Example usage for java.lang ProcessBuilder ProcessBuilder

Introduction

In this page you can find the example usage for java.lang ProcessBuilder ProcessBuilder.

Prototype

public ProcessBuilder(String... command) 

Source Link

Document

Constructs a process builder with the specified operating system program and arguments.

Usage

From source file:com.scooter1556.sms.server.io.StreamProcess.java

private void run(String[] command) throws IOException {
    LogService.getInstance().addLogEntry(LogService.Level.DEBUG, CLASS_NAME, StringUtils.join(command, " "),
            null);/*from   w  w w . j  av a  2  s  .  c o  m*/

    ProcessBuilder processBuilder = new ProcessBuilder(command);

    process = processBuilder.start();
    InputStream input = process.getInputStream();
    OutputStream output = response.getOutputStream();
    new NullStream(process.getErrorStream()).start();

    // Buffer
    byte[] buffer = new byte[BUFFER_SIZE];
    int length;

    // Write stream to output
    while ((length = input.read(buffer)) != -1) {
        output.write(buffer, 0, length);
        bytesTransferred += length;
    }
}

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From source file:com.laex.cg2d.screeneditor.handlers.RenderHandler.java

/**
 * the command has been executed, so extract extract the needed information
 * from the application context./*  ww w . j ava  2  s .  c  o  m*/
 * 
 * @param event
 *          the event
 * @return the object
 * @throws ExecutionException
 *           the execution exception
 */
public Object execute(ExecutionEvent event) throws ExecutionException {
    IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
    final IEditorPart editorPart = window.getActivePage().getActiveEditor();

    editorPart.doSave(new NullProgressMonitor());

    validate(window.getShell());

    // Eclipse Jobs API
    final Job job = new Job("Render Game") {
        @Override
        protected IStatus run(IProgressMonitor monitor) {

            if (monitor.isCanceled()) {
                return Status.CANCEL_STATUS;
            }

            try {
                IFile file = ((IFileEditorInput) editorPart.getEditorInput()).getFile();

                monitor.beginTask("Building rendering command", 5);
                ILog log = Activator.getDefault().getLog();

                String mapFile = file.getLocation().makeAbsolute().toOSString();
                String controllerFile = file.getLocation().removeFileExtension().addFileExtension("lua")
                        .makeAbsolute().toOSString();

                String[] command = buildRunnerCommandFromProperties(mapFile, controllerFile);
                monitor.worked(5);

                monitor.beginTask("Rendering external", 5);

                ProcessBuilder pb = new ProcessBuilder(command);
                Process p = pb.start();

                monitor.worked(4);
                Scanner scn = new Scanner(p.getErrorStream());
                while (scn.hasNext() && !monitor.isCanceled()) {

                    if (monitor.isCanceled()) {
                        throw new InterruptedException("Cancelled");
                    }

                    log.log(new Status(IStatus.INFO, Activator.PLUGIN_ID, scn.nextLine()));
                }
                monitor.worked(5);

                monitor.done();
                this.done(Status.OK_STATUS);
                return Status.OK_STATUS;

            } catch (RuntimeException e) {
                return handleException(e);
            } catch (IOException e) {
                return handleException(e);
            } catch (CoreException e) {
                return handleException(e);
            } catch (InterruptedException e) {
                return handleException(e);
            }
        }

        private IStatus handleException(Exception e) {
            Activator.log(e);
            return Status.CANCEL_STATUS;
        }
    };

    job.setUser(true);
    job.setPriority(Job.INTERACTIVE);
    job.schedule();

    return null;
}

---

From source file:cz.cuni.mff.ksi.jinfer.autoeditor.automatonvisualizer.layouts.graphviz.GraphvizLayoutFactory.java

@SuppressWarnings("PMD")
private <T> Map<State<T>, Point2D> getGraphvizPositions(final byte[] graphInDotFormat,
        final Set<State<T>> automatonStates) throws GraphvizException, IOException {
    final Map<State<T>, Point2D> result = new HashMap<State<T>, Point2D>();

    // creates new dot process.
    final ProcessBuilder processBuilder = new ProcessBuilder(Arrays.asList(GraphvizUtils.getPath(), "-Tplain"));
    final Process process = processBuilder.start();

    // write our graph into dot binary standart input
    process.getOutputStream().write(graphInDotFormat);
    process.getOutputStream().flush();//from   w ww.  j a  v  a 2s  .  c  o  m

    // read from dot binary standard output
    final BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
    process.getOutputStream().close();

    final Scanner scanner = new Scanner(reader);
    // jumps some unnecessary information from output
    scanner.next();
    scanner.next();

    // get width and height of graph
    windowWidth = 100 + (int) Double.parseDouble(scanner.next());
    windowHeight = 100 + (int) Double.parseDouble(scanner.next());

