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, String[] envp, File dir) throws IOException 

Source Link

Document

Executes the specified command and arguments in a separate process with the specified environment and working directory.

Usage

From source file:Main.java

public static void main(String[] args) {
    try {/*from   ww  w .j av  a2 s.co m*/

        File dir = new File("C:/");

        String[] envArray = new String[2];
        envArray[0] = "";
        envArray[1] = "";
        // create a process and execute notepad.exe and currect environment

        Runtime runTime = Runtime.getRuntime();
        Process process = runTime.exec("notepad.exe", envArray, dir);

    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

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From source file:Main.java

public static void main(String[] args) {
    try {/*from w w  w .  j a v  a 2 s  .  co m*/
        String[] cmdArray = new String[2];
        // the program to open
        cmdArray[0] = "notepad.exe";

        // txt file to open with notepad
        cmdArray[1] = "test.txt";

        File dir = new File("c:/");

        String[] envArray = new String[2];
        envArray[0] = "";
        envArray[1] = "";

        Runtime runTime = Runtime.getRuntime();

        Process process = runTime.exec(cmdArray, envArray, dir);

    } catch (Exception ex) {
        ex.printStackTrace();
    }

}

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From source file:org.apache.cloudstack.network.contrail.management.TestDbSetup.java

public static void initCloudstackDb() throws Exception {
    try {/*  ww  w.j  a  va2 s .co  m*/
        File dir = new File("../../../");
        Runtime r = Runtime.getRuntime();
        Process process = r.exec("mvn -P developer -pl developer -Ddeploydb ", null, dir);
        dumpProcessOutput(process);
        process.waitFor();
    } catch (Exception e) {
        String cause = e.getMessage();
        System.out.println("e: " + cause);
        throw e;
    }
}

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From source file:org.openmrs.module.clinicalsummary.io.utils.TaskUtils.java

/**
 * Method to execute a command inside the shell. The command is usually the mysqldump or mysql command.
 *
 * @param commands/*from   ww w.  ja  v  a 2  s. co m*/
 *
 * @throws InterruptedException
 */
public static void executeCommand(final File workingDirectory, final String[] commands) throws Exception {
    Runtime runtime = Runtime.getRuntime();
    Process process;
    if (OpenmrsConstants.UNIX_BASED_OPERATING_SYSTEM)
        process = runtime.exec(commands, null, workingDirectory);
    else
        process = runtime.exec(commands);

    StreamHandler errorHandler = new StreamHandler(process.getErrorStream(), "ERROR");
    StreamHandler outputHandler = new StreamHandler(process.getInputStream(), "OUTPUT");

    ExecutorService executorService = Executors.newCachedThreadPool();

    executorService.execute(errorHandler);
    executorService.execute(outputHandler);

    int exitValue = process.waitFor();
    log.info("Process execution completed with exit value: " + exitValue + " ...");
}

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From source file:org.openmrs.module.reportingsummary.api.io.util.InputOutputUtils.java

/**
 * Method to execute a command inside the shell. The command is usually the mysqldump or mysql command.
 *
 * @param commands the command array to be executed
 * @throws Exception when the task execution is interrupted
 *//*  w  ww  .j  av  a  2s. c om*/
public static void executeCommand(final File workingDirectory, final String[] commands) throws Exception {
    Runtime runtime = Runtime.getRuntime();
    Process process;
    if (OpenmrsConstants.UNIX_BASED_OPERATING_SYSTEM)
        process = runtime.exec(commands, null, workingDirectory);
    else
        process = runtime.exec(commands);

    StreamHandler errorHandler = new StreamHandler(process.getErrorStream(), "ERROR");
    StreamHandler outputHandler = new StreamHandler(process.getInputStream(), "OUTPUT");

    ExecutorService executorService = Executors.newCachedThreadPool();

    executorService.execute(errorHandler);
    executorService.execute(outputHandler);

    int exitValue = process.waitFor();
    log.info("Process execution completed with exit value: " + exitValue + " ...");

    executorService.shutdown();
}

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From source file:com.dtolabs.rundeck.core.utils.ScriptExecUtil.java

/**
 * Run a command with environment variables in a working dir, and copy the streams
 *
 * @param command      the command array to run
 * @param envMap       the environment variables to pass in
 * @param workingdir   optional working dir location (or null)
 * @param outputStream stream for stdout
 * @param errorStream  stream for stderr
 *
 * @return the exit code of the command//ww  w .j  a  va 2  s. c om
 *
 * @throws IOException          if any IO exception occurs
 * @throws InterruptedException if interrupted while waiting for the command to finish
 */
public static int runLocalCommand(final String[] command, final Map<String, String> envMap,
        final File workingdir, final OutputStream outputStream, final OutputStream errorStream)
        throws IOException, InterruptedException {
    final String[] envarr = createEnvironmentArray(envMap);

    final Runtime runtime = Runtime.getRuntime();
    final Process exec = runtime.exec(command, envarr, workingdir);
    final Streams.StreamCopyThread errthread = Streams.copyStreamThread(exec.getErrorStream(), errorStream);
    final Streams.StreamCopyThread outthread = Streams.copyStreamThread(exec.getInputStream(), outputStream);
    errthread.start();
    outthread.start();
    exec.getOutputStream().close();
    final int result = exec.waitFor();
    errthread.join();
    outthread.join();
    if (null != outthread.getException()) {
        throw outthread.getException();
    }
    if (null != errthread.getException()) {
        throw errthread.getException();
    }
    return result;
}

