Example usage for java.lang ProcessBuilder start

Introduction

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

Prototype

public Process start() throws IOException 

Source Link

Document

Starts a new process using the attributes of this process builder.

Usage

From source file:annis.visualizers.component.AbstractDotVisualizer.java

public void writeOutput(VisualizerInput input, OutputStream outstream) {

    StringBuilder dot = new StringBuilder();

    try {/*from w w  w . j  av  a  2  s .  c  o m*/
        File tmpInput = File.createTempFile("annis-dot-input", ".dot");
        tmpInput.deleteOnExit();

        // write out input file
        StringBuilder dotContent = new StringBuilder();
        createDotContent(input, dotContent);
        FileUtils.writeStringToFile(tmpInput, dotContent.toString());

        // execute dot
        String dotPath = input.getMappings().getProperty("dotpath", "dot");
        ProcessBuilder pBuilder = new ProcessBuilder(dotPath, "-Tpng", tmpInput.getCanonicalPath());

        pBuilder.redirectErrorStream(false);
        Process process = pBuilder.start();

        InputStream inputFromProcess = process.getInputStream();
        for (int chr = inputFromProcess.read(); chr != -1; chr = inputFromProcess.read()) {
            outstream.write(chr);
        }

        inputFromProcess.close();

        int resultCode = process.waitFor();

        if (resultCode != 0) {
            InputStream stderr = process.getErrorStream();
            StringBuilder errorMessage = new StringBuilder();

            for (int chr = stderr.read(); chr != -1; chr = stderr.read()) {
                errorMessage.append((char) chr);
            }
            if (!"".equals(errorMessage.toString())) {
                log.error(
                        "Could not execute dot graph-layouter.\ncommand line:\n{}\n\nstderr:\n{}\n\nstdin:\n{}",
                        new Object[] { StringUtils.join(pBuilder.command(), " "), errorMessage.toString(),
                                dot.toString() });
            }
        }

        // cleanup
        if (!tmpInput.delete()) {
            log.warn("Cannot delete " + tmpInput.getAbsolutePath());
        }

    } catch (Exception ex) {
        log.error(null, ex);
    }
}

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From source file:com.novartis.pcs.ontology.service.graph.DOTProcessImpl.java

@PostConstruct
protected void init() {
    ProcessBuilder processBuilder = new ProcessBuilder(Arrays.asList(dotPath, "-Tsvg"));

    try {/* w ww  . j a v  a  2 s .  c  o  m*/
        process = processBuilder.start();
        buffer = new byte[262144];
        count = 0;
        skip = new int[256];
    } catch (IOException e) {
        String msg = "Failed to start dot process";
        logger.log(Level.WARNING, msg, e);
        throw new RuntimeException(msg, e);
    }
}

---

From source file:frk.gpssimulator.service.impl.DefaultGpsdService.java

/**
 * Start given process./* w ww .j a  v  a  2  s  . c  om*/
 * @param command
 * @param wait for process to exit
 * @return
 */
int startProc(String command, Boolean wait) throws IOException, InterruptedException {
    String[] commandArray = command.split(" ");
    ProcessBuilder pb = new ProcessBuilder(commandArray);
    pb.redirectErrorStream(true); //redirect errorstream and outputstream to single stream
    Process proc = pb.start();
    BufferedReader in = new BufferedReader(new InputStreamReader(proc.getInputStream()));
    String line;
    //empty the output buff of the proc
    while ((line = in.readLine()) != null) {
        LOGGER.info(line);
    }

    if (wait) {
        return proc.waitFor();
    } else {
        return 0;
    }

}

---

From source file:ape.NetworkSlowCommand.java

/**
 * This method implements the event//from  ww  w  .j  a  v a 2s . c  o  m
 * @param time The amount of time to delay all network traffic in milliseconds
 * @param period How long the delay should last in seconds
 * @return True if successful execution, false if an error occurred
 * @throws IOException
 */
private boolean executecommand(double time, double period) throws IOException {
    String cmd = "tc qdisc add dev eth0 root netem delay " + time + "ms && sleep " + period
            + " && tc qdisc del dev eth0 root netem";
    ProcessBuilder pb = new ProcessBuilder("bash", "-c", cmd);
    pb.redirectErrorStream(true);
    Process p = null;

    try {
        p = pb.start();
    } catch (IOException e) {
        System.err.println(
                "Executing network connection simulation catches IOException, enter VERBOSE mode to see the Stack Trace");
        e.printStackTrace();
        return false;
    }

    try {
        int retVal = p.waitFor();
        System.out.println("The return value for '" + cmd + "' was " + retVal);
        if (retVal != 0) {
            System.err.println("Non-zero return code (" + p.exitValue() + ") when executing: '" + cmd + "'");

