| /* |
| * 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.MagicNames; |
| import org.apache.tools.ant.Project; |
| |
| /** |
| * A command launcher that uses an auxiliary perl script to launch |
| * commands in directories other than the current working directory. |
| */ |
| public class PerlScriptCommandLauncher extends CommandLauncherProxy { |
| private final String myScript; |
| |
| public PerlScriptCommandLauncher(String script, CommandLauncher launcher) { |
| super(launcher); |
| myScript = script; |
| } |
| |
| /** |
| * 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 { |
| if (project == null) { |
| if (workingDir == null) { |
| return exec(project, cmd, env); |
| } |
| throw new IOException( |
| "Cannot locate antRun script: No project provided"); |
| } |
| // Locate the auxiliary script |
| String antHome = project.getProperty(MagicNames.ANT_HOME); |
| if (antHome == null) { |
| throw new IOException("Cannot locate antRun script: Property '" |
| + MagicNames.ANT_HOME + "' not found"); |
| } |
| String antRun = FILE_UTILS.resolveFile(project.getBaseDir(), |
| antHome + File.separator |
| + myScript).toString(); |
| |
| // Build the command |
| File commandDir = workingDir; |
| if (workingDir == null) { |
| commandDir = project.getBaseDir(); |
| } |
| // CheckStyle:MagicNumber OFF |
| String[] newcmd = new String[cmd.length + 3]; |
| newcmd[0] = "perl"; |
| newcmd[1] = antRun; |
| newcmd[2] = commandDir.getAbsolutePath(); |
| System.arraycopy(cmd, 0, newcmd, 3, cmd.length); |
| // CheckStyle:MagicNumber ON |
| |
| return exec(project, newcmd, env); |
| } |
| } |