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

Introduction

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

Prototype

public DefaultExecutor() 

Source Link

Document

Default constructor creating a default PumpStreamHandler and sets the working directory of the subprocess to the current working directory.

Usage

From source file:npanday.plugin.wix.CandleMojo.java

public void execute() throws MojoExecutionException {
    String paths = "";
    for (int x = 0; x < sourceFiles.length; x++) {
        File f = sourceFiles[x];//  w w  w  .  j  av a2s. c  o  m
        if (!f.exists()) {
            throw new MojoExecutionException("Source file does not exist " + sourceFiles[x]);
        } else {
            paths = paths + sourceFiles[x].getAbsolutePath() + " ";
        }
    }

    try {
        String line = "candle " + paths;
        CommandLine commandLine = CommandLine.parse(line);
        DefaultExecutor executor = new DefaultExecutor();
        int exitValue = executor.execute(commandLine);

        if (exitValue != 0) {
            throw new MojoExecutionException("Problem executing candle, return code " + exitValue);
        }

    } catch (ExecuteException e) {
        throw new MojoExecutionException("Problem executing candle", e);
    } catch (IOException e) {
        throw new MojoExecutionException("Problem executing candle", e);
    }
}

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From source file:npanday.plugin.wix.LightMojo.java

public void execute() throws MojoExecutionException {

    String paths = "";
    for (int x = 0; x < objectFiles.length; x++) {
        File f = objectFiles[x];/*from   w ww .j av  a 2 s  .c om*/
        if (!f.exists()) {
            throw new MojoExecutionException("Object file does not exist " + objectFiles[x]);
        } else {
            paths = paths + objectFiles[x].getAbsolutePath() + " ";
        }
    }

    try {
        String line = "light " + paths;

        if (outputFile != null) {
            line = line + " -o " + outputFile;
        }

        CommandLine commandLine = CommandLine.parse(line);
        DefaultExecutor executor = new DefaultExecutor();
        int exitValue = executor.execute(commandLine);

        if (exitValue != 0) {
            throw new MojoExecutionException("Problem executing light, return code " + exitValue);
        }

    } catch (ExecuteException e) {
        throw new MojoExecutionException("Problem executing light", e);
    } catch (IOException e) {
        throw new MojoExecutionException("Problem executing light", e);
    }
}

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From source file:org.apache.bigtop.itest.hive.HiveHelper.java

public static Map<String, String> execCommand(CommandLine commandline, Map<String, String> envVars) {

    System.out.println("Executing command:");
    System.out.println(commandline.toString());
    Map<String, String> env = null;
    Map<String, String> entry = new HashMap<String, String>();
    try {//  www.j a v a2  s . c  o m
        env = EnvironmentUtils.getProcEnvironment();
    } catch (IOException e1) {
        // TODO Auto-generated catch block
        LOG.debug("Failed to get process environment: " + e1.getMessage());
        e1.printStackTrace();
    }
    if (envVars != null) {
        for (String key : envVars.keySet()) {
            env.put(key, envVars.get(key));
        }
    }

    DefaultExecuteResultHandler resultHandler = new DefaultExecuteResultHandler();
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream);
    ExecuteWatchdog watchdog = new ExecuteWatchdog(60 * 10000);
    Executor executor = new DefaultExecutor();
    executor.setExitValue(1);
    executor.setWatchdog(watchdog);
    executor.setStreamHandler(streamHandler);
    try {
        executor.execute(commandline, env, resultHandler);
    } catch (ExecuteException e) {
        // TODO Auto-generated catch block
        LOG.debug("Failed to execute command with exit value: " + String.valueOf(resultHandler.getExitValue()));
        LOG.debug("outputStream: " + outputStream.toString());
        entry.put("exitValue", String.valueOf(resultHandler.getExitValue()));
        entry.put("outputStream", outputStream.toString() + e.getMessage());
        e.printStackTrace();
        return entry;
    } catch (IOException e) {
        // TODO Auto-generated catch block
        LOG.debug("Failed to execute command with exit value: " + String.valueOf(resultHandler.getExitValue()));
        LOG.debug("outputStream: " + outputStream.toString());
        entry.put("exitValue", String.valueOf(resultHandler.getExitValue()));
        entry.put("outputStream", outputStream.toString() + e.getMessage());
        e.printStackTrace();
        return entry;
    }

    try {
        resultHandler.waitFor();
        /*System.out.println("Command output: "+outputStream.toString());*/
        entry.put("exitValue", String.valueOf(resultHandler.getExitValue()));
        entry.put("outputStream", outputStream.toString());
        return entry;
    } catch (InterruptedException e) {
        // TODO Auto-generated catch block
        /*System.out.println("Command output: "+outputStream.toString());*/
        LOG.debug("exitValue: " + String.valueOf(resultHandler.getExitValue()));
        LOG.debug("outputStream: " + outputStream.toString());
        entry.put("exitValue", String.valueOf(resultHandler.getExitValue()));
        entry.put("outputStream", outputStream.toString());
        e.printStackTrace();
        return entry;
    }
}