            ProcessBuilder tmp2 = new ProcessBuilder("bash", "-c", "tc qdisc del dev eth0 root netem");
            Process ptmp = tmp2.start();
            try {
                if (ptmp.waitFor() == 0)
                    System.out.println("Connection Resumed");
                else {
                    System.out.println("Connection Resumed Failed");
                    return false;
                }
            } catch (InterruptedException e1) {
                e1.printStackTrace();
                System.err.println("Catches an exception when trying to recover the network");
                return false;
            }

            return false;

        }
    } catch (InterruptedException e) {
        System.err.println("Executing Command catches an Interrupt, resume connection");
        ProcessBuilder tmp2 = new ProcessBuilder("bash", "-c", "tc qdisc del dev eth0 root netem");
        Process ptmp = tmp2.start();
        try {
            if (ptmp.waitFor() == 0)
                System.out.println("Connection Resumed");
            else {
                System.out.println("Connection Resumed Failed");
                return false;
            }
        } catch (InterruptedException e1) {
            e1.printStackTrace();
            System.err.println("Catches an exception when trying to recover the network");
            e.printStackTrace();
            return false;
        }
        e.printStackTrace();
        return false;
    }

    return true;
}

---

From source file:alluxio.cli.AlluxioFrameworkIntegrationTest.java

private void startAlluxioFramework(Map<String, String> extraEnv) {
    String startScript = PathUtils.concatPath(Configuration.get(PropertyKey.HOME), "integration", "mesos",
            "bin", "alluxio-mesos-start.sh");
    ProcessBuilder pb = new ProcessBuilder(startScript, mMesosAddress);
    Map<String, String> env = pb.environment();
    env.putAll(extraEnv);//from w  w  w  .j  av a  2  s .  c  om
    try {
        pb.start().waitFor();
    } catch (Exception e) {
        LOG.info("Failed to launch Alluxio on Mesos. Note that this test requires that "
                + "Mesos is currently running.");
        throw new RuntimeException(e);
    }
}

---

From source file:com.web.searchlocal.flashpaper.thread.Covnert2SwfTask.java

/** 
 * /*from w w w .j  a  v  a 2s .com*/
 */
public void excute() {
    String tmpOutFile = outFile.getPath().concat(File.separator)
            .concat(inFile.getName().replaceAll("[.]{1}.*$", ".swf"));
    List<String> commandArray = new ArrayList<String>();
    commandArray.add(defaultCommand);
    commandArray.add(inFile.getPath());
    commandArray.add("-o");
    commandArray.add(tmpOutFile);
    ProcessBuilder pbObj = new ProcessBuilder();
    pbObj.command(commandArray);
    pbObj.directory(outFile);
    pbObj.redirectErrorStream(true);
    try {
        Process proObj = pbObj.start();
        final InputStream ins = proObj.getInputStream();
        final ByteBuffer byteBuffer = ByteBuffer.allocate(1024);
        Thread th = new Thread() {
            public void run() {
                ReadableByteChannel rbcObj = Channels.newChannel(ins);
                try {
                    while (rbcObj.read(byteBuffer) != -1) {
                        byteBuffer.flip();
                        logger.info(java.nio.charset.Charset.defaultCharset().decode(byteBuffer));
                        byteBuffer.clear();
                    }
                } catch (IOException e) {
                    logger.error(e);
                }
            }
        };
        th.setDaemon(true);
        th.start();
        try {
            proObj.waitFor();
            logger.error("??." + tmpOutFile);
        } catch (InterruptedException e) {
            logger.error(e);
        }
    } catch (IOException e) {
        logger.error(e);
    }
}

---

From source file:gda.device.detector.mythen.client.TextClientMythenClient.java

private MythenTextClientExecResult execProcess(String... args) throws DeviceException {

    if (!EXEC_LOCK.tryLock()) {
        throw new DeviceException("Cannot acquire: client is already running");
    }//from www. ja v a2  s  .co  m

    try {
        MythenTextClientExecResult result = new MythenTextClientExecResult();

        // Build argument list
        List<String> argList = new Vector<String>();
        argList.add(host);
        argList.addAll(Arrays.asList(args));
        logger.info("Starting acquisition");
        logger.debug("Executing Mythen client with args " + argList);

        // Prepend executable name to argument list
        argList.add(0, mythenClientCommand);

        ProcessBuilder pb = new ProcessBuilder(argList);
        try {
            Process p = pb.start();
            BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
            try {
                logger.debug("wait for TextClient to complete data acquisition ...");
                p.waitFor();
                logger.debug("TextClient returned.");
            } catch (InterruptedException e) {
                throw new DeviceException("Unable to wait for text client to finish", e);
            }

            result.output = FileCopyUtils.copyToString(br);

            result.exitValue = p.exitValue();
            if (result.exitValue != 0) {
                throw new DeviceException(
                        String.format("Client exited with non-zero status: %d", result.exitValue));
            }
            InterfaceProvider.getTerminalPrinter().print("Save to file " + this.params.getFilename());
            logger.info("Acquisition completed successfully");
            logger.debug("Client successfully exited with status code " + result.exitValue);

            return result;

