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:Main.java

public static String executeCommand(String[] args) {
    String result = new String();
    ProcessBuilder processBuilder = new ProcessBuilder(args);
    Process process = null;//from   w ww  . ja v  a  2s  .c  o m
    InputStream errIs = null;
    InputStream inIs = null;
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int read = -1;
        process = processBuilder.start();
        errIs = process.getErrorStream();
        while ((read = errIs.read()) != -1) {
            baos.write(read);
        }
        baos.write('\n');
        inIs = process.getInputStream();
        while ((read = inIs.read()) != -1) {
            baos.write(read);
        }
        byte[] data = baos.toByteArray();
        result = new String(data);
    } catch (Exception e) {
        Log.e(TAG, e.getMessage(), e);
    } finally {
        try {
            if (errIs != null) {
                errIs.close();
            }
            if (inIs != null) {
                inIs.close();
            }
        } catch (IOException e) {
            Log.e(TAG, e.getMessage(), e);
        }
        if (process != null) {
            process.destroy();
        }
    }
    return result;
}

---

From source file:net.dv8tion.discord.Yui.java

private static void relaunchInUTF8() throws InterruptedException, UnsupportedEncodingException {
    System.out.println("BotLauncher: We are not running in UTF-8 mode! This is a problem!");
    System.out.println("BotLauncher: Relaunching in UTF-8 mode using -Dfile.encoding=UTF-8");

    String[] command = new String[] { "java", "-Dfile.encoding=UTF-8", "-jar",
            Yui.getThisJarFile().getAbsolutePath() };

    //Relaunches the bot using UTF-8 mode.
    ProcessBuilder processBuilder = new ProcessBuilder(command);
    processBuilder.inheritIO(); //Tells the new process to use the same command line as this one.
    try {/*from w  w w. j  ava 2  s. c  o m*/
        Process process = processBuilder.start();
        process.waitFor(); //We wait here until the actual bot stops. We do this so that we can keep using the same command line.
        System.exit(process.exitValue());
    } catch (IOException e) {
        if (e.getMessage().contains("\"java\"")) {
            System.out.println(
                    "BotLauncher: There was an error relaunching the bot. We couldn't find Java to launch with.");
            System.out.println("BotLauncher: Attempted to relaunch using the command:\n   "
                    + StringUtils.join(command, " ", 0, command.length));
            System.out.println(
                    "BotLauncher: Make sure that you have Java properly set in your Operating System's PATH variable.");
            System.out.println("BotLauncher: Stopping here.");
        } else {
            e.printStackTrace();
        }
    }
}

---

From source file:jmupen.JMupenUpdater.java

public static void startWinUpdaterApplication() {
    final String javaBin;
    javaBin = System.getProperty("java.home") + File.separator + "bin" + File.separator + "java.exe";
    File updaterJar = new File(tmpDir.getAbsolutePath() + File.separator + "bin" + File.separator + "win"
            + File.separator + "JMupenWinupdater.jar");

    File currentJarPathTxt = new File(
            tmpDir.getAbsolutePath() + File.separator + "bin" + File.separator + "currentjar.txt");
    try {/*from  www  .  ja v a  2  s  . c om*/
        FileUtils.writeStringToFile(currentJarPathTxt, getJarFile().getAbsolutePath());
    } catch (IOException e) {
        System.err.println("Error writing jar filepath " + e.getLocalizedMessage());
        JMupenGUI.getInstance().showError("Error writing jar filepath to txt", e.getLocalizedMessage());
    } catch (URISyntaxException ex) {
        System.err.println("Error writing jar filepath " + ex.getLocalizedMessage());

    }
    if (!updaterJar.exists()) {
        JMupenGUI.getInstance().showError("WinUpdater not found", "in folder: " + updaterJar.getAbsolutePath());
        return;
    }

    /* is it a jar file? */
    if (!updaterJar.getName().endsWith(".jar")) {
        JMupenGUI.getInstance().showError("WinUpdater does not end with .jar????",
                updaterJar.getAbsolutePath());
        return;
    }

