Example usage for java.lang Runtime exec

List of usage examples for java.lang Runtime exec

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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:HelpDemo.java

/**
 * help() -- start a help viewer. On Win32, we use the "start" command. For
 * UNIX, we'll try for Netscape or HotJava in the user's path. For the Mac,
 * not sure what we'll do.//w ww  . j a  va 2 s  .c  om
 */
public void help() throws IOException {

    // A Runtime object has methods for dealing with the OS
    Runtime r = Runtime.getRuntime();
    // A process object tracks one external running process
    Process p;

    // Start Netscape from Java Applications (not Applets though)
    p = r.exec("c:/windows/command/start.exe HelpDemo.htm");

    return;
}

From source file:org.apache.fop.fonts.autodetect.WindowsFontDirFinder.java

/**
 * Attempts to read windir environment variable on windows
 * (disclaimer: This is a bit dirty but seems to work nicely)
 *//* www .  j  a va  2  s  .  c  om*/
private String getWinDir(String osName) throws IOException {
    Process process = null;
    Runtime runtime = Runtime.getRuntime();
    if (osName.startsWith("Windows 9")) {
        process = runtime.exec("command.com /c echo %windir%");
    } else {
        process = runtime.exec("cmd.exe /c echo %windir%");
    }
    InputStreamReader isr = null;
    BufferedReader bufferedReader = null;
    String dir = "";
    try {
        isr = new InputStreamReader(process.getInputStream());
        bufferedReader = new BufferedReader(isr);
        dir = bufferedReader.readLine();
    } finally {
        IOUtils.closeQuietly(bufferedReader);
        IOUtils.closeQuietly(isr);
    }
    return dir;
}

From source file:it.sauronsoftware.jave.DefaultFFMPEGLocator.java

/**
 * It builds the default FFMPEGLocator, exporting the ffmpeg executable on a
 * temp file./*from  ww  w .  jav a 2s . c o m*/
 */
public DefaultFFMPEGLocator() {
    // Windows?
    boolean isWindows;
    String os = System.getProperty("os.name").toLowerCase();
    if (os.contains("windows")) {
        isWindows = true;
    } else {
        isWindows = false;
    }

    // Temp dir?
    File temp = new File(System.getProperty("java.io.tmpdir"), "jave-" + myEXEversion);
    if (!temp.exists()) {
        temp.mkdirs();
        temp.deleteOnExit();
    }
    // ffmpeg executable export on disk.
    String suffix = isWindows ? ".exe" : "";
    String arch = System.getProperty("os.arch");

    File exe = new File(temp, "ffmpeg-" + arch + suffix);
    if (!exe.exists()) {
        copyFile("ffmpeg-" + arch + suffix, exe);
    }
    // Need a chmod?
    if (!isWindows) {
        Runtime runtime = Runtime.getRuntime();
        try {
            runtime.exec(new String[] { "/bin/chmod", "755", exe.getAbsolutePath() });
        } catch (IOException e) {
            _log.error(e);
        }
    }
    // Ok.
    this.path = exe.getAbsolutePath();
}

From source file:org.cesecore.time.providers.NtpClientParser.java

/**
 * Executes a call to an NTP client and parses the output in order to obtain the offset of the selected trusted time source.
 * /*from ww w  . j  a  v a 2 s.co  m*/
 * @return Double containing the offset of the current selected trusted time source
 */
public TrustedTime getTrustedTime() {

    Process proc = null;
    TrustedTime trustedTime = null;
    try {
        Runtime runtime = Runtime.getRuntime();
        proc = runtime.exec(this.ntpClientCommand);

        @SuppressWarnings("unchecked")
        List<String> lines = IOUtils.readLines(proc.getInputStream());

        trustedTime = parseOffset(lines);
    } catch (Exception e) {
        log.error("Error parsing NTP output", e);
        trustedTime = new TrustedTime();
    } finally {
        if (proc != null) {
            IOUtils.closeQuietly(proc.getInputStream());
            IOUtils.closeQuietly(proc.getErrorStream());
            IOUtils.closeQuietly(proc.getOutputStream());
        }
    }

    if (log.isDebugEnabled()) {
        log.debug(trustedTime.toString());
    }

    return trustedTime;
}

From source file:org.apache.hadoop.hdfs.ManualSyncTester.java

private Process runChild(String dataPath, String progressPath) throws Exception {
    Runtime rt = Runtime.getRuntime();
    Process p = rt.exec(new String[] { "java", "-cp", System.getProperty("java.class.path"),
            "org.apache.hadoop.hdfs.ManualSyncTester$Child", dataPath, progressPath });
    new Pumper(p.getInputStream(), System.out).start();
    new Pumper(p.getErrorStream(), System.err).start();
    return p;/* ww w .j  ava2 s . c o  m*/
}

From source file:org.hobbit.spatiotemporalbenchmark.platformConnection.systems.LogMapSystemAdapter.java

public void linkingController(String source, String target) throws IOException {
    resultsFile = new File("./datasets/LimesSystemAdapterResults/mappings."
            + SesameUtils.parseRdfFormat(dataFormat).getDefaultFileExtension());

    LOGGER.info("Started LogMap Controller.. ");
    Runtime rt = Runtime.getRuntime();
    Process pr = rt.exec("java -jar ./lib/logmap2_standalone.jar " + "MATCHER file:" + source + " " + "file:"
            + target + " " + "" + resultsFile.getAbsolutePath() + " true");

    //-Xms512m -Xmx1152m
    //an treksei allakse kai to memory tis java stin entoli

    File[] files = new File("file.getName()").listFiles();
    //If this pathname does not denote a directory, then listFiles() returns null. 

    for (File file : files) {
        if (file.isFile()) {
            LOGGER.info("Logmap - Results file.getName() " + file.getName());

            BufferedReader br = new BufferedReader(
                    new FileReader("./datasets/LogMapSystemAdapterResults/" + file.getName()));
            String line = null;/*from   w w  w .  ja  va2  s . com*/
            while ((line = br.readLine()) != null) {
                LOGGER.info("-> " + line);
            }
        }
    }
    LOGGER.info("LogMap Controller finished..");
}

From source file:org.magicbeans.project.setupVisualPanel1.java

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
    URL dlLoc;/* www.  ja  v  a2s .  c  om*/
    String url = jTextField1.getText();
    char lastChar = url.charAt(url.length() - 1);
    if (lastChar == '\\' || lastChar == '/') {
        url = url.substring(0, url.length() - 2);
    }
    try {
        dlLoc = new URL(url);
        String installerDir = jTextField2.getText();
        File toFile = new File(installerDir);
        if (toFile.exists()) {
            if (toFile.isDirectory()) {
                String installerPath = jTextField2.getText() + "/miktexinstaller.exe";
                toFile = new File(installerPath);
                try {
                    FileUtils.copyURLToFile(dlLoc, toFile);
                    Runtime rt = Runtime.getRuntime();
                    Process pr = rt.exec(installerPath + " -d " + installerDir);
                } catch (IOException ex) {
                    Exceptions.printStackTrace(ex);
                }
            }
        }
    } catch (MalformedURLException ex) {
        Exceptions.printStackTrace(ex);
    }

}

From source file:org.jts.gui.exportCJSIDL.Export.java

public static void exportServiceDefCJSIDL(com.u2d.generated.ServiceDef serviceDef, File outputFile) {
    lastServiceDefExportPath = outputFile.getParentFile();

    com.u2d.app.Context.getInstance().getViewMechanism().message("Exporting ServiceDef... ");

    org.jts.jsidl.binding.ServiceDef sd = org.jts.gui.jmatterToJAXB.ServiceDef.convert(serviceDef);
    RemoveJSIDLPlus.removeJSIDLPlus(sd);
    if (hasDependencies(sd)) {
        com.u2d.app.Context.getInstance().getViewMechanism().message(
                "ServiceDef Conversion Failed!  Dependencies detected, but not included.\n This should be done using a service set. ");

        JOptionPane.showMessageDialog(GUI.getFrame(),
                "ServiceDef Conversion Failed!\n" + "Dependencies detected, but not included.\n"
                        + "Try exporting a service set that includes all dependencies.");
        return;/*  ww  w .  ja  va2 s . co  m*/
    }
    try {
        java.util.List<File> files = new ArrayList<File>();
        File tmpfolder = org.jts.gui.importCJSIDL.Import.createTempDir();
        File tmpfile = null;
        try {
            tmpfile = serializeJAXB(sd, tmpfolder.getCanonicalPath());
            files.add(tmpfile);
        } catch (FileNotFoundException ex) {
            System.out.println(
                    "Failed to create a temp file used during conversion: " + tmpfile.getCanonicalPath());
        }

