Example usage for java.io DataInputStream close

Introduction

In this page you can find the example usage for java.io DataInputStream close.

Prototype

public void close() throws IOException 

Source Link

Document

Closes this input stream and releases any system resources associated with the stream.

Usage

From source file:com.datatorrent.contrib.hdht.HDHTWalManager.java

/**
 * Remove files older than recoveryStartWalFileId.
 * /*from   ww  w .  jav a2 s  .c o m*/
 * @param recoveryStartWalFileId
 */
public void cleanup(long recoveryStartWalFileId) {
    if (recoveryStartWalFileId == 0) {
        return;
    }

    recoveryStartWalFileId--;
    try {
        while (true) {
            DataInputStream in = bfs.getInputStream(walKey, WAL_FILE_PREFIX + recoveryStartWalFileId);
            in.close();
            logger.info("deleting WAL file {}", recoveryStartWalFileId);
            bfs.delete(walKey, WAL_FILE_PREFIX + recoveryStartWalFileId);
            recoveryStartWalFileId--;
        }
    } catch (FileNotFoundException ex) {
        //Do nothing
    } catch (IOException ex) {
        //Do nothing
    }
}

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From source file:org.gdg.frisbee.android.cache.ModelCache.java

private long readExpirationFromDisk(InputStream is) throws IOException {
    DataInputStream din = new DataInputStream(is);
    long expiration = din.readLong();
    din.close();
    return expiration;
}

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From source file:org.apache.hadoop.io.TestBufferedByteInputOutput.java

/**
 * Test reading from closed buffer./*  w w w.jav  a  2  s  .c o m*/
 */
@Test
public void testCloseInput() throws IOException {
    LOG.info("Running test close input");
    setUp(1000);

    // input is of size 1000, so the ReadThread will attempt to write to
    // the buffer, which will fail, but we should be able to read 100 bytes
    ByteArrayInputStream is = new ByteArrayInputStream(input);
    DataInputStream dis = BufferedByteInputStream.wrapInputStream(is, 100, 10);

    // wait for the thread to read from is and
    // write to the buffer
    while (dis.available() < 100) {
        sleep(10);
    }

    // no more writes to the internal buffer
    dis.close();

    try {
        dis.read(); // read will call DataInputStream fill() which should fail
        fail("Read should fail because we are closed");
    } catch (Exception e) {
        LOG.info("Expected exception " + e.getMessage());
    }

    dis.close(); // can call multiple close()  

    try {
        dis.read(new byte[10], 0, 10);
        fail("Read should fail because we are closed");
    } catch (Exception e) {
        LOG.info("Expected exception " + e.getMessage());
    }

    try {
        dis.available();
        fail("Available should fail because we are closed");
    } catch (Exception e) {
        LOG.info("Expected exception " + e.getMessage());
    }
}

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From source file:net.modsec.ms.connector.ConnRequestHandler.java

/**
 * Reads the modsecurity configuration file on modsecurity machine.
 * @param json/*from   www.j  ava 2s  . co  m*/
 */
@SuppressWarnings("unchecked")
public static void onReadMSConfig(JSONObject json) {

    log.info("onReadMSConfig called.. : " + json.toJSONString());
    MSConfig serviceCfg = MSConfig.getInstance();

    String fileName = serviceCfg.getConfigMap().get("MSConfigFile");
    InputStream ins;
    BufferedReader br;

    try {

        File file = new File(fileName);
        DataInputStream in;

        @SuppressWarnings("resource")
        FileChannel channel = new RandomAccessFile(file, "rw").getChannel();
        FileLock lock = channel.lock();

        try {

            ins = new FileInputStream(file);
            in = new DataInputStream(ins);
            br = new BufferedReader(new InputStreamReader(in));

            String line = "";

            while ((line = br.readLine()) != null) {

                //log.info("Line :" + line);
                for (ModSecConfigFields field : ModSecConfigFields.values()) {

                    if (line.startsWith(field.toString())) {

                        if (line.trim().split(" ")[0].equals(field.toString())) {
                            json.put(field.toString(), line.trim().split(" ")[1].replace("\"", ""));
                        }

                    }

                }

            }
            log.info("ModSecurity Configurations configurations Loaded ... ");

        } finally {

            lock.release();

        }
        br.close();
        in.close();
        ins.close();

    } catch (FileNotFoundException e1) {

        json.put("status", "1");
        json.put("message", "configuration file not found");
        e1.printStackTrace();

    } catch (IOException | NullPointerException e) {

        json.put("status", "1");
        json.put("message", "configuration file is corrupt");
        e.printStackTrace();

