Example usage for java.lang ProcessBuilder ProcessBuilder

Introduction

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

Prototype

public ProcessBuilder(String... command) 

Source Link

Document

Constructs a process builder with the specified operating system program and arguments.

Usage

From source file:bboss.org.artofsolving.jodconverter.process.LinuxProcessManager.java

private List<String> execute(String... args) throws IOException {
    String[] command;//from ww w  . j  av  a 2s  .c o  m
    if (runAsArgs != null) {
        command = new String[runAsArgs.length + args.length];
        System.arraycopy(runAsArgs, 0, command, 0, runAsArgs.length);
        System.arraycopy(args, 0, command, runAsArgs.length, args.length);
    } else {
        command = args;
    }
    Process process = new ProcessBuilder(command).start();
    @SuppressWarnings("unchecked")
    List<String> lines = IOUtils.readLines(process.getInputStream());
    return lines;
}

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From source file:de.uni_potsdam.hpi.asg.common.io.Invoker.java

private ProcessReturn invoke(String[] cmd, List<String> params, File folder, int timeout) {
    List<String> command = new ArrayList<String>();
    command.addAll(Arrays.asList(cmd));
    command.addAll(params);/*from w w w. j av a2  s.c o  m*/
    ProcessReturn retVal = new ProcessReturn(Arrays.asList(cmd), params);
    Process process = null;
    try {
        logger.debug("Exec command: " + command.toString());
        //System.out.println(timeout + ": " + command.toString());
        ProcessBuilder builder = new ProcessBuilder(command);
        builder.directory(folder);
        builder.environment(); // bugfix setting env in test-mode (why this works? i dont know..)
        process = builder.start();

        Thread timeoutThread = null;
        if (timeout > 0) {
            timeoutThread = new Thread(new Timeout(Thread.currentThread(), timeout));
            timeoutThread.setName("Timout for " + command.toString());
            timeoutThread.start();
        }
        IOStreamReader ioreader = new IOStreamReader(process);
        Thread streamThread = new Thread(ioreader);
        streamThread.setName("StreamReader for " + command.toString());
        streamThread.start();
        process.waitFor();
        streamThread.join();
        if (timeoutThread != null) {
            timeoutThread.interrupt();
        }
        String out = ioreader.getResult();
        //System.out.println(out);
        if (out == null) {
            //System.out.println("out = null");
            retVal.setStatus(Status.noio);
        }
        retVal.setCode(process.exitValue());
        retVal.setStream(out);
        retVal.setStatus(Status.ok);
    } catch (InterruptedException e) {
        process.destroy();
        retVal.setTimeout(timeout);
        retVal.setStatus(Status.timeout);
    } catch (IOException e) {
        logger.error(e.getLocalizedMessage());
        retVal.setStatus(Status.ioexception);
    }
    return retVal;
}

---

From source file:mitm.common.util.ProcessUtils.java

/**
 * Helper method that executes the given cmd and returns the output. The process will be destroyed 
 * if the process takes longer to execute than the timeout.  
 *///  www  .j a va 2 s  .  c  o  m
public static void executeCommand(List<String> cmd, long timeout, InputStream input, OutputStream output)
        throws IOException {
    Check.notNull(cmd, "cmd");

    if (cmd.size() == 0) {
        throw new IOException("Process is missing.");
    }

    /*
     * Used for reporting
     */
    String name = StringUtils.join(cmd, ",");

    /*
     * Watchdog that will be used to destroy the process on a timeout
     */
    TaskScheduler watchdog = new TaskScheduler(ProcessUtils.class.getCanonicalName() + "#" + name);

    try {
        ProcessBuilder processBuilder = new ProcessBuilder(cmd);
        processBuilder.redirectErrorStream(true);

        Process process = processBuilder.start();

        /*
         * Task that will destroy the process on a timeout
         */
        Task processWatchdogTask = new DestroyProcessTimeoutTask(process, watchdog.getName());

        watchdog.addTask(processWatchdogTask, timeout);

        /*
         * Task that will interrup the current thread on a timeout
         */
        Task threadInterruptTimeoutTask = new ThreadInterruptTimeoutTask(Thread.currentThread(),
                watchdog.getName());

        watchdog.addTask(threadInterruptTimeoutTask, timeout);

        /*
         * Send the input to the standard input of the process
         */
        if (input != null) {
            IOUtils.copy(input, process.getOutputStream());

            IOUtils.closeQuietly(process.getOutputStream());
        }

        /*
         * Get the standard output from the process
         */
        if (output != null) {
            IOUtils.copy(process.getInputStream(), output);
        }

        int exitValue;

        try {
            exitValue = process.waitFor();
        } catch (InterruptedException e) {
            throw new IOException("Error executing [" + name + "]", e);
        }

        if (exitValue != 0) {
            throw new ProcessException("Error executing [" + name + "]. exit value: " + exitValue, exitValue);
        }
    } finally {
        /*
         * Need to cancel any pending tasks
         */
        watchdog.cancel();
    }
}

