Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package postenergy; /** * Yahoo! Web Services Example: search API via POST * * @author Daniel Jones www.danieljones.org * Copyright 2007 Daniel Jones * * This example illustrates how to perform a web service request via HTTP POST. * See the YahooWebServiceGet example if you want to include all named parameters * in the URL as a GET request. */ import java.io.*; import org.apache.http.HttpHost; import org.apache.http.HttpRequest; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.client.*; import org.apache.http.client.methods.HttpUriRequest; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.params.HttpParams; import org.apache.http.protocol.HttpContext; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; public class TestHttpClient { public static void main(String[] args) { HttpClient client = new DefaultHttpClient(); HttpPost post = new HttpPost("https://www.google.com/accounts/ClientLogin"); try { List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1); nameValuePairs.add(new BasicNameValuePair("Email", "youremail")); nameValuePairs.add(new BasicNameValuePair("Passwd", "yourpassword")); nameValuePairs.add(new BasicNameValuePair("accountType", "GOOGLE")); nameValuePairs.add(new BasicNameValuePair("source", "Google-cURL-Example")); nameValuePairs.add(new BasicNameValuePair("service", "ac2dm")); post.setEntity(new UrlEncodedFormEntity(nameValuePairs)); HttpResponse response = client.execute(post); BufferedReader rd = new BufferedReader(new InputStreamReader(response.getEntity().getContent())); String line = ""; while ((line = rd.readLine()) != null) { System.out.println(line); if (line.startsWith("Auth=")) { String key = line.substring(5); // do something with the key } } } catch (IOException e) { e.printStackTrace(); } } }