    // parse output for graph vertex positions
    while (scanner.hasNext()) {
        final String n = scanner.next();
        if (n.equals("node")) {
            final int nodeName = Integer.parseInt(scanner.next());
            final double x = Double.parseDouble(scanner.next());
            final double y = Double.parseDouble(scanner.next());
            boolean found = false;
            for (State<T> state : automatonStates) {
                if (state.getName() == nodeName) {
                    result.put(state, new Point(50 + (int) (x), 50 + (int) (y)));
                    found = true;
                    break;
                }
            }
            if (!found) {
                throw new GraphvizException("Node with name " + nodeName + " was not found in automaton.");
            }
        }
    }

    return result;
}

---

From source file:ch.ledcom.maven.sitespeed.analyzer.SiteSpeedAnalyzer.java

public Document analyze(URL url) throws IOException, JDOMException, InterruptedException {
    InputStream in = null;//from w  w  w.  j av  a  2s .c  o m
    boolean threw = true;
    try {
        log.info("Starting analysis of [" + url.toExternalForm() + "]");

        List<String> command = constructCommand(url);

        logCommand(command);

        ProcessBuilder pb = new ProcessBuilder(command);
        pb.redirectErrorStream();
        Process p = pb.start();
        // FIXME: we need to filter the InputStream as it seems we can get
        // content outside of the XML document (see sitespeed.io)
        in = p.getInputStream();
        byte[] result = IOUtils.toByteArray(in);

        log.info("Result of analysis:" + ArrayUtils.toString(result));

        Document doc = docBuilder.get().build(new ByteArrayInputStream(result));

        log.info(XmlPrettyPrinter.prettyPrint(doc));

        int status = p.waitFor();
        if (status != 0) {
            throw new RuntimeException("PhantomJS returned with status [" + status + "]");
        }
        threw = false;
        return doc;
    } finally {
        Closeables.close(in, threw);
    }
}

---

From source file:com.cisco.oss.foundation.monitoring.RegistryFinder.java

private Registry internalProcessStart(final Configuration configuration, final int port, final String command)
        throws IOException, RemoteException, AccessException {

    String maxHeapArg = "-J-Xmx" + configuration.getInt(FoundationMonitoringConstants.RMIREGISTRY_MAXHEAPSIZE)
            + "m";
    // start rmiregistry process
    if (System.getProperty("os.name").toLowerCase(Locale.getDefault()).contains("windows")) {
        String[] commandArgsArr = new String[] { command, maxHeapArg, String.valueOf(port) };
        List<String> commandArgs = Arrays.asList(commandArgsArr);
        LOGGER.info("running command: " + commandArgs);
        new ProcessBuilder(commandArgsArr).start();
    } else {/* w  w w.j  a  v  a2s.  c  o  m*/
        // support background process to prevent zombies

        String[] commandArgsArr = new String[] { "/bin/sh", "-c", command + maxHeapArg + " " + port + "&" };
        List<String> commandArgs = Arrays.asList(commandArgsArr);
        LOGGER.info("running command: " + commandArgs);
        new ProcessBuilder(commandArgsArr).start();
    }

    try {
        // wait for the process to start properly
        Thread.sleep(1000);
    } catch (InterruptedException e) {
        LOGGER.warn("The sleep for  rmi registry to end has been interrupted: " + e.toString());
    }

    // get registry
    final Registry registry = LocateRegistry.getRegistry(port);

    // test registry
    registry.list();

    LOGGER.info("New RMI  Registry created using port: " + port);

    return registry;
}

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From source file:com.google.dart.server.internal.remote.StdioServerSocket.java

@Override
public void start() throws Exception {
    String[] arguments = computeProcessArguments();
    if (debugStream != null) {
        StringBuilder builder = new StringBuilder();
        builder.append("  ");
        int count = arguments.length;
        for (int i = 0; i < count; i++) {
            if (i > 0) {
                builder.append(' ');
            }//from   w w w .j  av a  2  s  .  c om
            builder.append(arguments[i]);
        }
        debugStream.println(System.currentTimeMillis() + " started analysis server:");
        debugStream.println(builder.toString());
    }
    ProcessBuilder processBuilder = new ProcessBuilder(arguments);
    process = processBuilder.start();
    requestSink = new ByteRequestSink(process.getOutputStream(), debugStream);
    responseStream = new ByteResponseStream(process.getInputStream(), debugStream);
    errorStream = new ByteLineReaderStream(process.getErrorStream());
}

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From source file:com.pentaho.ctools.utils.BAServerService.java

