Example usage for java.nio ByteBuffer wrap

Introduction

In this page you can find the example usage for java.nio ByteBuffer wrap.

Prototype

public static ByteBuffer wrap(byte[] array) 

Source Link

Document

Creates a new byte buffer by wrapping the given byte array.

Usage

From source file:gov.nist.appvet.toolmgr.ToolServiceAdapter.java

public static String getHtmlReportString(String reportPath, AppInfo appInfo) {
    byte[] encoded = null;
    try {//from  ww w.j  a v a2s .c  om
        encoded = Files.readAllBytes(Paths.get(reportPath));
        return Charset.defaultCharset().decode(ByteBuffer.wrap(encoded)).toString();
    } catch (final IOException e) {
        appInfo.log.error(e.getMessage());
        return null;
    } finally {
        encoded = null;
    }
}

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From source file:edu.umn.cs.spatialHadoop.core.OGCShape.java

@Override
public void readFields(DataInput in) throws IOException {
    int size = in.readInt();
    byte[] bytes = new byte[size];
    in.readFully(bytes);/*from w ww  . j av a  2s  . c  o  m*/
    geom = OGCGeometry.fromBinary(ByteBuffer.wrap(bytes));
    size = in.readInt();
    if (size == -1) {
        extra = null;
    } else {
        bytes = new byte[size];
        in.readFully(bytes);
        extra = new String(bytes);
    }
}

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From source file:com.ebay.jetstream.application.dataflows.VisualDataFlow.java

public ByteBuffer getAsByteArray(URL url) throws IOException {
    URLConnection connection = url.openConnection();
    InputStream in = connection.getInputStream();
    int contentLength = connection.getContentLength();
    ByteArrayOutputStream tmpOut;

    if (contentLength != -1) {
        tmpOut = new ByteArrayOutputStream(contentLength);
    } else {/*w  ww.  ja v  a 2 s .c  om*/
        tmpOut = new ByteArrayOutputStream(16384);
    }

    byte[] buf = new byte[BUF];
    while (true) {
        int len = in.read(buf);
        if (len == -1) {
            break;
        }
        tmpOut.write(buf, 0, len);
    }
    in.close();
    tmpOut.close();
    byte[] array = tmpOut.toByteArray();
    return ByteBuffer.wrap(array);
}

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From source file:com.almende.eve.transport.ws.WsServerTransport.java

@Override
public void send(final URI receiverUri, final byte[] message, final String tag) throws IOException {
    if (remotes.containsKey(receiverUri)) {
        final Async remote = remotes.get(receiverUri);
        remote.sendBinary(ByteBuffer.wrap(message));
        remote.flushBatch();/*  ww  w  .j a  v a 2 s . co  m*/
    } else {
        throw new IOException("Remote: " + receiverUri.toASCIIString() + " is currently not connected.");
    }
}

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From source file:ffx.xray.CCP4MapFilter.java

/**
 * {@inheritDoc}//from   w w  w.  j a  v  a  2s. c o  m
 */
@Override
public Crystal getCrystal(String filename, CompositeConfiguration properties) {
    int imapdata;
    int sg = -1;
    double cella = -1.0;
    double cellb = -1.0;
    double cellc = -1.0;
    double cellalpha = -1.0;
    double cellbeta = -1.0;
    double cellgamma = -1.0;

    ByteOrder b = ByteOrder.nativeOrder();

    FileInputStream fis;
    DataInputStream dis;

    // first determine byte order of file versus system
    try {
        fis = new FileInputStream(filename);
        dis = new DataInputStream(fis);

        dis.skipBytes(212);
        byte bytes[] = new byte[4];
        dis.read(bytes, 0, 4);
        ByteBuffer bb = ByteBuffer.wrap(bytes);

        imapdata = bb.order(ByteOrder.BIG_ENDIAN).getInt();
        String stampstr = Integer.toHexString(imapdata);
        // System.out.println("stamp: " + stampstr);
        switch (stampstr.charAt(0)) {
        case '1':
        case '3':
            if (b.equals(ByteOrder.LITTLE_ENDIAN)) {
                b = ByteOrder.BIG_ENDIAN;
            }
            break;
        case '4':
            if (b.equals(ByteOrder.BIG_ENDIAN)) {
                b = ByteOrder.LITTLE_ENDIAN;
            }
            break;
        }
        fis.close();
    } catch (Exception e) {
        String message = "Fatal exception reading CCP4 map.\n";
        logger.log(Level.SEVERE, message, e);
        System.exit(-1);
    }

    try {
        fis = new FileInputStream(filename);
        dis = new DataInputStream(fis);

        dis.skipBytes(40);
        byte bytes[] = new byte[80];
        dis.read(bytes, 0, 80);
        ByteBuffer bb = ByteBuffer.wrap(bytes);

        cella = bb.order(b).getFloat();
        cellb = bb.order(b).getFloat();
        cellc = bb.order(b).getFloat();
        cellalpha = bb.order(b).getFloat();
        cellbeta = bb.order(b).getFloat();
        cellgamma = bb.order(b).getFloat();

        for (int i = 0; i < 3; i++) {
            bb.order(b).getInt();
        }
        for (int i = 0; i < 3; i++) {
            bb.order(b).getFloat();
        }

        sg = bb.order(b).getInt();
        fis.close();
    } catch (Exception e) {
        String message = "Fatal exception reading CCP4 map.\n";
        logger.log(Level.SEVERE, message, e);
        System.exit(-1);
    }

    return new Crystal(cella, cellb, cellc, cellalpha, cellbeta, cellgamma, SpaceGroup.spaceGroupNames[sg - 1]);
}

