Example usage for java.lang Process getErrorStream

Introduction

In this page you can find the example usage for java.lang Process getErrorStream.

Prototype

public abstract InputStream getErrorStream();

Source Link

Document

Returns the input stream connected to the error output of the process.

Usage

From source file:myproject.Model.Common.ProcessExecutor.java

private static String properExecute(File file, String... commands) throws IOException, InterruptedException {
    ProcessBuilder builder = new ProcessBuilder(commands);
    if (file != null) {
        builder.directory(file);/*from  w  w w .j  a v a 2s  . com*/
    }
    Process process = builder.start();
    String input = IOUtils.toString(process.getInputStream(), "utf-8");
    String error = IOUtils.toString(process.getErrorStream(), "utf-8");
    //String command = Arrays.toString(builder.command().toArray(new String[] {}));
    process.waitFor();
    process.getInputStream().close();
    if (!error.isEmpty()) {
        Log.errorLog(error, ProcessExecutor.class);
    }
    String result = input;
    if (input.isEmpty()) {
        result = error;
    }
    return result;
}

From source file:design.process.ProcessUtil.java

/***/
public static String executeResult(final File workDir, final String... termArray)
        throws IOException, InterruptedException {
    final Process process = executeProcess(workDir, termArray);
    final String input = IOUtils.toString(process.getInputStream(), "UTF-8");
    final String error = IOUtils.toString(process.getErrorStream(), "UTF-8");
    final String result = input + error;
    return result;
}

From source file:hu.bme.mit.trainbenchmark.sql.process.MySqlProcess.java

public static void run(final String command[]) throws IOException, InterruptedException {
    final ProcessBuilder pb = new ProcessBuilder(command);
    final Process p = pb.start();
    p.waitFor();//from w  ww . j av  a  2 s.  co m

    final String stdOut = getInputAsString(p.getInputStream());
    final String stdErr = getInputAsString(p.getErrorStream());
    // System.out.println(stdOut);
    // System.out.println(stdErr);
}

From source file:Main.java

/**
 * create a child process with environment variables
 * @param command/*from  w w  w  .  jav  a 2  s . c o  m*/
 * @param envVars
 * @return
 * @throws InterruptedException
 * @throws IOException
 */
public static String execUnixCommand(String[] command, Map<String, String> envVars)
        throws InterruptedException, IOException {

    /*
    ProcessBuilder processBuilder = new ProcessBuilder(command);
            
    if ( envVars != null ){
    Map<String, String> env = processBuilder.environment();
    env.clear();
    env.putAll(envVars);
    }
            
    Process process = processBuilder.start();
    processBuilder.redirectErrorStream(false);
    process.waitFor();
    String outputWithError = loadStream(process.getInputStream()) + loadStream(process.getErrorStream());
    return outputWithError;
     */

    ProcessBuilder processBuilder = new ProcessBuilder(command);

    if (envVars != null) {
        Map<String, String> env = processBuilder.environment();
        env.clear();
        env.putAll(envVars);
    }
    Process process = processBuilder.start();
    String output = loadStream(process.getInputStream());
    String error = loadStream(process.getErrorStream());
    process.waitFor();
    return output + "\n" + error;
}

From source file:com.impetus.ankush.agent.utils.CommandExecutor.java

/**
 * Method to execute command arrays.//from w  ww  .j a  v a2  s . co  m
 * 
 * @param command
 * @return
 * @throws IOException
 * @throws InterruptedException
 */
public static Result executeCommand(String... command) throws IOException, InterruptedException {
    Result rs = new Result();
    Runtime rt = Runtime.getRuntime();
    Process proc = rt.exec(command);
    StreamWrapper error = new StreamWrapper(proc.getErrorStream());
    StreamWrapper output = new StreamWrapper(proc.getInputStream());

    error.start();
    output.start();
    error.join(SLEEP_TIME);
    output.join(SLEEP_TIME);
    proc.waitFor();
    rs.setExitVal(proc.exitValue());
    rs.setOutput(output.getMessage());
    rs.setError(error.getMessage());
    proc.destroy();
    return rs;
}