    /* Build command: java -jar application.jar */
    final ArrayList<String> command = new ArrayList<String>();
    command.add(javaBin);
    command.add("-jar");
    command.add(updaterJar.getPath());

    final ProcessBuilder builder = new ProcessBuilder(command);
    try {
        builder.start();
    } catch (IOException ex) {
        System.err.println("Error starting updater. " + ex.getLocalizedMessage());
        JMupenGUI.getInstance().showError("Error starting updater", ex.getLocalizedMessage());
    }
    System.gc();
    System.exit(0);
}

---

From source file:minij.assembler.Assembler.java

public static void assemble(Configuration config, String assembly) throws AssemblerException {

    try {//  w ww  .j  a va2  s .co m
        new File(FilenameUtils.getPath(config.outputFile)).mkdirs();

        // -xc specifies the input language as C and is required for GCC to read from stdin
        ProcessBuilder processBuilder = new ProcessBuilder("gcc", "-o", config.outputFile, "-m32", "-xc",
                MiniJCompiler.RUNTIME_DIRECTORY.toString() + File.separator + "runtime_32.c", "-m32",
                "-xassembler", "-");
        Process gccCall = processBuilder.start();
        // Write C code to stdin of C Compiler
        OutputStream stdin = gccCall.getOutputStream();
        stdin.write(assembly.getBytes());
        stdin.close();

        gccCall.waitFor();

        // Print error messages of GCC
        if (gccCall.exitValue() != 0) {

            StringBuilder errOutput = new StringBuilder();
            InputStream stderr = gccCall.getErrorStream();
            String line;
            BufferedReader bufferedStderr = new BufferedReader(new InputStreamReader(stderr));
            while ((line = bufferedStderr.readLine()) != null) {
                errOutput.append(line + System.lineSeparator());
            }
            bufferedStderr.close();
            stderr.close();

            throw new AssemblerException(
                    "Failed to compile assembly:" + System.lineSeparator() + errOutput.toString());
        }

        Logger.logVerbosely("Successfully compiled assembly");
    } catch (IOException e) {
        throw new AssemblerException("Failed to transfer assembly to gcc", e);
    } catch (InterruptedException e) {
        throw new AssemblerException("Failed to invoke gcc", e);
    }

}

---

From source file:br.on.daed.services.pdf.DadosMagneticos.java

public static byte[] gerarPDF(String ano, String tipo)
        throws IOException, InterruptedException, UnsupportedOperationException {

    File tmpFolder;/* w ww. ja v a 2s .c  o m*/
    String folderName;

    Double anoDouble = Double.parseDouble(ano);
    List<String> dados = Arrays.asList(TIPO_DADOS_MAGNETICOS);

    byte[] ret = null;

    if (anoDouble >= ANO_MAGNETICO[0] && anoDouble < ANO_MAGNETICO[1] && dados.contains(tipo)) {

        do {

            folderName = "/tmp/dislin" + Double.toString(System.currentTimeMillis() * Math.random());
            tmpFolder = new File(folderName);

        } while (tmpFolder.exists());

        tmpFolder.mkdir();

        ProcessBuilder processBuilder = new ProcessBuilder("/opt/declinacao-magnetica/./gerar", ano, tipo);

        processBuilder.directory(tmpFolder);

        processBuilder.environment().put("LD_LIBRARY_PATH", "/usr/local/dislin");

        Process proc = processBuilder.start();

        proc.waitFor();

        ProcessHelper.outputProcess(proc);

        File arquivoServido = new File(folderName + "/dislin.pdf");

        FileInputStream fis = new FileInputStream(arquivoServido);

        ret = IOUtils.toByteArray(fis);

        processBuilder = new ProcessBuilder("rm", "-r", folderName);

        tmpFolder = new File("/");

        processBuilder.directory(tmpFolder);

        Process delete = processBuilder.start();

        delete.waitFor();

    } else {
        throw new UnsupportedOperationException("Entrada invlida");
    }
    return ret;
}

---

From source file:edu.uci.ics.asterix.installer.test.AsterixClusterLifeCycleIT.java

private static Process remoteInvoke(String cmd) throws Exception {
    ProcessBuilder pb = new ProcessBuilder("vagrant", "ssh", "cc", "-c", "MANAGIX_HOME=/tmp/asterix/ " + cmd);
    File cwd = new File(asterixProjectDir.toString() + "/" + CLUSTER_BASE);
    pb.directory(cwd);/*  ww w  .  j av a2 s. c  o  m*/
    pb.redirectErrorStream(true);
    Process p = pb.start();
    return p;
}

