Example usage for org.apache.commons.exec PumpStreamHandler PumpStreamHandler

List of usage examples for org.apache.commons.exec PumpStreamHandler PumpStreamHandler

  1. HOME
  2. Java
  3. org.apache.commons
  4. org.apache.commons.exec.*
  5. PumpStreamHandler
  6. PumpStreamHandler

Introduction

In this page you can find the example usage for org.apache.commons.exec PumpStreamHandler PumpStreamHandler.

Prototype

public PumpStreamHandler(final OutputStream out, final OutputStream err)

Source Link

Document

Construct a new PumpStreamHandler.

Usage

From source file:org.rhq.server.control.ControlCommand.java

protected void killPid(String pid) throws IOException {
    Executor executor = new DefaultExecutor();
    executor.setWorkingDirectory(getBinDir());
    PumpStreamHandler streamHandler = new PumpStreamHandler(createNullOutputStream(), createNullOutputStream());
    executor.setStreamHandler(streamHandler);
    org.apache.commons.exec.CommandLine commandLine;

    commandLine = new org.apache.commons.exec.CommandLine("kill").addArgument(pid);
    executor.execute(commandLine);/*from w ww . j a  va 2  s . com*/
}

From source file:org.rhq.server.control.ControlCommand.java

protected boolean isUnixPidRunning(String pid) {

    Executor executor = new DefaultExecutor();
    executor.setWorkingDirectory(getBinDir());
    PumpStreamHandler streamHandler = new PumpStreamHandler(createNullOutputStream(), createNullOutputStream());
    executor.setStreamHandler(streamHandler);
    org.apache.commons.exec.CommandLine commandLine;
    commandLine = new org.apache.commons.exec.CommandLine("kill").addArgument("-0").addArgument(pid);

    boolean isRunning = true; // assume it is running
    try {/*from   w  ww .  j  a v  a 2 s  .c  o  m*/
        int code = executor.execute(commandLine);
        if (code != 0) {
            isRunning = false;
        }
    } catch (ExecuteException ee) {
        log.debug("kill -0 for pid [" + pid + "] threw exception with exit value [" + ee.getExitValue() + "]");
        if (ee.getExitValue() == 1) {
            // return code 1 means process does not exist
            isRunning = false;
        }
    } catch (IOException e) {
        log.error("Checking for running process failed. Will assume it is running. Error: " + e.getMessage());
    }

    log.debug("unix pid [" + pid + "] " + ((isRunning) ? "is" : "is NOT") + " running");
    return isRunning;
}

From source file:org.rhq.storage.installer.StorageInstaller.java

private String exec(File workingDir, org.apache.commons.exec.CommandLine cmdLine) throws Exception {
    Executor executor = new DefaultExecutor();
    org.apache.commons.io.output.ByteArrayOutputStream buffer = new org.apache.commons.io.output.ByteArrayOutputStream();
    NullOutputStream nullOs = new NullOutputStream();
    PumpStreamHandler streamHandler = new PumpStreamHandler(nullOs, buffer);
    executor.setWorkingDirectory(workingDir);
    executor.setStreamHandler(streamHandler);
    String result = "";

    try {//from  w w  w . j  ava  2  s.co  m
        exec(executor, cmdLine);
        result = buffer.toString();

    } finally {
        try {
            buffer.close();
            nullOs.close();
        } catch (Exception e) {
            // best effort
        }
    }

    return result;
}

From source file:org.sakuli.actions.environment.CommandLineUtil.java

static public CommandLineResult runCommand(String command, boolean throwException) throws SakuliException {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    ByteArrayOutputStream error = new ByteArrayOutputStream();
    CommandLineResult result = new CommandLineResult();
    try {// w w  w  .j ava2 s.  co m
        DefaultExecutor executor = new DefaultExecutor();
        executor.setStreamHandler(new PumpStreamHandler(outputStream, error));
        int exitCode = executor.execute(CommandLine.parse(command));
        result.setExitCode(exitCode);
        result.setOutput(error.toString() + outputStream.toString());
    } catch (Exception e) {
        if (throwException) {
            throw new SakuliException(e,
                    String.format("Error during execution of command '%s': %s", command, error.toString()));
        }
        result.setExitCode(resolveExitCode(e.getMessage()));
        result.setOutput(e.getMessage());
    }
    return result;
}

