jersey编写restful客户端_webresource.head().getheaders() jersery-优快云博客

本文链接：https://blog.youkuaiyun.com/zhanglu5116/article/details/15337437

本文介绍如何利用Jersey客户端实现HTTP和HTTPS访问，通过资源对象和客户端响应来发送RESTful接口消息，包括配置SSL上下文和主机名验证。

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最近做一个消息发送工具，采用jersery客户端访问restful接口发送消息，消息发送代码记录一下，希望对大家有帮助：

1、http访问

Client c = Client.create();
   WebResource r=c.resource(restfulSendUrl);
   ClientResponse response = r.header("Content-Type", restfulMessageHead).post(ClientResponse.class,message);
   log.info("返回："+response.getEntity(String.class));

2、https访问

public static void sendHttpsMessage() throws Exception{

   HostnameVerifier hv = getHostnameVerifier();
   ClientConfig config = new DefaultClientConfig();
   SSLContext ctx = getSslContext();
   config.getProperties().put( HTTPSProperties.PROPERTY_HTTPS_PROPERTIES,
       new HTTPSProperties( hv, ctx ) );

Client jerseyClient = Client.create( config );

     WebResource wr = jerseyClient.resource( "https://192.168.71.130:9443/loginserver/rest/client/login" );
     ClientResponse cr = wr.header("Content-Type", "application/xml").post(ClientResponse.class,"123");
     String entity = cr.getEntity( String.class );
     System.out.println(entity);
     cr.close();

}

private static HostnameVerifier getHostnameVerifier() {
   HostnameVerifier hv = new HostnameVerifier() {
  @Override
  public boolean verify(String arg0, SSLSession arg1) {
   return true;
  }
   };
   return hv;
}

private static SSLContext getSslContext() throws Exception {
   SSLContext sslContext = SSLContext.getInstance( "SSL" );
   sslContext.init(null, new TrustManager[] {
     new X509TrustManager() {
           public X509Certificate[] getAcceptedIssuers() { return new X509Certificate[0]; }
           public void checkClientTrusted( X509Certificate[] certs, String authType ) {}
           public void checkServerTrusted( X509Certificate[] certs, String authType ) {}
         }

}, new SecureRandom()
);
return sslContext;
}