NetworkExceptionHelper.java

/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. ElasticSearch licenses this
 * file to you 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 org.fastcatsearch.transport;

import java.net.ConnectException;
import java.nio.channels.ClosedChannelException;

/**
 *
 */
public class NetworkExceptionHelper {

    public static boolean isConnectException(Throwable e) {
        if (e instanceof ConnectException) {
            return true;
        }
        return false;
    }

    public static boolean isCloseConnectionException(Throwable e) {
        if (e instanceof ClosedChannelException) {
            return true;
        }
        if (e.getMessage() != null) {
            // UGLY!, this exception messages seems to represent closed connection 
            if (e.getMessage().contains("Connection reset by peer")) {
                return true;
            }
            if (e.getMessage().contains("connection was aborted")) {
                return true;
            }
            if (e.getMessage().contains("forcibly closed")) {
                return true;
            }
            if (e.getMessage().contains("Broken pipe")) {
                return true;
            }
            if (e.getMessage().contains("Connection timed out")) {
                return true;
            }
        }
        return false;
    }
}