| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.tools.ant.taskdefs; |
| |
| import org.apache.tools.ant.*; |
| import java.io.*; |
| |
| /** |
| * Executes a given command if the os platform is appropriate. |
| * |
| * @author duncan@x180.com |
| * @author rubys@us.ibm.com |
| * |
| * @deprected Instead of using this class, please extend ExecTask or |
| * delegate to Execute. |
| */ |
| public class Exec extends Task { |
| private String os; |
| private String out; |
| private File dir; |
| private String command; |
| protected PrintWriter fos = null; |
| private boolean failOnError = false; |
| |
| private static final int BUFFER_SIZE = 512; |
| |
| public void execute() throws BuildException { |
| run(command); |
| } |
| |
| protected int run(String command) throws BuildException { |
| |
| int err = -1; // assume the worst |
| |
| // test if os match |
| String myos = System.getProperty("os.name"); |
| log("Myos = " + myos, Project.MSG_VERBOSE); |
| if ((os != null) && (os.indexOf(myos) < 0)){ |
| // this command will be executed only on the specified OS |
| log("Not found in " + os, Project.MSG_VERBOSE); |
| return 0; |
| } |
| |
| // default directory to the project's base directory |
| if (dir == null) dir = project.getBaseDir(); |
| |
| if (myos.toLowerCase().indexOf("windows") >= 0) { |
| if (!dir.equals(project.resolveFile("."))) { |
| if (myos.toLowerCase().indexOf("nt") >= 0) { |
| command = "cmd /c cd " + dir + " && " + command; |
| } |
| else { |
| String ant = project.getProperty("ant.home"); |
| if (ant == null) { |
| throw new BuildException("Property 'ant.home' not found", location); |
| } |
| |
| String antRun = project.resolveFile(ant + "/bin/antRun.bat").toString(); |
| command = antRun + " " + dir + " " + command; |
| } |
| } |
| } else { |
| String ant = project.getProperty("ant.home"); |
| if (ant == null) throw new BuildException("Property 'ant.home' not found", location); |
| String antRun = project.resolveFile(ant + "/bin/antRun").toString(); |
| |
| command = antRun + " " + dir + " " + command; |
| } |
| |
| try { |
| // show the command |
| log(command, Project.MSG_VERBOSE); |
| |
| // exec command on system runtime |
| Process proc = Runtime.getRuntime().exec(command); |
| |
| if( out!=null ) { |
| fos=new PrintWriter( new FileWriter( out ) ); |
| log("Output redirected to " + out, Project.MSG_VERBOSE); |
| } |
| |
| // copy input and error to the output stream |
| StreamPumper inputPumper = |
| new StreamPumper(proc.getInputStream(), Project.MSG_INFO, this); |
| StreamPumper errorPumper = |
| new StreamPumper(proc.getErrorStream(), Project.MSG_WARN, this); |
| |
| // starts pumping away the generated output/error |
| inputPumper.start(); |
| errorPumper.start(); |
| |
| // Wait for everything to finish |
| proc.waitFor(); |
| inputPumper.join(); |
| errorPumper.join(); |
| proc.destroy(); |
| |
| // close the output file if required |
| logFlush(); |
| |
| // check its exit value |
| err = proc.exitValue(); |
| if (err != 0) { |
| if (failOnError) { |
| throw new BuildException("Exec returned: "+err, location); |
| } else { |
| log("Result: " + err, Project.MSG_ERR); |
| } |
| } |
| } catch (IOException ioe) { |
| throw new BuildException("Error exec: " + command, ioe, location); |
| } catch (InterruptedException ex) {} |
| |
| return err; |
| } |
| |
| public void setDir(String d) { |
| this.dir = project.resolveFile(d); |
| } |
| |
| public void setOs(String os) { |
| this.os = os; |
| } |
| |
| public void setCommand(String command) { |
| this.command = command; |
| } |
| |
| public void setOutput(String out) { |
| this.out = out; |
| } |
| |
| public void setFailonerror(boolean fail) { |
| failOnError = fail; |
| } |
| |
| protected void outputLog(String line, int messageLevel) { |
| if (fos == null) { |
| log(line, messageLevel); |
| } else { |
| fos.println(line); |
| } |
| }; |
| |
| protected void logFlush() { |
| if (fos != null) fos.close(); |
| } |
| |
| // Inner class for continually pumping the input stream during |
| // Process's runtime. |
| class StreamPumper extends Thread { |
| private BufferedReader din; |
| private int messageLevel; |
| private boolean endOfStream = false; |
| private int SLEEP_TIME = 5; |
| private Exec parent; |
| |
| public StreamPumper(InputStream is, int messageLevel, Exec parent) { |
| this.din = new BufferedReader(new InputStreamReader(is)); |
| this.messageLevel = messageLevel; |
| this.parent = parent; |
| } |
| |
| public void pumpStream() |
| throws IOException |
| { |
| byte[] buf = new byte[BUFFER_SIZE]; |
| if (!endOfStream) { |
| String line = din.readLine(); |
| |
| if (line != null) { |
| outputLog(line, messageLevel); |
| } else { |
| endOfStream = true; |
| } |
| } |
| } |
| |
| public void run() { |
| try { |
| try { |
| while (!endOfStream) { |
| pumpStream(); |
| sleep(SLEEP_TIME); |
| } |
| } catch (InterruptedException ie) {} |
| din.close(); |
| } catch (IOException ioe) {} |
| } |
| } |
| } |