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

Introduction

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

Prototype

void setStreamHandler(ExecuteStreamHandler streamHandler);

Source Link

Document

Set a custom the StreamHandler used for providing input and retrieving the output.

Usage

From source file:org.kitodo.imagemanagement.ConvertRunner.java

/**
 * Executes the ImageMagick command using Apache Commons Exec.
 *
 * @param commandLine//from www  .  jav a2s .c o m
 *            command line to execute
 * @throws IOException
 *             if I/O fails
 */
void run(IMOperation commandLine) throws IOException {
    Executor executor = new DefaultExecutor();

    OutputStream outAndErr = new ByteArrayOutputStream();
    executor.setStreamHandler(new PumpStreamHandler(outAndErr));

    long timeoutMillis = 1000
            * KitodoConfig.getIntParameter(ParameterImageManagement.TIMEOUT_SEC, DEFAULT_TIMEOUT_MINS);
    executor.setWatchdog(new ExecuteWatchdog(timeoutMillis));

    CommandLine command;
    try {
        String sshHosts = KitodoConfig.getParameter(ParameterImageManagement.SSH_HOST);
        command = new CommandLine("ssh");
        String[] hosts = sshHosts.split(",");
        String host = hosts[RANDOMNESS_GENERATOR.nextInt(hosts.length)];
        command.addArgument(host, false);
        command.addArgument(convertCommand + ' ' + commandLine.toString(), false);
    } catch (NoSuchElementException e) {
        logger.trace("SSH not configured.", e);
        command = new CommandLine(convertCommand);
        command.addArguments(commandLine.toString());
    }

    try {
        logger.debug("Executing: {}", command);
        logger.trace("Timeout: {} mins", timeoutMillis / 60000d);
        executor.execute(command);
        logger.debug("Command output:{}{}", System.lineSeparator(), outAndErr.toString());
    } catch (IOException | RuntimeException e) {
        logger.error("Command output:{}{}", System.lineSeparator(), outAndErr.toString());
        throw e;
    }
}

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From source file:org.kitodo.imagemanagementmodule.ConvertRunner.java

/**
 * Executes the ImageMagick command using Apache Commons Exec.
 *
 * @param commandLine/*from  w  w  w  . j  a  v  a2 s .com*/
 *            command line to execute
 * @throws IOException
 *             if I/O fails
 */
void run(IMOperation commandLine) throws IOException {
    Executor executor = new DefaultExecutor();

    OutputStream outAndErr = new ByteArrayOutputStream();
    executor.setStreamHandler(new PumpStreamHandler(outAndErr));

    long timeoutMillis = 1000
            * Config.getIntParameter("ImageManagementModule.timeoutSec", DEFAULT_TIMEOUT_MINS);
    executor.setWatchdog(new ExecuteWatchdog(timeoutMillis));

    CommandLine command;
    try {
        String sshHosts = Config.getParameter("ImageManagementModule.sshHosts");
        command = new CommandLine("ssh");
        String[] hosts = sshHosts.split(",");
        String host = hosts[RANDOMNESS_GENERATOR.nextInt(hosts.length)];
        command.addArgument(host, false);
        command.addArgument(convertCommand + ' ' + commandLine.toString(), false);
    } catch (NoSuchElementException e) {
        logger.trace("SSH not configured.", e);
        command = new CommandLine(convertCommand);
        command.addArguments(commandLine.toString());
    }

    try {
        logger.debug("Executing: {}", command);
        logger.trace("Timeout: {} mins", timeoutMillis / 60000d);
        executor.execute(command);
        logger.debug("Command output:{}{}", System.lineSeparator(), outAndErr.toString());
    } catch (IOException | RuntimeException e) {
        logger.error("Command output:{}{}", System.lineSeparator(), outAndErr.toString());
        throw e;
    }
}

---

From source file:org.kualigan.maven.plugins.api.DefaultPrototypeHelper.java

protected int executeCommandLine(final String... args) throws ExecuteException, IOException {
    final Executor exec = new DefaultExecutor();
    final Map enviro = new HashMap();
    try {// www.j  a v a  2s .  c o  m
        final Properties systemEnvVars = CommandLineUtils.getSystemEnvVars();
        enviro.putAll(systemEnvVars);
    } catch (IOException x) {
        getCaller().getLog().error("Could not assign default system enviroment variables.", x);
    }

    final File workingDirectory = new File(System.getProperty("java.io.tmpdir"));
    final org.apache.commons.exec.CommandLine commandLine = new org.apache.commons.exec.CommandLine(args[0]);
    for (int i = 1; i < args.length; i++) {
        commandLine.addArgument(args[i]);
    }

    exec.setStreamHandler(new PumpStreamHandler(System.out, System.err, System.in));
    exec.setWorkingDirectory(workingDirectory);
    return exec.execute(commandLine, enviro);
}