From source file:org.sikuli.natives.CommandExecutorHelper.java

public static CommandExecutorResult execute(String commandString, int expectedExitValue) throws Exception {
    ByteArrayOutputStream error = new ByteArrayOutputStream();
    ByteArrayOutputStream stout = new ByteArrayOutputStream();
    CommandLine cmd = CommandLine.parse(commandString);
    try {/*from  ww  w. j a  va  2  s  . c o m*/
        DefaultExecutor executor = new DefaultExecutor();
        executor.setExitValue(expectedExitValue);
        executor.setStreamHandler(new PumpStreamHandler(stout, error));
        //if exit value != expectedExitValue => Exception
        int exitValue = executor.execute(cmd);
        return new CommandExecutorResult(exitValue, stout.toString(), error.toString());

    } catch (Exception e) {
        int exitValue = -1;
        if (e instanceof ExecuteException) {
            exitValue = ((ExecuteException) e).getExitValue();
        }
        throw new CommandExecutorException("error in command " + cmd.toString(),
                new CommandExecutorResult(exitValue, stout.toString(), error.toString()));
    }
}

From source file:org.springframework.data.release.io.CommonsExecOsCommandOperations.java

private Future<CommandResult> executeCommand(String command, File executionDirectory, boolean silent)
        throws IOException {

    StringWriter writer = new StringWriter();
    DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();

    try (WriterOutputStream outputStream = new WriterOutputStream(writer)) {

        String outerCommand = "/bin/bash -lc";

        CommandLine outer = CommandLine.parse(outerCommand);
        outer.addArgument(command, false);

        DefaultExecutor executor = new DefaultExecutor();
        executor.setWorkingDirectory(executionDirectory);
        executor.setStreamHandler(new PumpStreamHandler(silent ? outputStream : System.out, null));
        executor.execute(outer, ENVIRONMENT, resultHandler);

        resultHandler.waitFor();//from  w w w.  j  a  va 2 s .  c  o  m

    } catch (InterruptedException e) {
        throw new IllegalStateException(e);
    }

    return new AsyncResult<CommandResult>(
            new CommandResult(resultHandler.getExitValue(), writer.toString(), resultHandler.getException()));
}

From source file:org.stanwood.media.info.MediaFileInfoFetcher.java

private String getCommandOutput(boolean captureStdout, boolean captureStderr, boolean failOnExitCode,
        String command, Object... args) throws StanwoodException {
    CommandLine cmdLine = new CommandLine(command);
    for (Object arg : args) {
        if (arg instanceof File) {
            cmdLine.addArgument(((File) arg).getAbsolutePath(), false);
        } else if (arg instanceof String) {
            cmdLine.addArgument((String) arg, false);
        }//from  www  . j  a va  2s.c o  m
    }
    if (log.isDebugEnabled()) {
        log.debug("About to execute: " + cmdLine.toString()); //$NON-NLS-1$
    }
    Executor exec = new DefaultExecutor();
    exec.setExitValues(new int[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 255, -1 });

    try {
        ByteArrayOutputStream capture = new ByteArrayOutputStream();
        OutputStream out;
        if (captureStdout) {
            out = capture;
        } else {
            out = new LoggerOutputStream(Level.INFO);
        }
        OutputStream err;
        ;
        if (captureStderr) {
            err = capture;
        } else {
            err = new LoggerOutputStream(Level.ERROR);
        }
        exec.setStreamHandler(new PumpStreamHandler(out, err));
        int exitCode = exec.execute(cmdLine);
        if (failOnExitCode && exitCode != 0) {
            log.error(capture.toString());
            throw new StanwoodException(MessageFormat
                    .format(Messages.getString("MediaFileInfoFetcher.NON_ZERO"), exitCode, cmdLine.toString())); //$NON-NLS-1$
        }
        return capture.toString();
    } catch (IOException e) {
        throw new StanwoodException(MessageFormat
                .format(Messages.getString("MediaFileInfoFetcher.UnableExecuteSysCmd"), cmdLine.toString()), e); //$NON-NLS-1$
    }
}

