Java ByteBuffer Set find(ByteBuffer buffer, int offset, byte searchKey)

Description

find

License

Apache License

Declaration

public static int find(ByteBuffer buffer, int offset, byte searchKey) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.nio.ByteBuffer;

public class Main {
    public static int find(ByteBuffer buffer, int offset, byte searchKey) {
        for (int i = buffer.position() + offset; i < buffer.limit(); i++) {
            byte nextByte = buffer.get(i);
            if (nextByte == searchKey) {
                return i;
            }/*w w  w.  j a va 2  s.  co m*/
        }
        return -1;
    }

    public static int find(ByteBuffer buffer, int offset, byte[] searchKey) {
        int searchIndex = 0;
        for (int i = buffer.position() + offset; i < buffer.limit() - searchKey.length; i++) {
            byte nextByte = buffer.get(i);
            if (nextByte != searchKey[searchIndex]) {
                searchIndex = 0;
            } else {
                searchIndex++;
                if (searchIndex == searchKey.length) {
                    return i + 1 - searchKey.length;
                }
            }
        }
        return -1;
    }
}

Related

1. byteIndexOf(ByteBuffer buffer, byte[] temp, int offset)
2. c_memset(ByteBuffer b, int c_, int size)
3. charSequence2ByteBuffer(CharSequence cs, Charset charset)
4. charstoUTF8Bytes(char[] srcBuf, int srcOffset, int srcLength, ByteBuffer dest, int destOffset)
5. equals(final ByteBuffer keyValue, final int offset, final int keyLen, final byte[] otherKey)
6. findCommonPrefix(ByteBuffer buffer, int offsetLeft, int offsetRight, int limit)
7. from(ByteBuffer buffer, int offset)
8. fromListToSetByteArray(List list)
9. get(ByteBuffer srcBuffer, byte[] dstBytes, int dstOffset, int length)