package com.coshaho.learn.jersey;

import java.net.URI;

import javax.ws.rs.Consumes;

import javax.ws.rs.DefaultValue;

import javax.ws.rs.GET;

import javax.ws.rs.Path;

import javax.ws.rs.PathParam;

import javax.ws.rs.Produces;

import javax.ws.rs.QueryParam;

import javax.ws.rs.core.Context;

import javax.ws.rs.core.HttpHeaders;

import javax.ws.rs.core.MediaType;

import javax.ws.rs.core.Request;

import javax.ws.rs.core.UriBuilder;

import javax.ws.rs.core.UriInfo;

import org.glassfish.grizzly.http.server.HttpServer;

import com.sun.jersey.api.container.grizzly2.GrizzlyServerFactory;

import com.sun.jersey.api.core.PackagesResourceConfig;

import com.sun.jersey.api.core.ResourceConfig;

import com.sun.jersey.spi.resource.Singleton;

@Singleton             //@Singleton表示单例模式，@PerRequest每个请求对应一个实例，默认为@PerRequest

@Path("helloWorld")    //服务名称，紧接port/

public class MyJerseyServer

{

    @Path("{sub_path:[a-zA-Z]*}")       //服务子路径，可以使用正则表达式，表示响应子路径为任意字母的请求

    @GET                                //表示接受HTTP GET请求，@POST、@PUT和@DELETE同理

    @Consumes({MediaType.TEXT_PLAIN, MediaType.APPLICATION_JSON})         //接受请求的媒体类型（MIME），不指定则可以接受任务媒体类型

    @Produces(MediaType.TEXT_PLAIN)                                       //定义响应媒体类型（MIME），不指定则可以接受任务媒体类型

    public String sayHelloWorld(

            // 使用路径定义中的sub_path变量

            @PathParam("sub_path") String service,

            // @QueryParam表示接受请求中的参数，@DefaultValue为默认值

            @DefaultValue("coshaho") @QueryParam("name") String name,

            // @Context可以获取请求上下文，包括Application，UriInfo，Request，HttpHeaders，SecurityContext

            @Context Request request,

            @Context UriInfo uriInfo,

            @Context HttpHeaders httpHeader

            )

    {

        System.out.println("Sub path is " + service + ".");

        System.out.println("Name is " + name + ".");

        System.out.println("Request method is " + request.getMethod() + ", url is " + uriInfo.getRequestUri().toString() + ".");

        return "Hello, " + name + ". Service is " + service + ".";

    }

    public static void main(String[] args)

    {

        URI uri = UriBuilder.fromUri("http://127.0.0.1").port(10000).build();

        ResourceConfig rc = new PackagesResourceConfig("com.coshaho.learn.jersey");

        try

        {

            HttpServer server = GrizzlyServerFactory.createHttpServer(uri, rc);

            server.start();

        }

        catch (Exception e)

        {

            e.printStackTrace();

        }

        try

        {

            Thread.sleep(1000*1000);

        }

        catch (InterruptedException e)

        {

            e.printStackTrace();

        }

    }

}

package com.coshaho.learn.jersey;

import java.util.Iterator;

import javax.ws.rs.core.MultivaluedMap;

import com.sun.jersey.api.client.Client;

import com.sun.jersey.api.client.ClientResponse;

import com.sun.jersey.api.client.WebResource;

import com.sun.jersey.api.client.config.ClientConfig;

import com.sun.jersey.api.client.config.DefaultClientConfig;

public class MyJerseyClient

{

    public static void main(String[] args)

    {

        // 创建Jersey Client实例,Client实例很消耗系统资源，需要重用

        ClientConfig cc = new DefaultClientConfig();

        cc.getProperties().put(ClientConfig.PROPERTY_CONNECT_TIMEOUT, 10*1000);

        Client client = Client.create(cc);

        // 创建web资源,是线程安全的，Client实例和WebResource实例可以在多个线程间安全的共享

        WebResource resource = client.resource("http://127.0.0.1:10000/helloWorld/sayHi?name=cauchy");

        /**

         * 另一种请求方法

        URI uri = UriBuilder.fromUri("http://127.0.0.1/helloWorld/sayHello").port(10000)

                .queryParam("name", "coshaho").build();

        resource = client.resource(uri);

        */

        ClientResponse response = resource.get(ClientResponse.class);

         //        将HTTP响应打印出来

        StringBuilder strBuilder = new StringBuilder();

        strBuilder.append("HTTP/1.1 ");

        strBuilder.append(response.getStatus() + " ");

        strBuilder.append(response.getStatusInfo());

        System.out.println(strBuilder.toString());

        System.out.println();

        MultivaluedMap<String, String> headers = response.getHeaders();

        Iterator<String> iterator = headers.keySet().iterator();

        while(iterator.hasNext())

        {

            String headName = iterator.next();

            System.out.println(headName + ":" + headers.get(headName));

        }

        System.out.println();

        System.out.println(response.getEntity(String.class));

    }

}

        <dependency>

            <groupId>com.sun.jersey</groupId>

            <artifactId>jersey-json</artifactId>

            <version>1.18</version>

        </dependency>

           <dependency>

            <groupId>com.sun.jersey</groupId>

            <artifactId>jersey-server</artifactId>

            <version>1.18</version>

        </dependency>

        <dependency>

            <groupId>com.sun.jersey</groupId>

            <artifactId>jersey-grizzly2</artifactId>

            <version>1.18</version>

        </dependency>

        <dependency>

            <groupId>com.sun.jersey</groupId>

            <artifactId>jersey-client</artifactId>

            <version>1.18</version>

        </dependency>

        <dependency>

            <groupId>com.sun.jersey</groupId>

            <artifactId>jersey-grizzly2</artifactId>

            <version>1.18</version>

        </dependency>