---

From source file:org.apache.camel.component.exec.impl.DefaultExecCommandExecutor.java

protected DefaultExecutor prepareDefaultExecutor(ExecCommand execCommand) {
    DefaultExecutor executor = new DefaultExecutor();
    executor.setExitValues(null);/* w  ww  . j  av  a 2 s  .c o  m*/

    if (execCommand.getWorkingDir() != null) {
        executor.setWorkingDirectory(new File(execCommand.getWorkingDir()).getAbsoluteFile());
    }
    if (execCommand.getTimeout() != ExecEndpoint.NO_TIMEOUT) {
        executor.setWatchdog(new ExecuteWatchdog(execCommand.getTimeout()));
    }
    executor.setProcessDestroyer(new ShutdownHookProcessDestroyer());
    return executor;
}

---

From source file:org.apache.cloudstack.wix.HeatMojo.java

@Override
public void execute() throws MojoExecutionException, MojoFailureException {
    try {//from   w w w.  j a va  2 s  . c o m
        CommandLine commandLine = new CommandLine("heat");

        if (dir != null && !dir.trim().isEmpty()) {
            commandLine.addArgument("dir");
            commandLine.addArgument(dir);
        }

        commandLine.addArgument("-gg");
        commandLine.addArgument("-cg");
        commandLine.addArgument(componentGroup);
        commandLine.addArgument("-ke");
        commandLine.addArgument("-sfrag");

        if (template == null || template.trim().isEmpty()) {
            commandLine.addArgument("-template");
            commandLine.addArgument("fragment");
        } else {
            commandLine.addArgument("-template");
            commandLine.addArgument(template);
        }

        if (outputFile != null) {
            commandLine.addArgument("-out");
            commandLine.addArgument(outputFile.getAbsolutePath());
        }

        if (directoryName != null) {
            commandLine.addArgument("-dr");
            commandLine.addArgument(directoryName);
        }

        if (vars != null) {
            commandLine.addArguments(vars, false);
        }

        DefaultExecutor executor = new DefaultExecutor();
        getLog().debug("working directory " + commandLine.toString());
        executor.setWorkingDirectory(getWorkingDirectory(workingDirectory));
        int exitValue = executor.execute(commandLine);

        if (exitValue != 0) {
            throw new MojoExecutionException("Problem executing heat, return code " + exitValue);
        }

    } catch (ExecuteException e) {
        throw new MojoExecutionException("Problem executing heat", e);
    } catch (IOException e) {
        throw new MojoExecutionException("Problem executing heat", e);
    }
}

---

From source file:org.apache.drill.exec.client.DrillClient.java

/**
 * Run external script/*from w  ww  .ja v a2s.c o  m*/
 *
 * @param command
 */
public void runScript(String command) {
    //System.out.println("RUNNING COMMAND: " + command);
    String sCommandString = command;
    CommandLine oCmdLine = CommandLine.parse(sCommandString);
    DefaultExecutor oDefaultExecutor = new DefaultExecutor();
    oDefaultExecutor.setExitValue(0);
    try {
        int iExitValue = oDefaultExecutor.execute(oCmdLine);
    } catch (ExecuteException e) {
        System.err.println("Execution failed.");
        e.printStackTrace();
    } catch (IOException e) {
        System.err.println("permission denied.");
        e.printStackTrace();
    }
}

---

From source file:org.apache.falcon.regression.core.util.ExecUtil.java

public static ExecResult executeCommand(CommandLine commandLine) {
    LOGGER.info("Command to be executed: " + commandLine);
    DefaultExecutor executor = new DefaultExecutor();
    executor.setWatchdog(new ExecuteWatchdog(5 * 1000)); //timeout of 5 seconds
    final ByteArrayOutputStream outStream = new ByteArrayOutputStream();
    final ByteArrayOutputStream errStream = new ByteArrayOutputStream();
    executor.setStreamHandler(new PumpStreamHandler(outStream, errStream));
    int exitVal = 1;
    String exception = "";
    try {/*  ww  w  .  jav  a  2 s.  c  o m*/
        exitVal = executor.execute(commandLine);
    } catch (IOException e) {
        LOGGER.warn("Caught exception: " + e);
        exception = e.toString();
    }
    final String output = outStream.toString();
    String errors = errStream.toString();
    errors = errors.isEmpty() ? exception : errors;

    LOGGER.info("exitVal: " + exitVal);
    LOGGER.info("output: " + output);
    LOGGER.info("errors: " + errors);
    return new ExecResult(commandLine, exitVal, output.trim(), errors.trim());
}

---

From source file:org.apache.hcatalog.templeton.ExecServiceImpl.java

private ExecBean auxRun(String program, List<String> args, Map<String, String> env)
        throws NotAuthorizedException, ExecuteException, IOException {
    DefaultExecutor executor = new DefaultExecutor();
    executor.setExitValues(null);//from ww  w . ja  va 2s. c  o  m