From source file:org.stem.ExternalNode.java

private DefaultExecuteResultHandler startStemProcess(CommandLine commandLine, Map env)
        throws MojoExecutionException {
    try {/*from ww w.  j a  v a 2 s  .  c o  m*/
        DefaultExecutor exec = new DefaultExecutor();
        DefaultExecuteResultHandler execHandler = new DefaultExecuteResultHandler();
        exec.setWorkingDirectory(nodeDir);
        exec.setProcessDestroyer(new ShutdownHookProcessDestroyer());

        LogOutputStream stdout = new MavenLogOutputStream(log);
        LogOutputStream stderr = new MavenLogOutputStream(log);

        log.debug("Executing command line: " + commandLine);

        PumpStreamHandler streamHandler = new PumpStreamHandler(stdout, stderr);
        streamHandler.start();
        exec.setStreamHandler(streamHandler);

        exec.execute(commandLine, env, execHandler);
        //            try
        //            {
        //                execHandler.waitFor();
        //            }
        //            catch (InterruptedException e)
        //            {
        //                e.printStackTrace();
        //            }
        return execHandler;
    } catch (IOException e) {
        throw new MojoExecutionException("Command execution failed.", e);
    }
}

From source file:org.waarp.gateway.kernel.exec.ExecuteExecutor.java

public void run() throws Reply421Exception {
    // Check if the execution will be done through LocalExec daemon
    if (AbstractExecutor.useLocalExec) {
        LocalExecClient localExecClient = new LocalExecClient();
        if (localExecClient.connect()) {
            localExecClient.runOneCommand(arg, delay, futureCompletion);
            localExecClient.disconnect();
            return;
        } // else continue
    }//from www.j  a v a2s.c o m
    // Execution is done internally
    File exec = new File(args[0]);
    if (exec.isAbsolute()) {
        if (!exec.canExecute()) {
            logger.error("Exec command is not executable: " + args[0]);
            throw new Reply421Exception("Pre Exec command is not executable");
        }
    }
    CommandLine commandLine = new CommandLine(args[0]);
    for (int i = 1; i < args.length; i++) {
        commandLine.addArgument(args[i]);
    }
    DefaultExecutor defaultExecutor = new DefaultExecutor();
    PumpStreamHandler pumpStreamHandler = new PumpStreamHandler(null, null);
    defaultExecutor.setStreamHandler(pumpStreamHandler);
    int[] correctValues = { 0, 1 };
    defaultExecutor.setExitValues(correctValues);
    ExecuteWatchdog watchdog = null;
    if (delay > 0) {
        watchdog = new ExecuteWatchdog(delay);
        defaultExecutor.setWatchdog(watchdog);
    }
    int status = -1;
    try {
        status = defaultExecutor.execute(commandLine);
    } catch (ExecuteException e) {
        if (e.getExitValue() == -559038737) {
            // Cannot run immediately so retry once
            try {
                Thread.sleep(10);
            } catch (InterruptedException e1) {
            }
            try {
                status = defaultExecutor.execute(commandLine);
            } catch (ExecuteException e2) {
                try {
                    pumpStreamHandler.stop();
                } catch (IOException e1) {
                }
                logger.error("System Exception: " + e.getMessage() + "\n    Exec cannot execute command "
                        + commandLine.toString());
                throw new Reply421Exception("Cannot execute Pre command");
            } catch (IOException e2) {
                try {
                    pumpStreamHandler.stop();
                } catch (IOException e1) {
                }
                logger.error(
                        "Exception: " + e.getMessage() + "\n    Exec in error with " + commandLine.toString());
                throw new Reply421Exception("Cannot execute Pre command");
            }
            logger.info("System Exception: " + e.getMessage() + " but finally get the command executed "
                    + commandLine.toString());
        } else {
            try {
                pumpStreamHandler.stop();
            } catch (IOException e1) {
            }
            logger.error("Exception: " + e.getMessage() + "\n    Exec in error with " + commandLine.toString());
            throw new Reply421Exception("Cannot execute Pre command");
        }
    } catch (IOException e) {
        try {
            pumpStreamHandler.stop();
        } catch (IOException e1) {
        }
        logger.error("Exception: " + e.getMessage() + "\n    Exec in error with " + commandLine.toString());
        throw new Reply421Exception("Cannot execute Pre command");
    }
    try {
        pumpStreamHandler.stop();
    } catch (IOException e1) {
    }
    if (watchdog != null && watchdog.killedProcess()) {
        // kill by the watchdoc (time out)
        logger.error("Exec is in Time Out");
        status = -1;
    }
    if (status == 0) {
        futureCompletion.setSuccess();
        logger.info("Exec OK with {}", commandLine);
    } else if (status == 1) {
        logger.warn("Exec in warning with {}", commandLine);
        futureCompletion.setSuccess();
    } else {
        logger.debug("Status: " + status + (status == -1 ? " Tiemout" : "") + " Exec in error with "
                + commandLine.toString());
        throw new Reply421Exception("Pre command executed in error");
    }
}

