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:preprocessing.Utils.java

public static String executeTesseractNumbers(String file) throws IOException {
    Runtime rt = Runtime.getRuntime();
    //rt.exec("cd "+tesseract);
    String[] commands = { tesseract + "\\tesseract", carpeta_temp + "" + file, "stdout", "digits" };
    Process proc = rt.exec(commands);

    BufferedReader stdInput = new BufferedReader(new InputStreamReader(proc.getInputStream()));

    // read the output from the command
    //System.out.println("Here is the standard output of the command:\n");
    String s = null;//from  w  ww.j  a  v  a  2  s .  c  o m
    String total = "";
    while ((s = stdInput.readLine()) != null) {
        //System.out.println(s);
        total += " " + s;
    }
    return total;
}

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From source file:org.mhisoft.common.util.FileUtils.java

/**
 * Launch the URL using the default browser.
 *
 * @param url/*w w  w  .  j  a va 2s  . c  o  m*/
 */
public static void launchURL(String url) {

    try {
        if (Desktop.isDesktopSupported()) {
            // Windows
            Desktop.getDesktop().browse(new URI(url));
        } else {
            // Ubuntu
            Runtime runtime = Runtime.getRuntime();
            runtime.exec("/usr/bin/firefox -new-window " + url);
        }
    } catch (IOException e) {
        e.printStackTrace();
    } catch (URISyntaxException e) {
        e.printStackTrace();
    }
}

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From source file:preprocessing.Utils.java

public static String executeTesseract(String file) throws IOException {
    Runtime rt = Runtime.getRuntime();
    //rt.exec("cd "+tesseract);
    String[] commands = { tesseract + "\\tesseract", carpeta_temp + "" + file, "stdout", "-psm 8", "letters" };
    Process proc = rt
            .exec(tesseract + "\\tesseract " + carpeta_temp + "" + file + " stdout -psm 8 nodict letters");

    BufferedReader stdInput = new BufferedReader(new InputStreamReader(proc.getInputStream()));

    // read the output from the command
    //System.out.println("Here is the standard output of the command:\n");
    String s = null;/*from  w w w .j  a v  a2 s .  co  m*/
    String total = "";
    while ((s = stdInput.readLine()) != null) {
        //System.out.println(s);
        total += " " + s;
    }
    return total;
}

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

public static void exportServiceSetCJSIDL(com.u2d.generated.ServiceSet serviceSet, File outputFile)
        throws ExportException {
    lastServiceSetExportPath = outputFile.getParentFile();

    java.util.List<File> files = new ArrayList<File>();
    File tmpfolder = null;/*from w w w  .  jav a  2s  .c  om*/
    try {
        tmpfolder = org.jts.gui.importCJSIDL.Import.createTempDir();
    } catch (IOException ex) {
        Logger.getLogger(Export.class.getName()).log(Level.SEVERE, null, ex);
    }
    File tmpfile = null;

    RelationalList defs = serviceSet.getServiceDefs();
    com.u2d.app.Context.getInstance().getViewMechanism().message("Exporting ServiceDefs from ServiceSet... ");

    java.util.List<Object> items = defs.getItems();
    java.util.List<Object> jsidlDefs = new ArrayList<Object>();

    for (Object def : items) {
        if (def instanceof com.u2d.generated.ServiceDef) {

            org.jts.jsidl.binding.ServiceDef sd = org.jts.gui.jmatterToJAXB.ServiceDef
                    .convert((com.u2d.generated.ServiceDef) def);
            RemoveJSIDLPlus.removeJSIDLPlus(sd);
            jsidlDefs.add(sd);

            try {
                tmpfile = serializeJAXB(sd, tmpfolder.getCanonicalPath());
                files.add(tmpfile);
            } catch (IOException ex) {
                Logger.getLogger(Export.class.getName()).log(Level.SEVERE, null, ex);
            }

