Example usage for java.io DataInputStream DataInputStream

Introduction

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

Prototype

public DataInputStream(InputStream in) 

Source Link

Document

Creates a DataInputStream that uses the specified underlying InputStream.

Usage

From source file:cn.xiongyihui.wificar.MjpegStream.java

public void run() {
    URI uri = URI.create(mUrl);
    DefaultHttpClient httpClient = new DefaultHttpClient();

    HttpResponse httpResponse = null;/*from w  ww.j  a  v a  2  s.c o  m*/
    try {
        httpResponse = httpClient.execute(new HttpGet(uri));
    } catch (IOException e) {
        Log.v(TAG, e.getMessage());

        return;
    }

    HttpEntity httpEntity = httpResponse.getEntity();
    String contentType = httpEntity.getContentType().getValue();
    if (!contentType.startsWith(CONTENT_TYPE_PREFIX)) {
        Log.v(TAG, "Content-Type: " + contentType);
        Log.v(TAG, mUrl + " is not MJPEG format");

        return;
    }

    mBoundary = contentType.substring(CONTENT_TYPE_PREFIX.length());

    BufferedInputStream in = null;
    try {
        in = new BufferedInputStream(httpEntity.getContent(), FRAME_MAX_LENGTH);
    } catch (IOException e) {
        Log.v(TAG, e.getMessage());

        return;
    }

    DataInputStream mjpeg = new DataInputStream(in);

    while (mRun) {
        Bitmap bitmap = null;

        try {
            bitmap = readFrame(mjpeg);
        } catch (IOException e) {
            Log.v(TAG, e.getMessage());

            break;
        }

        if (onFrameReadCallback != null) {
            onFrameReadCallback.onFrameRead(bitmap);
        }
    }

    try {
        mjpeg.close();
    } catch (IOException e) {
        Log.v(TAG, e.getMessage());
    }
}

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From source file:edu.umn.cs.spatialHadoop.mapreduce.RTreeRecordReader3.java

public void initialize(InputSplit split, Configuration conf) throws IOException, InterruptedException {
    LOG.info("Open a SpatialRecordReader to split: " + split);
    FileSplit fsplit = (FileSplit) split;
    this.path = fsplit.getPath();
    this.start = fsplit.getStart();
    this.end = this.start + split.getLength();
    this.fs = this.path.getFileSystem(conf);
    this.directIn = fs.open(this.path);
    codec = new CompressionCodecFactory(conf).getCodec(this.path);

    if (codec != null) {
        // Input is compressed, create a decompressor to decompress it
        decompressor = CodecPool.getDecompressor(codec);
        if (codec instanceof SplittableCompressionCodec) {
            // A splittable compression codec, can seek to the desired input pos
            final SplitCompressionInputStream cIn = ((SplittableCompressionCodec) codec).createInputStream(
                    directIn, decompressor, start, end, SplittableCompressionCodec.READ_MODE.BYBLOCK);
            in = new DataInputStream(cIn);
            start = cIn.getAdjustedStart();
            end = cIn.getAdjustedEnd();/* w ww  .  j  av a 2 s .  c o  m*/
            // take pos from compressed stream as we adjusted both start and end
            // to match with the compressed file
            filePosition = cIn;
        } else {
            // Non-splittable input, need to start from the beginning
            CompressionInputStream cIn = codec.createInputStream(directIn, decompressor);
            in = new DataInputStream(cIn);
            filePosition = cIn;
        }
    } else {
        // Non-compressed file, seek to the desired position and use this stream
        // to get the progress and position
        directIn.seek(start);
        in = directIn;
        filePosition = directIn;
    }
    byte[] signature = new byte[8];
    in.readFully(signature);
    if (!Arrays.equals(signature, SpatialSite.RTreeFileMarkerB)) {
        throw new RuntimeException("Incorrect signature for RTree");
    }
    this.stockShape = (V) OperationsParams.getShape(conf, "shape");

    if (conf.get(SpatialInputFormat3.InputQueryRange) != null) {
        // Retrieve the input query range to apply on all records
        this.inputQueryRange = OperationsParams.getShape(conf, SpatialInputFormat3.InputQueryRange);
        this.inputQueryMBR = this.inputQueryRange.getMBR();
    }