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From source file:org.n52.movingcode.runtime.processors.python.PythonCLIProbe.java

public static String getVersion() {

    try {/*from w  w w  .ja  v  a  2s  .  c o  m*/
        URL scriptURL = PythonCLIProbe.class.getResource(versionScriptFile);
        File sf = new File(scriptURL.toURI());
        String scriptPath = sf.getAbsolutePath();

        CommandLine commandLine = CommandLine.parse(PythonCLIProcessor.pythonExecutable + " " + scriptPath);

        DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();
        Executor executor = new DefaultExecutor();

        // put a watchdog with a timeout
        ExecuteWatchdog watchdog = new ExecuteWatchdog(new Long(timeout_seconds) * 1000);
        executor.setWatchdog(watchdog);

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

        executor.execute(commandLine, resultHandler);
        resultHandler.waitFor();
        int exitVal = resultHandler.getExitValue();
        if (exitVal != 0) {
            return null;
        }

        return (os.toString());

    } catch (Exception e) {
        return null;
    }
}

---

From source file:org.n52.movingcode.runtime.processors.python.PythonCLIProcessor.java

public void execute(int timeoutSeconds) throws IllegalArgumentException, RuntimeException, IOException {

    if (!init()) {
        throw new IOException("Could not initialize the processor. Aborting operation.");
    }/* www  .  j  a v a2 s  .  c  o  m*/

    // load arguments and parse them to internal data format (--> Strings)
    for (IOParameter item : this.values()) {
        try {
            setValue(item);
        } catch (IOException e) {
            throw new IOException("Could not deal with parameter: " + item.getIdentifier().toString() + "\n"
                    + e.getMessage());
        }
    }

    // create command from parameters and values
    String executable = packageDescriptionDoc.getPackageDescription().getWorkspace().getExecutableLocation();
    if (executable.startsWith("./")) {
        executable = executable.substring(2);
    }

    if (executable.startsWith(".\\")) {
        executable = executable.substring(2);
    }
    executable = "python " + this.clonedWorkspace + File.separator + executable;

    CommandLine cmdLine = buildCommandLine(executable, this.executionValues, this);

    DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();
    Executor executor = new DefaultExecutor();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    ByteArrayOutputStream errorStream = new ByteArrayOutputStream();
    PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream, errorStream);
    executor.setStreamHandler(streamHandler);

    // put a watchdog if required
    if (timeoutSeconds > 0) {
        ExecuteWatchdog watchdog = new ExecuteWatchdog(new Long(timeoutSeconds) * 1000);
        executor.setWatchdog(watchdog);
    }

    try {
        executor.execute(cmdLine, resultHandler);
        resultHandler.waitFor();
        int exitVal = resultHandler.getExitValue();
        if (exitVal != 0) {
            LOGGER.error("stderr was: " + errorStream.toString());
            LOGGER.error("stdout was: " + outputStream.toString());
        } else {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("stdout was:" + outputStream.toString());
                LOGGER.debug("stderr was:" + errorStream.toString());
            }
        }
    } catch (ExecuteException e) {
        throw new RuntimeException(e.getMessage());
    } catch (IOException e) {
        throw new IOException(e.getMessage());
    } catch (InterruptedException e) {
        throw new RuntimeException(
                "Execution was interrupted. Process aborted.\n Message was: " + e.getMessage());
    }

    // update executionData - file data only
    // code below is all about setting the input stream for output media data
    for (ParameterID identifier : this.keySet()) {
        if (this.get(identifier).isMessageOut()) {
            if (this.get(identifier).supportsType(IODataType.MEDIA)) {
                @SuppressWarnings("unchecked")
                List<MediaData> mediaValues = (List<MediaData>) this.get(identifier);
                for (int i = 0; i < mediaValues.size(); i++) {
                    String fileName = this.executionValues.get(identifier)[i];
                    // <-- this is the important line -->
                    mediaValues.get(i).setMediaStream(new FileInputStream(fileName));
                }

            } else {
                // not supported for CLI
            }
        }
    }

}

---

From source file:org.n52.movingcode.runtime.processors.r.RCLIProbe.java

private static String getVersion() {
    try {/*from   w w  w  . j a  v  a2 s  .  c  o m*/
        CommandLine commandLine = CommandLine.parse(RCLIProcessor.rExecutable + " " + VERSION_CALL);

        DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();
        Executor executor = new DefaultExecutor();

        // put a watchdog with a timeout
        ExecuteWatchdog watchdog = new ExecuteWatchdog(new Long(TIMEOUT_SECONDS) * 1000);
        executor.setWatchdog(watchdog);

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

        executor.execute(commandLine, resultHandler);
        resultHandler.waitFor();
        int exitVal = resultHandler.getExitValue();
        if (exitVal != 0) {
            return null;
        }

        String osString = os.toString();

        String versionString = osString.substring(osString.lastIndexOf(": ") + 2);
        versionString = versionString.substring(0, versionString.indexOf('\n'));

        return (versionString);
    } catch (Exception e) {
        LOGGER.error("Could not get version string.", e);
        return null;
    }
}

---

From source file:org.obm.push.mail.greenmail.ExternalProcess.java

private Executor buildExecutor() {
    Executor executor = new DefaultExecutor();
    executor.setStreamHandler(streamHandler);
    setTimeoutWatchdog(executor);//from   w w w . j  a v  a  2 s . c  om
    return executor;
}

---

From source file:org.openflamingo.core.cmd.CommandLineExecutor.java

/**
 *  ??? ./*ww  w.  j av  a2  s. c om*/
 *
 * @param args  ??    ?? ?
 * @throws java.io.IOException   ??  
 * @throws InterruptedException  ??    
 */
public static void main(String[] args) throws IOException, InterruptedException {
    CommandLine cmdLine = new CommandLine("/bin/ls");
    cmdLine.addArgument("-lsa");
    cmdLine.addArgument("/");
    /*
            cmdLine.addArgument("/p");
          cmdLine.addArgument("/h");
          cmdLine.addArgument("${file}");
            
          HashMap map = new HashMap();
          map.put("file", new File("invoice.pdf"));
            
          cmdLine.setSubstitutionMap(map);
    */

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    TailExecuteResultHandler resultHandler = new TailExecuteResultHandler();

    ExecuteWatchdog watchdog = new ExecuteWatchdog(500);
    Executor executor = new DefaultExecutor();
    executor.setExitValue(1);
    executor.setWatchdog(watchdog);

    TailPumpStreamHandler psh = new TailPumpStreamHandler(out);
    executor.setStreamHandler(psh);
    executor.execute(cmdLine, resultHandler);

    System.out.println(out.toString());

    resultHandler.waitFor();
}

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From source file:org.openflamingo.engine.util.FileReader.java

/**
 * ? ??  ??  ? ? .//from  w w  w  . java2  s  . co m
 *
 * @param start     ??
 * @param end       ??
 * @param filename ?? ?
 * @return ?? 
 * @throws IOException          ?? ??   
 * @throws InterruptedException       
 */
public static String read(long start, long end, String filename) throws IOException, InterruptedException {
    String command = org.slf4j.helpers.MessageFormatter
            .arrayFormat("sed '{},{}!d' {}", new Object[] { start, end, filename }).getMessage();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();
    PumpStreamHandler pumpStreamHandler = new PumpStreamHandler(out);

    CommandLine cmdLine = CommandLine.parse(command);
    ExecuteWatchdog watchdog = new ExecuteWatchdog(60 * 1000);
    Executor executor = new DefaultExecutor();
    executor.setStreamHandler(pumpStreamHandler);
    executor.setExitValue(1);
    executor.setWatchdog(watchdog);
    executor.execute(cmdLine, resultHandler);

    resultHandler.waitFor();

    return new String(out.toByteArray());
}

---

From source file:org.openflamingo.engine.util.FileReader.java

/**
 * ? ?? ??  ? ./*from   ww w  .ja  v a 2  s.  c  o m*/
 *
 * @param filename ??  ? ?
 * @return  ?? ?? 
 * @throws IOException          ?? ??   
 * @throws InterruptedException       
 */
public static int lines(String filename) throws IOException, InterruptedException {
    String command = org.slf4j.helpers.MessageFormatter.arrayFormat("sed -n '$=' {}", new Object[] { filename })
            .getMessage();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();
    PumpStreamHandler pumpStreamHandler = new PumpStreamHandler(out);

    CommandLine cmdLine = CommandLine.parse(command);
    ExecuteWatchdog watchdog = new ExecuteWatchdog(60 * 1000);
    Executor executor = new DefaultExecutor();
    executor.setStreamHandler(pumpStreamHandler);
    executor.setExitValue(1);
    executor.setWatchdog(watchdog);
    executor.execute(cmdLine, resultHandler);

    resultHandler.waitFor();

    return Integer.parseInt(new String(out.toByteArray()).trim());
}

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