/**
 * This method shall execute a windows command to start/stop/query 
 * windows services/*from w ww  . j  a va 2s .  com*/
 * 
 * @param command
 * @return Output of the command execution.
 */
private static String ExecuteCommand(String[] command) {
    String output = "";
    try {
        Process process = new ProcessBuilder(command).start();

        try (InputStream inputStream = process.getInputStream();
                InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
                BufferedReader bufferedReader = new BufferedReader(inputStreamReader);) {

            String line;
            while ((line = bufferedReader.readLine()) != null) {
                LOG.debug("OUTPUT:: " + line);
                output += line;
            }
        } catch (Exception ex) {//InputStream
            LOG.debug("InputStream Exception : " + ex);
        }
    } catch (Exception ex) { //Process
        LOG.debug("Process Exception : " + ex);
    }
    return output;
}

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From source file:com.netflix.raigad.defaultimpl.ElasticSearchProcessManager.java

public void stop() throws IOException {
    logger.info("Stopping Elasticsearch server ....");
    List<String> command = Lists.newArrayList();
    if (!"root".equals(System.getProperty("user.name"))) {
        command.add(SUDO_STRING);//ww  w  . j  a va2 s. co  m
        command.add("-n");
        command.add("-E");
    }
    for (String param : config.getElasticsearchStopScript().split(" ")) {
        if (StringUtils.isNotBlank(param))
            command.add(param);
    }
    ProcessBuilder stopCass = new ProcessBuilder(command);
    stopCass.directory(new File("/"));
    stopCass.redirectErrorStream(true);
    Process stopper = stopCass.start();

    sleeper.sleepQuietly(SCRIPT_EXECUTE_WAIT_TIME_MS);
    try {
        int code = stopper.exitValue();
        if (code == 0)
            logger.info("Elasticsearch server has been stopped");
        else {
            logger.error("Unable to stop Elasticsearch server. Error code: {}", code);
            logProcessOutput(stopper);
        }
    } catch (Exception e) {
        logger.warn("couldn't shut down Elasticsearch correctly", e);
    }
}

---

From source file:ai.h2o.servicebuilder.Util.java

/**
 * Run command cmd in separate process in directory
 *
 * @param directory    run in this directory
 * @param cmd          command to run//from w  w  w  .  j  av  a  2s.  com
 * @param errorMessage error message if process didn't finish with exit value 0
 * @return stdout combined with stderr
 * @throws Exception
 */
public static String runCmd(File directory, List<String> cmd, String errorMessage) throws Exception {
    ProcessBuilder pb = new ProcessBuilder(cmd);
    pb.directory(directory);
    pb.redirectErrorStream(true); // error sent to output stream
    Process p = pb.start();

    // get output stream to string
    String s;
    StringBuilder sb = new StringBuilder();
    BufferedReader stdout = new BufferedReader(new InputStreamReader(p.getInputStream()));
    while ((s = stdout.readLine()) != null) {
        logger.info(s);
        sb.append(s);
        sb.append('\n');
    }
    String sbs = sb.toString();
    int exitValue = p.waitFor();
    if (exitValue != 0)
        throw new Exception(errorMessage + " exit value " + exitValue + "  " + sbs);
    return sbs;
}

---

From source file:com.cedarsoft.io.LinkUtils.java

/**
 * Creates a link.//from w w  w  .  j av a  2  s  . co  m
 * Returns true if the link has been created, false if the link (with the same link source) still exists.
 *
 * @param linkTarget the link source
 * @param linkFile   the link file
 * @param symbolic   whether to create a symbolic link
 * @return whether the link has been created (returns false if the link still existed)
 *
 * @throws IOException if something went wrong
 */
public static boolean createLink(@Nonnull File linkTarget, @Nonnull File linkFile, boolean symbolic)
        throws IOException {
    if (linkFile.exists()) {
        //Maybe the hard link still exists - we just don't know, so throw an exception
        if (!symbolic) {
            throw new IOException("link still exists " + linkFile.getAbsolutePath());
        }

        if (linkFile.getCanonicalFile().equals(linkTarget.getCanonicalFile())) {
            //still exists - that is ok, since it points to the same directory
            return false;
        } else {
            //Other target
            throw new IOException("A link still exists at <" + linkFile.getAbsolutePath()
                    + "> but with different target: <" + linkTarget.getCanonicalPath() + "> exected <"
                    + linkFile.getCanonicalPath() + ">");
        }
    }

    List<String> args = new ArrayList<String>();
    args.add("ln");
    if (symbolic) {
        args.add("-s");
    }
    args.add(linkTarget.getPath());
    args.add(linkFile.getAbsolutePath());

    ProcessBuilder builder = new ProcessBuilder(args);
    Process process = builder.start();
    try {
        int result = process.waitFor();
        if (result != 0) {
            throw new IOException("Creation of link failed: " + IOUtils.toString(process.getErrorStream()));
        }
    } catch (InterruptedException e) {
        throw new RuntimeException(e);
    }

    return true;
}

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