Example usage for java.lang Process getInputStream

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:com.junoyoon.BullsUtil.java

/**
 * Run command and/*  w  w  w .  j  a va2  s. co  m*/
 * 
 * @param cmd
 * @return
 * @throws IOException
 */
public static String getCmdOutput(List<String> cmd) throws IOException {
    ProcessBuilder builder = new ProcessBuilder();
    builder.command().addAll(cmd);
    builder.redirectErrorStream(true);
    StringBuilder result = new StringBuilder(1024);
    Process proc = builder.start();
    boolean firstLine = true;
    for (Object eachLineObject : IOUtils.readLines(proc.getInputStream())) {
        String eachLine = (String) eachLineObject;
        if (firstLine) {
            eachLine = eachLine.replace("charset=us-ascii", "charset=" + Constant.DEFAULT_ENCODING);
            firstLine = false;
        }
        result.append(eachLine).append("\n");
    }
    return result.toString();
}

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From source file:Main.java

public static String execRootCmd(String cmd) {
    String result = "result : ";
    try {//from  ww w . jav a2 s. co  m
        Process p = Runtime.getRuntime().exec("su ");
        OutputStream outStream = p.getOutputStream();
        DataOutputStream dOutStream = new DataOutputStream(outStream);
        InputStream inStream = p.getInputStream();
        DataInputStream dInStream = new DataInputStream(inStream);
        String str1 = String.valueOf(cmd);
        String str2 = str1 + "\n";
        dOutStream.writeBytes(str2);
        dOutStream.flush();
        String str3 = null;
        String line = "";
        while ((line = dInStream.readLine()) != null) {
            Log.d("result", str3);
            str3 += line;
        }
        dOutStream.writeBytes("exit\n");
        dOutStream.flush();
        p.waitFor();
        return result;
    } catch (Exception e) {
        e.printStackTrace();
        return result;
    }
}

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From source file:Main.java

public static String getLocalDns(String dns) {
    Process process = null;
    String str = "";
    BufferedReader reader = null;
    try {//from w w w. ja v  a 2 s.  c o  m
        process = Runtime.getRuntime().exec("getprop net." + dns);
        reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
        String line = null;
        while ((line = reader.readLine()) != null) {
            str += line;
        }
        reader.close();
        process.waitFor();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        e.printStackTrace();
    } finally {
        try {
            if (reader != null) {
                reader.close();
            }
            process.destroy();
        } catch (Exception e) {
        }
    }
    return str.trim();
}

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From source file:com.pentaho.ctools.utils.BAServerService.java

/**
 * This method shall execute a windows command to start/stop/query 
 * windows services//from w  w  w  . j  av a2  s .  c  o  m
 * 
 * @param command
 * @return Output of the command execution.
 */
private static String ExecuteCommand(String[] command) {
    String output = "";
    try {
        Process process = new ProcessBuilder(command).start();

        try (InputStream inputStream = process.getInputStream();
                InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
                BufferedReader bufferedReader = new BufferedReader(inputStreamReader);) {

            String line;
            while ((line = bufferedReader.readLine()) != null) {
                LOG.debug("OUTPUT:: " + line);
                output += line;
            }
        } catch (Exception ex) {//InputStream
            LOG.debug("InputStream Exception : " + ex);
        }
    } catch (Exception ex) { //Process
        LOG.debug("Process Exception : " + ex);
    }
    return output;
}

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From source file:gool.executor.Command.java

/**
 * Executes a command in the specified working directory.
 * /*w  w  w.j a  va2  s. co m*/
 * @param workingDir
 *            the working directory.
 * @param params
 *            the command to execute and its parameters.
 * @return the console output.
 */
public static String exec(File workingDir, List<String> params, Map<String, String> env) {
    try {
        StringBuffer buffer = new StringBuffer();

        ProcessBuilder pb = new ProcessBuilder(params);
        pb.directory(workingDir);

        for (Entry<String, String> e : env.entrySet()) {
            pb.environment().put(e.getKey(), e.getValue());
        }
        Process p = pb.redirectErrorStream(true).start();

        p.getOutputStream().close();
        BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));

        String line;
        while ((line = in.readLine()) != null) {
            buffer.append(line).append("\n");
        }

        int retval = p.waitFor();

        if (retval != 0) {
            throw new CommandException(
                    "The command execution returned " + retval + " as return value... !\n" + buffer);
        }

        return buffer.toString();
    } catch (IOException e) {
        throw new CommandException(e);
    } catch (InterruptedException e) {
        throw new CommandException("It seems the process was killed", e);
    }
}

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From source file:io.jmnarloch.cd.go.plugin.gradle.GradleTaskExecutor.java