---

From source file:com.ikon.util.ExecutionUtils.java

/**
 * Execute command line: implementation/*from   w  ww. j a v  a2s.c o  m*/
 */
private static ExecutionResult runCmdImpl(final String cmd[], final long timeout)
        throws SecurityException, InterruptedException, IOException {
    log.debug("runCmdImpl({}, {})", Arrays.toString(cmd), timeout);
    ExecutionResult ret = new ExecutionResult();
    long start = System.currentTimeMillis();
    final ProcessBuilder pb = new ProcessBuilder(cmd);
    final Process process = pb.start();

    Timer t = new Timer("Process Execution Timeout");
    t.schedule(new TimerTask() {
        @Override
        public void run() {
            process.destroy();
            log.warn("Process killed due to timeout.");
            log.warn("CommandLine: {}", Arrays.toString(cmd));
        }
    }, timeout);

    try {
        ret.setStdout(IOUtils.toString(process.getInputStream()));
        ret.setStderr(IOUtils.toString(process.getErrorStream()));
    } catch (IOException e) {
        // Ignore
    }

    process.waitFor();
    t.cancel();
    ret.setExitValue(process.exitValue());

    // Check return code
    if (ret.getExitValue() != 0) {
        log.warn("Abnormal program termination: {}", ret.getExitValue());
        log.warn("CommandLine: {}", Arrays.toString(cmd));
        log.warn("STDERR: {}", ret.getStderr());
    } else {
        log.debug("Normal program termination");
    }

    process.destroy();
    log.debug("Elapse time: {}", FormatUtil.formatSeconds(System.currentTimeMillis() - start));
    return ret;
}

---

From source file:it.crs4.pydoop.mapreduce.pipes.Application.java

/**
 * Run a given command in a subprocess, including threads to copy its stdout
 * and stderr to our stdout and stderr.//  www  . ja  v  a  2 s. c  om
 * @param command the command and its arguments
 * @param env the environment to run the process in
 * @return a handle on the process
 * @throws IOException
 */
static Process runClient(List<String> command, Map<String, String> env) throws IOException {
    ProcessBuilder builder = new ProcessBuilder(command);
    if (env != null) {
        builder.environment().putAll(env);
    }
    Process result = builder.start();
    return result;
}

---

From source file:de.bamamoto.mactools.png2icns.Scaler.java

protected static String runProcess(String[] commandLine) throws IOException {
    StringBuilder cl = new StringBuilder();
    for (String i : commandLine) {
        cl.append(i);//  w w  w. ja v a 2  s .c o  m
        cl.append(" ");
    }

    String result = "";

    ProcessBuilder builder = new ProcessBuilder(commandLine);
    Map<String, String> env = builder.environment();
    env.put("PATH", "/usr/sbin:/usr/bin:/sbin:/bin");
    builder.redirectErrorStream(true);
    Process process = builder.start();

    String line;

    InputStream stdout = process.getInputStream();
    BufferedReader reader = new BufferedReader(new InputStreamReader(stdout));

    while ((line = reader.readLine()) != null) {
        result += line + "\n";
    }

    boolean isProcessRunning = true;
    int maxRetries = 60;

    do {
        try {
            isProcessRunning = process.exitValue() < 0;
        } catch (IllegalThreadStateException ex) {
            System.out.println("Process not terminated. Waiting ...");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException iex) {
                //nothing todo
            }
            maxRetries--;
        }
    } while (isProcessRunning && maxRetries > 0);
    System.out.println("Process has terminated");
    if (process.exitValue() != 0) {
        throw new IllegalStateException("Exit value not equal to 0: " + result);
    }
    if (maxRetries == 0 && isProcessRunning) {
        System.out.println("Process does not terminate. Try to kill the process now.");
        process.destroy();
    }

