    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
    019    package org.apache.commons.exec.launcher;
    020
    021    import java.io.File;
    022    import java.io.IOException;
    023    import java.util.Map;
    024
    025    import 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    public class OS2CommandLauncher extends CommandLauncherProxy {
    038
    039        public OS2CommandLauncher(final CommandLauncher launcher) {
    040            super(launcher);
    041        }
    042
    043        /**
    044         * Launches the given command in a new process, in the given working
    045         * directory.
    046         *
    047         * @param cmd
    048         *            the command line to execute as an array of strings
    049         * @param env
    050         *            the environment to set as an array of strings
    051         * @param workingDir
    052         *            working directory where the command should run
    053         * @throws IOException
    054         *             forwarded from the exec method of the command launcher
    055         */
    056        public Process exec(final CommandLine cmd, final Map env,
    057                final File workingDir) throws IOException {
    058            if (workingDir == null) {
    059                return exec(cmd, env);
    060            }
    061
    062            CommandLine newCmd = new CommandLine("cmd");
    063            newCmd.addArgument("/c");
    064            newCmd.addArguments(cmd.toStrings());
    065
    066            return exec(newCmd, env);
    067        }
    068    }