From source file:org.waarp.openr66.context.task.ExecMoveTask.java

@Override
public void run() {
    /*// w  w w .  ja  v  a  2 s  . c o  m
     * First apply all replacements and format to argRule from context and argTransfer. Will
     * call exec (from first element of resulting string) with arguments as the following value
     * from the replacements. Return 0 if OK, else 1 for a warning else as an error. The last
     * line of stdout will be the new name given to the R66File in case of status 0. The
     * previous file should be deleted by the script or will be deleted in case of status 0. If
     * the status is 1, no change is made to the file.
     */
    logger.info("ExecMove with " + argRule + ":" + argTransfer + " and {}", session);
    String finalname = argRule;
    finalname = getReplacedValue(finalname, argTransfer.split(" "));
    // Force the WaitForValidation
    waitForValidation = true;
    if (Configuration.configuration.isUseLocalExec() && useLocalExec) {
        LocalExecClient localExecClient = new LocalExecClient();
        if (localExecClient.connect()) {
            localExecClient.runOneCommand(finalname, delay, waitForValidation, futureCompletion);
            LocalExecResult result = localExecClient.getLocalExecResult();
            move(result.getStatus(), result.getResult(), finalname);
            localExecClient.disconnect();
            return;
        } // else continue
    }
    String[] args = finalname.split(" ");
    File exec = new File(args[0]);
    if (exec.isAbsolute()) {
        if (!exec.canExecute()) {
            logger.error("Exec command is not executable: " + finalname);
            R66Result result = new R66Result(session, false, ErrorCode.CommandNotFound, session.getRunner());
            futureCompletion.setResult(result);
            futureCompletion.cancel();
            return;
        }
    }
    CommandLine commandLine = new CommandLine(args[0]);
    for (int i = 1; i < args.length; i++) {
        commandLine.addArgument(args[i]);
    }
    DefaultExecutor defaultExecutor = new DefaultExecutor();
    PipedInputStream inputStream = new PipedInputStream();
    PipedOutputStream outputStream = null;
    try {
        outputStream = new PipedOutputStream(inputStream);
    } catch (IOException e1) {
        try {
            inputStream.close();
        } catch (IOException e) {
        }
        logger.error("Exception: " + e1.getMessage() + " Exec in error with " + commandLine.toString(), e1);
        futureCompletion.setFailure(e1);
        return;
    }
    PumpStreamHandler pumpStreamHandler = new PumpStreamHandler(outputStream, null);
    defaultExecutor.setStreamHandler(pumpStreamHandler);
    int[] correctValues = { 0, 1 };
    defaultExecutor.setExitValues(correctValues);
    ExecuteWatchdog watchdog = null;