    }

    log.info("Sending Json :" + json.toJSONString());
    ConnectorService.getConnectorProducer().send(json.toJSONString());
    json.clear();

}

---

From source file:org.openxdata.server.servlet.WMDownloadServlet.java

private void downloadStudies(HttpServletResponse response) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    formDownloadService.downloadStudies(dos, "", "");
    baos.flush();/*  www. j  a  va  2 s  . c  o  m*/
    dos.flush();
    byte[] data = baos.toByteArray();
    baos.close();
    dos.close();

    DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data));

    PrintWriter out = response.getWriter();
    out.println("<StudyList>");

    try {
        @SuppressWarnings("unused")
        byte size = dis.readByte(); //reads the size of the studies

        while (true) {
            String value = "<study id=\"" + dis.readInt() + "\" name=\"" + dis.readUTF() + "\"/>";
            out.println(value);
        }
    } catch (EOFException exe) {
        //exe.printStackTrace();
    }
    out.println("</StudyList>");
    out.flush();
    dis.close();
}

---

From source file:com.photon.phresco.framework.impl.CIManagerImpl.java

private void setSvnCredential(CIJob job) throws JDOMException, IOException {
    S_LOGGER.debug("Entering Method CIManagerImpl.setSvnCredential");
    try {//from ww  w . j  a v  a 2s  .com
        InputStream credentialXml = PhrescoFrameworkFactory.getServiceManager().getCredentialXml();
        SvnProcessor processor = new SvnProcessor(credentialXml);
        DataInputStream in = new DataInputStream(credentialXml);
        while (in.available() != 0) {
            System.out.println(in.readLine());
        }

        in.close();
        processor.changeNodeValue("credentials/entry//userName", job.getUserName());
        processor.changeNodeValue("credentials/entry//password", job.getPassword());

        processor.writeStream(new File(Utility.getJenkinsHome() + File.separator + job.getName()));

        //jenkins home location
        String jenkinsJobHome = System.getenv(JENKINS_HOME);
        StringBuilder builder = new StringBuilder(jenkinsJobHome);
        builder.append(File.separator);

        processor.writeStream(new File(builder.toString() + CI_CREDENTIAL_XML));
    } catch (Exception e) {
        S_LOGGER.error(
                "Entered into the catch block of CIManagerImpl.setSvnCredential " + e.getLocalizedMessage());
    }
}

---

From source file:org.apache.hadoop.hdfs.server.namenode.ConfigManager.java

/**
 * Removes all the entries currently in neverDeletePaths 
 * and add the new ones specified//from  w ww  .  ja  va2  s.  co  m
 */
void reloadWhitelist() throws IOException {

    // read the entire whitelist into memory outside the
    // FSNamessytem lock.
    //
    LinkedList<String> paths = new LinkedList<String>();
    FileInputStream fstream = new FileInputStream(whitelistFile);
    DataInputStream in = new DataInputStream(fstream);
    BufferedReader br = new BufferedReader(new InputStreamReader(in));
    int count = 0;
    while (true) {
        String str = br.readLine();
        if (str == null) {
            break; // end of file
        }
        str = str.trim(); // remove all whitespace from start and end
        if (str.startsWith("#")) {
            continue; // ignore lines with starting with #
        }
        paths.add(str);
        LOG.info("Whitelisted directory [" + count + "] " + str);
        count++;
    }
    in.close();

    // acquire the writelock and insert newly read entries into 
    // the Namenode's configuration.
    namesys.writeLock();
    try {
        namesys.neverDeletePaths.clear();
        for (String s : paths) {
            namesys.neverDeletePaths.add(s);
        }
    } finally {
        namesys.writeUnlock();
    }
}

---

From source file:org.apache.hadoop.fs.slive.TestSlive.java

@Test
public void testBadChunks() throws Exception {
    File fn = getTestFile();//www. ja va  2  s . c  o m
    int byteAm = 10000;
    FileOutputStream fout = new FileOutputStream(fn);
    byte[] bytes = new byte[byteAm];
    rnd.nextBytes(bytes);
    fout.write(bytes);
    fout.close();
    // attempt to read it
    DataVerifier vf = new DataVerifier();
    VerifyOutput vout = new VerifyOutput(0, 0, 0, 0);
    DataInputStream in = null;
    try {
        in = new DataInputStream(new FileInputStream(fn));
        vout = vf.verifyFile(byteAm, in);
    } catch (Exception e) {

    } finally {
        if (in != null)
            in.close();
    }
    assertTrue(vout.getChunksSame() == 0);
}

