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:jcuda.utils.KernelLauncher.java

/**
 * The extension of the given file name is replaced with "ptx".
 * If the file with the resulting name does not exist or is older
 * than the source file, it is compiled from the given file
 * using NVCC. If the forceRebuild flag is 'true', then the PTX
 * file is rebuilt even if it already exists or is newer than the
 * source file. The name of the PTX file is returned.
 *
 * @param cuFileName The name of the .CU file
 * @param forceRebuild Whether the PTX file should be re-created
 * even if it exists already.//from ww w  . j  a  va  2  s  . c o  m
 * @param nvccArguments Optional arguments for the NVCC
 * @return The name of the PTX file
 * @throws IOException If an I/O error occurs
 * @throws CudaException If the creation of the PTX file fails
 */
private static String preparePtxFile(String cuFileName, boolean forceRebuild, String... nvccArguments)
        throws IOException {
    logger.info("Preparing PTX for \n" + cuFileName);

    File cuFile = new File(cuFileName);
    if (!cuFile.exists())

        throw new CudaException("Input file not found: " + cuFileName);

    // Replace the file extension with "ptx"
    String ptxFileName = null;
    int lastIndex = cuFileName.lastIndexOf('.');
    if (lastIndex == -1)
        ptxFileName = cuFileName + ".ptx";

    else
        ptxFileName = cuFileName.substring(0, lastIndex) + ".ptx";

    // Return if the file already exists and should not be rebuilt
    File ptxFile = new File(ptxFileName);
    if (ptxFile.exists() && !forceRebuild) {
        long cuLastModified = cuFile.lastModified();
        long ptxLastModified = ptxFile.lastModified();
        if (cuLastModified < ptxLastModified)
            return ptxFileName;

    }

    // Build the command line
    String modelString = "-m" + System.getProperty("sun.arch.data.model");
    String defaultArguments = "";
    String optionalArguments = createArgumentsString(nvccArguments);
    String command = compilerPath + "nvcc " + modelString + " " + defaultArguments + " " + optionalArguments
            + " -ptx " + cuFile.getPath() + " -o " + ptxFileName;

    // Execute the command line and wait for the output
    logger.info("Executing\n" + command);
    Process process = Runtime.getRuntime().exec(command);
    String errorMessage = new String(toByteArray(process.getErrorStream()));
    String outputMessage = new String(toByteArray(process.getInputStream()));
    int exitValue = 0;
    try {
        exitValue = process.waitFor();
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw new CudaException("Interrupted while waiting for nvcc output", e);
    }

    logger.info("nvcc process exitValue " + exitValue);
    if (exitValue != 0) {
        logger.error("errorMessage:\n" + errorMessage);
        logger.error("outputMessage:\n" + outputMessage);
        throw new CudaException("Could not create .ptx file: " + errorMessage);
    }

    return ptxFileName;
}

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From source file:com.antonjohansson.svncommit.core.utils.Bash.java

/** {@inheritDoc} */
@Override/*  w w  w .  j av  a  2 s  .c o  m*/
public void executeAndPipeOutput(Consumer<String> onData, Consumer<String> onError,
        Consumer<Boolean> onComplete, String... commandLines) {
    File scriptFile = getTemporaryScriptFile(asList(commandLines));
    Process process = execute(path, scriptFile);

    try (InputStream logStream = process.getInputStream(); InputStream errorStream = process.getErrorStream()) {
        while (isAvailable(process, logStream, errorStream)) {
            if (logStream.available() > 0) {
                accept(onData, logStream);
            }
            if (errorStream.available() > 0) {
                accept(onError, errorStream);
            }
        }
        int exitValue = process.exitValue();
        onComplete.accept(exitValue == 0);
    } catch (IOException e) {
        throw new RuntimeException("Could not execute temporary bash script", e);
    }
}

---

From source file:ru.anr.cmdline.utils.SimpleOsCommand.java

/**
 * Execute specified command//  ww w .ja  va 2s .c  om
 * 
 * @param command
 *            An os command
 * @return Command result (stdout or stderr)
 * @throws IOException
 *             When error with result processing occures
 */
public String execute(String command) throws IOException {