/**
 * Executes the actual Gradle build./* w  w w  . ja v  a  2 s.  c o m*/
 *
 * @param builder the process builder
 * @param console the log output
 * @return the process return value
 * @throws IOException          if any error occurs during I/O operation
 * @throws InterruptedException if any error occurs during process execution
 */
private static int execute(ProcessBuilder builder, JobConsoleLogger console)
        throws IOException, InterruptedException {

    Process process = null;
    try {
        process = builder.start();

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

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From source file:Main.java

private static String executeTop() {
    Process p = null;
    BufferedReader in = null;//from   w w w . ja va2  s .  co m
    String returnString = null;
    try {
        p = Runtime.getRuntime().exec("top -n 1");
        in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        while (returnString == null || returnString.contentEquals("")) {
            returnString = in.readLine();
        }
    } catch (IOException e) {
        Log.e("executeTop", "error in getting first line of top");
        e.printStackTrace();
    } finally {
        try {
            in.close();
            p.destroy();
        } catch (IOException e) {
            Log.e("executeTop", "error in closing and destroying top process");
            e.printStackTrace();
        }
    }
    return returnString;
}

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From source file:BluemixUtils.java

private static String executeCmdCommand(String command) throws IOException {
    System.out.println("Execute " + command);
    ProcessBuilder builder = new ProcessBuilder("cmd.exe", "/c", command);
    //        builder.redirectErrorStream(true);
    Process p = builder.start();
    BufferedReader r = new BufferedReader(new InputStreamReader(p.getInputStream()));
    StringBuilder result = new StringBuilder();
    String line;/* www. ja v a2  s .co m*/
    while (true) {
        line = r.readLine();
        if (line == null) {
            break;
        }
        result.append(line);
        System.out.println(line);
    }
    return result.toString();

}

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From source file:Main.java

public static String getMac() {
    String mac = null;//w ww  . jav  a  2s  .c o m
    String macSerial = null;
    String str = "";
    try {
        Process pp = Runtime.getRuntime().exec("cat /sys/class/net/wlan0/address");
        //            Process pp = Runtime.getRuntime().exec("cat /sys/class/net/eth0/address");
        InputStreamReader ir = new InputStreamReader(pp.getInputStream());
        LineNumberReader input = new LineNumberReader(ir);

        for (; null != str;) {
            str = input.readLine();
            if (str != null) {
                macSerial = str.trim();
                break;
            }
        }
    } catch (IOException ex) {
        ex.printStackTrace();
    }

    if (macSerial != null) {
        macSerial = macSerial.replace(":", "");
        macSerial = macSerial.replace("a", "A");
        macSerial = macSerial.replace("b", "B");
        macSerial = macSerial.replace("c", "C");
        macSerial = macSerial.replace("d", "D");
        macSerial = macSerial.replace("e", "E");
        mac = macSerial.replace("f", "F");
    }

    return mac;

}

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From source file:com.yahoo.storm.yarn.TestIntegration.java

@SuppressWarnings({ "rawtypes", "unchecked" })
private static int execute(List<String> cmd) throws InterruptedException, IOException {
    LOG.info(Joiner.on(" ").join(cmd));
    ProcessBuilder pb = new ProcessBuilder(cmd);
    Map env = pb.environment();//  w  w w  . j a v  a2s. co  m
    env.putAll(System.getenv());
    env.put(Environment.PATH.name(),
            "bin:" + storm_home + File.separator + "bin:" + env.get(Environment.PATH.name()));
    String yarn_conf_dir = yarn_site_xml.getParent().toString();
    env.put("STORM_YARN_CONF_DIR", yarn_conf_dir);
    List<URL> logback_xmls = Utils.findResources("logback.xml");
    if (logback_xmls != null && logback_xmls.size() >= 1) {
        String logback_xml = logback_xmls.get(0).getFile();
        LOG.debug("logback_xml:" + yarn_conf_dir + File.separator + "logback.xml");
        FileUtils.copyFile(new File(logback_xml), new File(yarn_conf_dir + File.separator + "logback.xml"));
    }
    List<URL> log4j_properties = Utils.findResources("log4j.properties");
    if (log4j_properties != null && log4j_properties.size() >= 1) {
        String log4j_properties_file = log4j_properties.get(0).getFile();
        LOG.debug("log4j_properties_file:" + yarn_conf_dir + File.separator + "log4j.properties");
        FileUtils.copyFile(new File(log4j_properties_file),
                new File(yarn_conf_dir + File.separator + "log4j.properties"));
    }

    Process proc = pb.start();
    Util.redirectStreamAsync(proc.getInputStream(), System.out);
    Util.redirectStreamAsync(proc.getErrorStream(), System.err);
    int status = proc.waitFor();
    return status;
}

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