Example usage for java.nio ByteBuffer getChar

Introduction

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

Prototype

public abstract char getChar();

Source Link

Document

Returns the char at the current position and increases the position by 2.

Usage

From source file:com.googlecode.mp4parser.boxes.microsoft.XtraBox.java

private static String readUtf16String(ByteBuffer content, int length) {
    char s[] = new char[(length / 2) - 1];
    for (int i = 0; i < (length / 2) - 1; i++) {
        s[i] = content.getChar();
    }/*from www  .jav  a 2 s.  c  om*/
    content.getChar(); //Discard terminating null
    return new String(s);
}

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From source file:gobblin.util.io.StreamUtilsTest.java

private void verifyBuffer(byte[] srcBytes, ByteBuffer buffer) throws IOException {
    buffer.put(srcBytes);/*from  ww  w  .  j a va  2 s  . c om*/
    buffer.flip();

    ByteArrayOutputStream bOs = new ByteArrayOutputStream();
    StreamUtils.byteBufferToOutputStream(buffer, bOs);
    Assert.assertEquals(bOs.toByteArray(), srcBytes);

    bOs = new ByteArrayOutputStream();
    buffer.rewind();

    // consume one character from the buf; make sure it is not included in the output by
    // byteBufferToOutputStream
    buffer.getChar();
    StreamUtils.byteBufferToOutputStream(buffer, bOs);
    byte[] offByTwo = bOs.toByteArray();
    Assert.assertEquals(offByTwo.length, srcBytes.length - 2);
    for (int i = 0; i < offByTwo.length; i++) {
        Assert.assertEquals(offByTwo[i], srcBytes[i + 2]);
    }
}

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From source file:org.apache.carbondata.core.util.CarbonUtil.java

public static ValueEncoderMeta deserializeEncoderMetaNew(byte[] encodeMeta) {
    ByteBuffer buffer = ByteBuffer.wrap(encodeMeta);
    char measureType = buffer.getChar();
    ValueEncoderMeta valueEncoderMeta = new ValueEncoderMeta();
    valueEncoderMeta.setType(measureType);
    switch (measureType) {
    case CarbonCommonConstants.DOUBLE_MEASURE:
        valueEncoderMeta.setMaxValue(buffer.getDouble());
        valueEncoderMeta.setMinValue(buffer.getDouble());
        valueEncoderMeta.setUniqueValue(buffer.getDouble());
        break;//from   w  w  w  .  j a v a2 s  . co m
    case CarbonCommonConstants.BIG_DECIMAL_MEASURE:
        valueEncoderMeta.setMaxValue(0.0);
        valueEncoderMeta.setMinValue(0.0);
        valueEncoderMeta.setUniqueValue(0.0);
        break;
    case CarbonCommonConstants.BIG_INT_MEASURE:
        valueEncoderMeta.setMaxValue(buffer.getLong());
        valueEncoderMeta.setMinValue(buffer.getLong());
        valueEncoderMeta.setUniqueValue(buffer.getLong());
        break;
    default:
        throw new IllegalArgumentException("invalid measure type");
    }
    valueEncoderMeta.setDecimal(buffer.getInt());
    valueEncoderMeta.setDataTypeSelected(buffer.get());
    return valueEncoderMeta;
}

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From source file:com.l2jfree.network.mmocore.ReadWriteThread.java

private boolean tryReadPacket2(T con, ByteBuffer buf) {
    // check if header could be processed
    if (buf.remaining() >= 2) {
        // parse all headers and get expected packet size
        final int size = (buf.getChar() - PACKET_HEADER_SIZE);

        // do we got enough bytes for the packet?
        if (size <= buf.remaining()) {
            // avoid parsing dummy packets (packets without body)
            if (size > 0) {
                int pos = buf.position();
                parseClientPacket(buf, size, con);
                buf.position(pos + size);
            } else {
                // let's report error to trigger protection
                getMMOController().report(ErrorMode.EMPTY_PACKET, con, null, null);
            }// w w w. j  av a  2 s  .  com

            return true;
        } else {
            // we dont have enough bytes for the packet so we need to read and revert the header
            buf.position(buf.position() - PACKET_HEADER_SIZE);
            return false;
        }
    } else {
        // we dont have enough data for header so we need to read
        return false;
    }
}

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From source file:de.rwhq.btree.LeafNode.java

@Override
public void load() {
    final ByteBuffer buf = rawPage().bufferForReading(0);
    if (buf.getChar() != NODE_TYPE.serialize())
        throw new IllegalStateException("The RawPage " + rawPage.id() + " doesnt have the Leaf Node Type");

    numberOfEntries = rawPage().bufferForReading(Header.NUMBER_OF_KEYS.getOffset()).getInt();
    valid = true;/*from  w ww .  j a va2 s.co  m*/
}

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From source file:de.rwhq.btree.InnerNode.java

@Override
public void load() throws IOException {
    final ByteBuffer buf = rawPage.bufferForReading(0);
    if (NodeType.deserialize(buf.getChar()) != NODE_TYPE)
        throw new IOException(
                "You are trying to load a InnerNode from a byte array, that does not contain an InnerNode");

    buf.position(Header.NUMBER_OF_KEYS.getOffset());
    numberOfKeys = buf.getInt();//from  w ww. j  a  v a2 s.  c  om
    valid = true;
}

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