Example usage for java.lang Runtime exec

Introduction

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

Prototype

public Process exec(String cmdarray[]) throws IOException 

Source Link

Document

Executes the specified command and arguments in a separate process.

Usage

From source file:org.quartz.jobs.NativeJob.java

private Integer runNativeCommand(String command, String parameters, boolean wait, boolean consumeStreams)
        throws JobExecutionException {

    String[] cmd = null;// w  w  w  . j  ava  2  s.  co m
    String[] args = new String[2];
    Integer result = null;
    args[0] = command;
    args[1] = parameters;

    try {
        //with this variable will be done the swithcing
        String osName = System.getProperty("os.name");

        // specific for Windows
        if (osName.startsWith("Windows")) {
            cmd = new String[args.length + 2];
            if (osName.equals("Windows 95")) { // windows 95 only
                cmd[0] = "command.com";
            } else {
                cmd[0] = "cmd.exe";
            }
            cmd[1] = "/C";
            for (int i = 0; i < args.length; i++) {
                cmd[i + 2] = args[i];
            }
        } else if (osName.equals("Linux")) {
            if (cmd == null) {
                cmd = new String[3];
            }
            cmd[0] = "/bin/sh";
            cmd[1] = "-c";
            cmd[2] = args[0] + " " + args[1];
        } else { // try this... 
            cmd = args;
        }

        Runtime rt = Runtime.getRuntime();
        // Executes the command
        getLog().info("About to run " + cmd[0] + " " + cmd[1] + " " + (cmd.length > 2 ? cmd[2] : "") + " ...");
        Process proc = rt.exec(cmd);
        // Consumes the stdout from the process
        StreamConsumer stdoutConsumer = new StreamConsumer(proc.getInputStream(), "stdout");

        // Consumes the stderr from the process
        if (consumeStreams) {
            StreamConsumer stderrConsumer = new StreamConsumer(proc.getErrorStream(), "stderr");
            stdoutConsumer.start();
            stderrConsumer.start();
        }

        if (wait) {
            result = new Integer(proc.waitFor());
        }
        // any error message?

    } catch (Exception x) {
        throw new JobExecutionException("Error launching native command: ", x, false);
    }

    return result;
}

---

From source file:com.alfaariss.oa.authentication.password.digest.HtPasswdMD5Digest.java

private void testCommand() throws OAException {
    Runtime r = Runtime.getRuntime();
    Thread t = null;/*  w ww  . ja  v  a2 s  . co m*/

    String[] saCommand = null;
    try {
        saCommand = resolveCommand(_sCommand, "salt", "password");

        _systemLogger.debug("Executing test command: " + resolveCommand(saCommand));
        final Process p = r.exec(saCommand);
        t = new Thread(new Runnable() {
            public void run() {
                try {
                    Thread.sleep(3000);
                    p.destroy();
                    _systemLogger.warn("Destroyed process");
                } catch (InterruptedException e) {
                    _systemLogger.debug("Thread interrupted");
                }
            }
        });

        t.start();
        int exitCode = p.waitFor();
        if (exitCode != 0) {
            StringBuffer sbError = new StringBuffer("Configured command returned exit code '");
            sbError.append(exitCode);
            sbError.append("': ");
            sbError.append(resolveCommand(saCommand));
            _systemLogger.error(sbError.toString());
            throw new OAException(SystemErrors.ERROR_INIT);
        }
    } catch (OAException e) {
        throw e;
    } catch (Exception e) {
        _systemLogger.error("Could not execute command: " + resolveCommand(saCommand), e);
        throw new OAException(SystemErrors.ERROR_INIT);
    } finally {
        if (t != null)
            t.interrupt();
    }
}

---

From source file:fish.payara.maven.plugins.micro.StartMojo.java

public void execute() throws MojoExecutionException {
    if (copySystemProperties) {
        getLog().warn(//from  w w w . j  a v a2 s  .  c om
                "copySystemProperties is deprecated. " + "System properties of the regarding maven execution "
                        + "will be passed to the payara-micro automatically.");
    }

    if (skip) {
        getLog().info("Start mojo execution is skipped");
        return;
    }

    toolchain = getToolchain();
    final String path = decideOnWhichMicroToUse();

    microProcessorThread = new Thread(threadGroup, () -> {

        final List<String> actualArgs = new ArrayList<>();
        getLog().info("Starting payara-micro from path: " + path);
        int indice = 0;
        actualArgs.add(indice++, evaluateJavaPath());
        if (javaCommandLineOptions != null) {
            for (Option option : javaCommandLineOptions) {
                if (option.getKey() != null && option.getValue() != null) {
                    String systemProperty = String.format("%s=%s", option.getKey(), option.getValue());
                    actualArgs.add(indice++, systemProperty);
                } else if (option.getValue() != null) {
                    actualArgs.add(indice++, option.getValue());
                }
            }
        }