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From source file:org.openmrs.logic.util.LogicUtil.java

/**
 * Generic method to fork a new command for the operating system to run.
 * /*from w  ww  .  j  a  va 2s.  c om*/
 * @param commands the command and the parameters
 * @param workingDirectory the directory where the commands should be invoked
 * @return true when the command executed succesfully.
 */
public static final boolean executeCommand(String[] commands, File workingDirectory) {

    boolean executed = false;
    try {
        Runtime runtime = Runtime.getRuntime();
        Process process = null;
        if (OpenmrsConstants.UNIX_BASED_OPERATING_SYSTEM)
            process = runtime.exec(commands, null, workingDirectory);
        else
            process = runtime.exec(commands);

        ExecutorService executorService = Executors.newCachedThreadPool();

        StreamHandler errorHandler = new StreamHandler(process.getErrorStream(), "ERROR");
        StreamHandler outputHandler = new StreamHandler(process.getInputStream(), "OUTPUT");

        if (executorService == null)
            executorService = Executors.newCachedThreadPool();

        executorService.execute(errorHandler);
        executorService.execute(outputHandler);

        int exitValue = process.waitFor();
        log.info("Process execution completed with exit value: " + exitValue + " ...");

        executed = true;
    } catch (Exception e) {
        log.error("Error generated", e);
    }

    return executed;
}

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From source file:com.microsoftopentechnologies.intellij.helpers.AndroidStudioHelper.java

private static void exec(String[] cmd, String tmpdir) throws IOException, InterruptedException {
    String[] env = new String[] { "PRECOMPILE_STREAMLINE_FILES=1" };

    Runtime rt = Runtime.getRuntime();
    Process proc = rt.exec(cmd, env, new File(tmpdir));

    // any error message?
    StreamGobbler errorGobbler = new StreamGobbler(proc.getErrorStream(), true);

    // kick them off
    errorGobbler.start();//from  w  ww.j a v a 2s .  c o m

    proc.waitFor();
}

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From source file:ExifUtils.ExifReadWrite.java

public static ArrayList<String> exifTool(String[] parameters, File directory) {
    //        final String command[] = "exiftool " + parameters;
    ArrayList<String> lines = new ArrayList<>();
    try {/*from   w  w  w  .j av a 2 s . c o m*/
        Runtime runtime = Runtime.getRuntime();
        Process p = runtime.exec(parameters, null, directory);
        final BufferedReader stdinReader = new BufferedReader(
                new InputStreamReader(p.getInputStream(), "ISO-8859-1"));
        final BufferedReader stderrReader = new BufferedReader(
                new InputStreamReader(p.getErrorStream(), "ISO-8859-1"));
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    String s;
                    while ((s = stdinReader.readLine()) != null) {
                        lines.add(s);
                    }
                } catch (IOException e) {
                }
            }
        }).start();
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    String s;
                    while ((s = stderrReader.readLine()) != null) {
                        lines.add(s);
                    }
                } catch (IOException e) {
                }
            }
        }).start();
        int returnVal = p.waitFor();
    } catch (Exception e) {
        errorOut("xmp", e);
    }
    return lines;
}

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From source file:org.smartfrog.avalanche.client.sf.compress.ZipUtils.java

public static boolean unTarProc(File tarFile, File outputDir) throws IOException {
    String tarFileName = tarFile.getName();

    if (!tarFile.exists()) {
        log.error("The file " + tarFileName + " does not exist");
        return false;
    }//from w  ww.java  2 s.  co m
    if (!tarFile.isFile()) {
        log.error("The file " + tarFileName + " is not a file");
        return false;
    }
    if (!outputDir.exists()) {
        log.error("The directory " + outputDir + " does not exist");
        return false;
    }
    if (!outputDir.isDirectory()) {
        log.error("The given path " + outputDir + " is not a directory");
        return false;
    }
    if (!outputDir.canWrite()) {
        log.error("Cannot write to the directory " + outputDir);
        return false;
    }

    Runtime run = Runtime.getRuntime();
    String cmd = "tar xf " + tarFile.getAbsolutePath();
    Process p = run.exec(cmd, null, outputDir);
    int exitVal = 0;

    try {
        exitVal = p.waitFor();
    } catch (InterruptedException ie) {
        log.error("Error in un-tarring file " + tarFile.getAbsolutePath());
        return false;
    }
    if (exitVal != 0) {
        log.error("Error in un-tarring file " + tarFile.getAbsolutePath());
        return false;
    } else
        return true;
}

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