Java ByteBuffer to Long Array getLongFromByteBuffer(ByteBuffer data)

Description

long from ByteBuffer

License

Apache License

Parameter

Parameter	Description
data	a parameter

Exception

Parameter	Description
IOException	an exception

Declaration

public static Long getLongFromByteBuffer(ByteBuffer data) throws IOException 

Method Source Code

//package com.java2s;
/*/*w  w  w  .  j a v  a  2 s  .c  o m*/
 * Agiato: A simple no frill Cassandra API
 * Author: Pranab Ghosh
 * 
 * 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.io.ByteArrayInputStream;

import java.io.DataInputStream;

import java.io.IOException;
import java.nio.ByteBuffer;

public class Main {
    /**
     * long from ByteBuffer
     * @param data
     * @return
     * @throws IOException
     */
    public static Long getLongFromByteBuffer(ByteBuffer data) throws IOException {
        return getLongFromBytes(data.array());
    }

    /**
     * long from  byte array
     * @param data
     * @return
     * @throws IOException
     */
    public static Long getLongFromBytes(byte[] data) throws IOException {
        ByteArrayInputStream bis = new ByteArrayInputStream(data);
        DataInputStream dis = new DataInputStream(bis);
        Long value = dis.readLong();
        return value;
    }
}

Related

1. getLong(ByteBuffer longCalculator, byte[] bytes)
2. getLongB(ByteBuffer bb, int index)
3. getLongBE(ByteBuffer b, int start, int end)
4. getLongByteBuffer(long id)
5. getLongFromBuffer(ByteBuffer buffer, int offset, int size)
6. getLongLE(final ByteBuffer b, final int start, final int end)
7. getLongWithChecksum(ByteBuffer buffer, Adler32 checksum)