        String execArgs = mavenSession.getRequest().getUserProperties().getProperty("exec.args");
        if (execArgs != null && !execArgs.trim().isEmpty()) {
            for (String execArg : execArgs.split("\\s+")) {
                actualArgs.add(indice++, execArg);
            }
        }

        actualArgs.add(indice++, "-Dgav=" + getProjectGAV());
        actualArgs.add(indice++, "-jar");
        actualArgs.add(indice++, path);
        if (deployWar && WAR_EXTENSION.equalsIgnoreCase(mavenProject.getPackaging())) {
            actualArgs.add(indice++, "--deploy");
            actualArgs.add(indice++, evaluateProjectArtifactAbsolutePath(false));
        }
        if (commandLineOptions != null) {
            for (Option option : commandLineOptions) {
                if (option.getKey() != null) {
                    actualArgs.add(indice++, option.getKey());
                }
                if (option.getValue() != null) {
                    actualArgs.add(indice++, option.getValue());
                }
            }
        }

        try {
            getLog().debug("Starting Payara Micro with the these arguments: " + actualArgs);
            final Runtime re = Runtime.getRuntime();
            microProcess = re.exec(actualArgs.toArray(new String[actualArgs.size()]));

            if (daemon) {
                redirectStream(microProcess.getInputStream(), System.out);
                redirectStream(microProcess.getErrorStream(), System.err);
            } else {
                redirectStreamToGivenOutputStream(microProcess.getInputStream(), System.out);
                redirectStreamToGivenOutputStream(microProcess.getErrorStream(), System.err);
            }

            int exitCode = microProcess.waitFor();
            if (exitCode != 0) {
                throw new MojoFailureException(ERROR_MESSAGE);
            }
        } catch (InterruptedException ignored) {
        } catch (Exception e) {
            throw new RuntimeException(ERROR_MESSAGE, e);
        } finally {
            if (!daemon) {
                closeMicroProcess();
            }
        }
    });

    final Thread shutdownHook = new Thread(threadGroup, () -> {
        if (microProcess != null && microProcess.isAlive()) {
            try {
                microProcess.destroy();
                microProcess.waitFor(1, TimeUnit.MINUTES);
            } catch (InterruptedException ignored) {
            } finally {
                microProcess.destroyForcibly();
            }
        }
    });

    if (daemon) {
        microProcessorThread.setDaemon(true);
        microProcessorThread.start();

        if (!immediateExit) {
            try {
                microProcessorThread.join();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    } else {
        Runtime.getRuntime().addShutdownHook(shutdownHook);
        microProcessorThread.run();
    }
}

---

From source file:com.emergya.persistenceGeo.importer.shp.ShpImporterImpl.java

private void checkForCommandLineUtils() {
    Runtime runtime = Runtime.getRuntime();
    Process proc;//from w  w w . j a  v a  2 s.c o m
    try {
        if (LOG.isTraceEnabled()) {
            LOG.trace("Checking psql command line tool existence");
        }

        proc = runtime.exec(new String[] { "psql", "--help" });
        int returnValue = proc.waitFor();
        if (returnValue != 0) {
            throw new ShpImporterException("psql command line tool not found"
                    + "Please, check if postgresql-client package is installed.");
        }
    } catch (Exception e) {
        throw new ShpImporterException("psql command line tool not found. "
                + "Please, check if postgresql-client package is installed.", e);
    }
    try {
        if (LOG.isTraceEnabled()) {
            LOG.trace("Checking shp2pgsql command line tool existence");
        }

        proc = runtime.exec("shp2pgsql");
        int returnValue = proc.waitFor();
        if (returnValue != 0) {
            throw new ShpImporterException(
                    "shp2pgsql command line tool not found" + "Please, check if postgis package is installed.");
        }
    } catch (Exception e) {
        throw new ShpImporterException(
                "shp2pgsql command line tool not found. " + "Please, check if postgis package is installed.",
                e);
    }
}

---

From source file:com.mindquarry.desktop.client.dialog.conflict.ContentConflictDialog.java

private void mergeWordDocumentsManually(Status status, String basePath) throws IOException {
    File localVersion = new File(status.getPath());
    File serverVersion = new File(basePath, status.getConflictNew());
    log.debug("merge: serverVersion: " + serverVersion);
    log.debug("merge: localVersion: " + localVersion);