    return result;
}

---

From source file:com.google.dart.tools.designer.model.HtmlRenderHelper.java

/**
 * @return the image of given HTML content, may be <code>null</code>.
 *///from w ww  .  j a  va  2  s.  c om
public static Image renderImage(final String content) {
    try {
        File tempFile = File.createTempFile("htmlRender", ".html");
        try {
            IOUtils2.writeBytes(tempFile, content.getBytes());
            // start DumpRenderTree
            if (processOutputStream == null) {
                String path;
                {
                    Bundle bundle = DartDesignerPlugin.getDefault().getBundle();
                    URL url = bundle.getEntry("lib/DumpRenderTree.app/Contents/MacOS/DumpRenderTree");
                    path = FileLocator.toFileURL(url).getPath();
                }
                //        ProcessBuilder builder = new ProcessBuilder(path, "-p", tempFile.getAbsolutePath());
                ProcessBuilder builder = new ProcessBuilder(path, "-p", "-");
                builder.redirectErrorStream(true);
                Process process = builder.start();
                processOutputStream = process.getOutputStream();
                processInputStream = process.getInputStream();
                processReader = new BufferedReader(new InputStreamReader(processInputStream));
            }
            long start = System.nanoTime();
            // XXX
            //        processOutputStream.write((tempFile.getAbsolutePath() + "\n").getBytes());
            processOutputStream
                    .write(("http://127.0.0.1:3030/Users/scheglov/dart/dwc_first/web/out/dwc_first.html\n")
                            .getBytes());
            processOutputStream.flush();
            // read tree
            while (true) {
                String line = processReader.readLine();
                System.out.println(line);
                if (line.isEmpty()) {
                    break;
                }
            }
            // read image
            {
                processReader.readLine(); // ActualHash:
                processReader.readLine(); // Content-Type: image/png
                String lengthLine = processReader.readLine(); // Content-Length: 5546
                int pngLength = Integer.parseInt(StringUtils.removeStart(lengthLine, "Content-Length: "));
                //          System.out.println("pngLength: " + pngLength);
                char[] pngChars = new char[pngLength];
                readFully(processReader, pngChars);
                byte[] pngBytes = new String(pngChars).getBytes();
                Image image = new Image(null, new ByteArrayInputStream(pngBytes));
                System.out.println("imageTime: " + (System.nanoTime() - start) / 1000000.0);
                return image;
            }
            //
            //        {
            //          SessionInputBuffer buffer = new AbstractSessionInputBuffer() {
            //            {
            //              init(processInputStream, 1024, new BasicHttpParams());
            //            }
            //
            //            @Override
            //            public boolean isDataAvailable(int timeout) throws IOException {
            //              return false;
            //            }
            //          };
            //          LineParser lineParser = new BasicLineParser(new ProtocolVersion("HTTP", 1, 1));
            //          HttpMessageParser<HttpResponse> parser = new DefaultHttpResponseParser(
            //              buffer,
            //              lineParser,
            //              new DefaultHttpResponseFactory(),
            //              new BasicHttpParams());
            //          HttpResponse response = parser.parse();
            //          System.out.println(response);
            //          HttpParams params = new BasicHttpParams();
            //          SessionInputBuffer inbuffer = new SessionInputBufferMockup(s, "US-ASCII", params);
            //          HttpMessageParser<BasicHttpResponse> parser = new DefaultResponseParser(
            //              inbuffer,
            //              BasicLineParser.DEFAULT,
            //              new DefaultHttpResponseFactory(),
            //              params);
            //
            //          HttpResponse response = parser.parse();
            //        }
            //        while (true) {
            //          String line = processReader.readLine();
            //          System.out.println(line);
            //        }
            //
            //        byte[] bytes = IOUtils2.readBytes(processInputStream);
            //        int exitValue = process.exitValue();
            //        System.out.println("bytes: " + bytes.length);
            //        System.out.println("bytesTime: " + (System.nanoTime() - start) / 1000000.0);
            //        String output = new String(bytes);
            //        System.out.println(StringUtils.substring(output, -10, 0));
            ////        System.out.println(output);
            //        //
            //        int pngOffset = output.indexOf("Content-Type: image/png");
            //        pngOffset = output.indexOf('\n', pngOffset) + 1;
            //        pngOffset = output.indexOf('\n', pngOffset) + 1;
            //        Image image = new Image(null, new ByteArrayInputStream(bytes, pngOffset, bytes.length
            //            - pngOffset));
            //        System.out.println("imageTime: " + (System.nanoTime() - start) / 1000000.0);
            //        return image;
        } finally {
            tempFile.delete();
        }
    } catch (Throwable e) {
        e.printStackTrace();
    }
    return null;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »