Jersey是什么
这篇文章主要介绍“Jersey是什么”,在日常操作中,相信很多人在Jersey是什么问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”Jersey是什么”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
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Jersey是个restfull 框架 类似于springmvc
服务端
maven
4.0.0 JERSEY_SERVER JERSEY_SERVER 1.0 com.sun.jersey jersey-server 1.18 com.sun.jersey jersey-grizzly2 1.18 org.apache.maven.plugins maven-shade-plugin 2.3 package shade com.sean.MyResource
代码
package com.sean; import java.io.IOException; import java.net.URI; import java.util.Iterator; 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.MultivaluedMap; 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 @Path("service") public class MyResource { @Path("{sub_path:[a-zA-Z0-9]*}") @GET @Consumes({MediaType.TEXT_PLAIN, MediaType.APPLICATION_JSON}) @Produces(MediaType.TEXT_PLAIN) public String getResourceName( @PathParam("sub_path") String resourceName, @DefaultValue("Just a test!") @QueryParam("desc") String description, @Context Request request, @Context UriInfo uriInfo, @Context HttpHeaders httpHeader) { System.out.println(this.hashCode()); // 将HTTP请求打印出来 System.out.println("****** HTTP request ******"); StringBuilder strBuilder = new StringBuilder(); strBuilder.append(request.getMethod() + " "); strBuilder.append(uriInfo.getRequestUri().toString() + " "); strBuilder.append("HTTP/1.1[\\r\\n]"); System.out.println(strBuilder.toString()); MultivaluedMapheaders = httpHeader.getRequestHeaders(); Iterator iterator = headers.keySet().iterator(); while(iterator.hasNext()){ String headName = iterator.next(); System.out.println(headName + ":" + headers.get(headName) + "[\\r\\n]"); } System.out.println("[\\r\\n]"); String responseStr =resourceName + "[" + description + "]"; return responseStr; } public static void main(String[] args) { URI uri = UriBuilder.fromUri("http://127.0.0.1").port(10000).build(); ResourceConfig rc = new PackagesResourceConfig("com.sean"); try { HttpServer server = GrizzlyServerFactory.createHttpServer(uri, rc); server.start(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (NullPointerException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } try { Thread.sleep(1000*1000); } catch (InterruptedException e) { e.printStackTrace(); } } }
客户端
maven
4.0.0 JERSEY_CLIENT JERSEY_CLIENT 1.0 UTF-8 UTF-8 1.8 1.8 1.8 com.sun.jersey jersey-client 1.18 com.sun.jersey jersey-grizzly2 1.18 org.apache.maven.plugins maven-shade-plugin 2.3 package shade com.sean.JerseyClient
代码
package com.sean; import java.net.URI; import java.util.Iterator; import javax.ws.rs.core.MediaType; import javax.ws.rs.core.MultivaluedMap; import javax.ws.rs.core.UriBuilder; 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 JerseyClient { public static void main(String[] args) { // 要使用Jersey Client API,必须首先创建Client的实例 // 有以下两种创建Client实例的方式 // 方式一 ClientConfig cc = new DefaultClientConfig(); cc.getProperties().put(ClientConfig.PROPERTY_CONNECT_TIMEOUT, 10*1000); // Client实例很消耗系统资源,需要重用 // 创建web资源,创建请求,接受响应都是线程安全的 // 所以Client实例和WebResource实例可以在多个线程间安全的共享 Client client = Client.create(cc); // 方式二 // Client client = Client.create(); // client.setConnectTimeout(10*1000); // client.getProperties().put(ClientConfig.PROPERTY_CONNECT_TIMEOUT, 10*1000); // WebResource将会继承Client中timeout的配置 // WebResource resource = client.resource("http://127.0.0.1:10000/service/sean?desc=description"); // // String str = resource // .accept(MediaType.TEXT_PLAIN) // .type(MediaType.TEXT_PLAIN) // .get(String.class); // System.out.println("String:" + str); URI uri = UriBuilder.fromUri("http://127.0.0.1/service/sean").port(10000) .queryParam("desc", "description").build(); WebResource resource = client.resource(uri); //header方法可用来添加HTTP头 ClientResponse response = resource.header("auth", "123456") .accept(MediaType.TEXT_PLAIN) .type(MediaType.TEXT_PLAIN) .get(ClientResponse.class); // 将HTTP响应打印出来 System.out.println("****** HTTP response ******"); StringBuilder strBuilder = new StringBuilder(); strBuilder.append("HTTP/1.1 "); strBuilder.append(response.getStatus() + " "); strBuilder.append(response.getStatusInfo() + "[\\r\\n]"); System.out.println(strBuilder.toString()); MultivaluedMapheaders = response.getHeaders(); Iterator iterator = headers.keySet().iterator(); while(iterator.hasNext()){ String headName = iterator.next(); System.out.println(headName + ":" + headers.get(headName) + "[\\r\\n]"); } System.out.println("[\\r\\n]"); System.out.println(response.getEntity(String.class) + "[\\r\\n]"); } }
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