    // use the correct filename suffix:
    String suffix = FilenameUtils.getExtension(localVersion.getName());
    File tmpServerVersion = File.createTempFile("mindquarry-merge-server", "." + suffix);
    FileUtils.copyFile(serverVersion, tmpServerVersion);
    tempFiles.add(tmpServerVersion);//  w  w  w.  jav a2  s.  com

    mergedVersion = File.createTempFile("mindquarry-merge-local", "." + suffix);
    FileUtils.copyFile(localVersion, mergedVersion);
    tempFiles.add(mergedVersion);

    File tmpScriptFile = File.createTempFile("mindquarry-merge-script", ".js");
    tempFiles.add(tmpScriptFile);

    //
    // FIXME: delete temp files also in case of 'cancel'
    //

    // load script from JAR and save as temp file to avoid path problems:
    InputStream is = getClass().getResourceAsStream("/scripts/merge-doc.js");
    String script = loadInputStream(is);
    FileWriter fw = new FileWriter(tmpScriptFile);
    fw.write(script);
    fw.close();
    String mergeScript = tmpScriptFile.getAbsolutePath();

    String[] cmdArray = new String[] { "wscript", mergeScript, mergedVersion.getAbsolutePath(),
            tmpServerVersion.getAbsolutePath() };
    log.debug("Calling merge script: " + Arrays.toString(cmdArray));

    Runtime rt = Runtime.getRuntime();
    Process proc = rt.exec(cmdArray);
    int exitValue = -1;
    try {
        exitValue = proc.waitFor();
    } catch (InterruptedException e) {
        throw new RuntimeException(e.toString(), e);
    }
    log.debug("Exit value " + exitValue);
    if (exitValue != 0) {
        mergeOptionButton.setEnabled(false);
        mergeButton.setEnabled(false);
        okButton.setEnabled(true); // let user continue with other option
        MessageDialog
                .openError(
                        getShell(), I18N.getString("Error executing MS Word"), I18N
                                .getString("The script used to merge documents "
                                        + "using MS Word could not be started. The exit " + "code was ")
                                + exitValue);
    }
}

---

From source file:com.epam.controllers.pages.graphviz.GraphViz.java

/**
 * It will call the external dot program, and return the image in
 * binary format./*from ww  w . j a  v  a  2 s . co  m*/
 * @param dot Source of the graph (in dot language).
 * @param type Type of the output image to be produced, e.g.: gif, dot, fig, pdf, ps, svg, png.
 * @return The image of the graph in .gif format.
 */
private byte[] get_img_stream(File dot, String type) {
    File img;
    byte[] img_stream = null;

    try {
        img = File.createTempFile("graph_", "." + type, new File(GraphViz.TEMP_DIR));
        Runtime rt = Runtime.getRuntime();

        // patch by Mike Chenault
        String[] args = { DOT, "-T" + type, dot.getAbsolutePath(), "-o", img.getAbsolutePath() };
        Process p = rt.exec(args);

        p.waitFor();

        FileInputStream in = new FileInputStream(img.getAbsolutePath());
        img_stream = new byte[in.available()];
        in.read(img_stream);
        // Close it if we need to
        if (in != null)
            in.close();

        if (img.delete() == false)
            log.warn("Warning: " + img.getAbsolutePath() + " could not be deleted!");
    } catch (java.io.IOException ioe) {
        log.warn("Error:    in I/O processing of tempfile in dir " + GraphViz.TEMP_DIR + "\n");
        log.warn("       or in calling external command");
        log.error("stacktrace", ioe);
    } catch (java.lang.InterruptedException ie) {
        log.error("Error: the execution of the external program was interrupted", ie);
    }

    return img_stream;
}

---

From source file:com.ichi2.libanki.Exporter.java

private JSONObject exportFiltered(ZipFile z, String path) throws IOException, JSONException {
    // export into the anki2 file
    String colfile = path.replace(".apkg", ".anki2");
    super.exportInto(colfile);
    z.write(colfile, "collection.anki2");
    // and media// ww w.  j  a va2s .  c o  m
    prepareMedia();
    JSONObject media = new JSONObject();
    File mdir = new File(mCol.getMedia().dir());
    if (mdir.exists() && mdir.isDirectory()) {
        int c = 0;
        for (String file : mMediaFiles) {
            File mpath = new File(mdir, file);
            if (mpath.exists()) {
                z.write(mpath.getPath(), Integer.toString(c));
            }
            try {
                media.put(Integer.toString(c), file);
                c++;
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    }
    // tidy up intermediate files
    new File(colfile).delete();
    String p = path.replace(".apkg", ".media.ad.db2");
    if (new File(p).exists()) {
        new File(p).delete();
    }
    String tempPath = path.replace(".apkg", ".media");
    File file = new File(tempPath);
    if (file.exists()) {
        String deleteCmd = "rm -r " + tempPath;
        Runtime runtime = Runtime.getRuntime();
        try {
            runtime.exec(deleteCmd);
        } catch (IOException e) {
        }
    }
    return media;
}

