Examples of org.apache.tools.ant.taskdefs.PumpStreamHandler

org.apache.tools.ant.taskdefs.PumpStreamHandler
Copies standard output and error of subprocesses to standard output and error of the parent process. TODO: standard input of the subprocess is not implemented. @author thomas.haas@softwired-inc.com @since Ant 1.2

   */
  protected int execInOtherVM(String[] args) {
    try {


      Project project = getProject();
      PumpStreamHandler handler = new LogStreamHandler(this, verbose ? Project.MSG_VERBOSE : Project.MSG_INFO,
          Project.MSG_WARN);


      // replace above two lines with what follows as an aid to debugging when running the unit tests....
      // LogStreamHandler handler = new LogStreamHandler(this,
      // Project.MSG_INFO, Project.MSG_WARN) {

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        log("Javadoc execution", Project.MSG_INFO);


        JavadocOutputStream out = new JavadocOutputStream(Project.MSG_INFO);
        JavadocOutputStream err = new JavadocOutputStream(Project.MSG_WARN);
        Execute exe = new Execute(new PumpStreamHandler(out, err));
        exe.setAntRun(getProject());


        /*
         * No reason to change the working directory as all filenames and
         * path components have been resolved already.

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            FileOutputStream fos = new FileOutputStream(tmp);
            tmp2 = new File("pvcs_ant_" + rand.nextLong() + ".log");
            log(commandLine.describeCommand(), Project.MSG_VERBOSE);
            try {
                result = runCmd(commandLine,
                                new PumpStreamHandler(fos,
                                    new LogOutputStream(this,
                                                        Project.MSG_WARN)));
            } finally {
                fos.close();
            }

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            } else if (!quiet) {
                errorstream = new LogOutputStream(this, Project.MSG_WARN);
            } else {
                errorstream = new LogOutputStream(this, Project.MSG_DEBUG);
            }
            streamhandler = new PumpStreamHandler(outputstream, errorstream);
        }


        Execute exe = getExecute(toExecute, streamhandler);
        try {
            log("Building the RPM based on the " + specFile + " file");

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        return names;
    }


    /** execute in a forked VM */
    private int run(String[] command, OutputStream out, OutputStream err) throws IOException {
        PumpStreamHandler psh;
        if (err == null) {
            psh = new PumpStreamHandler(out, bos);
        } else {
            psh = new PumpStreamHandler(out, new TeeOutputStream(err, bos));
        }


        Execute exe = new Execute(psh, null);


        exe.setAntRun(getProject());

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                    throw new BuildException(e, location);
                }
            } else {
                errorstream = new LogOutputStream(this, Project.MSG_WARN);
            }
            streamhandler = new PumpStreamHandler(outputstream, errorstream);
        }


        Execute exe = new Execute(streamhandler, null);


        exe.setAntRun(project);

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            FileOutputStream fos = new FileOutputStream(tmp);
            tmp2 = new File("pvcs_ant_" + rand.nextLong() + ".log");
            log(commandLine.describeCommand(), Project.MSG_VERBOSE);
            try {
                result = runCmd(commandLine, 
                                new PumpStreamHandler(fos, 
                                    new LogOutputStream(this,
                                                        Project.MSG_WARN)));
            } finally {
                fos.close();
            }

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        if (args != null) {
            cmdLine.addAll(args);
        }
        
        ExecuteWatchdog watchdog = new ExecuteWatchdog( timeout );
        ExecuteStreamHandler streamHandler = new PumpStreamHandler( out, out, in );
        Execute exec = new Execute( streamHandler, watchdog );
        exec.setCommandline( cmdLine.toArray(new String[] {}) );
        List<String> env = getCommandEnvironment(command);
        if (!env.isEmpty()) {
            exec.setEnvironment(env.toArray(new String[] {}) );

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                    throw new BuildException(e, getLocation());
                }
            } else {
                errorstream = new LogOutputStream(this, Project.MSG_WARN);
            }
            streamhandler = new PumpStreamHandler(outputstream, errorstream);
        }


        Execute exe = new Execute(streamhandler, null);


        exe.setAntRun(getProject());

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     * @throws BuildException
     * @see org.apache.tools.ant.taskdefs.Execute#execute
     */
    public void start() throws BuildException {
        if (p4input != null && p4input.length() > 0) {
            myHandler = new PumpStreamHandler(new P4OutputStream(this), new P4OutputStream(this),
                new ByteArrayInputStream(p4input.getBytes()));
        } else {
            myHandler = new PumpStreamHandler(new P4OutputStream(this), new P4OutputStream(this));
        }
        myHandler.setProcessInputStream(os);
        myHandler.setProcessErrorStream(es);
        myHandler.setProcessOutputStream(is);
        myHandler.start();

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