Example usage for java.lang Process exitValue

List of usage examples for java.lang Process exitValue

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

/**
 * Run a command and wait/*from   www.  j  a v  a2 s .  co  m*/
 *
 * @param cmd The command to run
 * @param workingDir The folder where the command is run
 * @param executeFrom For logging message to the center of where to execute the command.
 * @return
 */
public static String executeCommandGetOutput(String cmd, String workingDir, String executeFrom) {
    logger.debug("Execute command: " + cmd);
    if (workingDir == null) {
        workingDir = "/tmp";
    }
    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;
        StringBuffer output = new StringBuffer();
        int lineCount = 0;
        while ((line = reader.readLine()) != null) {
            if (lineCount < 10) { // only get 10 lines to prevent the overflow
                output.append(line);
            }
            lineCount += 1;
            logger.debug(line);
        }
        if (lineCount >= 10) {
            logger.debug("... there are alot of more output here which is not shown ! ...");
        }
        p.waitFor();
        System.out.println("Execute Commang output: " + output.toString().trim());

        if (p.exitValue() == 0) {
            logger.debug("Command exit 0, result: " + output.toString().trim());
            return output.toString().trim();
        } else {
            logger.debug("Command return non zero code: " + p.exitValue());
            return null;
        }
    } catch (InterruptedException | IOException e1) {
        logger.error("Error when execute command. Error: " + e1);
    }
    return null;
}

From source file:BrowserLauncher.java

/**
 * Attempts to open the default web browser to the given URL.
 * @param url The URL to open//from ww  w  .  ja  v a2s  . c o m
 * @throws IOException If the web browser could not be located or does not run
 */
public static void openURL(String url) throws IOException {
    if (!loadedWithoutErrors) {
        throw new IOException("Exception in finding browser: " + errorMessage);
    }
    Object browser = locateBrowser();
    if (browser == null) {
        throw new IOException("Unable to locate browser: " + errorMessage);
    }

    switch (jvm) {
    case MRJ_2_0:
        Object aeDesc = null;
        try {
            aeDesc = aeDescConstructor.newInstance(new Object[] { url });
            putParameter.invoke(browser, new Object[] { keyDirectObject, aeDesc });
            sendNoReply.invoke(browser, new Object[] {});
        } catch (InvocationTargetException ite) {
            throw new IOException("InvocationTargetException while creating AEDesc: " + ite.getMessage());
        } catch (IllegalAccessException iae) {
            throw new IOException("IllegalAccessException while building AppleEvent: " + iae.getMessage());
        } catch (InstantiationException ie) {
            throw new IOException("InstantiationException while creating AEDesc: " + ie.getMessage());
        } finally {
            aeDesc = null; // Encourage it to get disposed if it was created
            browser = null; // Ditto
        }
        break;
    case MRJ_2_1:
        Runtime.getRuntime().exec(new String[] { (String) browser, url });
        break;
    case MRJ_3_0:
        int[] instance = new int[1];
        int result = ICStart(instance, 0);
        if (result == 0) {
            int[] selectionStart = new int[] { 0 };
            byte[] urlBytes = url.getBytes();
            int[] selectionEnd = new int[] { urlBytes.length };
            result = ICLaunchURL(instance[0], new byte[] { 0 }, urlBytes, urlBytes.length, selectionStart,
                    selectionEnd);
            if (result == 0) {
                // Ignore the return value; the URL was launched successfully
                // regardless of what happens here.
                ICStop(instance);
            } else {
                throw new IOException("Unable to launch URL: " + result);
            }
        } else {
            throw new IOException("Unable to create an Internet Config instance: " + result);
        }
        break;
    case MRJ_3_1:
        try {
            openURL.invoke(null, new Object[] { url });
        } catch (InvocationTargetException ite) {
            throw new IOException("InvocationTargetException while calling openURL: " + ite.getMessage());
        } catch (IllegalAccessException iae) {
            throw new IOException("IllegalAccessException while calling openURL: " + iae.getMessage());
        }
        break;
    case WINDOWS_NT:
    case WINDOWS_9x:
        // Add quotes around the URL to allow ampersands and other special
        // characters to work.
        Process process = Runtime.getRuntime().exec(new String[] { (String) browser, FIRST_WINDOWS_PARAMETER,
                SECOND_WINDOWS_PARAMETER, THIRD_WINDOWS_PARAMETER, '"' + url + '"' });
        // This avoids a memory leak on some versions of Java on Windows.
        // That's hinted at in <http://developer.java.sun.com/developer/qow/archive/68/>.
        try {
            process.waitFor();
            process.exitValue();
        } catch (InterruptedException ie) {
            throw new IOException("InterruptedException while launching browser: " + ie.getMessage());
        }
        break;
    case OTHER:
        // Assume that we're on Unix and that Netscape is installed

        // First, attempt to open the URL in a currently running session of Netscape
        process = Runtime.getRuntime().exec(new String[] { (String) browser, NETSCAPE_REMOTE_PARAMETER,
                NETSCAPE_OPEN_PARAMETER_START + url + NETSCAPE_OPEN_PARAMETER_END });
        try {
            int exitCode = process.waitFor();
            if (exitCode != 0) { // if Netscape was not open
                Runtime.getRuntime().exec(new String[] { (String) browser, url });
            }
        } catch (InterruptedException ie) {
            throw new IOException("InterruptedException while launching browser: " + ie.getMessage());
        }
        break;
    default:
        // This should never occur, but if it does, we'll try the simplest thing possible
        Runtime.getRuntime().exec(new String[] { (String) browser, url });
        break;
    }
}

From source file:energy.usef.environment.tool.security.VaultService.java

/**
 * Executes a class's static main method with the current java executable and classpath in a separate process.
 * /*from   w ww.j av a2  s.  c om*/
 * @param klass the class to call the static main method for
 * @param params the parameters to provide
 * @return the exit code of the process
 * @throws IOException
 * @throws InterruptedException
 */
public static int exec(@SuppressWarnings("rawtypes") Class klass, List<String> params)
        throws IOException, InterruptedException {
    String javaHome = System.getProperty("java.home");
    String javaBin = javaHome + File.separator + "bin" + File.separator + "java";
    String classpath = System.getProperty("java.class.path");
    String className = klass.getCanonicalName();

    // construct the command line
    List<String> command = new ArrayList<String>();
    command.add(javaBin);
    command.add("-cp");
    command.add(classpath);
    command.add(className);
    command.addAll(params);
    LOGGER.debug("executing class '{}' with params '{}' in classpath '{}' with java binary '{}'", className,
            params.toString(), classpath, javaBin);

    // build and start the Vault's process
    ProcessBuilder builder = new ProcessBuilder(command);
    Process process = builder.start();
    process.waitFor();

    // get the input and error streams of the process and log them
    InputStream in = process.getInputStream();
    InputStream en = process.getErrorStream();
    InputStreamReader is = new InputStreamReader(in);
    InputStreamReader es = new InputStreamReader(en);
    BufferedReader br = new BufferedReader(is);
    BufferedReader be = new BufferedReader(es);

    String read = br.readLine();
    while (read != null) {
        LOGGER.debug(read);
        read = br.readLine();
    }
    read = be.readLine();
    while (read != null) {
        LOGGER.debug(read);
        read = be.readLine();
    }

    br.close();
    is.close();
    in.close();

    return process.exitValue();
}

From source file:com.moviejukebox.scanner.AttachmentScanner.java

/**
 * Extract an attachment//from   ww  w .  ja va  2s.c o  m
 *
 * @param attachment the attachment to extract
 * @param setImage true, if a set image should be extracted; in this case ".set" is append before file extension
 * @param counter a counter (only used for NFOs cause there may be multiple NFOs in one file)
 * @return
 */
private static File extractAttachment(Attachment attachment) {
    File sourceFile = attachment.getSourceFile();
    if (sourceFile == null) {
        // source file must exist
        return null;
    } else if (!sourceFile.exists()) {
        // source file must exist
        return null;
    }

