Example usage for org.apache.commons.exec DefaultExecutor setStreamHandler

Introduction

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

Prototype

public void setStreamHandler(final ExecuteStreamHandler streamHandler) 

Source Link

Usage

From source file:org.eclipse.kura.linux.net.modem.SupportedUsbModems.java

/**
 * Execute command an return splitted lines
 *
 * @param command// w w  w  . j a  va  2s.c o  m
 *            the command to execute
 * @return the lines output by the command
 * @throws IOException
 *             if executing the commands fails
 */
private static List<String> execute(final String command) throws ExecuteException, IOException {
    final DefaultExecutor executor = new DefaultExecutor();

    final ByteArrayOutputStream out = new ByteArrayOutputStream();
    executor.setStreamHandler(new PumpStreamHandler(out, NullOutputStream.NULL_OUTPUT_STREAM));

    int rc = executor.execute(CommandLine.parse(command));

    s_logger.debug("Called {} - rc = {}", command, rc);

    return IOUtils.readLines(new ByteArrayInputStream(out.toByteArray()));
}

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From source file:org.estatio.webapp.services.other.EstatioOtherServices.java

@Programmatic
String execute(String command) {

    int exitValue = 1;
    CommandLine commandLine = CommandLine.parse(command);
    DefaultExecutor executor = new DefaultExecutor();
    executor.setExitValue(0);//  ww w.j  a v a  2  s. c o  m
    ExecuteStreamHandler handler = executor.getStreamHandler();

    ByteArrayOutputStream stdout = new ByteArrayOutputStream();
    PumpStreamHandler psh = new PumpStreamHandler(stdout);
    executor.setStreamHandler(psh);

    try {
        handler.setProcessOutputStream(System.in);
    } catch (IOException e) {

    }

    try {
        exitValue = executor.execute(commandLine);
    } catch (ExecuteException e) {
        return e.getMessage();
    } catch (IOException e) {
        return e.getMessage();
    }
    return stdout.toString();
}

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From source file:org.evosuite.utils.ProcessLauncher.java

public int launchNewProcess(File baseDir, String cmdString, int timeout)
        throws IOException, ProcessTimeoutException {

    DefaultExecutor executor = new DefaultExecutor();
    ExecuteWatchdog timeoutWatchdog = new ExecuteWatchdog(timeout);
    executor.setWatchdog(timeoutWatchdog);

    PumpStreamHandler streamHandler = new PumpStreamHandler(this.outAndErr, this.outAndErr, this.input);
    executor.setStreamHandler(streamHandler);
    if (baseDir != null) {
        executor.setWorkingDirectory(baseDir);
    }/*from www .ja v a  2 s.  c o  m*/

    int exitValue;
    try {
        logger.debug("About to execute command " + cmdString);
        exitValue = executor.execute(CommandLine.parse(cmdString));
        if (executor.isFailure(exitValue) && timeoutWatchdog.killedProcess()) {
            // it was killed on purpose by the watchdog
            logger.debug("A timeout occured while executing a process");
            logger.debug("The command is " + cmdString);
            throw new ProcessTimeoutException("A timeout occurred while executing command " + cmdString);
        }

        return exitValue;
    } catch (ExecuteException e) {
        if (timeoutWatchdog.killedProcess()) {
            logger.debug("A timeout occured while executing a process");
            logger.debug("The command is " + cmdString);
            throw new ProcessTimeoutException("A timeout occurred while executing command " + cmdString);
        } else {
            throw e;
        }

    }

}

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From source file:org.excalibur.service.aws.CommandExample.java

public static void main(String[] args) throws ExecuteException, IOException, InterruptedException {
    CommandLine command = new CommandLine("/bin/bash");
    command.addArgument("-c", false);
    command.addArgument("iperf3 -t 30 -c iperf.scottlinux.com >> output.txt", false);

    //Process process = Runtime.getRuntime().exec(new String[]{"bash", "-c", "iperf3 -t 60 -c localhost"});
    // System.out.println(new Mirror().on(process).get().field("pid"));

    //process.waitFor();

    //        System.out.println(process.exitValue());
    //        ManagementFactory.getRuntimeMXBean().getName();  
    //        System.out.println(IOUtils.readLines(process.getInputStream()));

    //String command = "iperf3 -t 30 -c iperf.scottlinux.com";

    ExecuteWatchdog watchdog = new ExecuteWatchdog(10);

    final DefaultExecutor executor = new DefaultExecutor();
    executor.setStreamHandler(new PumpStreamHandler());
    executor.setExitValue(1);//from  w  w  w  .j  a v  a  2 s  .  co m

    executor.execute(command, new ExecuteResultHandler() {
        @Override
        public void onProcessFailed(ExecuteException e) {
            e.printStackTrace();
        }

        @Override
        public void onProcessComplete(int exitValue) {
            System.out.println(exitValue);
        }
    });
}

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From source file:org.fuin.esmp.EventStorePostStartMojo.java