---

From source file:io.jmnarloch.cd.go.plugin.sbt.SbtTaskExecutor.java

/**
 * Builds the SBT process to be executed
 *
 * @param environment the build environment
 * @param config      the build configuration
 * @return the SBT process//from   w ww . j a  v a2 s  .  co m
 */
private ProcessBuilder buildSbtProcess(ExecutionContext environment, ExecutionConfiguration config) {

    final Map<String, String> env = environment.getEnvironmentVariables();

    final List<String> command = parse(config, env);

    logger.debug("Executing command: " + command);

    final ProcessBuilder builder = new ProcessBuilder(command);
    builder.environment().putAll(env);
    builder.directory(new File(environment.getWorkingDirectory()));
    return builder;
}

---

From source file:azkaban.jobExecutor.utils.process.AzkabanProcess.java

/**
 * Execute this process, blocking until it has completed.
 *//*from ww  w  .j a v a2s  . c o m*/
public void run() throws IOException {
    if (this.isStarted() || this.isComplete()) {
        throw new IllegalStateException("The process can only be used once.");
    }

    ProcessBuilder builder = new ProcessBuilder(cmd);
    builder.directory(new File(workingDir));
    builder.environment().putAll(env);
    builder.redirectErrorStream(true);
    this.process = builder.start();
    try {
        this.processId = processId(process);
        if (processId == 0) {
            logger.debug("Spawned thread with unknown process id");
        } else {
            logger.debug("Spawned thread with process id " + processId);
        }

        this.startupLatch.countDown();

        LogGobbler outputGobbler = new LogGobbler(new InputStreamReader(process.getInputStream()), logger,
                Level.INFO, 30);
        LogGobbler errorGobbler = new LogGobbler(new InputStreamReader(process.getErrorStream()), logger,
                Level.ERROR, 30);

        outputGobbler.start();
        errorGobbler.start();
        int exitCode = -1;
        try {
            exitCode = process.waitFor();
        } catch (InterruptedException e) {
            logger.info("Process interrupted. Exit code is " + exitCode, e);
        }

        completeLatch.countDown();

        // try to wait for everything to get logged out before exiting
        outputGobbler.awaitCompletion(5000);
        errorGobbler.awaitCompletion(5000);

        if (exitCode != 0) {
            String output = new StringBuilder().append("Stdout:\n").append(outputGobbler.getRecentLog())
                    .append("\n\n").append("Stderr:\n").append(errorGobbler.getRecentLog()).append("\n")
                    .toString();
            throw new ProcessFailureException(exitCode, output);
        }

    } finally {
        IOUtils.closeQuietly(process.getInputStream());
        IOUtils.closeQuietly(process.getOutputStream());
        IOUtils.closeQuietly(process.getErrorStream());
    }
}

---

From source file:edu.illinois.cs.cogcomp.CompileMojo.java

public void execute() throws MojoExecutionException {
    dFlag = FileUtils.getPlatformIndependentFilePath(dFlag);
    gspFlag = FileUtils.getPlatformIndependentFilePath(gspFlag);
    sourcepathFlag = FileUtils.getPlatformIndependentFilePath(sourcepathFlag);

    classpath.add(dFlag);// w w w . j  a va  2 s .  co  m
    classpath.add(gspFlag);

    String newpath = StringUtils.join(classpath, File.pathSeparator);

    // If these directories don't exist, make them.
    new File(dFlag).mkdirs();
    new File(gspFlag).mkdirs();

    for (String lbjInputFile : lbjavaInputFileList) {
        if (StringUtils.isEmpty(lbjInputFile)) {
            // making the optional-compile-parameter happy.
            continue;
        }

        getLog().info("Calling Java edu.illinois.cs.cogcomp.lbjava.Main...");

        lbjInputFile = FileUtils.getPlatformIndependentFilePath(lbjInputFile);

        try {
            String[] args = new String[] { "java", "-cp", newpath, "edu.illinois.cs.cogcomp.lbjava.Main", "-d",
                    dFlag, "-gsp", gspFlag, "-sourcepath", sourcepathFlag, lbjInputFile };

            ProcessBuilder pr = new ProcessBuilder(args);
            pr.inheritIO();
            Process p = pr.start();
            p.waitFor();

        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("Yeah, an error.");
        }
    }