        } catch (IOException e) {
            throw new DeviceException("Client operation failed", e);
        }
    } finally {
        EXEC_LOCK.unlock();
    }
}

---

From source file:com.twosigma.beakerx.kernel.MagicKernelManager.java

private void initPythonProcess() throws NoSuchKernelException {
    //cleanup communication resources if already in use
    exit();/*  w  w  w . j  av  a 2s  .co m*/

    port = findFreePort();
    pythonPort = findFreePort();

    try {
        ProcessBuilder pb = new ProcessBuilder(getPy4jCommand());
        pb.redirectError(ProcessBuilder.Redirect.INHERIT);
        pythonProcess = pb.start();
        BufferedReader br = new BufferedReader(new InputStreamReader(pythonProcess.getInputStream()));
        while (!PY4J_INIT_MESSAGE.equals(br.readLine()) && pythonProcess.isAlive()) {
            //wait for python process to initialize properly
        }
        if (!pythonProcess.isAlive() && pythonProcess.exitValue() == NO_SUCH_KERNEL_CODE) {
            throw new NoSuchKernelException(kernelName);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:com.palantir.tslint.Linter.java

public void lint(IResource resource, String configurationPath) throws IOException {
    String resourceName = resource.getName();
    if (resource instanceof IFile && resourceName.endsWith(".ts") && !resourceName.endsWith(".d.ts")) {
        IFile file = (IFile) resource;/* w  w  w  . j  a v  a2 s  .  com*/
        String linterPath = TSLintPlugin.getLinterPath();
        String resourcePath = resource.getRawLocation().toOSString();

        // remove any pre-existing markers for the given file
        deleteMarkers(file);

        // start tslint and get its output
        ProcessBuilder processBuilder = new ProcessBuilder(this.nodePath, linterPath, "-f", resourcePath, "-t",
                "json", "-c", configurationPath);

        Process process = processBuilder.start();
        BufferedReader reader = new BufferedReader(
                new InputStreamReader(process.getInputStream(), Charsets.UTF_8));
        String jsonString = reader.readLine();

        // now that we have the complete output, terminate the process
        process.destroy();

        if (jsonString != null) {
            ObjectMapper objectMapper = new ObjectMapper();
            RuleFailure[] ruleFailures = objectMapper.readValue(jsonString, RuleFailure[].class);
            for (RuleFailure ruleFailure : ruleFailures) {
                addMarker(ruleFailure);
            }
        }
    }
}

---

From source file:postenergy.PostEnergy.java

private void initUI() {

    /* Definitions */
    JPanel panel = new JPanel();
    getContentPane().add(panel);// w  ww .j a v  a  2  s. c om

    panel.setLayout(null);

    /* Basic elements */

    JButton getBatteryInfo = new JButton("Get Battery Info");
    getBatteryInfo.setBounds(0, 60, 180, 30);
    getBatteryInfo.setToolTipText("Get Battery Info");
    getBatteryInfo.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent event) {
            System.out.println("getBatteryInfo button pressed!");

            ProcessBuilder pbs = new ProcessBuilder("/Users/thomas/Development/script.sh");

            try {
                Process p = pbs.start();
                BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
                StringBuilder builder = new StringBuilder();
                String line = null;
                try {
                    while ((line = br.readLine()) != null) {
                        builder.append(line);
                        builder.append(System.getProperty("line.separator"));
                    }
                } catch (IOException ex) {
                    Logger.getLogger(PostEnergy.class.getName()).log(Level.SEVERE, null, ex);
                }
                String result = builder.toString();
                System.out.println("Result: " + result);

                // Send as POST request
                String[] paramNames = new String[] { "t", "h" };
                String[] paramVals = new String[] { result, result + 100 };

                PostHttpClient("mindass", paramNames, paramVals);
            } catch (IOException ex) {
                System.out.println("Error with the processbuilder!");
                Logger.getLogger(PostEnergy.class.getName()).log(Level.SEVERE, null, ex);
            }

        }
    });

    panel.add(getBatteryInfo);

    JButton sendPost = new JButton("Send Post");
    sendPost.setBounds(0, 30, 180, 30);
    sendPost.setToolTipText("Send Post");

    sendPost.addActionListener(new ActionListener() {
        @Override

        public void actionPerformed(ActionEvent event) {
            System.out.println("sendPost button pressed!");

            PostHttpClient("mindass", new String[] { "t", "h" }, new String[] { "23", "44" });

        }

    });

    panel.add(sendPost);

    JButton quitButton = new JButton("Quit");
    quitButton.setBounds(0, 0, 80, 30);
    quitButton.setToolTipText("Quit iPower");

    quitButton.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent event) {
            System.out.println("Quit button pressed!");
            System.exit(0);
        }
    });

    panel.add(quitButton);

    /* Set init */
    setTitle("iPower");
    setSize(300, 200);
    setLocationRelativeTo(null);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
}

---

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