001/* 
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 *  contributor license agreements.  See the NOTICE file distributed with
004 *  this work for additional information regarding copyright ownership.
005 *  The ASF licenses this file to You under the Apache License, Version 2.0
006 *  (the "License"); you may not use this file except in compliance with
007 *  the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 *  Unless required by applicable law or agreed to in writing, software
012 *  distributed under the License is distributed on an "AS IS" BASIS,
013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 *  See the License for the specific language governing permissions and
015 *  limitations under the License.
016 *
017 */
018
019package org.apache.commons.exec.launcher;
020
021import java.io.File;
022import java.io.IOException;
023import java.util.Map;
024
025import org.apache.commons.exec.CommandLine;
026
027/**
028 * A command launcher for OS/2 that uses 'cmd.exe' when launching commands in
029 * directories other than the current working directory.
030 * <p>
031 * Unlike Windows NT and friends, OS/2's cd doesn't support the /d switch to
032 * change drives and directories in one go.
033 * </p>
034 * Please not that this class is currently unused because the Java13CommandLauncher
035 * is used for 0S/2
036 *
037 * @version $Id: OS2CommandLauncher.java 1557338 2014-01-11 10:34:22Z sebb $
038 */
039public class OS2CommandLauncher extends CommandLauncherProxy {
040
041    public OS2CommandLauncher(final CommandLauncher launcher) {
042        super(launcher);
043    }
044
045    /**
046     * Launches the given command in a new process, in the given working
047     * directory.
048     * 
049     * @param cmd
050     *            the command line to execute as an array of strings
051     * @param env
052     *            the environment to set as an array of strings
053     * @param workingDir
054     *            working directory where the command should run
055     * @throws IOException
056     *             forwarded from the exec method of the command launcher
057     */
058    @Override
059    public Process exec(final CommandLine cmd, final Map<String, String> env,
060            final File workingDir) throws IOException {
061        if (workingDir == null) {
062            return exec(cmd, env);
063        }
064
065        final CommandLine newCmd = new CommandLine("cmd");
066        newCmd.addArgument("/c");
067        newCmd.addArguments(cmd.toStrings());
068
069        return exec(newCmd, env);
070    }
071}