Example usage for org.apache.commons.exec.launcher CommandLauncherFactory createVMLauncher

Introduction

In this page you can find the example usage for org.apache.commons.exec.launcher CommandLauncherFactory createVMLauncher.

Prototype

public static CommandLauncher createVMLauncher() 

Source Link

Document

Factory method to create an appropriate launcher.

Usage

From source file:fr.fastconnect.factory.tibco.bw.maven.AbstractBWMojo.java

/**
 * This calls a TIBCO binary.//from  w w w . j  a  va  2s. com
 * 
 * @param binary, the TIBCO binary file to execute
 * @param tras, the TRA files associated with the TIBCO binary
 * @param arguments, command-line arguments
 * @param workingDir, working directory from where the binary is launched
 * @param errorMsg, error message to display in case of a failure
 * @param fork, if true the chiild process will be detached from the caller
 * 
 * @throws IOException
 * @throws MojoExecutionException
 */
protected int launchTIBCOBinary(File binary, List<File> tras, ArrayList<String> arguments, File workingDir,
        String errorMsg, boolean fork, boolean synchronous) throws IOException, MojoExecutionException {
    Integer result = 0;

    if (tras == null) { // no value specified as Mojo parameter, we use the .tra in the same directory as the binary
        String traPathFileName = binary.getAbsolutePath();
        traPathFileName = FilenameUtils.removeExtension(traPathFileName);
        traPathFileName += ".tra";
        tras = new ArrayList<File>();
        tras.add(new File(traPathFileName));
    }

    HashMap<File, File> trasMap = new HashMap<File, File>();
    for (File tra : tras) {
        // copy of ".tra" file in the working directory
        File tmpTRAFile = new File(directory, tra.getName());
        trasMap.put(tra, tmpTRAFile);
        copyFile(tra, tmpTRAFile);
    }

    for (File tra : trasMap.keySet()) {
        if (trasMap.containsKey(tibcoDesignerTRAPath)
                && ((tibcoBuildEARUseDesignerTRA && tra == tibcoBuildEARTRAPath)
                        || (tibcoBuildLibraryUseDesignerTRA && tra == tibcoBuildLibraryTRAPath))) {
            if (tras.size() > 1) {
                ReplaceRegExp replaceRegExp = new ReplaceRegExp();
                replaceRegExp.setFile(trasMap.get(tra));
                replaceRegExp.setMatch("tibco.include.tra (.*/designer.tra)");
                replaceRegExp.setReplace(
                        "tibco.include.tra " + trasMap.get(tibcoDesignerTRAPath).toString().replace('\\', '/'));
                replaceRegExp.setByLine(true);

                replaceRegExp.execute();
            }
        }

        if (tra == tibcoBuildEARTRAPath || tra == tibcoDesignerTRAPath || tra == tibcoBWEngineTRAPath) { // FIXME: should check more properly
            // append user.home at the end to force the use of custom Designer5.prefs
            PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(trasMap.get(tra), true)));
            out.println("");
            out.println("java.property.user.home=" + directory.getAbsolutePath().replace("\\", "/"));
            out.close();
        }
    }

    CommandLine cmdLine = new CommandLine(binary);

    for (String argument : arguments) {
        cmdLine.addArgument(argument);
    }
    getLog().debug("launchTIBCOBinary command line : " + cmdLine.toString());
    getLog().debug("working dir : " + workingDir);

    DefaultExecutor executor = new DefaultExecutor();
    executor.setWorkingDirectory(workingDir);

    if (timeOut > 0) {
        ExecuteWatchdog watchdog = new ExecuteWatchdog(timeOut * 1000);
        executor.setWatchdog(watchdog);
    }

    executor.setProcessDestroyer(new ShutdownHookProcessDestroyer());

    ByteArrayOutputStream stdOutAndErr = new ByteArrayOutputStream();
    executor.setStreamHandler(new PumpStreamHandler(stdOutAndErr));

    if (fork) {
        CommandLauncher commandLauncher = CommandLauncherFactory.createVMLauncher();
        commandLauncher.exec(cmdLine, null, workingDir);
    } else {
        try {
            if (synchronous) {
                result = executor.execute(cmdLine);
            } else {
                executor.execute(cmdLine, new DefaultExecuteResultHandler());
            }
        } catch (ExecuteException e) {
            // TODO : grer erreurs des excutables (ventuellement parser les erreurs classiques)
            getLog().info(cmdLine.toString());
            getLog().info(stdOutAndErr.toString());
            getLog().info(result.toString());
            throw new MojoExecutionException(errorMsg, e);
        } catch (IOException e) {
            throw new MojoExecutionException(e.getMessage(), e);
        }
    }

    return result;
}

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From source file:org.opennms.web.rest.v1.MeasurementsRestServiceITCase.java

protected static void assumeRrdtoolExists(final String libraryName) {
    final String libraryPath = System.getProperty("java.library.path", "");
    if (!libraryPath.contains(":/usr/local/lib")) {
        System.setProperty("java.library.path", libraryPath + ":/usr/local/lib");
    }/*w  w w.j  av  a 2s . c  o  m*/
    boolean rrdtoolExists = false;
    try {
        final CommandLauncher cl = CommandLauncherFactory.createVMLauncher();
        final Process p = cl.exec(new CommandLine(findRrdtool()), EnvironmentUtils.getProcEnvironment());
        final int returnCode = p.waitFor();
        LOG.debug("Loading library from java.library.path={}", System.getProperty("java.library.path"));
        System.loadLibrary(libraryName);
        rrdtoolExists = returnCode == 0;
    } catch (final Exception e) {
        LOG.warn("Failed to run 'rrdtool' or libjrrd(2)? is missing.", e);
    }
    Assume.assumeTrue(rrdtoolExists);
}

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