Java tutorial
//package com.java2s; /* * Copyright 2010 Renren, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.URL; import android.os.Bundle; import android.util.Log; public class Main { public static final String LOG_TAG = "Renren-Connect"; public static String openUrl(String url, String method, Bundle params) { if (method.equals("GET")) { url = url + "?" + encodeUrl(params); } String response = ""; try { Log.d(LOG_TAG, method + " URL: " + url); HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection(); conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " RenrenAndroidSDK"); if (!method.equals("GET")) { conn.setRequestMethod("POST"); conn.setDoOutput(true); conn.getOutputStream().write(encodeUrl(params).getBytes("UTF-8")); } response = read(conn.getInputStream()); } catch (Exception e) { Log.e(LOG_TAG, e.getMessage()); throw new RuntimeException(e.getMessage(), e); } return response; } public static String encodeUrl(Bundle parameters) { if (parameters == null) return ""; StringBuilder sb = new StringBuilder(); boolean first = true; for (String key : parameters.keySet()) { if (first) first = false; else sb.append("&"); sb.append(key + "=" + parameters.getString(key)); } return sb.toString(); } private static String read(InputStream in) throws IOException { StringBuilder sb = new StringBuilder(); BufferedReader r = new BufferedReader(new InputStreamReader(in), 1000); for (String line = r.readLine(); line != null; line = r.readLine()) { sb.append(line); } in.close(); return sb.toString(); } }