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:ee.ria.xroad.proxy.ProxyMain.java

private static void readProxyVersion() {
    try {// w ww.j  ava2s  .  co  m
        String cmd;

        if (Files.exists(Paths.get("/etc/redhat-release"))) {
            cmd = "rpm -q --queryformat '%{VERSION}-%{RELEASE}' xroad-proxy";
        } else {
            cmd = "dpkg-query -f '${Version}' -W xroad-proxy";
        }

        Process p = Runtime.getRuntime().exec(cmd);
        p.waitFor();
        version = IOUtils.toString(p.getInputStream()).replace("'", "");

        if (StringUtils.isBlank(version)) {
            version = "unknown";

            log.warn("Unable to read proxy version: {}", IOUtils.toString(p.getErrorStream()));
        }
    } catch (Exception ex) {
        version = "unknown";
        log.warn("Unable to read proxy version", ex);
    }
}

---

From source file:net.pms.util.ProcessUtil.java

public static String run(int[] expectedExitCodes, String... cmd) {
    try {/*from  www .j  a v  a 2 s .c om*/
        ProcessBuilder pb = new ProcessBuilder(cmd);
        pb.redirectErrorStream(true);
        Process p = pb.start();
        StringBuilder output;
        try (BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()))) {
            String line;
            output = new StringBuilder();
            while ((line = br.readLine()) != null) {
                output.append(line).append("\n");
            }
        }
        p.waitFor();
        boolean expected = false;
        if (expectedExitCodes != null) {
            for (int expectedCode : expectedExitCodes) {
                if (expectedCode == p.exitValue()) {
                    expected = true;
                    break;
                }
            }
        }
        if (!expected) {
            LOGGER.debug("Warning: command {} returned {}", Arrays.toString(cmd), p.exitValue());
        }
        return output.toString();
    } catch (Exception e) {
        LOGGER.error("Error running command " + Arrays.toString(cmd), e);
    }
    return "";
}

---

From source file:com.kylinolap.metadata.tool.HiveSourceTableMgmt.java

/**
 * @param hiveCommd/*w ww .  j  ava2s  .  co m*/
 */
private static String callGenerateCommand(String hiveCommd) throws IOException {
    // Get out put path
    String tempDir = System.getProperty("java.io.tmpdir");
    logger.info("OS current temporary directory is " + tempDir);
    if (StringUtils.isEmpty(tempDir)) {
        tempDir = "/tmp";
    }
    String[] cmd = new String[2];
    String osName = System.getProperty("os.name");
    if (osName.startsWith("Windows")) {
        cmd[0] = "cmd.exe";
        cmd[1] = "/C";
    } else {
        cmd[0] = "/bin/bash";
        cmd[1] = "-c";
    }

    // hive command output
    // String hiveOutputPath = tempDir + File.separator +
    // "tmp_kylin_output";
    String hiveOutputPath = File.createTempFile("HiveOutput", null).getAbsolutePath();
    // Metadata output
    File dir = File.createTempFile("meta", null);
    dir.delete();
    dir.mkdir();
    String tableMetaOutcomeDir = dir.getAbsolutePath();

    ProcessBuilder pb = null;

    if (osName.startsWith("Windows")) {
        pb = new ProcessBuilder(cmd[0], cmd[1],
                "ssh root@sandbox 'hive -e \"" + hiveCommd + "\"' > " + hiveOutputPath);
    } else {
        pb = new ProcessBuilder(cmd[0], cmd[1], "hive -e \"" + hiveCommd + "\" > " + hiveOutputPath);
    }

    // Run hive
    pb.directory(new File(tempDir));
    pb.redirectErrorStream(true);
    Process p = pb.start();
    InputStream is = p.getInputStream();
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = null;

    try {
        br = new BufferedReader(isr);
        String line = null;
        logger.info("Execute : " + pb.command().get(0));
        while ((line = br.readLine()) != null) {
            logger.info(line);
        }
    } finally {
        if (null != br) {
            br.close();
        }
    }
    logger.info("Hive execution completed!");