    // Check if there is an associated global index to read cell boundaries
    GlobalIndex<Partition> gindex = SpatialSite.getGlobalIndex(fs, path.getParent());
    if (gindex == null) {
        cellMBR = new Partition();
        cellMBR.invalidate();
    } else {
        // Set from the associated partition in the global index
        for (Partition p : gindex) {
            if (p.filename.equals(this.path.getName()))
                cellMBR = p;
        }
    }
}

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From source file:com.cloudera.impala.security.DelegationTokenSecretManager.java

public DelegationTokenIdentifier tokenIdentifierFromTokenString(String tokenStr) throws IOException {
    Token<DelegationTokenIdentifier> token = tokenFromString(tokenStr);
    DelegationTokenIdentifier d = new DelegationTokenIdentifier();
    d.readFields(new DataInputStream(new ByteArrayInputStream(token.getIdentifier())));
    return d;//  w  ww .  java 2 s. c om
}

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From source file:gobblin.runtime.mapreduce.GobblinWorkUnitsInputFormatTest.java

@Test
public void testSplit() throws Exception {
    List<String> paths = Lists.newArrayList("/path1", "/path2");
    GobblinWorkUnitsInputFormat.GobblinSplit split = new GobblinWorkUnitsInputFormat.GobblinSplit(paths);

    ByteArrayOutputStream os = new ByteArrayOutputStream();
    split.write(new DataOutputStream(os));

    ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray());
    GobblinWorkUnitsInputFormat.GobblinSplit deserSplit = new GobblinWorkUnitsInputFormat.GobblinSplit();
    deserSplit.readFields(new DataInputStream(is));

    Assert.assertEquals(split, deserSplit);
}

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From source file:dbseer.old.middleware.MiddlewareSocket.java

public synchronized boolean connect(String ip, int port) throws IOException {
    this.ip = ip;
    this.port = port;
    socket = new Socket();
    InetSocketAddress address = new InetSocketAddress(ip, port);
    try {/*from w  w w .  j a v a  2s.com*/
        socket.connect(address, MIDDLEWARE_CONNECT_TIMEOUT);
        socket.setSoTimeout(MIDDLEWARE_SOCKET_TIMEOUT);
        input = new DataInputStream(socket.getInputStream());
        output = new DataOutputStream(new BufferedOutputStream(socket.getOutputStream()));
        isConnected = true;
    } catch (Exception e) {
        DBSeerExceptionHandler.handleException(e);
        return false;
    }
    return true;
}

---

From source file:com.android.unit_tests.CheckinProviderTest.java

@MediumTest
public void testCrashReport() throws Exception {
    long start = System.currentTimeMillis();
    ContentResolver r = getContext().getContentResolver();

    // Log a test (fake) crash report.
    Checkin.reportCrash(r, new CrashData("Test", "Test Activity", new BuildData("Test Build", "123", start),
            new ThrowableData(new RuntimeException("Test Exception"))));

    // Crashes aren't indexed; go through them all to find the one we added.
    Cursor c = r.query(Checkin.Crashes.CONTENT_URI, null, null, null, null);

    Uri uri = null;//from ww  w  . j  av a2 s  .  c o m
    while (c.moveToNext()) {
        String coded = c.getString(c.getColumnIndex(Checkin.Crashes.DATA));
        byte[] bytes = Base64.decodeBase64(coded.getBytes());
        CrashData crash = new CrashData(new DataInputStream(new ByteArrayInputStream(bytes)));

        // Should be exactly one recently added "Test" crash.
        if (crash.getId().equals("Test") && crash.getTime() > start) {
            assertEquals("Test Activity", crash.getActivity());
            assertEquals("Test Build", crash.getBuildData().getFingerprint());
            assertEquals("Test Exception", crash.getThrowableData().getMessage());

            assertNull(uri);
            uri = ContentUris.withAppendedId(Checkin.Crashes.CONTENT_URI,
                    c.getInt(c.getColumnIndex(Checkin.Crashes._ID)));
        }
    }
    assertNotNull(uri);
    c.close();

