OverthereProcessOutputHandlerWrapper.java

/**
 * Copyright (c) 2008-2016, XebiaLabs B.V., All rights reserved.
 *
 *
 * Overthere is licensed under the terms of the GPLv2
 * <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most XebiaLabs Libraries.
 * There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
 * this software, see the FLOSS License Exception
 * <http://github.com/xebialabs/overthere/blob/master/LICENSE>.
 *
 * 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; version 2
 * of the License.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
 * Floor, Boston, MA 02110-1301  USA
 */
package com.xebialabs.overthere.util;

import com.xebialabs.overthere.OverthereExecutionOutputHandler;
import com.xebialabs.overthere.OverthereProcessOutputHandler;

@SuppressWarnings("deprecation")
public class OverthereProcessOutputHandlerWrapper implements OverthereExecutionOutputHandler {

    private OverthereProcessOutputHandler handler;

    private boolean stdout;

    /**
     * @param handler The handler to wrap.
     * @param stdout  Whether the wrapper is created for stdout (true), or stderr (false).
     */
    public OverthereProcessOutputHandlerWrapper(final OverthereProcessOutputHandler handler, boolean stdout) {
        this.handler = handler;
        this.stdout = stdout;
    }

    @Override
    public void handleChar(final char c) {
        if (stdout) {
            handler.handleOutput(c);
        }
    }

    @Override
    public void handleLine(final String line) {
        if (stdout) {
            handler.handleOutputLine(line);
        } else {
            handler.handleErrorLine(line);
        }
    }

    public static OverthereExecutionOutputHandler wrapStdout(OverthereProcessOutputHandler handler) {
        return new OverthereProcessOutputHandlerWrapper(handler, true);
    }

    public static OverthereExecutionOutputHandler wrapStderr(OverthereProcessOutputHandler handler) {
        return new OverthereProcessOutputHandlerWrapper(handler, false);
    }
}