}

---

From source file:edu.illinois.cs.cogcomp.GenerateMojo.java

public void execute() throws MojoExecutionException {
    dFlag = FileUtils.getPlatformIndependentFilePath(dFlag);
    gspFlag = FileUtils.getPlatformIndependentFilePath(gspFlag);
    sourcepathFlag = FileUtils.getPlatformIndependentFilePath(sourcepathFlag);

    classpath.add(dFlag);/*w  ww.j a va2  s  . c om*/
    classpath.add(gspFlag);

    String newpath = StringUtils.join(classpath, File.pathSeparator);

    // If these directories don't exist, make them.
    new File(dFlag).mkdirs();
    new File(gspFlag).mkdirs();

    for (String lbjInputFile : lbjavaInputFileList) {
        if (StringUtils.isEmpty(lbjInputFile)) {
            // making the optional-compile-step parameter happy.
            continue;
        }

        getLog().info("Calling Java edu.illinois.cs.cogcomp.lbjava.Main...");

        lbjInputFile = FileUtils.getPlatformIndependentFilePath(lbjInputFile);

        try {
            String[] args = new String[] { "java", "-cp", newpath, "edu.illinois.cs.cogcomp.lbjava.Main", "-c",
                    "-d", dFlag, "-gsp", gspFlag, "-sourcepath", sourcepathFlag, lbjInputFile };

            ProcessBuilder pr = new ProcessBuilder(args);
            pr.inheritIO();
            Process p = pr.start();
            p.waitFor();

        } catch (Exception e) {
            e.printStackTrace();
            System.out.println("Yeah, an error.");
        }
    }

}

---

From source file:de.teamgrit.grit.checking.compile.GccCompileChecker.java

@Override
public CompilerOutput checkProgram(Path pathToProgramFile, Path outputFolder, String compilerName,
        List<String> compilerFlags)
        throws FileNotFoundException, BadCompilerSpecifiedException, BadFlagException {

    // First we build the command to invoke the compiler. This consists of
    // the compiler executable, the path of the
    // file to compile and compiler flags. So for example we call:
    List<String> compilerInvocation = createCompilerInvocation(pathToProgramFile, compilerName, compilerFlags);
    // Now we build a launchable process from the given parameters and set
    // the working directory.
    Process compilerProcess = null;

    try {// w w  w  . ja  va  2 s  .c  o  m
        ProcessBuilder compilerProcessBuilder = new ProcessBuilder(compilerInvocation);
        // make sure the compiler stays in its directory.
        if (Files.isDirectory(pathToProgramFile)) {
            compilerProcessBuilder.directory(pathToProgramFile.toFile());
        } else {
            compilerProcessBuilder.directory(pathToProgramFile.getParent().toFile());
        }
        compilerProcess = compilerProcessBuilder.start();
    } catch (IOException e) {
        // If we cannot call the compiler we return a CompilerOutput
        // initialized with false, false, indicating
        // that the compiler wasn't invoked properly and that there was no
        // clean Compile.
        CompilerOutput compilerInvokeError = new CompilerOutput();
        compilerInvokeError.setClean(false);
        compilerInvokeError.setCompilerInvoked(false);
        LOGGER.severe("Couldn't launch GCC. Check whether it's in the system's PATH");
        return compilerInvokeError;
    }

    // Now we read compiler output. If everything is ok gcc reports
    // nothing at all.
    InputStream compilerOutputStream = compilerProcess.getErrorStream();
    InputStreamReader compilerStreamReader = new InputStreamReader(compilerOutputStream);
    BufferedReader compilerOutputBuffer = new BufferedReader(compilerStreamReader);
    String line;

    CompilerOutput compilerOutput = new CompilerOutput();
    compilerOutput.setCompilerInvoked(true);

    List<String> compilerOutputLines = new LinkedList<>();

    try {
        while ((line = compilerOutputBuffer.readLine()) != null) {
            compilerOutputLines.add(line);
        }

        compilerOutputStream.close();
        compilerStreamReader.close();
        compilerOutputBuffer.close();
        compilerProcess.destroy();
    } catch (IOException e) {
        // Reading might go wrong here if gcc should unexpectedly terminate
        LOGGER.severe("Error while reading from compiler stream.");
        compilerOutput.setClean(false);
        compilerOutput.setCompileStreamBroken(true);
        return compilerOutput;
    }

    if (compilerOutputLines.size() == 0) {
        compilerOutput.setClean(true);
    }

    compilerOutput = splitCompilerOutput(compilerOutputLines, compilerOutput);

    // delete all .o and .exe files
    // these are output files generated by gcc which we won't need
    // anymore
    File[] candidateToplevelFiles = pathToProgramFile.toFile().listFiles();
    for (File candidateFile : candidateToplevelFiles) {
        if (!candidateFile.isDirectory()) {
            String extension = FilenameUtils.getExtension(candidateFile.toString());
            if (extension.matches("([Oo]|([Ee][Xx][Ee]))")) {
                // We only pass the filename, since gcc will be
                // confined to the dir the file is located in.
                candidateFile.delete();
            }
        }

