating a new Service '{}-{}' for generic resource '{}'", serviceDTO.getName(), serviceDTO.getVersion(), serviceDTO.getResource()); try { Service service = serviceService.createGenericResourceService(serviceDTO.getName(), serviceDTO.getVersion(), serviceDTO.getResource()); return new ResponseEntity<>(service, HttpStatus.CREATED); } catch (EntityAlreadyExistsException eaee) { log.error("Service '{}-{} already exists'", serviceDTO.getName(), serviceDTO.getVersion()); return new ResponseEntity<>(HttpStatus.CONFLICT); } } @RequestMapping(value = "/services/{id}/operationDelay", method = RequestMethod.PUT) public ResponseEntity<?> updateServiceOperationDelay(@PathVariable("id") String serviceId, @RequestParam(value = "operationName") String operationName, @RequestParam(value = "delay") Long delay) { log.debug("Updating delay for operation {} of service {}", operationName, serviceId); boolean result = serviceService.updateOperationDelay(serviceId, operationName, delay); if (result) { return new ResponseEntity<>(HttpStatus.OK); } return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR); } }