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:com.arm.connector.bridge.core.Utils.java

/**
 * Execute the AWS CLI//from   w w  w  . j  ava  2 s  .  c  om
 * @param logger - ErrorLogger instance
 * @param args - arguments for the AWS CLI 
 * @return response from CLI action
 */
public static String awsCLI(ErrorLogger logger, String args) {
    // construct the arguments
    String cmd = "./aws " + args;
    String response = null;
    String error = null;

    try {
        // invoke the AWS CLI
        Process proc = Runtime.getRuntime().exec(cmd);
        response = Utils.convertStreamToString(proc.getInputStream());
        error = Utils.convertStreamToString(proc.getErrorStream());

        // wait to completion
        proc.waitFor();
        int status = proc.exitValue();

        // DEBUG
        if (status != 0) {
            // non-zero exit status
            logger.warning("AWS CLI: Invoked: " + cmd);
            logger.warning("AWS CLI: Response: " + response);
            logger.warning("AWS CLI: Errors: " + error);
            logger.warning("AWS CLI: Exit Code: " + status);
        } else {
            // successful exit status
            logger.info("AWS CLI: Invoked: " + cmd);
            logger.info("AWS CLI: Response: " + response);
            logger.info("AWS CLI: Exit Code: " + status);
        }
    } catch (IOException | InterruptedException ex) {
        logger.warning("AWS CLI: Exception for command: " + cmd, ex);
        response = null;
    }

    // return the resposne
    return response;
}

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From source file:com.asakusafw.runtime.util.hadoop.ConfigurationProvider.java

private static File detectHadoopConfigurationDirectory(File command, File temporary, Map<String, String> envp)
        throws IOException {
    assert command != null;
    assert temporary != null;
    assert envp != null;

    prepareClasspath(temporary, ConfigurationDetecter.class);
    File resultOutput = new File(temporary, PATH_SUBPROC_OUTPUT);

    List<String> arguments = new ArrayList<>();
    arguments.add(command.getAbsolutePath());
    arguments.add(ConfigurationDetecter.class.getName());
    arguments.add(resultOutput.getAbsolutePath());

    ProcessBuilder processBuilder = new ProcessBuilder(arguments);
    processBuilder.environment().clear();
    processBuilder.environment().putAll(envp);
    processBuilder.environment().put(ENV_HADOOP_CLASSPATH, temporary.getPath());

    Process process = processBuilder.start();
    try {/*from   w w  w  .jav a 2  s .  co  m*/
        Thread redirectOut = redirect(process.getInputStream(), System.out);
        Thread redirectErr = redirect(process.getErrorStream(), System.err);
        try {
            int exit = process.waitFor();
            redirectOut.join();
            redirectErr.join();
            if (exit != 0) {
                throw new IOException(
                        MessageFormat.format("Failed to execute Hadoop command (exitcode={1}): {0}", arguments,
                                String.valueOf(exit)));
            }
        } catch (InterruptedException e) {
            throw (IOException) new InterruptedIOException(
                    MessageFormat.format("Failed to execute Hadoop command (interrupted): {0}", arguments))
                            .initCause(e);
        }
    } finally {
        process.destroy();
    }
    if (resultOutput.isFile() == false) {
        throw new IOException(
                MessageFormat.format("Failed to restore Hadoop configuration path: {0}", resultOutput));
    }
    File path = ConfigurationDetecter.read(resultOutput);
    return path;
}

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From source file:eu.interedition.collatex.tools.CollationServer.java

private static String detectDotPath() {
    for (String detectionCommand : new String[] { "which dot", "where dot.exe" }) {
        try {//from w ww. jav a2  s.c o m

            final Process process = Runtime.getRuntime().exec(detectionCommand);
            try (BufferedReader processReader = new BufferedReader(
                    new InputStreamReader(process.getInputStream(), Charset.defaultCharset()))) {
                final CompletableFuture<Optional<String>> path = CompletableFuture
                        .supplyAsync(() -> processReader.lines().map(String::trim)
                                .filter(l -> l.toLowerCase().contains("dot")).findFirst());
                process.waitFor();
                final String dotPath = path.get().get();
                LOG.info(() -> "Detected GraphViz' dot at '" + dotPath + "'");
                return dotPath;
            }
        } catch (Throwable t) {
            LOG.log(Level.FINE, detectionCommand, t);
        }
    }
    return null;
}