---

From source file:edu.harvard.mcz.imagecapture.TesseractOCR.java

@Override
public String getOCRText() throws OCRReadException {
    StringBuffer result = new StringBuffer();
    BufferedReader resultReader = null;
    try {//ww  w .  ja  v  a2 s .  c  o m
        Runtime r = Runtime.getRuntime();

        // Run tesseract to OCR the target file.
        String runCommand = Singleton.getSingletonInstance().getProperties().getProperties().getProperty(
                ImageCaptureProperties.KEY_TESSERACT_EXECUTABLE) + target + " " + tempFileBase + " " + language;
        Process proc = r.exec(runCommand);
        System.out.println(runCommand);

        // Create and start a reader for the error stream
        StreamReader errorReader = new StreamReader(proc.getErrorStream(), "ERROR");
        errorReader.run();

        // run the process and wait for the exit value
        int exitVal = proc.waitFor();

        System.out.println("Tesseract Exit Value: " + exitVal);

        if (exitVal == 0) {
            resultReader = new BufferedReader(
                    new InputStreamReader(new FileInputStream(tempFileBase + ".txt"), "UTF-8"));
            String s;
            while ((s = resultReader.readLine()) != null) {
                result.append(s);
                result.append("\n");
            }
            resultReader.close();
        } else {
            throw new OCRReadException("OCR process failed (exit value>0).");
        }

        if (result.length() > 0) {
            String resString = result.toString();
            // $ is returned by tesseract to indicate italics
            // @ is returned by tesseract to indicate bold
            // | and _ are common interpretations of QR barcode blocks
            result = new StringBuffer();
            result.append(resString.replaceAll("[|@\\$_]", ""));
        }

    } catch (IOException eio) {
        log.error(eio);
        throw new OCRReadException("OCR process failed with IO Exception.");
    } catch (InterruptedException ei) {
        log.error(ei);
        throw new OCRReadException("OCR process failed with Interrupted Exception.");
    } finally {
        if (resultReader != null) {
            try {
                resultReader.close();
            } catch (IOException e) {
                log.debug(e);
            }
        }
    }

    log.debug(result.toString());
    return result.toString();
}

---

From source file:nl.mvdr.umvc3replayanalyser.ocr.TesseractOCREngine.java

/**
 * Executes the given command.//from  ww w .ja  va 2 s.c  om
 * 
 * @param command
 *            command to be executed
 * @throws OCRException
 *             if the command returns a nonzero exit code, the command is interrupted or there is an unexpected I/O
 *             exception
 * @return the first line of the command's output
 */
private String execute(String command) throws OCRException {
    if (log.isDebugEnabled()) {
        log.debug("Executing command: " + command);
    }
    String firstLine;
    try {
        Runtime runtime = Runtime.getRuntime();
        Process process = runtime.exec(command);

        // Log the process's output and capture the first line.
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getErrorStream()))) {
            String line = reader.readLine();
            firstLine = line;
            if (log.isDebugEnabled()) {
                while (line != null) {
                    log.debug("tesseract: " + line);
                    line = reader.readLine();
                }
            }
        }

        int exitCode = process.waitFor();
        if (exitCode != 0) {
            throw new OCRException("Command failed, exit code: " + exitCode + ", command: " + command);
        }
    } catch (IOException | InterruptedException e) {
        throw new OCRException(e);
    }
    return firstLine;
}

---

From source file:com.doomy.padlock.MainFragment.java

public void superUserReboot(String mCommand) {
    Runtime mRuntime = Runtime.getRuntime();
    Process mProcess = null;//from   w  w w. j  a v  a2  s  . c o  m
    OutputStreamWriter mWrite = null;

    try {
        mProcess = mRuntime.exec("su");
        mWrite = new OutputStreamWriter(mProcess.getOutputStream());
        mWrite.write(mCommand + "\n");
        mWrite.flush();
        mWrite.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

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