Java tutorial
/** * Copyright (C) 2012 TookitForAndroid Project * * 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. */ package com.apkits.android.network; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.util.Map; import org.apache.http.HttpVersion; import org.apache.http.client.HttpClient; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.conn.params.ConnManagerParams; import org.apache.http.conn.scheme.PlainSocketFactory; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.scheme.SchemeRegistry; import org.apache.http.conn.ssl.SSLSocketFactory; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.params.HttpProtocolParams; import org.apache.http.protocol.HTTP; /** * </br><b>name : </b> HttpHelper * </br><b>description :</b>HTTP * </br>@author : * </br><b>e-mail : </b> chenyoca@gmail.com * </br><b>weibo : </b> @ * </br><b>date : </b> 2012-7-8 ?4:29:41 * */ public class HttpConnection { private static final String USER_AGENT = "Mozilla/5.0(Linux;U;Android 2.2.1;en-us;MIUI v4 Build.CHEN) " + "AppleWebKit/553.1(KHTML,like Gecko) Version/4.0 Mobile Safari/533.1"; /** * </br><b>title : </b> HttpClient * </br><b>description :</b>TODO * </br><b>time :</b> 2012-7-10 ?10:49:35 * @param charset * @return */ public static HttpClient createHttpClient(String charset) { HttpParams params = new BasicHttpParams(); HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1); HttpProtocolParams.setContentCharset(params, charset); HttpProtocolParams.setUseExpectContinue(params, true); HttpProtocolParams.setUserAgent(params, USER_AGENT); ConnManagerParams.setTimeout(params, 1 * 1000); HttpConnectionParams.setConnectionTimeout(params, 2 * 1000); HttpConnectionParams.setSoTimeout(params, 4 * 1000); SchemeRegistry schReg = new SchemeRegistry(); schReg.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80)); schReg.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443)); // ??HttpClient ClientConnectionManager conMgr = new ThreadSafeClientConnManager(params, schReg); return new DefaultHttpClient(conMgr, params); } /** * </br><b>title : </b> TODO * </br><b>description :</b>TODO * </br><b>time :</b> 2012-7-10 ?10:52:15 * @return */ public static synchronized HttpClient getHttpClient() { return createHttpClient(HTTP.UTF_8); } public static synchronized HttpClient getHttpClientWithGBK() { return createHttpClient("GBK"); } /** * </br><b>title : </b> ????POST?? * </br><b>description :</b>????POST?? * </br><b>time :</b> 2012-7-8 ?4:30:06 * @param url POSTURL * @param params POSTURL * @return ??? * @throws MalformedURLException * @throws IOException */ public static InputStream post(String url, Map<String, String> params) throws MalformedURLException, IOException { return post(url, params, null); } /** * </br><b>title : </b> ????POST?? * </br><b>description :</b>????POST?? * </br><b>time :</b> 2012-7-8 ?4:33:20 * @param url POSTURL * @param params POST? * @param data ???? * @return ??? * @throws MalformedURLException * @throws IOException */ public static InputStream post(String url, Map<String, String> params, byte[] data) throws MalformedURLException, IOException { if (null != params) { StringBuffer sb = new StringBuffer(); for (Map.Entry<String, String> entry : params.entrySet()) { sb.append(entry.getKey()).append("=").append(entry.getValue()); sb.append("&"); } String param = sb.deleteCharAt(sb.length() - 1).toString(); return connect("POST", new URL(url), param.getBytes(), data); } else { return connect("POST", new URL(url), null, data); } } /** * </br><b>title : </b> ????POST?? * </br><b>description :</b>????POST?? * </br><b>time :</b> 2012-7-8 ?4:34:08 * @param method ?? * @param url POSTURL * @param datas ???? * @return ??? * @throws IOException */ private static InputStream connect(String method, URL url, byte[]... datas) throws IOException { HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoOutput(true); conn.setDoInput(true); conn.setRequestMethod(method); conn.setUseCaches(false); conn.setInstanceFollowRedirects(true); conn.setConnectTimeout(6 * 1000); conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); conn.setRequestProperty("Connection", "Keep-Alive"); conn.setRequestProperty("Charset", "UTF-8"); OutputStream outputStream = conn.getOutputStream(); for (byte[] data : datas) { outputStream.write(data); } outputStream.close(); return conn.getInputStream(); } /** * </br><b>title : </b> ????GET?? * </br><b>description :</b>????GET?? * </br><b>time :</b> 2012-7-8 ?4:35:23 * @param url GETURL * @param params ???? * @return ??? * @throws MalformedURLException * @throws IOException */ public static InputStream get(String url, Map<String, String> params) throws MalformedURLException, IOException { if (null != params) { StringBuffer sb = new StringBuffer(); for (Map.Entry<String, String> entry : params.entrySet()) { sb.append(entry.getKey()).append("=").append(entry.getValue()); sb.append("&"); } String param = sb.deleteCharAt(sb.length() - 1).toString(); return connect("GET", new URL(url), param.getBytes()); } return connect("GET", new URL(url), new byte[] {}); } /** * </br><b>title : </b> ????GET?? * </br><b>description :</b>????GET?? * </br><b>time :</b> 2012-7-8 ?4:35:58 * @param url GETURL * @return ??? * @throws MalformedURLException * @throws IOException */ public static InputStream get(String url) throws MalformedURLException, IOException { return get(url, null); } }