    HiveSourceTableMgmt rssMgmt = new HiveSourceTableMgmt();
    rssMgmt.extractTableDescFromFile(hiveOutputPath, tableMetaOutcomeDir);
    return tableMetaOutcomeDir;
}

---

From source file:eu.stratosphere.nephele.instance.HardwareDescriptionFactory.java

/**
 * Returns the size of the physical memory in bytes on a Mac OS-based
 * operating system//from   w w w.j ava 2  s  .  c  o m
 * 
 * @return the size of the physical memory in bytes or <code>-1</code> if
 *         the size could not be determined
 */
private static long getSizeOfPhysicalMemoryForMac() {

    BufferedReader bi = null;

    try {
        Process proc = Runtime.getRuntime().exec("sysctl hw.memsize");

        bi = new BufferedReader(new InputStreamReader(proc.getInputStream()));

        String line;

        while ((line = bi.readLine()) != null) {
            if (line.startsWith("hw.memsize")) {
                long memsize = Long.parseLong(line.split(":")[1].trim());
                bi.close();
                proc.destroy();
                return memsize;
            }
        }

    } catch (Exception e) {
        LOG.error(e);
        return -1;
    } finally {
        if (bi != null) {
            try {
                bi.close();
            } catch (IOException ioe) {
            }
        }
    }
    return -1;
}

---

From source file:ai.h2o.servicebuilder.Util.java

/**
 * Run command cmd in separate process in directory
 *
 * @param directory    run in this directory
 * @param cmd          command to run//  w  w  w .jav a2 s. co m
 * @param errorMessage error message if process didn't finish with exit value 0
 * @return stdout combined with stderr
 * @throws Exception
 */
public static String runCmd(File directory, List<String> cmd, String errorMessage) throws Exception {
    ProcessBuilder pb = new ProcessBuilder(cmd);
    pb.directory(directory);
    pb.redirectErrorStream(true); // error sent to output stream
    Process p = pb.start();

    // get output stream to string
    String s;
    StringBuilder sb = new StringBuilder();
    BufferedReader stdout = new BufferedReader(new InputStreamReader(p.getInputStream()));
    while ((s = stdout.readLine()) != null) {
        logger.info(s);
        sb.append(s);
        sb.append('\n');
    }
    String sbs = sb.toString();
    int exitValue = p.waitFor();
    if (exitValue != 0)
        throw new Exception(errorMessage + " exit value " + exitValue + "  " + sbs);
    return sbs;
}

---

From source file:de.helmholtz_muenchen.ibis.utils.threads.ExecuteThread.java

/**
 * Catch STDOUT of process and return it as StringBuffer
 * @param p the process//from  ww w  .java2 s . c  o m
 * @return StringBuffer containing the STDOUT of the given process
 * @throws IOException
 */
private static StringBuffer getLogEntryStdOut(Process p) throws IOException {
    String s = null;
    StringBuffer nodeEntry = new StringBuffer(60);
    BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));
    while ((s = stdInput.readLine()) != null) {
        nodeEntry.append(s + "\n");
    }
    return nodeEntry;
}

---

From source file:eu.stratosphere.nephele.instance.HardwareDescriptionFactory.java

/**
 * Returns the size of the physical memory in bytes on FreeBSD.
 * /*from   w w w . j  a v a2s .  c  om*/
 * @return the size of the physical memory in bytes or <code>-1</code> if
 *         the size could not be determined
 */
private static long getSizeOfPhysicalMemoryForFreeBSD() {
    BufferedReader bi = null;
    try {
        Process proc = Runtime.getRuntime().exec("sysctl hw.physmem");

        bi = new BufferedReader(new InputStreamReader(proc.getInputStream()));