    StringBuilder sb = new StringBuilder();
    final File root = new File("."); // Starting from a current directory

    try {

        final Process p = Runtime.getRuntime().exec(command, null, root);

        Reader input = new InputStreamReader(p.getInputStream());
        Reader errors = new InputStreamReader(p.getErrorStream());

        for (String s : IOUtils.readLines(input)) { // stdout
            sb.append(s);
            sb.append(OsUtils.LINE_SEPARATOR);
        }

        for (String s : IOUtils.readLines(errors)) { // stderr
            sb.append(s);
            sb.append(OsUtils.LINE_SEPARATOR);
        }

        p.getOutputStream().close();

        if (p.waitFor() != 0) {
            logger.error("The command '{}' did not complete successfully", command);
        }
    } catch (final InterruptedException e) {
        throw new IllegalStateException(e);
    }
    return sb.toString();
}

---

From source file:org.openmeetings.app.documents.GenerateThumbs.java

public HashMap<String, String> processImageWindows(String[] args) {
    HashMap<String, String> returnMap = new HashMap<String, String>();
    returnMap.put("process", "processImageWindows");
    try {//from www .  j  a  v  a 2  s  .  c om

        // Init variables
        String[] cmd;
        String executable_fileName = "";

        String runtimeFile = "interviewMerge.bat";
        executable_fileName = ScopeApplicationAdapter.batchFileDir + runtimeFile;

        cmd = new String[4];
        cmd[0] = "cmd.exe";
        cmd[1] = "/C";
        cmd[2] = "start";
        cmd[3] = executable_fileName;

        // log.debug("executable_fileName: "+executable_fileName);

        // Create the Content of the Converter Script (.bat or .sh File)

        String fileContent = "";

        for (int k = 0; k < args.length; k++) {
            if (k != 0) {
                fileContent += " ";
            }
            fileContent += args[k];
        }

        fileContent += ScopeApplicationAdapter.lineSeperator + "exit";

        File previous = new File(executable_fileName);
        if (previous.exists()) {
            previous.delete();
        }

        // execute the Script
        FileOutputStream fos = new FileOutputStream(executable_fileName);
        fos.write(fileContent.getBytes());
        fos.close();

        Runtime rt = Runtime.getRuntime();
        returnMap.put("command", cmd.toString());

        Process proc = rt.exec(cmd);

        InputStream stderr = proc.getErrorStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(stderr));
        String line = null;
        String error = "";
        while ((line = br.readLine()) != null) {
            error += line;
            // log.debug("line: "+line);
        }
        br.close();
        returnMap.put("error", error);
        int exitVal = proc.waitFor();
        returnMap.put("exitValue", "" + exitVal);
        return returnMap;
    } catch (Throwable t) {
        t.printStackTrace();
        returnMap.put("error", t.getMessage());
        returnMap.put("exitValue", "-1");
        return returnMap;
    }
}

---

From source file:magma.tools.benchmark.model.bench.SinglePlayerLauncher.java

private void runScript(String scriptName, Object[] arguments) {
    File workingDir = new File(path);
    File fullPath = new File(workingDir, scriptName);
    if (!validatePath(fullPath)) {
        return;/*w  ww .j a v a 2s  .c o m*/
    }

    Object[] commands = ArrayUtils.addAll(new Object[] { "bash", fullPath.getPath() }, arguments);
    String command = StringUtils.join(commands, " ");
    System.out.println(command);

    Process ps = UnixCommandUtil.launch(command, null, workingDir);
    stdOut = new StreamBufferer(ps.getInputStream(), 5000);
    stdErr = new StreamBufferer(ps.getErrorStream(), 5000);
}

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From source file:mitm.common.tools.OpenSSLWrapperTest.java

@Test(timeout = 5000)
public void testVerify() throws Exception {
    System.out.println("Starting testVerify");

    OpenSSLWrapper wrapper = new OpenSSLWrapper();

    File signedFile = new File(testDir, "clear-signed-validcertificate.eml");

    X509Certificate certificate = (X509Certificate) keyStore.getCertificate("root");

    wrapper.setCertificateAuthorities(certificate);

    Process p = wrapper.verify(signedFile);

    InputStream result = p.getInputStream();