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From source file:io.sloeber.core.managers.InternalPackageManager.java

private static void chmod(File file, int mode) throws IOException, InterruptedException {
    String octal = Integer.toOctalString(mode);
    if (Platform.getOS().equals(Platform.OS_WIN32)) {
        boolean ownerExecute = (((mode / (8 * 8)) & 1) == 1);
        boolean ownerRead = (((mode / (8 * 8)) & 4) == 4);
        boolean ownerWrite = (((mode / (8 * 8)) & 2) == 2);
        boolean everyoneExecute = (((mode / 8) & 1) == 1);
        boolean everyoneRead = (((mode / 8) & 4) == 4);
        boolean everyoneWrite = (((mode / 8) & 2) == 2);
        file.setWritable(true, false);/*www . java 2  s .c o  m*/
        file.setExecutable(ownerExecute, !everyoneExecute);
        file.setReadable(ownerRead, !everyoneRead);
        file.setWritable(ownerWrite, !everyoneWrite);
    } else {
        Process process = Runtime.getRuntime().exec(new String[] { "chmod", octal, file.getAbsolutePath() }, //$NON-NLS-1$
                null, null);
        process.waitFor();
    }
}

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From source file:com.modeln.build.common.tool.CMnCmdLineTool.java

/**
 * Wait for the executing process to complete.
 *
 * @param  process  Process to monitor//from w  w  w  . j  a va 2 s .  c  o  m
 * @param  profile  Enable or disable execution profiling
 */
public static int wait(Process process, boolean profile) throws InterruptedException {
    Date startDate = null;
    if (profile) {
        startDate = new Date();
    }

    // Use a separate thread to relay the process output to the user
    CMnProcessOutput stdout = new CMnProcessOutput(process, process.getInputStream());
    CMnProcessOutput stderr = new CMnProcessOutput(process, process.getErrorStream());
    Thread out = new Thread(stdout);
    Thread err = new Thread(stderr);
    out.start();
    err.start();

    // Wait for the process to complete
    int result = process.waitFor();

    // Display the elapsed time for this operation
    if (profile) {
        displayElapsedTime(startDate, new Date(), "Execution complete: ");
    }

    return result;
}

---

From source file:canreg.client.analysis.Tools.java

public static LinkedList<String> callR(String rScript, String rpath, String reportFileName)
        throws TableErrorException {
    LinkedList<String> filesCreated = new LinkedList<String>();
    Runtime rt = Runtime.getRuntime();
    ArrayList<String> commandList = new ArrayList<String>();
    commandList.add(rpath);//from  w  ww.j  a va  2s  .c  o  m
    commandList.add("CMD");
    commandList.add("BATCH");
    commandList.add("--vanilla");
    commandList.add("--slave");
    commandList.add(rScript);
    commandList.add(reportFileName);

    //String command = canreg.common.Tools.encapsulateIfNeeded(rpath)
    //        + " CMD BATCH --vanilla --slave "
    //        + canreg.common.Tools.encapsulateIfNeeded(rScript) + " "
    //        + canreg.common.Tools.encapsulateIfNeeded(reportFileName);
    System.out.println(commandList);
    Process pr = null;
    try {
        pr = rt.exec(commandList.toArray(new String[] {}));
        // collect the output from the R program in a stream
        // BufferedInputStream is = new BufferedInputStream(pr.getInputStream());
        pr.waitFor();
        BufferedInputStream is = new BufferedInputStream(new FileInputStream(reportFileName));
        // convert the output to a string
        String theString = convertStreamToString(is);
        Logger.getLogger(RTableBuilderGrouped.class.getName()).log(Level.INFO, "Messages from R: \n{0}",
                theString);
        // System.out.println(theString);
        // and add all to the list of files to return
        for (String fileName : theString.split("\n")) {
            if (fileName.startsWith("-outFile:")) {
                fileName = fileName.replaceFirst("-outFile:", "");
                if (new File(fileName).exists()) {
                    filesCreated.add(fileName);
                }
            }
        }
    } catch (InterruptedException ex) {
        Logger.getLogger(RTableBuilder.class.getName()).log(Level.SEVERE, null, ex);
    } catch (java.util.NoSuchElementException ex) {
        Logger.getLogger(RTableBuilder.class.getName()).log(Level.SEVERE, null, ex);
        if (pr != null) {
            BufferedInputStream errorStream = new BufferedInputStream(pr.getErrorStream());
            String errorMessage = convertStreamToString(errorStream);
            System.out.println(errorMessage);
            throw new TableErrorException("R says:\n \"" + errorMessage + "\"");
        }
    } catch (IOException ex) {
        Logger.getLogger(Tools.class.getName()).log(Level.SEVERE, null, ex);
    } finally {
        if (pr != null) {
            System.out.println(pr.exitValue());
        }
    }
    return filesCreated;
}