    // Setup stdout and stderr
    int nbytes = appConf.getInt(AppConfig.EXEC_MAX_BYTES_NAME, -1);
    ByteArrayOutputStream outStream = new MaxByteArrayOutputStream(nbytes);
    ByteArrayOutputStream errStream = new MaxByteArrayOutputStream(nbytes);
    executor.setStreamHandler(new PumpStreamHandler(outStream, errStream));

    // Only run for N milliseconds
    int timeout = appConf.getInt(AppConfig.EXEC_TIMEOUT_NAME, 0);
    ExecuteWatchdog watchdog = new ExecuteWatchdog(timeout);
    executor.setWatchdog(watchdog);

    CommandLine cmd = makeCommandLine(program, args);

    LOG.info("Running: " + cmd);
    ExecBean res = new ExecBean();
    res.exitcode = executor.execute(cmd, execEnv(env));
    String enc = appConf.get(AppConfig.EXEC_ENCODING_NAME);
    res.stdout = outStream.toString(enc);
    res.stderr = errStream.toString(enc);

    return res;
}

---

From source file:org.apache.hive.hcatalog.templeton.StreamOutputWriter.java

private ExecBean auxRun(String program, List<String> args, Map<String, String> env)
        throws NotAuthorizedException, ExecuteException, IOException {
    DefaultExecutor executor = new DefaultExecutor();
    executor.setExitValues(null);//w  w  w.ja  v  a2 s . c o  m

    // Setup stdout and stderr
    int nbytes = appConf.getInt(AppConfig.EXEC_MAX_BYTES_NAME, -1);
    ByteArrayOutputStream outStream = new MaxByteArrayOutputStream(nbytes);
    ByteArrayOutputStream errStream = new MaxByteArrayOutputStream(nbytes);
    executor.setStreamHandler(new PumpStreamHandler(outStream, errStream));

    // Only run for N milliseconds
    int timeout = appConf.getInt(AppConfig.EXEC_TIMEOUT_NAME, 0);
    ExecuteWatchdog watchdog = new ExecuteWatchdog(timeout);
    executor.setWatchdog(watchdog);

    CommandLine cmd = makeCommandLine(program, args);

    LOG.info("Running: " + cmd);
    ExecBean res = new ExecBean();

    res.exitcode = executor.execute(cmd, execEnv(env));

    String enc = appConf.get(AppConfig.EXEC_ENCODING_NAME);
    res.stdout = outStream.toString(enc);
    res.stderr = errStream.toString(enc);
    try {
        watchdog.checkException();
    } catch (Exception ex) {
        LOG.error("Command: " + cmd + " failed. res=" + res, ex);
    }
    if (watchdog.killedProcess()) {
        String msg = " was terminated due to timeout(" + timeout + "ms).  See " + AppConfig.EXEC_TIMEOUT_NAME
                + " property";
        LOG.warn("Command: " + cmd + msg + " res=" + res);
        res.stderr += " Command " + msg;
    }
    if (res.exitcode != 0) {
        LOG.info("Command: " + cmd + " failed. res=" + res);
    }
    return res;
}

---

From source file:org.apache.karaf.decanter.collector.system.SystemCollector.java

@Override
public void run() {
    if (properties != null) {
        String karafName = System.getProperty("karaf.name");
        String hostAddress = null;
        String hostName = null;/*from   w  ww . java  2  s. c  o m*/
        try {
            hostAddress = InetAddress.getLocalHost().getHostAddress();
            hostName = InetAddress.getLocalHost().getHostName();
        } catch (Exception e) {
            // nothing to do
        }
        Enumeration<String> keys = properties.keys();
        while (keys.hasMoreElements()) {
            String key = (String) keys.nextElement();
            try {
                if (key.startsWith("command.")) {
                    HashMap<String, Object> data = new HashMap<>();
                    String command = (String) properties.get(key);
                    LOGGER.debug("Executing {} ({})", command, key);
                    CommandLine cmdLine = CommandLine.parse(command);
                    DefaultExecutor executor = new DefaultExecutor();
                    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
                    PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream);
                    executor.setStreamHandler(streamHandler);
                    data.put("timestamp", System.currentTimeMillis());
                    data.put("type", "system");
                    data.put("karafName", karafName);
                    data.put("hostAddress", hostAddress);
                    data.put("hostName", hostName);
                    executor.execute(cmdLine);
                    outputStream.flush();
                    String output = outputStream.toString();
                    if (output.endsWith("\n")) {
                        output = output.substring(0, output.length() - 1);
                    }
                    // try to convert to number
                    try {
                        if (output.contains(".")) {
                            Double value = Double.parseDouble(output);
                            data.put(key, value);
                        } else {
                            Integer value = Integer.parseInt(output);
                            data.put(key, value);
                        }
                    } catch (NumberFormatException e) {
                        data.put(key, outputStream.toString());
                    }
                    streamHandler.stop();
                    Event event = new Event("decanter/collect/system/" + key.replace(".", "_"), data);
                    eventAdmin.postEvent(event);
                    try {
                        outputStream.close();
                    } catch (Exception e) {
                        // nothing to do
                    }
                }
            } catch (Exception e) {
                LOGGER.warn("Command {} execution failed", key, e);
            }
        }
    }
}

---

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