@Override
protected final void executeGoal() throws MojoExecutionException {
    if (postStartCommand == null) {
        throw new MojoExecutionException("postStartCommand not set");
    }/*from   ww w.  ja  v  a  2  s.com*/
    LOG.info("postStartCommand={}", postStartCommand);

    final CommandLine cmdLine = new CommandLine(postStartCommand);
    final DefaultExecutor executor = new DefaultExecutor();
    try {
        final ByteArrayOutputStream bos = new ByteArrayOutputStream();
        final PumpStreamHandler psh = new PumpStreamHandler(bos);
        executor.setStreamHandler(psh);
        executor.setWorkingDirectory(getEventStoreDir());
        final int exitCode = executor.execute(cmdLine);
        messages = asList(bos.toString());
        if (exitCode == 0) {
            LOG.info("Post-start command executed successfully");
            logDebug(messages);
        } else {
            LOG.error("Post-start command failed with exit code: {}", exitCode);
            logError(messages);
        }
    } catch (final IOException ex) {
        throw new MojoExecutionException("Error executing the command line: " + cmdLine, ex);
    }
}

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From source file:org.geoserver.importer.transform.AbstractCommandLinePreTransform.java

protected boolean checkAvailable() throws IOException {
    try {/*from ww  w  . j  a v a  2  s.  com*/
        CommandLine cmd = new CommandLine(getExecutable());
        for (String option : getAvailabilityTestOptions()) {
            cmd.addArgument(option);
        }

        // prepare to run
        DefaultExecutor executor = new DefaultExecutor();

        // grab at least some part of the outputs
        int limit = 16 * 1024;
        try (OutputStream os = new BoundedOutputStream(new ByteArrayOutputStream(), limit);
                OutputStream es = new BoundedOutputStream(new ByteArrayOutputStream(), limit)) {
            PumpStreamHandler streamHandler = new PumpStreamHandler(os, es);
            executor.setStreamHandler(streamHandler);
            int result = executor.execute(cmd);

            if (result != 0) {
                LOGGER.log(Level.SEVERE, "Failed to execute command " + cmd.toString()
                        + "\nStandard output is:\n" + os.toString() + "\nStandard error is:\n" + es.toString());
                return false;
            }

        } catch (Exception e) {
            LOGGER.log(Level.SEVERE, "Failure to execute command " + cmd.toString(), e);
            return false;
        }
    } catch (Exception e) {
        LOGGER.log(Level.SEVERE, "Failure to locate executable for class " + this.getClass(), e);
        return false;
    }

    return true;
}

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From source file:org.geoserver.importer.transform.AbstractCommandLineTransform.java

@Override
public void apply(ImportTask task, ImportData data) throws Exception {
    boolean inline = isInline();
    File executable = getExecutable();
    File inputFile = getInputFile(data);
    Map<String, File> substitutions = new HashMap<>();
    substitutions.put("input", inputFile);
    File outputDirectory = null;//from www . ja  v a 2s  . c  o  m
    File outputFile = null;
    if (!inline) {
        outputDirectory = getOutputDirectory(data);
        outputFile = new File(outputDirectory, inputFile.getName());
        substitutions.put("output", outputFile);
    }

    // setup the options
    CommandLine cmd = new CommandLine(executable);
    cmd.setSubstitutionMap(substitutions);

    setupCommandLine(inline, cmd);

    // prepare to run
    DefaultExecutor executor = new DefaultExecutor();
    // make sure we don't try to execute for too much time
    executor.setWatchdog(new ExecuteWatchdog(DEFAULT_TIMEOUT));

    // grab at least some part of the outputs
    int limit = 16 * 1024;
    try {
        try (OutputStream os = new BoundedOutputStream(new ByteArrayOutputStream(), limit);
                OutputStream es = new BoundedOutputStream(new ByteArrayOutputStream(), limit)) {
            PumpStreamHandler streamHandler = new PumpStreamHandler(os, es);
            executor.setStreamHandler(streamHandler);
            try {
                int result = executor.execute(cmd);

                if (executor.isFailure(result)) {
                    // toString call is routed to ByteArrayOutputStream, which does the right string
                    // conversion
                    throw new IOException(
                            "Failed to execute command " + cmd.toString() + "\nStandard output is:\n"
                                    + os.toString() + "\nStandard error is:\n" + es.toString());
                }
            } catch (Exception e) {
                throw new IOException("Failure to execute command " + cmd.toString() + "\nStandard output is:\n"
                        + os.toString() + "\nStandard error is:\n" + es.toString(), e);
            }
        }

        // if not inline, replace inputs with output
        if (!inline) {
            List<String> names = getReplacementTargetNames(data);
            File inputParent = inputFile.getParentFile();
            for (String name : names) {
                File output = new File(outputDirectory, name);
                File input = new File(inputParent, name);
                if (output.exists()) {
                    // uses atomic rename on *nix, delete and copy on Windows
                    IOUtils.rename(output, input);
                } else if (input.exists()) {
                    input.delete();
                }
            }
        }
    } finally {
        if (outputDirectory != null) {
            FileUtils.deleteQuietly(outputDirectory);
        }
    }
}

