/*******************************************************************************
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* Copyright (c) 2005, 2014 springside.github.io
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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*******************************************************************************/
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package com.northglass.rest;
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import java.net.URI;
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import java.util.List;
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import javax.validation.Validator;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.ResponseStatus;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.util.UriComponentsBuilder;
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import com.northglass.entity.Task;
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import com.northglass.service.task.TaskService;
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import org.springside.modules.beanvalidator.BeanValidators;
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import org.springside.modules.web.MediaTypes;
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/**
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* Task的Restful API的Controller.
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*
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* @author calvin
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*/
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@RestController
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@RequestMapping(value = "/api/v1/task")
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public class TaskRestController {
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private static Logger logger = LoggerFactory.getLogger(TaskRestController.class);
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@Autowired
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private TaskService taskService;
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@Autowired
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private Validator validator;
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@RequestMapping(method = RequestMethod.GET, produces = MediaTypes.JSON_UTF_8)
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public List<Task> list() {
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return taskService.getAllTask();
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}
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@RequestMapping(value = "/{id}", method = RequestMethod.GET, produces = MediaTypes.JSON_UTF_8)
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public Task get(@PathVariable("id") Long id) {
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Task task = taskService.getTask(id);
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if (task == null) {
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String message = "任务不存在(id:" + id + ")";
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logger.warn(message);
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throw new RestException(HttpStatus.NOT_FOUND, message);
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}
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return task;
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}
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@RequestMapping(method = RequestMethod.POST, consumes = MediaTypes.JSON)
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public ResponseEntity<?> create(@RequestBody Task task, UriComponentsBuilder uriBuilder) {
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// 调用JSR303 Bean Validator进行校验, 异常将由RestExceptionHandler统一处理.
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BeanValidators.validateWithException(validator, task);
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// 保存任务
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taskService.saveTask(task);
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// 按照Restful风格约定，创建指向新任务的url, 也可以直接返回id或对象.
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Long id = task.getId();
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URI uri = uriBuilder.path("/api/v1/task/" + id).build().toUri();
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HttpHeaders headers = new HttpHeaders();
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headers.setLocation(uri);
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return new ResponseEntity(headers, HttpStatus.CREATED);
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}
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@RequestMapping(value = "/{id}", method = RequestMethod.PUT, consumes = MediaTypes.JSON)
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// 按Restful风格约定，返回204状态码, 无内容. 也可以返回200状态码.
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@ResponseStatus(HttpStatus.NO_CONTENT)
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public void update(@RequestBody Task task) {
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// 调用JSR303 Bean Validator进行校验, 异常将由RestExceptionHandler统一处理.
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BeanValidators.validateWithException(validator, task);
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// 保存任务
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taskService.saveTask(task);
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}
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@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
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@ResponseStatus(HttpStatus.NO_CONTENT)
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public void delete(@PathVariable("id") Long id) {
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taskService.deleteTask(id);
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}
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}
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