    // build return file name
    StringBuilder returnFileName = new StringBuilder();
    returnFileName.append(tempDirectory.getAbsolutePath());
    returnFileName.append(File.separatorChar);
    returnFileName.append(FilenameUtils.removeExtension(sourceFile.getName()));
    // add attachment id so the extracted file becomes unique per movie file
    returnFileName.append(".");
    returnFileName.append(attachment.getAttachmentId());

    switch (attachment.getContentType()) {
    case NFO:
        returnFileName.append(".nfo");
        break;
    case POSTER:
    case FANART:
    case BANNER:
    case SET_POSTER:
    case SET_FANART:
    case SET_BANNER:
    case VIDEOIMAGE:
        returnFileName.append(VALID_IMAGE_MIME_TYPES.get(attachment.getMimeType()));
        break;
    default:
        returnFileName.append(VALID_IMAGE_MIME_TYPES.get(attachment.getMimeType()));
        break;
    }

    File returnFile = new File(returnFileName.toString());
    if (returnFile.exists() && (returnFile.lastModified() >= sourceFile.lastModified())) {
        // already present or extracted
        LOG.debug("File to extract already exists; no extraction needed");
        return returnFile;
    }

    LOG.trace("Extract attachement ({})", attachment);
    try {
        // Create the command line
        List<String> commandMedia = new ArrayList<>(MT_EXTRACT_EXE);
        commandMedia.add("attachments");
        commandMedia.add(sourceFile.getAbsolutePath());
        commandMedia.add(attachment.getAttachmentId() + ":" + returnFileName.toString());

        ProcessBuilder pb = new ProcessBuilder(commandMedia);
        pb.directory(MT_PATH);
        Process p = pb.start();

        if (p.waitFor() != 0) {
            LOG.error("Error during extraction - ErrorCode={}", p.exitValue());
            returnFile = null;
        }
    } catch (IOException | InterruptedException ex) {
        LOG.error(SystemTools.getStackTrace(ex));
        returnFile = null;
    }

    if (returnFile != null) {
        if (returnFile.exists()) {
            // need to reset last modification date to last modification date
            // of source file to fulfill later checks
            try {
                returnFile.setLastModified(sourceFile.lastModified());
            } catch (Exception ignore) {
                // nothing to do anymore
            }
        } else {
            // reset return file to null if not existent
            returnFile = null;
        }
    }
    return returnFile;
}

From source file:com.github.maven_nar.NarUtil.java

public static int runCommand(final String cmd, final String[] args, final File workingDirectory,
        final String[] env, final TextStream out, final TextStream err, final TextStream dbg, final Log log,
        final boolean expectFailure) throws MojoExecutionException, MojoFailureException {
    final Commandline cmdLine = new Commandline();

    try {/*  w  ww .ja  v  a 2 s  . com*/
        dbg.println("RunCommand: " + cmd);
        cmdLine.setExecutable(cmd);
        if (args != null) {
            for (final String arg : args) {
                dbg.println("  '" + arg + "'");
            }
            cmdLine.addArguments(args);
        }
        if (workingDirectory != null) {
            dbg.println("in: " + workingDirectory.getPath());
            cmdLine.setWorkingDirectory(workingDirectory);
        }

        if (env != null) {
            dbg.println("with Env:");
            for (final String element : env) {
                final String[] nameValue = element.split("=", 2);
                if (nameValue.length < 2) {
                    throw new MojoFailureException("   Misformed env: '" + element + "'");
                }
                dbg.println("   '" + nameValue[0] + "=" + nameValue[1] + "'");
                cmdLine.addEnvironment(nameValue[0], nameValue[1]);
            }
        }