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From source file:org.jahia.modules.dm.thumbnails.video.impl.VideoThumbnailServiceImpl.java

public boolean generateThumbnail(File videoFile, File outputFile, int offsetSeconds, String size)
        throws DocumentOperationException {
    if (!isEnabled()) {
        logger.info("FFmpeg service is not enabled." + " Skip converting file {}", videoFile);

        return false;
    }/*from   www . j  a  v  a2 s. c o  m*/

    long timer = System.currentTimeMillis();

    CommandLine cmd = getConvertCommandLine(videoFile, outputFile, String.valueOf(offsetSeconds),
            StringUtils.defaultIfEmpty(size, "320x240"));

    if (logger.isDebugEnabled()) {
        logger.debug("Execuiting thumbnail generation command: {}", cmd.toString());
    }

    int exitValue = 0;

    StringOutputStream err = new StringOutputStream();
    try {
        DefaultExecutor executor = new DefaultExecutor();
        executor.setStreamHandler(new PumpStreamHandler(null, err));
        if (workingDir != null) {
            if (workingDir.exists() || workingDir.mkdirs()) {
                executor.setWorkingDirectory(workingDir);
            }
        }
        exitValue = executor.execute(cmd, System.getenv());
    } catch (Exception e) {
        throw new DocumentOperationException(e);
    } finally {
        if (exitValue > 0 && err.getLength() > 0) {
            logger.error("External process finished with error. Cause: {}", err.toString());
        }
        if (logger.isDebugEnabled() && err.getLength() > 0) {
            logger.debug(err.toString());
        }
    }

    if (logger.isDebugEnabled()) {
        logger.debug("Generating thumbnail {} from {} done (exit code: {}) in {} ms",
                new Object[] { outputFile, videoFile, exitValue, (System.currentTimeMillis() - timer) });
    }

    return exitValue == 0;
}

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From source file:org.jahia.modules.dm.viewer.impl.PDF2SWFConverterService.java

public boolean convert(File inputPdfFile, File outputSwfFile) throws DocumentOperationException {
    if (!isEnabled()) {
        logger.info("pdf2swf conversion service is not enabled." + " Skip converting file {}", inputPdfFile);

        return false;
    }/*from w  w w  .ja  v  a2 s  .  c  om*/

    long timer = System.currentTimeMillis();

    CommandLine cmd = getConvertCommandLine(inputPdfFile, outputSwfFile);

    if (logger.isDebugEnabled()) {
        logger.debug("Execuiting conversion command: {}", cmd.toString());
    }

    int exitValue = 0;

    StringOutputStream out = new StringOutputStream();
    StringOutputStream err = new StringOutputStream();
    try {
        DefaultExecutor executor = new DefaultExecutor();
        executor.setStreamHandler(new PumpStreamHandler(out, err));
        if (workingDir != null) {
            if (workingDir.exists() || workingDir.mkdirs()) {
                executor.setWorkingDirectory(workingDir);
            }
        }
        exitValue = executor.execute(cmd, System.getenv());
    } catch (Exception e) {
        throw new DocumentOperationException(e);
    } finally {
        if (err.getLength() > 0) {
            logger.error("Conversion process finished with error. Cause: {}", err.toString());
        }
        if (logger.isDebugEnabled() && out.getLength() > 0) {
            logger.debug(out.toString());
        }
    }

    if (logger.isDebugEnabled()) {
        logger.debug("Conversion from {} to {} done (exit code: {}) in {} ms",
                new Object[] { inputPdfFile, outputSwfFile, exitValue, (System.currentTimeMillis() - timer) });
    }

    return exitValue == 0;
}

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From source file:org.jahia.services.templates.SourceControlFactory.java

/**
 * Sets the executables for various SCM providers.
 * /* www. j  ava 2 s .  c o m*/
 * @param sourceControlExecutables
 *            a map with paths to SCM executables by SCM type
 */
public void setSourceControlExecutables(Map<String, String> sourceControlExecutables) {
    this.sourceControlExecutables = new HashMap<String, String>();
    for (Map.Entry<String, String> entry : sourceControlExecutables.entrySet()) {
        try {
            DefaultExecutor executor = new DefaultExecutor();
            executor.setStreamHandler(
                    new PumpStreamHandler(new StringOutputStream(), new StringOutputStream()));
            executor.execute(new CommandLine(entry.getValue()), System.getenv());
        } catch (ExecuteException e) {
            // ignore this one as the command always returns error code 1
        } catch (IOException e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Unable to execute the " + entry.getKey() + " SCM executable: " + entry.getValue()
                        + ". The SCM provider will be disabled. Cause: " + e.getMessage(), e);
            } else {
                logger.info("Cannot find a valid " + entry.getKey() + " SCM executable at: " + entry.getValue()
                        + ". The SCM provider will be skipped.");
            }
            continue;
        }
        this.sourceControlExecutables.put(entry.getKey(), entry.getValue());
    }
}

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