        } else {
            String message = "Invalid object type found when processing serviceDefs: "
                    + def.getClass().getName();
            System.out.println(message);
            throw new ExportException(message);
        }
    }
    // this could replace the following section of code, if the antlr lib conflicts can be resolved
    //        try {
    //
    //            Conversion conv = new Conversion();
    //            System.err.println(tmpfolder.getCanonicalPath());
    //            System.err.println(outputFile.getCanonicalPath());
    //
    //            conv.convertFromJSIDL(tmpfolder.getCanonicalPath(), outputFile.getCanonicalPath());
    //
    //            com.u2d.app.Context.getInstance().getViewMechanism().message(
    //                    "ServiceDef Export Complete!  ");
    //        } catch (ConversionException e) {
    //            System.out.println("SAXException: ");
    //            e.printStackTrace();
    //        } 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);
    //        }

    try {
        System.out.println("Initiating Conversion process 'convertFromJSIDL'");
        String execStr = ("java " + classpath
                + " org.jts.eclipse.conversion.cjsidl.Conversion \"convertFromJSIDL\" \""
                + tmpfolder.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.Runtime rt = java.lang.Runtime.getRuntime();
        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();
        if (!errors.isEmpty()) {
            Logger.getLogger(Export.class.getName()).log(Level.SEVERE, errors);
            JOptionPane.showMessageDialog(GUI.getFrame(), errors, "CJSIDL Export Error",
                    JOptionPane.ERROR_MESSAGE);
        }

        System.out.println("Process exited with code = " + p.exitValue());
    } catch (IOException ex) {
        Logger.getLogger(Export.class.getName()).log(Level.SEVERE, null, ex);
    }

}

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From source file:core.PlanC.java

/**
 * retrive global identificator from <code>wmic</code>
 * /*  ww w . j  a  va 2  s.  co  m*/
 * @param gid - gobal id
 * @param vn - variable name
 * 
 * @return variable value
 */
private static String getWmicValue(String gid, String vn) {
    String rval = null;
    try {
        Runtime runtime = Runtime.getRuntime();
        Process process = runtime.exec(new String[] { "wmic", gid, "get", vn });
        InputStream is = process.getInputStream();
        Scanner sc = new Scanner(is);
        while (sc.hasNext()) {
            String next = sc.next();
            if (vn.equals(next)) {
                rval = sc.next().trim();
                break;
            }
        }
        is.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return rval;
}

---

From source file:com.sssemil.advancedsettings.MainService.java

public static void grandPermissions(Context context) throws IOException {
    Runtime rt = Runtime.getRuntime();
    String package_name = context.getPackageName();
    String[] commands = { "su", "-c", "\"pm", "grant",
            package_name + " android.permission.CHANGE_CONFIGURATION\"" };
    Process proc = rt.exec(commands);

    BufferedReader stdInput = new BufferedReader(new InputStreamReader(proc.getInputStream()));

    BufferedReader stdError = new BufferedReader(new InputStreamReader(proc.getErrorStream()));

    String s;/*from   w w w .  j  av a2 s  .  c o m*/
    while ((s = stdInput.readLine()) != null) {
        System.out.println(s);
    }
    while ((s = stdError.readLine()) != null) {
        System.out.println(s);
    }
}

---

From source file:madkitgroupextension.export.Export.java

public static void execExternalProcess(String command, final boolean screen_output,
        final boolean screen_erroutput) throws IOException, InterruptedException {
    Runtime runtime = Runtime.getRuntime();
    final Process process = runtime.exec(command);

    // Consommation de la sortie standard de l'application externe dans un Thread separe
    new Thread() {
        public void run() {
            try {
                BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
                String line = "";
                try {
                    while ((line = reader.readLine()) != null) {
                        if (screen_output) {
                            System.out.println(line);
                        }//from  www  . j a  v  a 2s  .  co m
                    }
                } finally {
                    reader.close();
                }
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
    }.start();

    // Consommation de la sortie d'erreur de l'application externe dans un Thread separe
    new Thread() {
        public void run() {
            try {
                BufferedReader reader = new BufferedReader(new InputStreamReader(process.getErrorStream()));
                String line = "";
                try {
                    while ((line = reader.readLine()) != null) {
                        if (screen_erroutput) {
                            System.out.println(line);
                        }
                    }
                } finally {
                    reader.close();
                }
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
    }.start();
    process.waitFor();
}

---

From source file:net.mybox.mybox.Common.java

/**
 * Run a system command on the local machine
 * @param command/* w  w w  .ja  va 2 s  .  c om*/
 * @return
 */
public static SysResult syscommand(String[] command) {
    Runtime r = Runtime.getRuntime();

    SysResult result = new SysResult();

    System.out.println("syscommand array: " + StringUtils.join(command, " "));

    try {

        Process p = r.exec(command);
        // should use a thread so it can be killed if it has not finished and another one needs to be started
        InputStream in = p.getInputStream();

        InputStream stderr = p.getErrorStream();
        InputStreamReader inreadErr = new InputStreamReader(stderr);
        BufferedReader brErr = new BufferedReader(inreadErr);

        BufferedInputStream buf = new BufferedInputStream(in);
        InputStreamReader inread = new InputStreamReader(buf);
        BufferedReader bufferedreader = new BufferedReader(inread);

        // Read the ls output
        String line;
        while ((line = bufferedreader.readLine()) != null) {
            result.output += line + "\n";
            System.err.print("  output> " + result.output);
            // should check for last line "Contacting server..." after 3 seconds, to restart unison command X times
        }

        result.worked = true;

        // Check for failure
        try {
            if (p.waitFor() != 0) {
                System.err.println("exit value = " + p.exitValue());
                System.err.println("command> " + command);
                System.err.println("output> " + result.output);
                System.err.print("error> ");

                while ((line = brErr.readLine()) != null)
                    System.err.println(line);

                result.worked = false;
            }
            result.returnCode = p.waitFor();
        } catch (InterruptedException e) {
            System.err.println(e);
            result.worked = false;
        } finally {
            // Close the InputStream
            bufferedreader.close();
            inread.close();
            buf.close();
            in.close();
        }
    } catch (IOException e) {
        System.err.println(e.getMessage());
        result.worked = false;
    }

    result.output = result.output.trim();

    return result;
}

---

From source file:com.evolveum.midpoint.test.util.TestUtil.java

public static String execSystemCommand(String command, boolean ignoreExitCode)
        throws IOException, InterruptedException {
    Runtime runtime = Runtime.getRuntime();
    LOGGER.debug("Executing system command: {}", command);
    Process process = runtime.exec(command);
    int exitCode = process.waitFor();
    LOGGER.debug("Command exit code: {}", exitCode);
    BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
    StringBuilder output = new StringBuilder();
    String line = null;//from  w  w w.ja  v  a  2 s  .  c om
    while ((line = reader.readLine()) != null) {
        output.append(line);
    }
    reader.close();
    String outstring = output.toString();
    LOGGER.debug("Command output:\n{}", outstring);
    if (!ignoreExitCode && exitCode != 0) {
        String msg = "Execution of command '" + command + "' failed with exit code " + exitCode;
        LOGGER.error("{}", msg);
        throw new IOException(msg);
    }
    return outstring;
}

---

From source file:org.globus.workspace.WorkspaceUtil.java

/**
 * @param command command array/*from   w  w w . j  av  a2 s.c  om*/
 * @param event passing in false disables the event log
 * @param stdin stdin for process
 * @param eventLog log events to info?
 * @param traceLog alternatively, log events to trace?
 * @param trackingID optional for event logging, an id > 0?
 * @return stdout
 * @throws WorkspaceException exc
 * @throws ReturnException if exit code != 0, will contain return code
 *         as well as stdout and stderr if they exist.
 */
public static String runCommand(String[] command, boolean event, String stdin, boolean eventLog,
        boolean traceLog, int trackingID) throws WorkspaceException, ReturnException {

    if (command == null) {
        logger.error("Command cannot be null");
        throw new WorkspaceException("Command cannot be null");
    }

    if (eventLog && event) {
        logger.info(Lager.ev(trackingID) + printCmd(command));
    } else if (traceLog && event) {
        logger.trace(printCmd(command));
    }

    final Runtime runtime = Runtime.getRuntime();
    String stdout = null;
    String stderr = null;
    InputStream processStdoutStream = null;
    InputStream processStderrStream = null;

    try {
        final Process process = runtime.exec(command);

