基于jersey的Rest风格学习笔记1

约定：

使用RestClient对代码进行测试，下载地址：
https://addons.mozilla.org/en-US/firefox/addon/restclient/versions/?page=1#version-1.3.5
资源类：

package com.lemon.resource;
import java.util.ArrayList;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import com.lemon.manager.UserInfoManager;
import com.lemon.model.UserInfoModel;

@Path("/user")
public class UserInfoResource {

@GET
@Path("/{userId}/get")
@Produces({"application/xml", "application/json"})
public UserInfoModel getUser(@PathParam("userId") String userId){
UserInfoManager manager=new UserInfoManager();
return manager.getUser(userId);
}

@GET
@Path("/users")
@Produces({"application/xml", "application/json"})
public ArrayList<UserInfoModel> listUser(){
UserInfoManager manager=new UserInfoManager();
return manager.listAllUser();
}

@PUT
@Path("/update")
@Produces( { MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
@Consumes( { MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public UserInfoModel updateUser(UserInfoModel user){
UserInfoManager manager=new UserInfoManager();
return manager.updateUser(user);
}

@POST
@Path("/create")
@Produces( { MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
@Consumes( { MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON })
public UserInfoModel createUser(UserInfoModel user){
UserInfoManager manager=new UserInfoManager();
return manager.createUser(user);
}

@DELETE
@Path("/{userId}/del")
@Produces( { "application/xml", "application/json" })
public Response deleteUser(@PathParam("userId")String userId){
UserInfoManager manager=new UserInfoManager();
manager.deleteUser(userId);
return Response.ok().build();
}

}

Model类：

package com.lemon.model;

import java.sql.Timestamp;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlAccessType;
import com.lemon.util.TimeUtil;
@XmlRootElement(name="userInfoModel")
@XmlAccessorType(XmlAccessType.NONE)
public class UserInfoModel {
private Integer userId;
private String userName;
private Timestamp birthday;
public UserInfoModel() {
}
public UserInfoModel(Integer userId, String userName, Timestamp birthday) {
this.userId = userId;
this.userName = userName;
this.birthday = birthday;
}
@XmlElement
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
@XmlElement
public Integer getUserId() {
return userId;
}
public void setUserId(Integer userId) {
this.userId = userId;
}

public Timestamp getBirthday() {
return birthday;
}
public void setBirthday(Timestamp birthday) {
this.birthday = birthday;
}
@XmlElement(name="birthday")
public String getBirthdayStr() throws Exception{
if(birthday!=null){
return TimeUtil.getDateString(birthday.getTime());
}
return null;
}

}

TimeUtil类：

package com.lemon.util;

import java.text.SimpleDateFormat;
import java.util.Date;

public class TimeUtil {
public static String getDateString(long timeMillis) {

SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = new Date(timeMillis);
String mydate = format.format(date);
return mydate;
}
}

web.xml配置：

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<!-- configuration for Rest begin -->
<servlet>
<servlet-name>GeneralRestServlet</servlet-name>
<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
</servlet>
<servlet>
<servlet-name>DojoRestServlet</servlet-name>
<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>GeneralRestServlet</servlet-name>
<url-pattern>/rest/general/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>DojoRestServlet</servlet-name>
<url-pattern>/rest/dojo/*</url-pattern>
</servlet-mapping>
<!-- configuration for Rest end -->
</web-app>

在测试之前，需要设置下RestClient的Http请求报头：

Content-type:application/xml