    // Update the "logs" column.
    ContentValues values = new ContentValues();
    values.put(Checkin.Crashes.LOGS, "Test Logs");
    assertEquals(1, r.update(uri, values, null, null));

    c = r.query(uri, null, null, null, null);
    assertTrue(c.moveToNext());
    String logs = c.getString(c.getColumnIndex(Checkin.Crashes.LOGS));
    assertEquals("Test Logs", logs);
    c.deleteRow();
    c.close();

    c.requery();
    assertFalse(c.moveToNext());
    c.close();
}

---

From source file:XmlUtils.java

public static Document parse(URL url) throws DocumentException, IOException {
    URLConnection urlConnection;/*from  w  w w .java 2  s . com*/
    DataInputStream inStream;
    urlConnection = url.openConnection();
    ((HttpURLConnection) urlConnection).setRequestMethod("GET");

    urlConnection.setDoInput(true);
    urlConnection.setDoOutput(false);
    urlConnection.setUseCaches(false);
    inStream = new DataInputStream(urlConnection.getInputStream());

    byte[] bytes = new byte[1024];
    int read;
    StringBuilder builder = new StringBuilder();
    while ((read = inStream.read(bytes)) >= 0) {
        String readed = new String(bytes, 0, read, "UTF-8");
        builder.append(readed);
    }
    SAXReader reader = new SAXReader();

    XmlUtils.createIgnoreErrorHandler(reader);
    //        InputSource inputSource = new InputSource(new InputStreamReader(inStream, "UTF-8"));
    //        inputSource.setEncoding("UTF-8");
    Document dom = reader.read(new StringReader(builder.toString()));
    inStream.close();
    //        new InputStreamReader(Thread.currentThread().getContextClassLoader().getResourceAsStream("retrieval.xml"), "UTF-8")
    return dom;
}

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From source file:m3.classe.M3ClassLoader.java

private DataInputStream getStreamFromJar(String name, File path) throws MAKException {
    if (!this.m_zipProblems.contains(path)) {
        try {/*  w  ww.j a va  2 s . com*/
            DataInputStream dis = null;
            ZipFile file = new ZipFile(path);
            ZipEntry entry = file.getEntry(name.replace('.', '/') + '.' + "class");
            if (entry == null) {
                entry = file.getEntry(name.replace('.', '/') + '.' + "properties");
            }
            if (entry != null)
                ;
            return new DataInputStream(file.getInputStream(entry));
        } catch (IOException e) {
            Ressource.logger.warn("Failed to get " + name + " from jar " + path
                    + " - MAK will try again using another method", e);
            this.m_zipProblems.add(path);
        }
    }
    return getStreamFromJar2(name, path);
}

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From source file:com.hernandez.rey.crypto.TripleDES.java

/**
 * Read a TripleDES secret key from the specified file
 * /*from   w w  w. j a va  2  s  .  co  m*/
 * @param keyFile key file to read
 * @return secret key appropriate for encryption/decryption with 3DES
 * @throws IOException
 * @throws NoSuchAlgorithmException
 * @throws InvalidKeyException
 * @throws InvalidKeySpecException
 */
public static SecretKey readKey(final File keyFile)
        throws IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidKeySpecException {
    // Read the raw bytes from the keyfile
    final DataInputStream in = new DataInputStream(new FileInputStream(keyFile));
    final byte[] rawkey = new byte[(int) keyFile.length()];
    in.readFully(rawkey);
    in.close();

    // Convert the raw bytes to a secret key like this
    final DESedeKeySpec keyspec = new DESedeKeySpec(rawkey);
    final SecretKeyFactory keyfactory = SecretKeyFactory.getInstance("DESede");
    final SecretKey key = keyfactory.generateSecret(keyspec);
    return key;
}

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