Example usage for io.netty.util.internal PlatformDependent getByte

Introduction

In this page you can find the example usage for io.netty.util.internal PlatformDependent getByte.

Prototype

public static byte getByte(byte[] data, int index) 

Source Link

Usage

From source file:org.apache.activemq.artemis.utils.AbstractByteBufPool.java

License:Apache License

private static int onHeapHashCode(final byte[] bytes, final int offset, final int length) {
    final int intCount = length >>> 1;
    final int byteCount = length & 1;
    int hashCode = 1;
    int arrayIndex = offset;
    for (int i = 0; i < intCount; i++) {
        hashCode = 31 * hashCode + PlatformDependent.getShort(bytes, arrayIndex);
        arrayIndex += 2;/*www.  j  a  va  2 s.co  m*/
    }
    for (int i = 0; i < byteCount; i++) {
        hashCode = 31 * hashCode + PlatformDependent.getByte(bytes, arrayIndex++);
    }
    return hashCode;
}

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From source file:org.apache.activemq.artemis.utils.UTF8Util.java

License:Apache License

private static String unsafeOnHeapReadUTF(final byte[] bytes, final int index, final char[] chars,
        final int size) {
    int count = index;
    final int limit = index + size;
    int byte1, byte2, byte3;
    int charCount = 0;

    while (count < limit) {
        byte1 = PlatformDependent.getByte(bytes, count++);

        if (byte1 >= 0 && byte1 <= 0x7F) {
            chars[charCount++] = (char) byte1;
        } else {//  www  .j  ava2 s  .  c  o m
            int c = byte1 & 0xff;
            switch (c >> 4) {
            case 0xc:
            case 0xd:
                byte2 = PlatformDependent.getByte(bytes, count++);
                chars[charCount++] = (char) ((c & 0x1F) << 6 | byte2 & 0x3F);
                break;
            case 0xe:
                byte2 = PlatformDependent.getByte(bytes, count++);
                byte3 = PlatformDependent.getByte(bytes, count++);
                chars[charCount++] = (char) ((c & 0x0F) << 12 | (byte2 & 0x3F) << 6 | (byte3 & 0x3F) << 0);
                break;
            default:
                throw new InternalError("unhandled utf8 byte " + c);
            }
        }
    }

    return new String(chars, 0, charCount);
}

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