---

From source file:com.samsung.sjs.Compiler.java

public static int manage_c_compiler(Process clang, CompilerOptions opts)
        throws IOException, InterruptedException {
    clang.waitFor();
    if (clang.exitValue() != 0 && !opts.debug()) {
        // If clang failed and we didn't already dump its stderr
        StringWriter w_stdout = new StringWriter(), w_stderr = new StringWriter();
        IOUtils.copy(clang.getInputStream(), w_stdout, Charset.defaultCharset());
        IOUtils.copy(clang.getErrorStream(), w_stderr, Charset.defaultCharset());
        String compstdout = w_stdout.toString();
        String compstderr = w_stderr.toString();
        System.err.println("C compiler [" + opts.clangPath() + "] failed.");
        System.out.println("C compiler stdout:");
        System.out.println(compstdout);
        System.err.println("C compiler stderr:");
        System.err.println(compstderr);
    }/*from   ww  w  .  j  a  va 2s  .com*/
    return clang.exitValue();
}

---

From source file:hdfs.FileUtil.java

/**
 * Create a soft link between a src and destination
 * only on a local disk. HDFS does not support this
 * @param target the target for symlink 
 * @param linkname the symlink/*from   w w w  . j  a v a 2  s . com*/
 * @return value returned by the command
 */
public static int symLink(String target, String linkname) throws IOException {
    String cmd = "ln -s " + target + " " + linkname;
    Process p = Runtime.getRuntime().exec(cmd, null);
    int returnVal = -1;
    try {
        returnVal = p.waitFor();
    } catch (InterruptedException e) {
        //do nothing as of yet
    }
    if (returnVal != 0) {
        LOG.warn("Command '" + cmd + "' failed " + returnVal + " with: " + copyStderr(p));
    }
    return returnVal;
}

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From source file:io.hops.hopsworks.common.util.HopsUtils.java

/**
 * Retrieves the global hadoop classpath.
 *
 * @param params//from  w  w  w  .j  a v  a  2s  . c  o  m
 * @return hadoop global classpath
 */
public static String getHadoopClasspathGlob(String... params) {
    ProcessBuilder pb = new ProcessBuilder(params);
    try {
        Process process = pb.start();
        int errCode = process.waitFor();
        if (errCode != 0) {
            return "";
        }
        StringBuilder sb = new StringBuilder();
        try (BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()))) {
            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line);
            }
        }
        //Now we must remove the yarn shuffle library as it creates issues for 
        //Zeppelin Spark Interpreter
        StringBuilder classpath = new StringBuilder();

        for (String path : sb.toString().split(File.pathSeparator)) {
            if (!path.contains("yarn") && !path.contains("jersey") && !path.contains("servlet")) {
                classpath.append(path).append(File.pathSeparator);
            }
        }
        if (classpath.length() > 0) {
            return classpath.toString().substring(0, classpath.length() - 1);
        }

    } catch (IOException | InterruptedException ex) {
        Logger.getLogger(HopsUtils.class.getName()).log(Level.SEVERE, null, ex);
    }
    return "";
}

---

From source file:io.sloeber.core.managers.InternalPackageManager.java

private static void symlink(String from, File to) throws IOException, InterruptedException {
    if (Platform.getOS().equals(Platform.OS_WIN32)) {
        // needs special rights only one board seems to fail due to this
        // Process process = Runtime.getRuntime().exec(new String[] {
        // "mklink", from, to.getAbsolutePath() }, //$NON-NLS-1$
        // null, to.getParentFile());
        // process.waitFor();
    } else {//from w  w w .  j  a v  a2s. co m
        Process process = Runtime.getRuntime().exec(new String[] { "ln", "-s", from, to.getAbsolutePath() }, //$NON-NLS-1$ //$NON-NLS-2$
                null, to.getParentFile());
        process.waitFor();
    }

}

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