Example usage for java.lang Process waitFor

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:SwiftWork.java

/**
 * LINUX Operations//from w w w  .  j a v  a2s  .  com
 */

private static void linuxDeleteFile(String file) {
    String command = "/bin/rm -f " + file;
    Process p;
    try {
        p = Runtime.getRuntime().exec(command);
        p.waitFor();
        System.out.println("File :" + file + " is deleted successfully");
    } catch (Exception e) {
        e.printStackTrace();
        System.err.println("File :" + file + " is NOT deleted successfully");
    }

}

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From source file:com.dtolabs.rundeck.core.utils.ScriptExecUtil.java

/**
 * Run a command with environment variables in a working dir, and copy the streams
 *
 * @param command      the command array to run
 * @param envMap       the environment variables to pass in
 * @param workingdir   optional working dir location (or null)
 * @param outputStream stream for stdout
 * @param errorStream  stream for stderr
 *
 * @return the exit code of the command//w  w w.  j  a  v  a2 s .c om
 *
 * @throws IOException          if any IO exception occurs
 * @throws InterruptedException if interrupted while waiting for the command to finish
 */
public static int runLocalCommand(final String[] command, final Map<String, String> envMap,
        final File workingdir, final OutputStream outputStream, final OutputStream errorStream)
        throws IOException, InterruptedException {
    final String[] envarr = createEnvironmentArray(envMap);

    final Runtime runtime = Runtime.getRuntime();
    final Process exec = runtime.exec(command, envarr, workingdir);
    final Streams.StreamCopyThread errthread = Streams.copyStreamThread(exec.getErrorStream(), errorStream);
    final Streams.StreamCopyThread outthread = Streams.copyStreamThread(exec.getInputStream(), outputStream);
    errthread.start();
    outthread.start();
    exec.getOutputStream().close();
    final int result = exec.waitFor();
    errthread.join();
    outthread.join();
    if (null != outthread.getException()) {
        throw outthread.getException();
    }
    if (null != errthread.getException()) {
        throw errthread.getException();
    }
    return result;
}

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From source file:com.yahoo.sql4dclient.Main.java

/**
 * Run the command synchronously and return clubbed standard error and 
 * output stream's data.//from w w  w.j  a v a2 s .c o  m
 */
private static String runCommand(final String[] cmd) throws IOException, InterruptedException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    Process process = Runtime.getRuntime().exec(cmd);
    int c;
    InputStream in = process.getInputStream();
    while ((c = in.read()) != -1) {
        baos.write(c);
    }
    in = process.getErrorStream();
    while ((c = in.read()) != -1) {
        baos.write(c);
    }
    process.waitFor();
    return new String(baos.toByteArray());
}

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From source file:Main.java

public static BufferedReader shellExecute(String[] commands, boolean requireRoot) {
    Process shell = null;
    DataOutputStream out = null;//  w  w w . j ava2 s .  c om
    BufferedReader reader = null;
    String startCommand = requireRoot ? "su" : "sh";
    try {
        shell = Runtime.getRuntime().exec(startCommand);
        out = new DataOutputStream(shell.getOutputStream());
        reader = new BufferedReader(new InputStreamReader(shell.getInputStream()));
        for (String command : commands) {
            out.writeBytes(command + "\n");
            out.flush();
        }
        out.writeBytes("exit\n");
        out.flush();
        shell.waitFor();
    } catch (Exception e) {
        Log.e(TAG, "ShellRoot#shExecute() finished with error", e);
    } finally {
        try {
            if (out != null) {
                out.close();
            }
        } catch (Exception e) {

        }
    }
    return reader;
}

---

From source file:Main.java

public static String execRootCmd(String[] cmds) {
    String result = "";
    DataOutputStream dos = null;//from w w  w .ja  v  a2s.c om
    DataInputStream dis = null;

    try {
        Process p = Runtime.getRuntime().exec("su");
        dos = new DataOutputStream(p.getOutputStream());
        dis = new DataInputStream(p.getInputStream());

        for (String cmd : cmds) {
            Log.i("CmdUtils", cmd);
            dos.writeBytes(cmd + "\n");
            dos.flush();
        }
        dos.writeBytes("exit\n");
        dos.flush();
        String line;
        while ((line = dis.readLine()) != null) {
            Log.d("result", line);
            result += line;
        }
        p.waitFor();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (dos != null) {
            try {
                dos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (dis != null) {
            try {
                dis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}

---

From source file:ca.uqac.dim.net.verify.NetworkChecker.java

/**
 * Runs the NuSMV program as a spawned command-line process, and passes the
 * file to process through that process' standard input
 * @param file_contents A String containing the NuSMV model to process
 *///  w  w w.  ja v a2  s .  co  m
private static RuntimeInfos runNuSMV(String file_contents) throws IOException, InterruptedException {
    StringBuilder sb = new StringBuilder();
    Runtime rt = Runtime.getRuntime();
    long time_start = 0, time_end = 0;
    // Start NuSMV, and feed the model through its standard input
    time_start = System.currentTimeMillis();
    Process p = rt.exec(NUSMV_EXEC);
    OutputStream o = p.getOutputStream();
    InputStream i = p.getInputStream();
    InputStream e = p.getErrorStream();
    Writer w = new PrintWriter(o);
    w.write(file_contents);
    w.close(); // Close stdin so NuSMV can start processing it
    // Wait for NuSMV to be done, then collect its standard output
    int exitVal = p.waitFor();
    if (exitVal != 0)
        throw new IOException("NuSMV's return value indicates an error in processing its input");
    BufferedReader br = new BufferedReader(new InputStreamReader(i));
    String line;
    while ((line = br.readLine()) != null) {
        sb.append(line).append("\n");
    }
    time_end = System.currentTimeMillis();
    i.close(); // Close stdout
    e.close(); // Close stderr
    return new RuntimeInfos(sb.toString(), time_end - time_start);
}