        final Process process = cmdLine.execute();
        final StreamGobbler errorGobbler = new StreamGobbler(process.getErrorStream(), err);
        final StreamGobbler outputGobbler = new StreamGobbler(process.getInputStream(), out);

        errorGobbler.start();
        outputGobbler.start();
        process.waitFor();
        final int exitValue = process.exitValue();
        dbg.println("ExitValue: " + exitValue);
        final int timeout = 5000;
        errorGobbler.join(timeout);
        outputGobbler.join(timeout);
        if (exitValue != 0 ^ expectFailure) {
            if (log == null) {
                System.err.println(err.toString());
                System.err.println(out.toString());
                System.err.println(dbg.toString());
            } else {
                log.warn(err.toString());
                log.warn(out.toString());
                log.warn(dbg.toString());
            }
            throw new MojoExecutionException("exit code: " + exitValue);
        }
        return exitValue;
    } catch (final MojoExecutionException e) {
        throw e;
    } catch (final Exception e) {
        throw new MojoExecutionException("Could not launch " + cmdLine, e);
    }
}

From source file:org.rapidcontext.app.plugin.cmdline.CmdLineExecProcedure.java

/**
 * Waits for the specified process to terminate, reading its
 * standard output and error streams meanwhile.
 *
 * @param process        the process to monitor
 * @param cx             the procedure call context
 *
 * @return the data object with the process output results
 *
 * @throws IOException if the stream reading failed
 *///from   w w  w  . ja  v a 2  s  .c  om
private static Dict waitFor(Process process, CallContext cx) throws IOException {

    StringBuffer output = new StringBuffer();
    StringBuffer error = new StringBuffer();
    InputStream isOut = process.getInputStream();
    InputStream isErr = process.getErrorStream();
    byte[] buffer = new byte[4096];
    int exitValue = 0;
    process.getOutputStream().close();
    while (true) {
        if (cx.isInterrupted()) {
            // TODO: isOut.close();
            // TODO: isErr.close();
            process.destroy();
            throw new IOException("procedure call interrupted");
        }
        try {
            readStream(isOut, buffer, output);
            readStream(isErr, buffer, error);
            log(cx, error);
            exitValue = process.exitValue();
            break;
        } catch (IllegalThreadStateException e) {
            try {
                Thread.sleep(50);
            } catch (InterruptedException ignore) {
                // Ignore this exception
            }
        }
    }
    Dict res = new Dict();
    res.setInt("exitValue", exitValue);
    res.set("output", output);
    return res;
}

From source file:com.tascape.qa.th.Utils.java

/**
 * Executes command, and waits for the expected pass/fail phrase in console printout within timeout,
 *
 * @param command    command line/*from w  w w. j a  v  a  2 s  . c o m*/
 * @param pass       skip checking if null
 * @param fail       skip checking if null
 * @param timeout    set 0 for not to check the output message, otherwise, waiting for timeout
 * @param workingDir working directory
 *
 * @return console output as a list of strings
 *
 * @throws IOException          for command error
 * @throws InterruptedException when interrupted
 */
public static List<String> cmd(String[] command, final String pass, final String fail, final long timeout,
        final String workingDir) throws IOException, InterruptedException {
    ProcessBuilder pb = new ProcessBuilder(command);
    if (workingDir != null) {
        pb.directory(new File(workingDir));
    }
    pb.redirectErrorStream(true);
    LOG.debug("Running command: " + pb.command().toString().replace(",", ""));
    final Process p = pb.start();
    Thread thread;
    final List<String> output = new ArrayList<>();

    if (timeout == 0) {
        LOG.debug("This is a start-and-exit command");
        output.add(PASS);
        return output;
    } else {
        thread = new Thread() {
            @Override
            public void run() {
                try {
                    LOG.debug("Command timeouts in {} ms", timeout);
                    Thread.sleep(timeout);
                    try {
                        p.exitValue();
                    } catch (IllegalThreadStateException ex) {
                        LOG.debug("killing subprocess {} - {}", p, ex.getMessage());
                        p.destroy();
                    }
                } catch (InterruptedException ex) {
                    LOG.warn(ex.getMessage());
                }
            }
        };
        thread.setName(Thread.currentThread().getName() + "-" + p.hashCode());
        thread.setDaemon(true);
        thread.start();
    }

