调用RESTful GET方法

package restclient;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class RestClient {

    private static final String targetURL = "http://localhost:8080/simple-service-webapp/webapi/myresource";

    public static void main(String[] args) {
        // TODO code application logic here
        try {
            URL restServiceURL = new URL(targetURL);

            HttpURLConnection httpConnection = (HttpURLConnection) restServiceURL.openConnection();
            httpConnection.setRequestMethod("GET");
            httpConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

            if (httpConnection.getResponseCode() != 200) {
                throw new RuntimeException("HTTP GET Request Failed with Error code : " + httpConnection.getResponseCode());
            }

            BufferedReader responseBuffer = new BufferedReader(new InputStreamReader((httpConnection.getInputStream())));

            String output;
            System.out.println("Output from Server:  \n");

            while ((output = responseBuffer.readLine()) != null) {
                System.out.println(output);
            }

            httpConnection.disconnect();

        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }        
    }
}