Java ByteBuffer to Int getUnsignedInt(ByteBuffer buffer)

Description

Read an unsigned integer from the current position in the buffer, incrementing the position by 4 bytes

License

Apache License

Parameter

Parameter	Description
buffer	The buffer to read from

Return

The integer read, as a long to avoid signedness

Declaration

public static long getUnsignedInt(ByteBuffer buffer) 

Method Source Code

//package com.java2s;
/**//from w ww  .  j  a v  a 2  s.com
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 {
    /**
     * Read an unsigned integer from the current position in the buffer,
     * incrementing the position by 4 bytes
     *
     * @param buffer The buffer to read from
     * @return The integer read, as a long to avoid signedness
     */
    public static long getUnsignedInt(ByteBuffer buffer) {
        return buffer.getInt() & 0xffffffffL;
    }

    /**
     * Read an unsigned integer from the given position without modifying
     * the buffers position
     *
     * @param buffer The buffer to read from
     * @param index  the index from which to read the integer
     * @return The integer read, as a long to avoid signedness
     */
    public static long getUnsignedInt(ByteBuffer buffer, int index) {
        return buffer.getInt(index) & 0xffffffffL;
    }
}

Related

1. getUnsignedByte(ByteBuffer bb)
2. getUnsignedByte(ByteBuffer buffer)
3. getUnsignedInt(ByteBuffer bb)
4. getUnsignedInt(ByteBuffer buffer)
5. getUnsignedInt(ByteBuffer buffer)
6. getUnsignedInt16LSBMSB(ByteBuffer byteBuffer)
7. getUnsignedLong(ByteBuffer buf)