    String error = IOUtils.toString(p.getErrorStream(), "US-ASCII");

    System.out.println(error);/* ww  w . j a va2s  .c  o m*/

    assertTrue(error.startsWith("Verification successful"));

    File outputFile = new File(tempDir, "openssltestverify.eml");

    FileOutputStream outputStream = new FileOutputStream(outputFile);

    IOUtils.copy(result, outputStream);

    outputStream.close();
}

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From source file:cz.cas.lib.proarc.common.process.AsyncProcess.java

public void kill() {
    Level level = isDone() ? Level.FINE : Level.WARNING;
    LOG.log(level, "Kill isDone: " + isDone() + ", " + cmdLine);
    Process process = refProcess.getAndSet(null);
    if (process != null) {
        process.destroy();/*from w w w . jav a 2  s .  c  o  m*/
        IOUtils.closeQuietly(process.getInputStream());
        IOUtils.closeQuietly(process.getErrorStream());
        IOUtils.closeQuietly(process.getOutputStream());
        done.set(true);
        try {
            outputConsumer.join();
        } catch (InterruptedException ex) {
            LOG.log(Level.SEVERE, null, ex);
        }
    }
}

---

From source file:io.jmnarloch.cd.go.plugin.sbt.SbtTaskExecutor.java

private int execute(ProcessBuilder builder, JobConsoleLogger console) throws IOException, InterruptedException {

    Process process = null;
    try {/* w w w . j  a  va  2s .c  om*/
        process = builder.start();

        console.readOutputOf(process.getInputStream());
        console.readErrorOf(process.getErrorStream());
        return process.waitFor();
    } finally {
        if (process != null) {
            process.destroy();
        }
    }
}

---

From source file:mitm.common.tools.OpenSSLWrapperTest.java

@Test(timeout = 5000)
public void testDecrypt() throws Exception {
    System.out.println("Starting testDecrypt");

    OpenSSLWrapper wrapper = new OpenSSLWrapper();

    KeyStore.PasswordProtection passwd = new KeyStore.PasswordProtection("test".toCharArray());

    PrivateKeyEntry entry = (PrivateKeyEntry) keyStore.getEntry("ValidCertificate", passwd);

    wrapper.setPrivateKey(entry.getPrivateKey());

    File encryptedFile = new File(testDir, "encrypted-validcertificate.eml");

    Process p = wrapper.decrypt(encryptedFile);

    InputStream result = p.getInputStream();

    String error = IOUtils.toString(p.getErrorStream(), "US-ASCII");

    System.out.println(error);/* w w  w. j a v  a2 s. c  o  m*/

    assertEquals("", error.trim());

    File outputFile = new File(tempDir, "openssltestdecrypt.eml");

    FileOutputStream outputStream = new FileOutputStream(outputFile);

    IOUtils.copy(result, outputStream);

    outputStream.close();
}

---

From source file:com.betfair.cougar.test.socket.app.JarRunner.java

protected void start(File dir, String[] extraArgs, boolean waitUntilExit) throws Exception {
    dir.mkdirs();/*from   w ww. j  a  v  a 2  s.  c  o m*/
    runDir = dir;
    // java -jar <jarfile>
    String[] baseCmd = new String[] { System.getProperty("java.home") + "/bin/java", "-jar",
            jarFile.getAbsolutePath() };
    String[] cmd = new String[baseCmd.length + extraArgs.length];
    System.arraycopy(baseCmd, 0, cmd, 0, baseCmd.length);
    System.arraycopy(extraArgs, 0, cmd, baseCmd.length, extraArgs.length);

    System.out.print("Running: java -jar " + cmd[2].substring(cmd[2].lastIndexOf("/") + 1));
    for (int i = 3; i < cmd.length; i++) {
        System.out.print(" " + cmd[i]);
    }
    System.out.println();

    Process p = Runtime.getRuntime().exec(cmd, new String[0], dir);
    startOutputStreaming(dir, p.getInputStream(), "stdout");
    startOutputStreaming(dir, p.getErrorStream(), "stderr");
    if (waitUntilExit) {
        p.waitFor();
        outputs = getOutputs();
    } else {
        backgroundProcess = p;
    }
}

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