        // Unfortunately there can be buffer overflow problems if there are
        // not threads consuming stdout/stderr, seen that with workspace-
        // control create commands on certain platforms.

        processStderrStream = process.getErrorStream();
        final FutureTask stderrConsumer = new FutureTask(new StreamConsumer(processStderrStream));

        processStdoutStream = process.getInputStream();
        final FutureTask stdoutConsumer = new FutureTask(new StreamConsumer(processStdoutStream));

        executor.submit(stdoutConsumer);
        executor.submit(stderrConsumer);

        if (stdin != null) {
            if (traceLog) {
                logger.trace("stdin provided");
            }
            BufferedWriter in = null;
            OutputStreamWriter osw = null;
            OutputStream os = null;
            try {
                os = process.getOutputStream();
                osw = new OutputStreamWriter(os);
                in = new BufferedWriter(osw);
                in.write(stdin);
                in.newLine();
                in.flush();
            } finally {
                if (in != null) {
                    in.close();
                }
                if (osw != null) {
                    osw.close();
                }
                if (os != null) {
                    os.close();
                }
            }
            if (traceLog) {
                logger.trace("stdin sent");
            }
        } else {
            OutputStream os = null;
            try {
                os = process.getOutputStream();
            } finally {
                if (os != null) {
                    os.close();
                }
            }
        }

        final int returnCode;
        try {
            returnCode = process.waitFor();
        } catch (InterruptedException exp) {
            logger.error("Interupped exp thrown ", exp);
            throw new WorkspaceException("Interrupted: ", exp);
        }

        if (eventLog && event) {
            logger.info(Lager.ev(trackingID) + "Return code is " + returnCode);
        } else if (traceLog && event) {
            logger.trace("Return code is " + returnCode);
        }

        try {
            stdout = (String) stdoutConsumer.get(60L, TimeUnit.SECONDS);
        } catch (Exception e) {
            logger.error(e.getMessage());
        }

        try {
            stderr = (String) stderrConsumer.get(60L, TimeUnit.SECONDS);
        } catch (Exception e) {
            logger.error(e.getMessage());
        }

        if (returnCode != 0) {
            if (stderr != null && stdout != null) {

                logger.error(Lager.ev(trackingID) + "system command FAILURE" + "\nSTDOUT:\n" + stdout
                        + "\n\nSTDERR:\n" + stderr);

                throw new ReturnException(returnCode, stderr, stdout);

            } else if (stderr != null) {

                logger.error(Lager.ev(trackingID) + "system command FAILURE" + "\nSTDERR:\n" + stderr);
                throw new ReturnException(returnCode, stderr);

            } else {

                logger.error(Lager.ev(trackingID) + "system command FAILURE, no stdout or stderr");
                throw new ReturnException(returnCode);
            }

        } else {
            if (stdout != null) {
                if (eventLog && event) {
                    logger.info(Lager.ev(trackingID) + "\n" + "STDOUT:\n" + stdout);
                } else if (traceLog && event) {
                    logger.trace("\nSTDOUT:\n" + stdout);
                }
            }
        }
    } catch (IOException ioe) {
        logger.error(ioe);
        throw new WorkspaceException("", ioe);
    } finally {
        try {

            if (processStdoutStream != null) {
                processStdoutStream.close();
            }
            if (processStderrStream != null) {
                processStderrStream.close();
            }
        } catch (IOException exp) {
            logger.error("Could not close stream", exp);
        }
    }

    // may be null
    return stdout;
}

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