Java ByteBuffer to Int getUnsignedShort(ByteBuffer bb)

Description

get Unsigned Short

License

Apache License

Declaration

public static final int getUnsignedShort(ByteBuffer bb) 

Method Source Code

//package com.java2s;
/*/* w  w w .  j  a  v  a2 s.  com*/
 * Copyright 2015 bladesilent@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

import java.nio.ByteBuffer;

public class Main {
    /**
     * Get a unsigned short from byte buffer an put the value in a int
     * 
     * @param buf
     * @param off
     * @return
     */
    public static final int getUnsignedShort(byte[] buf, int off) {
        if (buf.length - off >= 2) {
            return ((0x0FF & buf[off]) << 8) + (0x0FF & buf[off + 1]);
        } else {
            throw new IndexOutOfBoundsException();
        }
    }

    public static final int getUnsignedShort(byte[] buf) {
        return getUnsignedShort(buf, 0);
    }

    public static final int getUnsignedShort(ByteBuffer bb) {
        if (bb.remaining() >= 2) {
            return ((0x0FF & bb.get()) << 8) + (0x0FF & bb.get());
        } else {
            throw new IndexOutOfBoundsException();
        }
    }
}

Related

1. getUnsignedInt(ByteBuffer buffer)
2. getUnsignedInt16LSBMSB(ByteBuffer byteBuffer)
3. getUnsignedLong(ByteBuffer buf)
4. getUnsignedLong(final ByteBuffer src)
5. getUnsignedShort(ByteBuffer bb)
6. getUnsignedShort(ByteBuffer bb)
7. getUnsignedShort(ByteBuffer buf)
8. getUnsignedShort(ByteBuffer buffer)
9. getUnsignedShort(ByteBuffer buffer, int offset)