Example usage for java.lang Process getInputStream

List of usage examples for java.lang Process getInputStream

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Introduction

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

Prototype

public abstract InputStream getInputStream();

Source Link

Document

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

Usage

From source file:edu.tum.cs.ias.knowrob.utils.ResourceRetriever.java

/**
 * Tries to find the specified ros package by calling 'rospack find'.
 * //from w  w  w. ja  v  a  2 s  . c  om
 * @param pkgname
 *            Package to search for
 * @return Absolute path to the package or null if not found
 */
public static String findPackage(String pkgname) {

    try {
        String line;
        String cmd = "rospack find " + pkgname;
        Process p = Runtime.getRuntime().exec(cmd);
        BufferedReader errReader = new BufferedReader(new InputStreamReader(p.getErrorStream()));
        while ((line = errReader.readLine()) != null) {
            System.err.println(line);
        }
        BufferedReader pathreader = new BufferedReader(new InputStreamReader(p.getInputStream(), "UTF-8"));
        if ((line = pathreader.readLine()) != null) {
            return line;
        }
    } catch (IOException e) {
        e.printStackTrace(System.err);
    }
    return null;
}

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

private static File buildExecutable(String outputFileName, String inputFileName, boolean compileOnly,
        String llvmCode) throws IOException, InterruptedException {
    File outputFile = null;/*from   ww w .j  a va2s. c o m*/
    if (outputFileName != null) {
        outputFile = new File(outputFileName);
    } else if (inputFileName != null) {
        outputFile = new File(FilenameUtils.removeExtension(inputFileName));
    } else if (compileOnly) {
        outputFile = File.createTempFile("output", null, null);
        outputFile.deleteOnExit();
    } else {
        outputFile = new File("output");
    }

    ProcessBuilder llcProcessBuilder = new ProcessBuilder("llc", "-O=2");
    Process llcProcess = llcProcessBuilder.start();
    PrintStream llcInput = new PrintStream(llcProcess.getOutputStream());
    llcInput.print(llvmCode);
    llcInput.close();

    ProcessBuilder ccProcessBuilder = new ProcessBuilder("cc", "-x", "assembler", "-o",
            outputFile.getAbsolutePath(), "-");
    Process ccProcess = ccProcessBuilder.start();
    IOUtils.copy(llcProcess.getInputStream(), ccProcess.getOutputStream());
    ccProcess.getOutputStream().close();

    System.err.print(IOUtils.toString(llcProcess.getErrorStream()));
    System.err.print(IOUtils.toString(ccProcess.getErrorStream()));
    return outputFile;
}

From source file:com.bukanir.android.utils.Utils.java

public static boolean isStorageVfat(Context context) {
    try {/*  w  w  w.j a va2  s. c o m*/
        String cacheDir = context.getExternalCacheDir().toString();
        List<String> items = Arrays.asList(cacheDir.split("/"));
        String path = items.get(1) + "/" + items.get(2);

        String cmd = String.format("/system/bin/mount | grep '%s'", path);
        String[] command = { "/system/bin/sh", "-c", cmd };

        Process process = Runtime.getRuntime().exec(command, null, new File("/system/bin"));
        try {
            process.waitFor();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        String line;
        String output = "";
        BufferedReader in = new BufferedReader(new InputStreamReader(process.getInputStream()));
        while ((line = in.readLine()) != null) {
            output += line;
        }

        List<String> outputItems = Arrays.asList(output.split(" "));
        if (outputItems.size() >= 3) {
            if (outputItems.get(2).equals("vfat")) {
                return true;
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:edu.uci.ics.asterix.event.service.AsterixEventServiceUtil.java

public static String executeLocalScript(String path, List<String> args) throws Exception {
    List<String> pargs = new ArrayList<String>();
    pargs.add("/bin/bash");
    pargs.add(path);//from  w  w  w  . j ava 2  s. com
    if (args != null) {
        pargs.addAll(args);
    }
    ProcessBuilder pb = new ProcessBuilder(pargs);
    pb.environment().putAll(EventDriver.getEnvironment());
    pb.environment().put("IP_LOCATION", EventDriver.CLIENT_NODE.getClusterIp());
    Process p = pb.start();
    BufferedInputStream bis = new BufferedInputStream(p.getInputStream());
    StringWriter writer = new StringWriter();
    IOUtils.copy(bis, writer, "UTF-8");
    return writer.toString();
}

From source file:ReadTemp.java

/** Executes the given applescript code and returns the first line of the 
 output as a string *//*from   w w  w .jav  a  2  s  .co  m*/
static String doApplescript(String script) {
    String line;
    try {
        // Start applescript 
        Process p = Runtime.getRuntime().exec("/usr/bin/osascript -s o -");

        // Send applescript via stdin
        OutputStream stdin = p.getOutputStream();
        stdin.write(script.getBytes());
        stdin.flush();
        stdin.close();

