| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.tools.ant.taskdefs.launcher; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.tools.ant.Project; |
| |
| /** |
| * A command launcher for OS/2 that uses 'cmd.exe' when launching |
| * commands in directories other than the current working directory. |
| * |
| * <p>Unlike Windows NT and friends, OS/2's cd doesn't support the /d |
| * switch to change drives and directories in one go.</p> |
| */ |
| public class OS2CommandLauncher extends CommandLauncherProxy { |
| public OS2CommandLauncher(CommandLauncher launcher) { |
| super(launcher); |
| } |
| |
| /** |
| * Launches the given command in a new process, in the given |
| * working directory. |
| * |
| * @param project |
| * the Ant project. |
| * @param cmd |
| * the command line to execute as an array of strings. |
| * @param env |
| * the environment to set as an array of strings. |
| * @param workingDir |
| * working directory where the command should run. |
| * @return the created Process. |
| * @throws IOException |
| * forwarded from the exec method of the command launcher. |
| */ |
| @Override |
| public Process exec(Project project, String[] cmd, String[] env, |
| File workingDir) throws IOException { |
| File commandDir = workingDir; |
| if (workingDir == null) { |
| if (project != null) { |
| commandDir = project.getBaseDir(); |
| } else { |
| return exec(project, cmd, env); |
| } |
| } |
| // Use cmd.exe to change to the specified drive and |
| // directory before running the command |
| final int preCmdLength = 7; |
| final String cmdDir = commandDir.getAbsolutePath(); |
| String[] newcmd = new String[cmd.length + preCmdLength]; |
| // CheckStyle:MagicNumber OFF - do not bother |
| newcmd[0] = "cmd"; |
| newcmd[1] = "/c"; |
| newcmd[2] = cmdDir.substring(0, 2); |
| newcmd[3] = "&&"; |
| newcmd[4] = "cd"; |
| newcmd[5] = cmdDir.substring(2); |
| newcmd[6] = "&&"; |
| // CheckStyle:MagicNumber ON |
| System.arraycopy(cmd, 0, newcmd, preCmdLength, cmd.length); |
| |
| return exec(project, newcmd, env); |
| } |
| } |