    BufferedReader stdIn = new BufferedReader(new InputStreamReader(p.getInputStream()));
    String c = p + " - ";
    for (String line = stdIn.readLine(); line != null;) {
        LOG.trace("{}{}", c, line);
        output.add(line);
        try {
            line = stdIn.readLine();
        } catch (IOException ex) {
            LOG.warn(ex.getMessage());
            break;
        }
    }
    LOG.debug("Command exit code {}", p.waitFor());
    thread.interrupt();
    try {
        stdIn.close();
    } catch (IOException ex) {
        LOG.warn("", ex);
    }

    for (String s : output) {
        if (pass != null && (s.contains(pass) || s.matches(pass))) {
            output.add(PASS);
            break;
        } else if (fail != null && s.contains(fail)) {
            output.add(FAIL);
            break;
        }
    }
    return output;
}

From source file:ca.weblite.jdeploy.JDeploy.java

public static boolean isAlive(Process p) {
    try {/*from  w w  w . j av  a2s  .  c o  m*/
        p.exitValue();
        return false;
    } catch (IllegalThreadStateException e) {
        return true;
    }
}

From source file:com.ms.commons.file.service.ImageUtil.java

public static String rotateImage(String originalImagePath, Double rotation) {
    // FIXME?Java?
    // JavaRuntime?
    // convert 1372771154717.jpg -virtual-pixel none +distort SRT '20' rotate_normal2.png
    String destImage = TEMP_IMAGE_PATH + System.currentTimeMillis() + ".png";
    try {//  w w  w  . j  a v  a  2s.c o  m
        String command = null;
        command = "convert " + originalImagePath + " -virtual-pixel none +distort SRT '" + rotation + "' "
                + destImage;
        Process process = Runtime.getRuntime().exec(command);
        process.waitFor();
        int exitValue = process.exitValue();
        return exitValue == 0 ? destImage : StringUtils.EMPTY;
    } catch (IOException e1) {
        e1.printStackTrace();
        return StringUtils.EMPTY;
    } catch (InterruptedException e) {
        e.printStackTrace();
        return StringUtils.EMPTY;
    }
    // ConvertCmd convert = new ConvertCmd();
    // IMOperation op = new IMOperation();
    // op.addImage(originalImagePath);
    // op.addRawArgs(" -virtual-pixel none +distort SRT '" + rotation + "' ");
    // op.addImage(destImage);
    // try {
    // convert.run(op);
    // return destImage;
    // } catch (Exception e) {
    // e.printStackTrace();
    // return StringUtils.EMPTY;
    // }

}

From source file:org.apache.ambari.server.utils.ShellCommandUtil.java

public static Result runCommand(String[] args) throws IOException, InterruptedException {
    ProcessBuilder builder = new ProcessBuilder(args);
    Process process;
    if (WINDOWS) {
        synchronized (WindowsProcessLaunchLock) {
            // To workaround the race condition issue with child processes
            // inheriting unintended handles during process launch that can
            // lead to hangs on reading output and error streams, we
            // serialize process creation. More info available at:
            // http://support.microsoft.com/kb/315939
            process = builder.start();//from   ww w .  j  a  v a  2 s .c om
        }
    } else {
        process = builder.start();
    }
    //TODO: not sure whether output buffering will work properly
    // if command output is too intensive
    process.waitFor();
    String stdout = streamToString(process.getInputStream());
    String stderr = streamToString(process.getErrorStream());
    int exitCode = process.exitValue();
    return new Result(exitCode, stdout, stderr);
}