---

From source file:ee.ria.xroad.proxy.messagelog.LogArchiver.java

private static void runTransferCommand(String transferCommand) {
    if (isBlank(transferCommand)) {
        return;/*from ww  w .  j av  a  2  s.  c  om*/
    }

    log.info("Transferring archives with shell command: \t{}", transferCommand);

    try {
        String[] command = new String[] { "/bin/bash", "-c", transferCommand };

        Process process = new ProcessBuilder(command).start();

        StandardErrorCollector standardErrorCollector = new StandardErrorCollector(process);

        new StandardOutputReader(process).start();

        standardErrorCollector.start();
        standardErrorCollector.join();

        process.waitFor();

        int exitCode = process.exitValue();
        if (exitCode != 0) {
            String errorMsg = String.format(
                    "Running archive transfer command '%s' " + "exited with status '%d'", transferCommand,
                    exitCode);

            log.error("{}\n -- STANDARD ERROR START\n{}\n" + " -- STANDARD ERROR END", errorMsg,
                    standardErrorCollector.getStandardError());
        }
    } catch (Exception e) {
        log.error("Failed to execute archive transfer command '{}'", transferCommand, e);
    }
}

---

From source file:edu.cwru.jpdg.Dotty.java

/**
 * Compiles the graph to dotty./*w  w  w.j  a v a 2  s . c  o  m*/
 */
public static String dotty(String graph) {

    byte[] bytes = graph.getBytes();

    try {
        ProcessBuilder pb = new ProcessBuilder("dotty");
        pb.redirectError(ProcessBuilder.Redirect.INHERIT);
        Process p = pb.start();
        OutputStream stdin = p.getOutputStream();
        stdin.write(bytes);
        stdin.close();

        String line;
        BufferedReader stdout = new BufferedReader(new InputStreamReader(p.getInputStream()));
        List<String> stdout_lines = new ArrayList<String>();
        line = stdout.readLine();
        while (line != null) {
            stdout_lines.add(line);
            line = stdout.readLine();
        }
        if (p.waitFor() != 0) {
            throw new RuntimeException("javac failed");
        }

        return StringUtils.join(stdout_lines, "\n");
    } catch (InterruptedException e) {
        throw new RuntimeException(e.getMessage());
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage());
    }
}

---

From source file:io.hops.hopsworks.common.security.PKIUtils.java

public static void revokeCert(Settings settings, String certFile, boolean intermediate)
        throws IOException, InterruptedException {
    logger.info("Revoking certificate...");
    List<String> cmds = new ArrayList<>();
    cmds.add("openssl");
    cmds.add("ca");
    cmds.add("-batch");
    cmds.add("-config");
    if (intermediate) {
        cmds.add(settings.getIntermediateCaDir() + "/openssl-intermediate.cnf");
    } else {/*from   w  w  w. j  ava  2  s  . c  o  m*/
        cmds.add(settings.getCaDir() + "/openssl-ca.cnf");
    }
    cmds.add("-passin");
    cmds.add("pass:" + settings.getHopsworksMasterPasswordSsl());
    cmds.add("-revoke");
    cmds.add(certFile);

    StringBuilder sb = new StringBuilder("/usr/bin/");
    for (String s : cmds) {
        sb.append(s).append(" ");
    }
    logger.info(sb.toString());

    Process process = new ProcessBuilder(cmds).directory(new File("/usr/bin/")).redirectErrorStream(true)
            .start();
    BufferedReader br = new BufferedReader(
            new InputStreamReader(process.getInputStream(), Charset.forName("UTF8")));
    String line;
    while ((line = br.readLine()) != null) {
        logger.info(line);
    }
    process.waitFor();
    int exitValue = process.exitValue();
    if (exitValue != 0) {
        throw new RuntimeException("Failed to revoke certificate. Exit value: " + exitValue);
    }
    logger.info("Revoked certificate.");
    //update the crl
    createCRL(settings, intermediate);
}

---

From source file:Main.java

public static String RunExecCmd(StringBuilder sb, Boolean su) {

    String shell;//from  w  w  w  .ja va2 s  . com
    if (su) {
        shell = "su";
    } else {
        shell = "sh";
    }

    Process process = null;

    DataOutputStream processOutput = null;
    InputStream processInput = null;
    String outmsg = new String();

    try {

        process = Runtime.getRuntime().exec(shell);
        processOutput = new DataOutputStream(process.getOutputStream());
        processOutput.writeBytes(sb.toString() + "\n");
        processOutput.writeBytes("exit\n");
        processOutput.flush();
        processInput = process.getInputStream();
        outmsg = inputStream2String(processInput, "UTF-8");
        process.waitFor();

    } catch (Exception e) {
        //Log.d("*** DEBUG ***", "ROOT REE" + e.getMessage());
        //return;
    }

    finally {
        try {
            if (processOutput != null) {
                processOutput.close();
            }
            process.destroy();
        } catch (Exception e) {
        }

    }
    return outmsg;
}

---

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