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From source file:de.nx42.maps4cim.map.texture.osm.OsmHash.java

protected static Area parseLocationHash(String locationHash) throws IOException {
    byte[] base64decode = Base64.decodeBase64(locationHash);
    ByteBuffer byteBuf = ByteBuffer.wrap(base64decode);
    final BitInput bitIn = BitInput.newInstance(byteBuf);

    double minLat = restoreCoordinate(bitIn);
    double maxLat = restoreCoordinate(bitIn);
    double minLon = restoreCoordinate(bitIn);
    double maxLon = restoreCoordinate(bitIn);

    return new Area(minLat, minLon, maxLat, maxLon);
}

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From source file:edu.umass.cs.gigapaxos.paxospackets.AcceptPacket.java

@Override
public synchronized byte[] toBytes() {
    long t = System.nanoTime();
    if (!(PaxosPacket.BYTEIFICATION && IntegerMap.allInt()))
        return super.toBytes();

    if (this.getByteifiedSelf() != null)
        return this.getByteifiedSelf();

    // else construct
    byte[] buf = super.toBytes(false);
    byte[] bytes = new byte[buf.length
            // ProposalPacket.slot
            + SIZEOF_PROPOSAL//from   www .  ja va  2  s . c  o m
            // PValuePacket:ballot, recovery, medianCheckpointedSlot,
            // noCoalesce
            + SIZEOF_PVALUE
            // AcceptPacket.sender
            + SIZEOF_ACCEPT];
    ByteBuffer bbuf = ByteBuffer.wrap(bytes);

    // request
    bbuf.put(buf);
    // proposal
    bbuf.putInt(this.slot)
            // pvalue
            .putInt(this.ballot.ballotNumber).putInt(this.ballot.coordinatorID)
            .put(this.isRecovery() ? (byte) 1 : 0).putInt(this.getMedianCheckpointedSlot()).put((byte) 0)
            // accept
            .putInt(this.sender);

    assert (bbuf.remaining() == 0); // exact alignment

    this.setByteifiedSelf(bytes);

    if (PaxosMessenger.INSTRUMENT_SERIALIZATION && Util.oneIn(100))
        DelayProfiler.updateDelayNano("accept->", t, this.batchSize() + 1);

    return bytes;
}

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From source file:com.amazonaws.services.dynamodbv2.streamsadapter.model.RecordAdapter.java

/**
 * This method returns JSON serialized {@link Record} object. However, This is not the best to use the object
 * It is recommended to get an object using {@link #getInternalObject()} and cast appropriately.
 *
 * @return JSON serialization of {@link Record} object. JSON contains only non-null
 * fields of {@link com.amazonaws.services.dynamodbv2.model.Record}. It returns null if serialization fails.
 *//*from  w  ww .  ja  v a2  s  .  c  o m*/
@Override
public ByteBuffer getData() {
    if (data == null) {
        if (generateDataBytes) {
            try {
                data = ByteBuffer.wrap(MAPPER.writeValueAsString(internalRecord).getBytes(defaultCharset));
            } catch (JsonProcessingException e) {
                final String errorMessage = "Failed to serialize stream record to JSON";
                LOG.error(errorMessage, e);
                throw new RuntimeException(errorMessage, e);
            }
        } else {
            data = ByteBuffer.wrap(new byte[0]);
        }
    }
    return data;
}

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From source file:net.iponweb.hadoop.streaming.avro.IOWJsonDecoder.java

@Override
public ByteBuffer readBytes(ByteBuffer old) throws IOException {
    advance(Symbol.BYTES);//from   w w w  .  j  a v  a 2 s.  c  o m
    if (in.getCurrentToken() == JsonToken.VALUE_STRING) {
        byte[] result = readByteArray();
        in.nextToken();
        return ByteBuffer.wrap(result);
    } else {
        throw error("bytes");
    }
}

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From source file:com.spectralogic.ds3client.helpers.FileObjectGetter_Test.java

@Test
public void testThatSymbolicLinksAreResolved() {
    Assume.assumeFalse(Platform.isWindows());
    final String message = "Hello World";
    final String file = "file.txt";
    try {//  www  . j a v  a 2  s .  c o m
        final Path tempDirectory = Files.createTempDirectory(Paths.get(System.getProperty("java.io.tmpdir")),
                "ds3");
        final Path realDirectory = Files.createDirectory(Paths.get(tempDirectory.toString(), "dir"));
        final Path symbolicDirectory = Paths.get(tempDirectory.toString(), "symbolic");
        Files.createSymbolicLink(symbolicDirectory, realDirectory);
        Files.createFile(Paths.get(realDirectory.toString(), file));
        final ByteBuffer bb = ByteBuffer.wrap(message.getBytes());

        final SeekableByteChannel getterChannel = new FileObjectGetter(symbolicDirectory).buildChannel(file);
        getterChannel.write(bb);
        getterChannel.close();
        final String content = new String(Files.readAllBytes(Paths.get(realDirectory.toString(), file)));
        assertTrue(message.equals(content));
    } catch (final IOException e) {
        fail("Symbolic links are not handled correctly");
    }
}

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