    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
    018package org.apache.commons.exec.launcher;
    019
    020import java.io.File;
    021import java.io.IOException;
    022import java.util.Map;
    023
    024import org.apache.commons.exec.CommandLine;
    025
    026/**
    027 * A command launcher for OS/2 that uses 'cmd.exe' when launching commands in directories other than the current working directory.
    028 * <p>
    029 * Unlike Windows NT and friends, OS/2's cd doesn't support the /d switch to change drives and directories in one go.
    030 * </p>
    031 * <p>
    032 * Note that this class is currently unused because the Java13CommandLauncher is used for 0S/2.
    033 * </p>
    034 */
    035public class OS2CommandLauncher extends CommandLauncherProxy {
    036
    037    /**
    038     * Constructs a new instance.
    039     *
    040     * @param launcher the command launcher to use.
    041     */
    042    public OS2CommandLauncher(final CommandLauncher launcher) {
    043        super(launcher);
    044    }
    045
    046    /**
    047     * Launches the given command in a new process, in the given working directory.
    048     *
    049     * @param cmd        the command line to execute as an array of strings.
    050     * @param env        the environment to set as an array of strings.
    051     * @param workingDir working directory where the command should run.
    052     * @throws IOException forwarded from the exec method of the command launcher.
    053     */
    054    @Override
    055    public Process exec(final CommandLine cmd, final Map<String, String> env, final File workingDir) throws IOException {
    056        if (workingDir == null) {
    057            return exec(cmd, env);
    058        }
    059        // @formatter:off
    060        return exec(new CommandLine("cmd")
    061                .addArgument("/c")
    062                .addArguments(cmd.toStrings()), env);
    063        // @formatter:on
    064    }
    065}