Example usage for java.lang Process exitValue

Introduction

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

Prototype

public abstract int exitValue();

Source Link

Document

Returns the exit value for the process.

Usage

From source file:org.apache.tika.eval.TikaEvalCLITest.java

private static void execute(List<String> incomingArgs, long maxMillis) throws IOException {
    List<String> args = new ArrayList<>();
    String cp = System.getProperty("java.class.path");
    args.add("java");
    args.add("-cp");
    args.add(cp);/*from w  w w.j a v  a2  s . c  o  m*/
    args.add("org.apache.tika.eval.TikaEvalCLI");
    args.addAll(incomingArgs);

    ProcessBuilder pb = new ProcessBuilder(args);
    pb.redirectOutput(ProcessBuilder.Redirect.INHERIT);
    pb.redirectError(ProcessBuilder.Redirect.INHERIT);
    Process process = pb.start();
    long started = new Date().getTime();
    long elapsed = new Date().getTime() - started;
    int exitValue = Integer.MIN_VALUE;
    while (elapsed < maxMillis && exitValue == Integer.MIN_VALUE) {
        try {
            exitValue = process.exitValue();
        } catch (IllegalThreadStateException e) {

        }
        elapsed = new Date().getTime() - started;
    }
    if (exitValue == Integer.MIN_VALUE) {
        process.destroy();
        throw new RuntimeException(
                "Process never exited within the allowed amount of time.\n" + "I needed to destroy it");
    }
}

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From source file:org.kuali.student.git.utils.ExternalGitUtils.java

/**
 * Run the batch ref updates using the external git command instead of the
 * JGit command./*from w w w. j  a  v a2  s. c o  m*/
 * 
 * @param externalGitCommand
 * @param repo
 * @param deferredReferenceDeletes
 * @param redirectStream
 * @throws IOException
 */
public static void batchRefUpdate(String externalGitCommand, Repository repo,
        List<ReceiveCommand> deferredReferenceDeletes, OutputStream redirectStream) throws IOException {

    for (ReceiveCommand receiveCommand : deferredReferenceDeletes) {

        String[] parts = receiveCommand.getRefName().split("/");

        String refName = parts[parts.length - 1];

        ObjectId refObjectId = receiveCommand.getNewId();

        List<String> commandOptions = new ArrayList<>();

        commandOptions.add(externalGitCommand);

        switch (receiveCommand.getType()) {

        case CREATE:
            commandOptions.add("branch");
            commandOptions.add(refName);
            commandOptions.add(refObjectId.getName());
            break;
        case DELETE:
            commandOptions.add("branch");
            commandOptions.add("-D");
            commandOptions.add(refName);
            break;
        case UPDATE:
        case UPDATE_NONFASTFORWARD:
            commandOptions.add("branch");
            commandOptions.add("-f");
            commandOptions.add(refName);
            commandOptions.add(refObjectId.getName());
            break;
        }

        try {
            Process p = runGitCommand(repo, true, commandOptions);

            waitFor(p, redirectStream);

            if (p.exitValue() == 0) {
                // normal termination

                if (receiveCommand.getType().equals(Type.CREATE)) {
                    // C git doesn't say anything in this case so log it
                    redirectStream.write(("Created branch " + receiveCommand.getRefName() + "\n").getBytes());
                }

            }

        } catch (InterruptedException e) {
        }

    }
}

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From source file:org.noroomattheinn.utils.Utils.java

public static void openFileViewer(String where) {
    String command = "";

    if (SystemUtils.IS_OS_MAC) {
        command = "open";
    } else if (SystemUtils.IS_OS_WINDOWS) {
        command = "Explorer.exe";
    } else if (SystemUtils.IS_OS_LINUX) {
        //command = "vi";
        command = "xdg-open";
    }/*from www.  ja v  a2 s  .  c om*/

    try {
        Process p = (new ProcessBuilder(command, where)).start();
        p.waitFor();
        if (p.exitValue() != 0) {
            logger.warning("Unable to open file viewer with command: " + command);
        }
    } catch (IOException | InterruptedException ex) {
        logger.warning("Unable able to open file viewer: " + ex);
    }
}

---

From source file:at.ac.tuwien.dsg.cloud.salsa.engine.utils.SystemFunctions.java

public static int executeCommandGetReturnCode(String cmd, String workingDir, String executeFrom) {
    if (workingDir == null) {
        workingDir = "/tmp";
    }/* w  w w  .jav a 2  s.  c  o  m*/
    logger.debug("Execute command: " + cmd + ". Working dir: " + workingDir);
    try {
        String[] splitStr = cmd.split("\\s+");
        ProcessBuilder pb = new ProcessBuilder(splitStr);
        pb.directory(new File(workingDir));
        pb = pb.redirectErrorStream(true); // this is important to redirect the error stream to output stream, prevent blocking with long output
        Map<String, String> env = pb.environment();
        String path = env.get("PATH");
        path = path + File.pathSeparator + "/usr/bin:/usr/sbin";
        logger.debug("PATH to execute command: " + pb.environment().get("PATH"));
        env.put("PATH", path);

        Process p = pb.start();

        BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String line;
        while ((line = reader.readLine()) != null) {
            logger.debug(line);
        }
        p.waitFor();
        int returnCode = p.exitValue();
        logger.debug("Execute command done: " + cmd + ". Get return code: " + returnCode);
        return returnCode;
    } catch (InterruptedException | IOException e1) {
        logger.error("Error when execute command. Error: " + e1);
    }
    return -1;
}

---

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);/*from  w w  w  . j a  va 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:net.sf.jasperreports.customvisualization.export.CVElementPhantomJSImageDataProvider.java