---

From source file:com.photon.phresco.framework.impl.CIManagerImpl.java

public void setMailCredential(CIJob job) {
    S_LOGGER.debug("Entering Method CIManagerImpl.setMailCredential");
    try {/*w ww .  j a  v  a  2  s .  c om*/
        InputStream credentialXml = PhrescoFrameworkFactory.getServiceManager().getMailerXml();
        SvnProcessor processor = new SvnProcessor(credentialXml);
        DataInputStream in = new DataInputStream(credentialXml);
        while (in.available() != 0) {
            System.out.println(in.readLine());
        }

        in.close();
        // Mail have to with jenkins running email address
        InetAddress ownIP = InetAddress.getLocalHost();
        processor.changeNodeValue(CI_HUDSONURL, HTTP_PROTOCOL + PROTOCOL_POSTFIX + ownIP.getHostAddress()
                + COLON + job.getJenkinsPort() + FORWARD_SLASH + CI + FORWARD_SLASH);
        processor.changeNodeValue("smtpAuthUsername", job.getSenderEmailId());
        processor.changeNodeValue("smtpAuthPassword", job.getSenderEmailPassword());
        processor.changeNodeValue("adminAddress", job.getSenderEmailId());

        //jenkins home location
        String jenkinsJobHome = System.getenv(JENKINS_HOME);
        StringBuilder builder = new StringBuilder(jenkinsJobHome);
        builder.append(File.separator);

        processor.writeStream(new File(builder.toString() + CI_MAILER_XML));
    } catch (Exception e) {
        S_LOGGER.error(
                "Entered into the catch block of CIManagerImpl.setMailCredential " + e.getLocalizedMessage());
    }
}

---

From source file:com.Candy.center.AboutCandy.java

private void bugreport() {
    try {//from w w w . j  av  a 2  s  .c  o  m
        //collect system information
        FileInputStream fstream = new FileInputStream("/system/build.prop");
        DataInputStream in = new DataInputStream(fstream);
        BufferedReader br = new BufferedReader(new InputStreamReader(in));
        String strLine;
        while ((strLine = br.readLine()) != null) {
            String[] line = strLine.split("=");
            if (line[0].equalsIgnoreCase("ro.modversion")) {
                mStrDevice = line[1];
            }
        }
        in.close();
    } catch (Exception e) {
        Toast.makeText(getView().getContext(), getString(R.string.system_prop_error), Toast.LENGTH_LONG).show();
        e.printStackTrace();
    }
    String kernel = getFormattedKernelVersion();
    //check if sdcard is available
    CandySizer sizer = new CandySizer();
    short state = sizer.sdAvailable();
    //initialize logfiles
    File extdir = Environment.getExternalStorageDirectory();
    path = new File(extdir.getAbsolutePath().replace("emulated/0", "emulated/legacy") + "/Candykat/Bugreport");
    File savefile = new File(path + "/system.log");
    File logcat = new File(path + "/logcat.log");
    File last_kmsg = new File(path + "/last_kmsg.log");
    File kmsg = new File(path + "/kmsg.log");
    File zip = new File(Environment.getExternalStorageDirectory() + "/Candykat/bugreport.zip");
    systemfile = savefile.toString();
    logfile = logcat.toString();
    last_kmsgfile = last_kmsg.toString();
    kmsgfile = kmsg.toString();
    zipfile = zip.toString();
    //cleanup old logs
    if (state == 2) {
        try {
            // create directory if it doesnt exist
            if (!path.exists()) {
                path.mkdirs();
            }
            if (savefile.exists()) {
                savefile.delete();
            }
            if (logcat.exists()) {
                logcat.delete();
            }
            if (zip.exists()) {
                zip.delete();
            }
            if (last_kmsg.exists()) {
                last_kmsg.delete();
            }
            if (kmsg.exists()) {
                kmsg.delete();
            }
            // create savefile and output lists to it
            FileWriter outstream = new FileWriter(savefile);
            BufferedWriter save = new BufferedWriter(outstream);
            save.write("Device: " + mStrDevice + '\n' + "Kernel: " + kernel);
            save.close();
            outstream.close();
            //get logcat and write to file
            getLogs("logcat -d -f " + logcat + " *:V\n");
            getLogs("cat /proc/last_kmsg > " + last_kmsgfile + "\n");
            getLogs("cat /proc/kmsg > " + kmsgfile + "\n");
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            //create zip file
            if (savefile.exists() && logcat.exists() && last_kmsg.exists() && kmsg.exists()) {
                boolean zipcreated = zip();
                if (zipcreated == true) {
                    dialog(true);
                } else {
                    dialog(false);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    } else {
        toast(getResources().getString(R.string.sizer_message_sdnowrite));
    }
}

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