    if (delay > 0) {
        watchdog = new ExecuteWatchdog(delay);
        defaultExecutor.setWatchdog(watchdog);
    }
    LastLineReader lastLineReader = new LastLineReader(inputStream);
    Thread thread = new Thread(lastLineReader, "ExecRename" + session.getRunner().getSpecialId());
    thread.setDaemon(true);
    Configuration.configuration.getExecutorService().execute(thread);
    int status = -1;
    try {
        status = defaultExecutor.execute(commandLine);
    } catch (ExecuteException e) {
        if (e.getExitValue() == -559038737) {
            // Cannot run immediately so retry once
            try {
                Thread.sleep(Configuration.RETRYINMS);
            } catch (InterruptedException e1) {
            }
            try {
                status = defaultExecutor.execute(commandLine);
            } catch (ExecuteException e1) {
                try {
                    outputStream.close();
                } catch (IOException e2) {
                }
                thread.interrupt();
                try {
                    inputStream.close();
                } catch (IOException e2) {
                }
                try {
                    pumpStreamHandler.stop();
                } catch (IOException e2) {
                }
                logger.error("ExecuteException: " + e.getMessage() + " . Exec in error with "
                        + commandLine.toString());
                futureCompletion.setFailure(e);
                return;
            } catch (IOException e1) {
                try {
                    outputStream.close();
                } catch (IOException e2) {
                }
                thread.interrupt();
                try {
                    inputStream.close();
                } catch (IOException e2) {
                }
                try {
                    pumpStreamHandler.stop();
                } catch (IOException e2) {
                }
                logger.error(
                        "IOException: " + e.getMessage() + " . Exec in error with " + commandLine.toString());
                futureCompletion.setFailure(e);
                return;
            }
        } else {
            try {
                outputStream.close();
            } catch (IOException e1) {
            }
            thread.interrupt();
            try {
                inputStream.close();
            } catch (IOException e1) {
            }
            try {
                pumpStreamHandler.stop();
            } catch (IOException e2) {
            }
            logger.error(
                    "ExecuteException: " + e.getMessage() + " . Exec in error with " + commandLine.toString());
            futureCompletion.setFailure(e);
            return;
        }
    } catch (IOException e) {
        try {
            outputStream.close();
        } catch (IOException e1) {
        }
        thread.interrupt();
        try {
            inputStream.close();
        } catch (IOException e1) {
        }
        try {
            pumpStreamHandler.stop();
        } catch (IOException e2) {
        }
        logger.error("IOException: " + e.getMessage() + " . Exec in error with " + commandLine.toString());
        futureCompletion.setFailure(e);
        return;
    }
    try {
        outputStream.flush();
    } catch (IOException e) {
    }
    try {
        outputStream.close();
    } catch (IOException e) {
    }
    try {
        pumpStreamHandler.stop();
    } catch (IOException e2) {
    }
    try {
        if (delay > 0) {
            thread.join(delay);
        } else {
            thread.join();
        }
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
    }
    try {
        inputStream.close();
    } catch (IOException e1) {
    }
    String newname = null;
    if (defaultExecutor.isFailure(status) && watchdog != null && watchdog.killedProcess()) {
        // kill by the watchdoc (time out)
        status = -1;
        newname = "TimeOut";
    } else {
        newname = lastLineReader.getLastLine();
        if (status == 0 && (newname == null || newname.isEmpty())) {
            status = 1;
        }
    }
    move(status, newname, commandLine.toString());
}