        // convertFromJSIDL tmpfile.getCanonicalPath() outputFile.getCanonicalPath()
        // this could be done instead of the following try/catch, but an antlr lib version conflict gets in the way
        //            Conversion conv = new Conversion();
        //            conv.convertFromJSIDL(tmpfile.getCanonicalPath(), outputFile.getCanonicalPath());
        try {
            System.out.println("Initiating Conversion process 'convertFromJSIDL'");
            java.lang.Runtime rt = java.lang.Runtime.getRuntime();
            String execStr = ("java " + classpath
                    + " org.jts.eclipse.conversion.cjsidl.Conversion \"convertFromJSIDL\" \""
                    + tmpfile.getCanonicalPath() + "\" \"" + outputFile.getCanonicalPath() + "\"");
            // if this is Linux or Mac OS X, we can't have double quotes around the
            // parameters, and classpath uses : instead of ;
            if (!System.getProperty("os.name").startsWith("Windows")) {
                execStr = execStr.replace("\"", "");
                execStr = execStr.replace(";", ":");
            }
            java.lang.Process p = rt.exec(execStr);
            StreamReader gerrors = new StreamReader(p.getErrorStream(), "ERROR");
            StreamReader goutput = new StreamReader(p.getInputStream(), "OUTPUT");
            gerrors.start();
            goutput.start();
            try {
                p.waitFor();
            } catch (InterruptedException ex) {
                Logger.getLogger(Export.class.getName()).log(Level.SEVERE, null, ex);
            }

            String errors = gerrors.getData();
            String log = goutput.getData();

            System.out.println("Process exited with code = " + p.exitValue());
            if (!errors.isEmpty()) {
                Logger.getLogger(Export.class.getName()).log(Level.SEVERE, errors);
                JOptionPane.showMessageDialog(GUI.getFrame(), errors, "CJSIDL Export Error",
                        JOptionPane.ERROR_MESSAGE);
            }

        } catch (IOException ex) {
            Logger.getLogger(Export.class.getName()).log(Level.SEVERE, null, ex);
        }

        com.u2d.app.Context.getInstance().getViewMechanism().message("ServiceDef Export Complete!  ");
    } catch (IOException ex) {
        String message = "Invalid path or file name when exporting a service def: " + outputFile;
        System.out.println(message);
        throw new ExportException(message, ex);
    }
}

From source file:it.sauronsoftware.jave.FFMPEGExecutor.java

/**
 * Executes the ffmpeg process with the previous given arguments.
 * /*from   w  w w .j ava2  s  . co  m*/
 * @throws IOException
 *             If the process call fails.
 */
public void execute() throws IOException {
    int argsSize = args.size();
    String[] cmd = new String[argsSize + 1];
    cmd[0] = ffmpegExecutablePath;
    for (int i = 0; i < argsSize; i++) {
        cmd[i + 1] = args.get(i);
    }
    if (_log.isDebugEnabled()) {
        StringBuilder sb = new StringBuilder();
        for (String c : cmd) {
            sb.append(c);
            sb.append(' ');
        }
        _log.debug("About to execute " + sb.toString());
    }
    Runtime runtime = Runtime.getRuntime();
    ffmpeg = runtime.exec(cmd);
    ffmpegKiller = new ProcessKiller(ffmpeg);
    runtime.addShutdownHook(ffmpegKiller);
    inputStream = ffmpeg.getInputStream();
    outputStream = ffmpeg.getOutputStream();
    errorStream = ffmpeg.getErrorStream();
}

From source file:de.rrze.idmone.utils.jidgen.filter.ShellCmdFilter.java

public String apply(String id) {
    String cmd = this.cmdTemplate.replace("%s", id);

    logger.trace("Executing command: " + cmd);

    Runtime run = Runtime.getRuntime();
    try {//from  www .j a  va 2 s  .c  o m
        Process proc = run.exec(cmd);

        /*      BufferedWriter commandLine = new BufferedWriter(
                    new OutputStreamWriter(proc.getOutputStream())
              );
              commandLine.write(cmd);
              commandLine.flush();
        */
        // read stdout and log it to the debug level
        BufferedReader stdOut = new BufferedReader(new InputStreamReader(proc.getInputStream()));
        String stdOutput = "";
        while ((stdOutput = stdOut.readLine()) != null) {
            logger.debug("STDOUT: " + stdOutput);
        }
        stdOut.close();

        // read stderr and log it to the error level
        BufferedReader stdErr = new BufferedReader(new InputStreamReader(proc.getErrorStream()));
        String errOutput = "";
        while ((errOutput = stdErr.readLine()) != null) {
            logger.error("STDERR: " + errOutput);
        }
        stdErr.close();

        int exitCode = proc.waitFor();
        proc.destroy();

        if (exitCode == 0) {
            logger.trace("Filtered!");
            return null;
        } else {
            return id;
        }

    } catch (IOException e) {
        logger.fatal(e.toString());
        System.exit(120);
    } catch (InterruptedException e) {
        logger.fatal(e.toString());
        System.exit(121);
    }

    return null;
}