Example usage for java.lang Process waitFor

List of usage examples for java.lang Process waitFor

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Introduction

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

Prototype

public abstract int waitFor() throws InterruptedException;

Source Link

Document

Causes the current thread to wait, if necessary, until the process represented by this Process object has terminated.

Usage

From source file:de.unibremen.informatik.tdki.combo.rewriting.FakeFilterRewriter.java

private void compileCode() throws InterruptedException, IOException {
    Process p = Runtime.getRuntime().exec("cc -c " + sourceDir + "db2ffinterface.c -I" + db2IncludeDir
            + " -fpic -D_REENTRANT -m64 -o " + outputDir + "db2ffinterface.o");
    printOutput(p);//w  w w.j  a v  a 2 s  .  co m
    p.waitFor();
    p = Runtime.getRuntime().exec("cc -shared -lpthread -o " + outputDir + "libDB2FakeFilter" + libNo
            + ".dylib " + outputDir + "db2ffinterface.o");
    printOutput(p);
    p.waitFor();
}

From source file:com.microsoft.tfs.client.common.ui.protocolhandler.ProtocolHandlerWindowsRegistrationCommand.java

private String getCurrentProtocolHandlerRegistryValue() {
    BufferedReader stdout = null;
    String line;//from  w ww . j av a  2s. com

    try {
        final ProcessBuilder pb = new ProcessBuilder("reg", //$NON-NLS-1$
                "query", //$NON-NLS-1$
                PROTOCOL_HANDLER_REGISTRY_PATH, "/ve"); //$NON-NLS-1$
        pb.redirectErrorStream(true);

        final Process cmd = pb.start();
        int rc = cmd.waitFor();

        if (rc == 0) {
            stdout = new BufferedReader(new InputStreamReader(cmd.getInputStream()));
            while ((line = stdout.readLine()) != null) {
                int idx = 0;
                /* @formatter:off
                 * the output contains at most one line like 
                 * 
                 *    (Default)    REG_EXPAND_SZ    "%USERPROFILE%\.vsts\latestIDE.cmd" "%1"
                 * 
                 * @formatter:on
                 */
                if ((idx = line.indexOf(PROTOCOL_HANDLER_REG_VALUE_TYPE)) < 0) {
                    continue;
                }

                return line.substring(idx + PROTOCOL_HANDLER_REG_VALUE_TYPE.length()).trim();
            }
        }
    } catch (final InterruptedException e) {
        log.warn("Protocol handler registration has been cancelled."); //$NON-NLS-1$
    } catch (final Exception e) {
        log.error("Error accessing Windows registry:", e); //$NON-NLS-1$
    } finally {
        tryClose(stdout);
    }

    return null;
}

From source file:com.thoughtworks.go.agent.AgentProcessParentImplTest.java

private Process mockProcess(final InputStream outputStream, final InputStream errorStream,
        final OutputStream inputStream) throws InterruptedException {
    final Process subProcess = mock(Process.class);
    when(subProcess.waitFor()).thenReturn(42);
    when(subProcess.getInputStream()).thenReturn(outputStream);
    when(subProcess.getErrorStream()).thenReturn(errorStream);
    when(subProcess.getOutputStream()).thenReturn(inputStream);
    return subProcess;
}

From source file:ape.SuspendNodeCommand.java

public boolean runImpl(String[] args) throws IOException {
    String nodeType = null;// w  w w .j a  v a 2  s.co  m
    nodeType = args[0];

    if (Main.VERBOSE)
        System.out.println("Nodetype" + args[0]);

    Process p;

    if (nodeType.toLowerCase().equals("datanode") || nodeType.toLowerCase().equals("tasktracker")
            || nodeType.toLowerCase().equals("jobtracker") || nodeType.toLowerCase().equals("namenode")) {
        System.out.println("Suspend is about to execute the following command:");
        String cmd = "echo \"kill -19 \\$(ps aux | grep -i " + nodeType
                + " | grep -v grep | grep -v ape | awk -F ' '  '{print \\$2}')\" > kill-node.sh && chmod +x kill-node.sh && ./kill-node.sh";
        System.out.println(cmd);
        /**
         * The above code block checks to see if a valid node type is passed.
         * If it is, then it sends a very ugly bash command to kill the corresponding process.
         * It gets a list of running processes, then greps it for the node type, then 
         * removes the result generated by running grep, then it gets the process ID of that line 
         * 
         */