        String line;

        while ((line = bi.readLine()) != null) {
            if (line.startsWith("hw.physmem")) {
                long memsize = Long.parseLong(line.split(":")[1].trim());
                bi.close();
                proc.destroy();
                return memsize;
            }
        }

        LOG.error("Cannot determine the size of the physical memory using 'sysctl hw.physmem'.");
        return -1;
    } catch (Exception e) {
        LOG.error(
                "Cannot determine the size of the physical memory using 'sysctl hw.physmem': " + e.getMessage(),
                e);
        return -1;
    } finally {
        if (bi != null) {
            try {
                bi.close();
            } catch (IOException ioe) {
            }
        }
    }
}

---

From source file:Main.java

public static String runScript(String script) {
    String sRet;//from ww w  .  j  av  a 2 s. com
    try {
        final Process m_process = Runtime.getRuntime().exec(script);
        final StringBuilder sbread = new StringBuilder();
        Thread tout = new Thread(new Runnable() {
            public void run() {
                BufferedReader bufferedReader = new BufferedReader(
                        new InputStreamReader(m_process.getInputStream()), 8192);
                String ls_1;
                try {
                    while ((ls_1 = bufferedReader.readLine()) != null) {
                        sbread.append(ls_1).append("\n");
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    try {
                        bufferedReader.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
        tout.start();

        final StringBuilder sberr = new StringBuilder();
        Thread terr = new Thread(new Runnable() {
            public void run() {
                BufferedReader bufferedReader = new BufferedReader(
                        new InputStreamReader(m_process.getErrorStream()), 8192);
                String ls_1;
                try {
                    while ((ls_1 = bufferedReader.readLine()) != null) {
                        sberr.append(ls_1).append("\n");
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    try {
                        bufferedReader.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
        terr.start();

        m_process.waitFor();
        while (tout.isAlive()) {
            Thread.sleep(50);
        }
        if (terr.isAlive())
            terr.interrupt();
        String stdout = sbread.toString();
        String stderr = sberr.toString();
        sRet = stdout + stderr;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
    return sRet;
}

---

From source file:org.spring.data.gemfire.AbstractGemFireIntegrationTest.java

protected static OutputStream startSpringGemFireServer(final long waitTimeout,
        final String... springConfigLocations) throws IOException {
    String serverId = DATE_FORMAT.format(Calendar.getInstance().getTime());

    File serverWorkingDirectory = FileSystemUtils.createFile("server-".concat(serverId));

    Assert.isTrue(FileSystemUtils.createDirectory(serverWorkingDirectory), String.format(
            "Failed to create working directory (%1$s) in which the Spring-based GemFire Server will run!",
            serverWorkingDirectory));//from  ww w .j a  v  a  2s .c om

    String[] serverCommandLine = buildServerCommandLine(springConfigLocations);

    System.out.printf("Starting Spring GemFire Server in (%1$s)...%n", serverWorkingDirectory);

    Process serverProcess = ProcessUtils.startProcess(serverCommandLine, serverWorkingDirectory);

    readProcessStream(serverId, "ERROR", serverProcess.getErrorStream());
    readProcessStream(serverId, "OUT", serverProcess.getInputStream());
    ProcessUtils.registerProcessShutdownHook(serverProcess, "Spring GemFire Server", serverWorkingDirectory);
    waitOnServer(waitTimeout, serverProcess, serverWorkingDirectory);

    return serverProcess.getOutputStream();
}

---

From source file:javadepchecker.Main.java

private static Collection<String> getPackageJars(String pkg) {
    ArrayList<String> jars = new ArrayList<String>();
    try {//from   ww w .j ava 2  s  . c  om
        Process p = Runtime.getRuntime().exec("java-config -p " + pkg);
        p.waitFor();
        BufferedReader in;
        in = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String output = in.readLine();
        if (output != null/* package somehow missing*/ && !output.trim().equals("")) {
            for (String jar : output.split(":")) {
                jars.add(jar);
            }
        }
    } catch (InterruptedException ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
    }
    return jars;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »