Java ByteBuffer Write writeVarLong(long value, ByteBuffer buf)

Description

write Var Long

License

Apache License

Declaration

public static void writeVarLong(long value, ByteBuffer buf) 

Method Source Code

//package com.java2s;
/*/* w  w  w .j a v  a2 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;
import java.util.Arrays;

public class Main {
    public static byte[] writeVarLong(long value) {
        byte[] arr = new byte[12];
        ByteBuffer buf = ByteBuffer.wrap(arr);
        writeVarLong(value, buf);
        return Arrays.copyOf(arr, buf.position());
    }

    public static void writeVarLong(long value, ByteBuffer buf) {
        while ((value & 0xFFFFFFFFFFFFFF80L) != 0L) {
            buf.put((byte) ((value & 0x7F) | 0x80));
            value >>>= 7;
        }
        buf.put((byte) (value & 0x7F));
    }
}

Related

1. writeV(ByteBuffer byteBuffer, List vint)
2. writeVarint(int value, ByteBuffer buffer)
3. writeVarLong(ByteBuffer buff, long x)
4. writeVarLong(ByteBuffer buff, long x)
5. writeVarLong(long n, ByteBuffer buff)
6. writeVInt(ByteBuffer bb, int i)
7. writeWithLength(ByteBuffer buffer, byte[] src)
8. writeXid(ByteBuffer logBuf, Xid xid)