        // get first line of output
        BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
        line = input.readLine();
        input.close();

        // If we get an exit code, print it out
        if (p.waitFor() != 0) {
            System.err.println("exit value = " + p.exitValue());
            System.err.println(line);
        }
        return line;
    } catch (Exception e) {
        System.err.println(e);
    }

    return "";
}

From source file:com.krawler.portal.util.SystemEnv.java

public static Properties getProperties() {
    Properties props = new Properties();

    try {//from  www .  ja  va 2s.  com
        Runtime runtime = Runtime.getRuntime();
        Process process = null;

        String osName = System.getProperty("os.name").toLowerCase();

        if (osName.indexOf("windows ") > -1) {
            if (osName.indexOf("windows 9") > -1) {
                process = runtime.exec("command.com /c set");
            } else {
                process = runtime.exec("cmd.exe /c set");
            }
        } else {
            process = runtime.exec("env");
        }

        BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));

        String line;

        while ((line = br.readLine()) != null) {
            int pos = line.indexOf(StringPool.EQUAL);

            if (pos != -1) {
                String key = line.substring(0, pos);
                String value = line.substring(pos + 1);

                props.setProperty(key, value);
            }
        }
    } catch (IOException ioe) {
        logger.warn(ioe.getMessage(), ioe);
    }

    return props;
}

From source file:Main.java

private static byte[] ExecuteCommand(String command, Boolean useroot, boolean forcenew) throws Exception {
    Process p;
    DataOutputStream stdin;//from   www . j  a  v a  2s .  com
    InputStream stdout;
    ByteArrayOutputStream baos;
    int read;
    byte[] buffer;
    /*
     * If for any reason the command does not print anything we are stuck forever.
     * Make sure that we print SOMETHING ALWAYS!
     */
    command = "RESULT=$(" + command + "); if [[ $RESULT == '' ]]; then echo '#null#';else echo $RESULT;fi\n";

    p = getProcess(useroot, forcenew);

    stdin = new DataOutputStream(p.getOutputStream());
    stdout = p.getInputStream();
    buffer = new byte[BUFF_LEN];
    baos = new ByteArrayOutputStream();

    stdin.writeBytes(command);

    while (true) {
        read = stdout.read(buffer);
        baos.write(buffer, 0, read);
        if (read < BUFF_LEN) {
            //we have read everything
            break;
        }
    }
    if (forcenew) {
        stdin.writeBytes("exit\n");
        stdin.flush();
        stdin.close();
    }

    //p.waitFor();

    return baos.toByteArray();
}

From source file:net.floodlightcontroller.queuepusher.QueuePusherSwitchMapper.java

/**
 * Runs the given command//from   w  w w . ja  v  a  2s  .  c om
 * 
 * @param cmd Command to execute
 * @return 0: (int)exit code 1: (string)stdout 2: (string)stderr
 */

private static Object[] eval(String cmd) {

    Object[] rsp = new Object[3];
    Runtime rt = Runtime.getRuntime();
    Process proc = null;

    try {
        proc = rt.exec(cmd);
        proc.waitFor();
        rsp[0] = proc.exitValue();
    } catch (InterruptedException e) {
        rsp[0] = 1;
    } catch (IOException e) {
        rsp[0] = 1;
    } finally {
        if (proc == null) {
            rsp[0] = 1;
        } else {

            try {

                BufferedReader stdout = new BufferedReader(new InputStreamReader(proc.getInputStream()));
                BufferedReader stderr = new BufferedReader(new InputStreamReader(proc.getErrorStream()));

                String temp;
                StringBuilder sb = new StringBuilder();
                while ((temp = stdout.readLine()) != null) {
                    sb.append(temp);
                }

                rsp[1] = sb.toString();
                sb = new StringBuilder();
                while ((temp = stderr.readLine()) != null) {
                    sb.append(temp);
                }

                rsp[2] = sb.toString();

            } catch (IOException e) {
                rsp[0] = 1;
            }

        }
    }

    return rsp;

}

From source file:com.utdallas.s3lab.smvhunter.enumerate.UIEnumerator.java

public static String execSpecial(String command) throws Exception {
    String cmd[] = { "/bin/bash", "-c", command };

    logger.info("command executed: " + command);
    Process pr = Runtime.getRuntime().exec(cmd);

    String result = IOUtils.toString(pr.getInputStream());
    pr.destroy();//from   ww  w  .  j  av a  2 s.  com
    return StringUtils.strip(result);
}

From source file:com.utdallas.s3lab.smvhunter.enumerate.UIEnumerator.java

/**
 * exec external command//from   w  w w.j ava  2  s . co m
 * @param command
 * @return
 * @throws IOException
 */
public static String execCommand(String command) throws IOException {
    logger.info("command executed " + command);
    Process pr = Runtime.getRuntime().exec(command);
    String result = IOUtils.toString(pr.getInputStream());
    pr.destroy();
    return result;
}