/**
 * Kill a process, if still active, after millisDelay
 * //from   ww w .j  a v a  2s.co m
 * @param externalProcess
 * @param millisDelay
 * @return true if the process had to be terminated, false if the process
 *         exited before the timeout
 */
public static boolean killProcess(Process externalProcess, int millisDelay) {
    try {
        Thread.sleep(millisDelay);
    } catch (InterruptedException e) {
        // e.printStackTrace();
    }

    try {
        int exitValue = externalProcess.exitValue();
        if (log.isDebugEnabled()) {
            log.debug("External Process monitoring thread - exit value: " + exitValue);
        }
        return false;
    } catch (IllegalThreadStateException e) {
        if (log.isDebugEnabled()) {
            log.debug("External Process monitoring thread - destroying process");
        }
        externalProcess.destroy();
        return true;
    }
}

---

From source file:com.ikanow.aleph2.data_model.utils.ProcessUtils.java

private static boolean killProcess(final String pid, final Optional<Integer> kill_signal) throws IOException {
    //      kill -15 the process, wait a few cycles to let it die            
    final ProcessBuilder pb = new ProcessBuilder(Arrays.asList("kill", "-" + kill_signal.orElse(15), pid));
    logger.debug("trying to kill -" + kill_signal.orElse(15) + " pid: " + pid);
    final Process px = pb.start();
    for (int i = 0; i < 5; ++i) {
        try {/*ww  w .ja v  a2s .com*/
            Thread.sleep(1000L);
        } catch (Exception e) {
        }
        if (!isProcessRunning(pid)) {
            break;
        }
    }
    if (!isProcessRunning(pid)) {
        return 0 == px.exitValue();
    } else {
        //we are still alive, so send a harder kill signal if we haven't already sent a 9
        if (kill_signal.isPresent() && kill_signal.get() == 9) {
            return false;
        } else {
            logger.debug("Timed out trying to kill: " + pid + " sending kill -9 to force kill");
            return killProcess(pid, Optional.of(9));
        }

    }
}

---

From source file:de.micromata.mgc.application.webserver.config.KeyTool.java

public static void generateKey(ValContext ctx, File keyFile, String storePass, String keyAlias) {
    String[] args = { "keytool", "-genkey", "-alias", keyAlias, "-keyalg", "RSA", "-keystore",
            keyFile.getAbsolutePath(), "-keysize", "2048", "-keypass", storePass, "-storepass", storePass,
            "-dname", "cn=Launcher, ou=MGC, o=Microamta, c=DE" };
    StringBuilder oksb = new StringBuilder();
    oksb.append("Execute: " + StringUtils.join(args, " "));
    try {/*from  ww w  .  j  a  v a2s  .  com*/
        ProcessBuilder pb = new ProcessBuilder(args);
        pb.redirectErrorStream(true);
        Process process = pb.start();
        InputStream is = process.getInputStream();
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader br = new BufferedReader(isr);
        String line;
        while ((line = br.readLine()) != null) {
            oksb.append(line);
        }
        boolean success = process.waitFor(5, TimeUnit.SECONDS);
        if (success == false) {
            ctx.directError(null, "Fail to wait for keytool");
        } else {
            int exitValue = process.exitValue();
            if (exitValue == 0) {
                oksb.append("\nSuccess");
                ctx.directInfo(null, oksb.toString());
            } else {
                ctx.directError(null, oksb.toString());
                ctx.directError(null, "Failure executing keytool. ReturnCode: " + exitValue);
            }
        }
    } catch (Exception ex) {
        ctx.directError(null, "Failure executing keytool: " + ex.getMessage(), ex);
    }
}

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From source file:org.bml.util.io.net.NetworkUtils.java

/**
 * <p>//from   ww  w .  j a v  a2s. c o m
 * Attempt to resolve this computers host name. In its current state this 
 * method only calls 'hostname'.
 * </p>
 * <p>
 * <b>WARNING:</b>This method uses Runtime and a Process. It also waits for
 * the process to complete before returning.
 * </p>
 * <p>
 * Order of host name source.
 * <ol>
 * <li><code>Runtime.getRuntime().exec("hostname")</code>(Linux)</li>
 * <li><code>Runtime.getRuntime().exec("gethostname")</code>(Unix)</li>
 * <li><code>InetAddress.getLocalHost().getHostName()</code>(Other)</li>
 * </ol>
 * </p>
 *
 * @return The host name of the server that this code runs on.
 *
 * @throws java.io.IOException If there is a problem with {@link Process} IO
 * @throws java.lang.InterruptedException if this thread is interrupted while
 * it is waiting for a process to complete.
 * 
 * @todo Implement multiple hostname attempts and try to guess the rite one for the OS.
 */
public static String getThisHostName() throws IOException, InterruptedException {
    String hostname = null;
    Process process;
    StringWriter writer = new StringWriter();
    InputStream processInputStream;
    Runtime runtime = Runtime.getRuntime();
    try {
        //Attempt hostname call
        process = Runtime.getRuntime().exec("hostname");
        process.waitFor();
        processInputStream = process.getInputStream();
        IOUtils.copy(processInputStream, writer, CharEncoding.UTF_8);
        hostname = writer.toString();
        process.exitValue();
    } catch (IOException ioe) {
        if (LOG.isWarnEnabled()) {
            LOG.warn("IPException caught while attempting to resolve hostname.", ioe);
        }
        throw ioe;
    }
    return hostname;
}

---

From source file:Main.java

public static int execRootCmdForExitCode(String[] cmds) {
    int result = -1;
    DataOutputStream dos = null;//from w ww . j  a  v  a 2  s.  c o m
    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);
        }
        p.waitFor();
        result = p.exitValue();
    } 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;
}

---

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