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: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 ww  w .j av a 2s .  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();
        }
    }
}

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From source file:com.github.pemapmodder.pocketminegui.utils.Utils.java

public static String exec(String... cmdLine) {
    try {//from   w w  w . j a  v  a 2s .c o  m
        Process process = new ProcessBuilder(cmdLine).start();
        process.waitFor();
        return new String(IOUtils.toByteArray(process.getInputStream()));
    } catch (IOException | InterruptedException e) {
        e.printStackTrace();
    }
    return null;
}

---

From source file:com.moz.fiji.schema.util.JvmId.java

/**
 * Returns the Unix process ID of this JVM.
 *
 * @return the Unix process ID of this JVM.
 *//*  w ww.  j  av a 2s  .c o  m*/
public static int getPid() {
    try {
        final Process process = new ProcessBuilder("/bin/sh", "-c", "echo $PPID").start();
        try {
            Preconditions.checkState(process.waitFor() == 0);
        } catch (InterruptedException ie) {
            throw new RuntimeInterruptedException(ie);
        }
        final String pidStr = IOUtils.toString(process.getInputStream()).trim();
        return Integer.parseInt(pidStr);
    } catch (IOException ioe) {
        throw new FijiIOException(ioe);
    }
}

---

From source file:eu.cloud4soa.c4sgitservice.utils.Util.java

public static synchronized int replaceBlockWithSedForAuthorizedKeys(String filename, String pubkeyid) {
    int retvalue = 1; //1=ERROR 0=OK

    try {// ww w. java  2  s.  c  om
        String sedblock = createSedBlockForAuthorizedKeys(pubkeyid);
        System.out.println(" sed -e " + sedblock + " " + filename);
        String[] command = new String[] { "sed", "-i", // -i is for replace // -e is used for piping
                sedblock, filename };
        System.out.println(command.toString());
        Process child = Runtime.getRuntime().exec(command);
        child.waitFor();
        //Get the input stream and read from it
        InputStream in = child.getInputStream();
        int c;
        while ((c = in.read()) != -1) {
            System.out.print((char) c);
        }
        in.close();
        retvalue = child.exitValue();
        System.out.println("Replace file returned: " + retvalue);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return retvalue;
}

---

From source file:eu.cloud4soa.c4sgitservice.utils.Util.java

public static synchronized int replaceBlockWithSedForProxyGit(String filename, String tag) {
    int retvalue = 1; //1=ERROR 0=OK

    try {//from   w  w w  .  j  a  v a  2  s .  c  o m
        String sedblock = createSedBlockForProxyGit(tag);
        System.out.println(" sed -e " + sedblock + " " + filename);
        String[] command = new String[] { "sed", "-i", // -i is for replace // -e is used for piping
                sedblock, filename };
        System.out.println(command.toString());
        Process child = Runtime.getRuntime().exec(command);
        child.waitFor();
        //Get the input stream and read from it
        InputStream in = child.getInputStream();
        int c;
        while ((c = in.read()) != -1) {
            System.out.print((char) c);
        }
        in.close();
        retvalue = child.exitValue();
        System.out.println("Replace file returned: " + retvalue);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return retvalue;
}

---

From source file:Main.java

/**
 *  Method to find the number of files from a particular folder on the device.
 *//*from  ww  w.  j a va2  s  . c  o  m*/
public static int findNumberOfFiles(String dFolderPath) throws InterruptedException {
    int numOfFiles = 0;
    Thread.sleep(500);
    try {
        ProcessBuilder process = new ProcessBuilder("adb", "shell", "ls", dFolderPath, "|", "wc", "-l");
        Process p = process.start();
        //Thread.sleep(5000);
        BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String line = null;
        p.waitFor();
        while ((line = br.readLine()) != null) {
            if (!line.equals(""))
                numOfFiles = Integer.parseInt(line);
        }
    } catch (Exception e) {
        System.out.println(e);
    }
    return numOfFiles;
}

---

From source file:hudson.os.WindowsUtil.java

/**
 * Creates an NTFS junction point if supported. Similar to symbolic links, NTFS provides junction points which
 * provide different features than symbolic links.
 * @param junction NTFS junction point to create
 * @param target target directory to junction
 * @return the newly created junction point
 * @throws IOException if the call to mklink exits with a non-zero status code
 * @throws InterruptedException if the call to mklink is interrupted before completing
 * @throws AssertionError if this method is called on a non-Windows platform
 *//* ww  w .  jav  a  2  s  .co m*/
public static @Nonnull File createJunction(@Nonnull File junction, @Nonnull File target)
        throws IOException, InterruptedException {
    assertTrue(Functions.isWindows());
    Process mklink = execCmd("mklink", "/J", junction.getAbsolutePath(), target.getAbsolutePath());
    int result = mklink.waitFor();
    if (result != 0) {
        String stderr = IOUtils.toString(mklink.getErrorStream());
        String stdout = IOUtils.toString(mklink.getInputStream());
        throw new IOException("Process exited with " + result + "\nStandard Output:\n" + stdout
                + "\nError Output:\n" + stderr);
    }
    return junction;
}

---

From source file:Main.java

private static void confirmExitValueIs(int expected, Process process) {
    // Consider if we need to add timeout logic here.
    while (true) {
        try {/*from w  w w .j a  va 2  s .  co  m*/
            process.waitFor();
            break;
        } catch (InterruptedException exception) {
            // do nothing, try to wait again
        }
    }

    int actual = process.exitValue();

    if (expected != actual) {
        throw new RuntimeException("Exit value of process was " + actual + " but expected " + expected);
    }
}

---

From source file:io.github.retz.executor.FileManager.java

private static void decompress(File file, String dir) throws IOException {
    LOG.info("{} needs decompression: starting", file);
    String[] cmd = { "tar", "xf", file.getAbsolutePath(), "-C", dir };
    ProcessBuilder pb = new ProcessBuilder().command(cmd).inheritIO();
    try {/* w w  w  .java 2s .  co m*/
        Process p = pb.start();
        int r = p.waitFor();
        if (r == 0) {
            LOG.info("file {} successfully decompressed", file);
        } else {
            LOG.error("Failed decompression of file {}: {}", file, r);
        }
    } catch (InterruptedException e) {
        LOG.error(e.getMessage());
    }
}

---

From source file:uk.ac.ebi.eva.test.utils.JobTestUtils.java

public static void restoreMongoDbFromDump(String dumpLocation) throws IOException, InterruptedException {
    logger.info("restoring DB from " + dumpLocation);

    Process exec = Runtime.getRuntime().exec("mongorestore " + dumpLocation);
    exec.waitFor();
    String line;/*from   w ww  . ja  va2s  . c  om*/
    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(exec.getInputStream()));
    while ((line = bufferedReader.readLine()) != null) {
        logger.info("mongorestore output:" + line);
    }
    bufferedReader.close();
    bufferedReader = new BufferedReader(new InputStreamReader(exec.getErrorStream()));
    while ((line = bufferedReader.readLine()) != null) {
        logger.info("mongorestore errorOutput:" + line);
    }
    bufferedReader.close();

    logger.info("mongorestore exit value: " + exec.exitValue());
}

---

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