ch.cyberduck.core.threading.DefaultFailureDiagnostics.java Source code

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Here is the source code for ch.cyberduck.core.threading.DefaultFailureDiagnostics.java

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package ch.cyberduck.core.threading;

/*
 * Copyright (c) 2002-2013 David Kocher. All rights reserved.
 * http://cyberduck.ch/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Bug fixes, suggestions and comments should be sent to:
 * feedback@cyberduck.ch
 */

import ch.cyberduck.core.exception.BackgroundException;
import ch.cyberduck.core.exception.ConnectionRefusedException;
import ch.cyberduck.core.exception.ConnectionTimeoutException;
import ch.cyberduck.core.exception.ResolveFailedException;
import ch.cyberduck.core.exception.SSLNegotiateException;

import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.http.NoHttpResponseException;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.log4j.Logger;

import javax.net.ssl.SSLException;
import java.net.SocketException;
import java.net.SocketTimeoutException;
import java.net.UnknownHostException;
import java.util.concurrent.TimeoutException;

public final class DefaultFailureDiagnostics implements FailureDiagnostics<BackgroundException> {
    private static final Logger log = Logger.getLogger(DefaultFailureDiagnostics.class);

    @Override
    public Type determine(final BackgroundException failure) {
        if (log.isDebugEnabled()) {
            log.debug(String.format("Determine cause for failure %s", failure));
        }
        if (failure instanceof ConnectionTimeoutException) {
            return Type.network;
        }
        if (failure instanceof ConnectionRefusedException) {
            return Type.network;
        }
        if (failure instanceof ResolveFailedException) {
            return Type.network;
        }
        if (failure instanceof SSLNegotiateException) {
            return Type.application;
        }
        for (Throwable cause : ExceptionUtils.getThrowableList(failure)) {
            if (cause instanceof SSLException) {
                return Type.network;
            }
            if (cause instanceof NoHttpResponseException) {
                return Type.network;
            }
            if (cause instanceof ConnectTimeoutException) {
                return Type.network;
            }
            if (cause instanceof SocketException || cause instanceof TimeoutException // Used in Promise#retrieve
                    || cause instanceof SocketTimeoutException || cause instanceof UnknownHostException) {
                return Type.network;
            }
        }
        return Type.application;
    }
}