    }

    return compilerOutput;
}

---

From source file:com.act.utils.ProcessRunner.java

/**
 * Run's a child process using the specified command and arguments, timing out after a specified number of seconds
 * if the process does not terminate on its own in that time.
 * @param command The process to run./*w w  w .  j  a va  2s . c om*/
 * @param args The arguments to pass to that process.
 * @param timeoutInSeconds A timeout to impose on the child process; an InterruptedException is likely to occur
 *                         when the child process times out.
 * @return The exit code of the child process.
 * @throws InterruptedException
 * @throws IOException
 */
public static int runProcess(String command, List<String> args, Long timeoutInSeconds)
        throws InterruptedException, IOException {
    /* The ProcessBuilder doesn't differentiate the command from its arguments, but we do in our API to ensure the user
     * doesn't just pass us a single string command, which invokes the shell and can cause all sorts of bugs and
     * security issues. */
    List<String> commandAndArgs = new ArrayList<String>(args.size() + 1) {
        {
            add(command);
            addAll(args);
        }
    };
    ProcessBuilder processBuilder = new ProcessBuilder(commandAndArgs);
    LOGGER.info("Running child process: %s", StringUtils.join(commandAndArgs, " "));

    Process p = processBuilder.start();
    // Log whatever the child writes.
    new StreamLogger(p.getInputStream(), l -> LOGGER.info("[child STDOUT]: %s", l)).run();
    new StreamLogger(p.getErrorStream(), l -> LOGGER.warn("[child STDERR]: %s", l)).run();
    // Wait for the child process to exit, timing out if it takes to long to finish.
    if (timeoutInSeconds != null) {
        p.waitFor(timeoutInSeconds, TimeUnit.SECONDS);
    } else {
        p.waitFor();
    }

    // 0 is the default success exit code in *nix land.
    if (p.exitValue() != 0) {
        LOGGER.error("Child process exited with non-zero status code: %d", p.exitValue());
    }

    return p.exitValue();
}

---

From source file:com.bekwam.resignator.commands.KeytoolCommand.java

public List<KeystoreEntry> findKeystoreEntries(String keytoolExec, String keystore, String storepass)
        throws CommandExecutionException {

    List<KeystoreEntry> entries = new ArrayList<>();

    Preconditions.checkNotNull(keytoolExec);
    Preconditions.checkNotNull(keystore);
    Preconditions.checkNotNull(storepass);

    File outputFile = null;//from  w  w  w  .j a v a2s . c o  m

    try {

        String[] cmdAndArgs = { keytoolExec, "-keystore", keystore, "-storepass", storepass, "-list" };

        File resignatorDir = new File(System.getProperty("user.home"), ".resignator");

        String outputFileName = OUTPUTFILE_PREFIX
                + StringUtils.lowerCase(RandomStringUtils.randomAlphabetic(12)) + OUTPUTFILE_SUFFIX;

        outputFile = new File(resignatorDir, outputFileName);

        ProcessBuilder pb = new ProcessBuilder(cmdAndArgs);
        pb.redirectErrorStream(false);
        pb.redirectOutput(outputFile);

        Process p = pb.start();

        boolean exitted = p.waitFor(TIMEOUT_SECS, TimeUnit.SECONDS);

        if (exitted) {

            if (p.exitValue() == 0) {

                BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(outputFile)));
                entries.addAll(parseKeystoreEntries(br));
                br.close();

            } else {

                String firstLine = "";
                if (outputFile != null && outputFile.exists()) {
                    BufferedReader br = new BufferedReader(new FileReader(outputFile));
                    firstLine = br.readLine();
                    br.close();
                }

                if (logger.isErrorEnabled()) {
                    logger.error("error running exec={}; firstLine={}", keytoolExec, firstLine);
                }

                throw new CommandExecutionException(
                        "Command '" + keytoolExec + "' failed to run" + newLine + firstLine);
            }

        } else {

            if (logger.isErrorEnabled()) {
                logger.error("command '" + keytoolExec + "' timed out");
            }

            throw new CommandExecutionException("Command '" + keytoolExec + "' timed out");
        }

    } catch (Exception exc) { // includes interrupted exception

        if (logger.isErrorEnabled()) {
            logger.error("error running keytool", exc);
        }

        throw new CommandExecutionException("Error running keytool command" + newLine + exc.getMessage());

    } finally {
        if (outputFile != null) {
            outputFile.delete();
        }
    }

    return entries;
}

---

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