From source file:com.impetus.ankush.agent.utils.CommandExecutor.java

/**
 * Method executeCommand.// w  w  w .j a v a 2s .co  m
 * 
 * @param command
 *            String
 * @return Result
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 * @throws InterruptedException
 *             the interrupted exception
 */
public static Result executeCommand(String command) throws IOException, InterruptedException {
    Result rs = new Result();
    Runtime rt = Runtime.getRuntime();
    Process proc = rt.exec(command);
    StreamWrapper error = new StreamWrapper(proc.getErrorStream());
    StreamWrapper output = new StreamWrapper(proc.getInputStream());

    error.start();
    output.start();
    error.join(SLEEP_TIME);
    output.join(SLEEP_TIME);
    proc.waitFor();
    rs.setExitVal(proc.exitValue());
    rs.setOutput(output.getMessage());
    rs.setError(error.getMessage());
    proc.destroy();
    return rs;
}

From source file:Main.java

public static int exec(String command) {
    Process proc = null;
    BufferedReader error = null;// w ww.  java 2 s . c  o  m
    try {
        proc = Runtime.getRuntime().exec(command);
        error = toReader(proc.getErrorStream());
        int retVal = proc.waitFor();
        if (retVal != 0) {
            String line;
            while ((line = error.readLine()) != null) {
                Log.d(TAG, "exec error:" + line);
            }
        }
        return retVal;
    } catch (Exception e) {
        Log.d(TAG, e.getMessage());
        if (proc != null) {
            proc.destroy();
        }
    }
    return -1;
}

From source file:com.alibaba.jstorm.utils.SystemOperation.java

public static String exec(String cmd) throws IOException {
    LOG.debug("Shell cmd: " + cmd);
    Process process = new ProcessBuilder(new String[] { "/bin/bash", "-c", cmd }).start();
    try {//  w w w .  ja  v  a2  s.co m
        process.waitFor();
        String output = IOUtils.toString(process.getInputStream());
        String errorOutput = IOUtils.toString(process.getErrorStream());
        LOG.debug("Shell Output: " + output);
        if (errorOutput.length() != 0) {
            LOG.error("Shell Error Output: " + errorOutput);
            throw new IOException(errorOutput);
        }
        return output;
    } catch (InterruptedException ie) {
        throw new IOException(ie.toString());
    }

}

From source file:de.uni.bremen.monty.moco.Main.java

private static void runExecutable(File executable) throws IOException, InterruptedException {
    ProcessBuilder processBuilder = new ProcessBuilder(executable.getAbsolutePath());

    String readFromFile = System.getProperty("testrun.readFromFile");
    if (readFromFile != null) {
        processBuilder.redirectInput(new File(readFromFile));
    } else {//from w ww  . j a v a2  s. c  o  m
        processBuilder.redirectInput(ProcessBuilder.Redirect.INHERIT);
    }
    Process process = processBuilder.start();
    System.err.print(IOUtils.toString(process.getErrorStream()));
    System.out.print(IOUtils.toString(process.getInputStream()));
}

From source file:de.uni.bremen.monty.moco.Main.java

private static void runCode(File llvmCode) throws IOException {
    ProcessBuilder processBuilder = new ProcessBuilder("lli", llvmCode.getAbsolutePath());
    String readFromFile = System.getProperty("testrun.readFromFile");
    if (readFromFile == null) {
        processBuilder.redirectInput(ProcessBuilder.Redirect.INHERIT);
    } else {/* www  .  j  a  v a2  s. c  o m*/
        processBuilder.redirectInput(new File(readFromFile));
    }
    Process process = processBuilder.start();

    System.err.print(IOUtils.toString(process.getErrorStream()));
    System.out.print(IOUtils.toString(process.getInputStream()));
}