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/******************************************************************************* * Copyright (c) 2013 Zheng Sun.//from w ww . j a va2 s .c o m * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html * * Contributors: * Zheng Sun - initial API and implementation ******************************************************************************/ package tv.huohua.peterson.network; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import org.apache.http.Header; import org.apache.http.HeaderElement; import org.apache.http.HttpEntity; import org.apache.http.HttpException; import org.apache.http.HttpRequestInterceptor; import org.apache.http.HttpResponse; import org.apache.http.HttpResponseInterceptor; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.entity.GzipDecompressingEntity; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpDelete; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpPut; import org.apache.http.client.methods.HttpRequestBase; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.protocol.HttpContext; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; final public class NetworkUtils { final private static DefaultHttpClient HTTP_CLIENT; static { synchronized (NetworkUtils.class) { final DefaultHttpClient client = new DefaultHttpClient(); final ClientConnectionManager mgr = client.getConnectionManager(); final HttpParams params = client.getParams(); HttpConnectionParams.setConnectionTimeout(params, 40 * 1000); HttpConnectionParams.setSoTimeout(params, 30 * 1000); HTTP_CLIENT = new DefaultHttpClient(new ThreadSafeClientConnManager(params, mgr.getSchemeRegistry()), params); HTTP_CLIENT.addRequestInterceptor(new HttpRequestInterceptor() { @Override public void process(org.apache.http.HttpRequest request, HttpContext context) throws HttpException, IOException { if (!request.containsHeader("Accept-Encoding")) { request.addHeader("Accept-Encoding", "gzip"); } } }); HTTP_CLIENT.addResponseInterceptor(new HttpResponseInterceptor() { public void process(final HttpResponse response, final HttpContext context) throws HttpException, IOException { final HttpEntity entity = response.getEntity(); final Header encodingHeader = entity.getContentEncoding(); if (encodingHeader != null) { final HeaderElement[] codecs = encodingHeader.getElements(); for (int i = 0; i < codecs.length; i++) { if (codecs[i].getName().equalsIgnoreCase("gzip")) { response.setEntity(new GzipDecompressingEntity(response.getEntity())); return; } } } } }); } } public static Map<String, List<String>> getQueryParams(final String url) { try { final Map<String, List<String>> params = new HashMap<String, List<String>>(); final String[] urlParts = url.split("\\?"); if (urlParts.length > 1) { final String query = urlParts[1]; for (final String param : query.split("&")) { final String[] pair = param.split("="); final String key = URLDecoder.decode(pair[0], "UTF-8"); String value = ""; if (pair.length > 1) { value = URLDecoder.decode(pair[1], "UTF-8"); } List<String> values = params.get(key); if (values == null) { values = new ArrayList<String>(); params.put(key, values); } values.add(value); } } return params; } catch (final UnsupportedEncodingException exception) { return new HashMap<String, List<String>>(); } } public static HttpResponse httpQuery(final HttpRequest request) throws ClientProtocolException, IOException { final HttpRequestBase requestBase; if (request.getHttpMethod().equals(HttpRequest.HTTP_METHOD_GET)) { final StringBuilder builder = new StringBuilder(request.getUrl()); if (request.getParams() != null) { if (!request.getUrl().contains("?")) { builder.append("?"); } else { builder.append("&"); } builder.append(request.getParamsAsString()); } final HttpGet get = new HttpGet(builder.toString()); requestBase = get; } else if (request.getHttpMethod().equals(HttpRequest.HTTP_METHOD_POST)) { final HttpPost post = new HttpPost(request.getUrl()); if (request.getEntity() != null) { post.setEntity(request.getEntity()); } else { post.setEntity(new UrlEncodedFormEntity(request.getParamsAsList(), "UTF-8")); } requestBase = post; } else if (request.getHttpMethod().equals(HttpRequest.HTTP_METHOD_PUT)) { final HttpPut put = new HttpPut(request.getUrl()); if (request.getEntity() != null) { put.setEntity(request.getEntity()); } else { put.setEntity(new UrlEncodedFormEntity(request.getParamsAsList(), "UTF-8")); } requestBase = put; } else if (request.getHttpMethod().equals(HttpRequest.HTTP_METHOD_DELETE)) { final StringBuilder builder = new StringBuilder(request.getUrl()); if (request.getParams() != null) { if (!request.getUrl().contains("?")) { builder.append("?"); } else { builder.append("&"); } builder.append(request.getParamsAsString()); } final HttpDelete delete = new HttpDelete(builder.toString()); requestBase = delete; } else { return null; } if (request.getHeaders() != null) { final Iterator<Map.Entry<String, String>> iterator = request.getHeaders().entrySet().iterator(); while (iterator.hasNext()) { final Map.Entry<String, String> kv = iterator.next(); requestBase.setHeader(kv.getKey(), kv.getValue()); } } return HTTP_CLIENT.execute(requestBase); } public static boolean isNetworkAvailable(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo info = cm.getActiveNetworkInfo(); return (info != null && info.isConnected()); } private NetworkUtils() { } }