        ProcessBuilder pb = new ProcessBuilder("bash", "-c", cmd);
        pb.redirectErrorStream(true);
        Process sh;
        try {
            sh = pb.start();
        } catch (IOException e1) {
            e1.printStackTrace();
            return false;
        }

        try {
            sh.waitFor();
        } catch (InterruptedException e) {
            System.out.println("The suspend node command caught an Interrupt...");
            e.printStackTrace();
            return false;
        }
        InputStream shIn = sh.getInputStream();
        int c;
        while ((c = shIn.read()) != -1) {
            System.out.write(c);
        }
        try {
            shIn.close();
        } catch (IOException e) {
            System.out.println("Could not close InputStream from the suspend process.");
            e.printStackTrace();
            return false;
        }
        return true;
    } else {
        System.err.println("Invalid node type.");
        return false;
    }
}

From source file:mitm.common.util.ProcessUtils.java

/**
 * Helper method that executes the given cmd and returns the output. The process will be destroyed 
 * if the process takes longer to execute than the timeout.  
 *//*  w  ww . java 2  s.c om*/
public static void executeCommand(List<String> cmd, long timeout, InputStream input, OutputStream output)
        throws IOException {
    Check.notNull(cmd, "cmd");

    if (cmd.size() == 0) {
        throw new IOException("Process is missing.");
    }

    /*
     * Used for reporting
     */
    String name = StringUtils.join(cmd, ",");

    /*
     * Watchdog that will be used to destroy the process on a timeout
     */
    TaskScheduler watchdog = new TaskScheduler(ProcessUtils.class.getCanonicalName() + "#" + name);

    try {
        ProcessBuilder processBuilder = new ProcessBuilder(cmd);
        processBuilder.redirectErrorStream(true);

        Process process = processBuilder.start();

        /*
         * Task that will destroy the process on a timeout
         */
        Task processWatchdogTask = new DestroyProcessTimeoutTask(process, watchdog.getName());

        watchdog.addTask(processWatchdogTask, timeout);

        /*
         * Task that will interrup the current thread on a timeout
         */
        Task threadInterruptTimeoutTask = new ThreadInterruptTimeoutTask(Thread.currentThread(),
                watchdog.getName());

        watchdog.addTask(threadInterruptTimeoutTask, timeout);

        /*
         * Send the input to the standard input of the process
         */
        if (input != null) {
            IOUtils.copy(input, process.getOutputStream());

            IOUtils.closeQuietly(process.getOutputStream());
        }

        /*
         * Get the standard output from the process
         */
        if (output != null) {
            IOUtils.copy(process.getInputStream(), output);
        }

        int exitValue;

        try {
            exitValue = process.waitFor();
        } catch (InterruptedException e) {
            throw new IOException("Error executing [" + name + "]", e);
        }

        if (exitValue != 0) {
            throw new ProcessException("Error executing [" + name + "]. exit value: " + exitValue, exitValue);
        }
    } finally {
        /*
         * Need to cancel any pending tasks
         */
        watchdog.cancel();
    }
}

From source file:com.liferay.blade.cli.ConvertThemeCommand.java

public void importTheme(String themePath) throws Exception {
    Process process = Util.startProcess(_blade, "yo liferay-theme:import -p \"" + themePath + "\" -c "
            + compassSupport(themePath) + " --skip-install", _themesDir, false);

    int errCode = process.waitFor();

    if (errCode == 0) {
        _blade.out().println("Theme " + themePath + " migrated successfully");

        File theme = new File(themePath);

        FileUtils.deleteDirectory(theme);
    } else {//from  w w w .j  ava  2s  .  c  o m
        _blade.error("blade exited with code: " + errCode);
    }
}

From source file:hu.tvdr.serialport.serialport.java

public void SerialPortCall(File device, int baudrate, int flags) throws SecurityException, IOException {

    /* Check access permission */
    if (!device.canRead() || !device.canWrite()) {
        try {/*from  w ww .ja va 2s  .  c o m*/
            /* Missing read/write permission, trying to chmod the file */
            Process su;
            su = Runtime.getRuntime().exec("/system/bin/su");
            String cmd = "chmod 666 " + device.getAbsolutePath() + "\n" + "exit\n";
            su.getOutputStream().write(cmd.getBytes());
            if ((su.waitFor() != 0) || !device.canRead() || !device.canWrite()) {
                throw new SecurityException();
            }
        } catch (Exception e) {
            e.printStackTrace();
            throw new SecurityException();
        }
    }

    mFd = open(device.getAbsolutePath(), baudrate, flags);
    if (mFd == null) {
        Log.e(TAG, "native open returns null");
        throw new IOException();
    }
    mFileInputStream = new FileInputStream(mFd);
    mFileOutputStream = new FileOutputStream(mFd);
}