Java tutorial
/** * Copyright (c) 2012 Lightbox * * 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.lightbox.android.network; import java.net.SocketTimeoutException; import java.net.UnknownHostException; import javax.net.ssl.SSLPeerUnverifiedException; import org.apache.http.conn.ConnectionPoolTimeoutException; import org.apache.http.conn.HttpHostConnectException; /** * NetworkUtils * @author Fabien Devos */ public final class NetworkUtils { /** Used to tag logs */ @SuppressWarnings("unused") private static final String TAG = "NetworkUtils"; //------------------------------------------------------ // Private constructor for utility class private NetworkUtils() { throw new UnsupportedOperationException("Sorry, you cannot instantiate an utility class!"); } //------------------------------------------------------ public static boolean isNetworkException(Exception e) { return e instanceof UnknownHostException || e instanceof SocketTimeoutException || e instanceof HttpHostConnectException || e instanceof ConnectionPoolTimeoutException || e instanceof SSLPeerUnverifiedException; } }