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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.sun.xml.internal.stream.util;
import java.lang.ref.*;
/**
* This is a Singleton class that allows you to allocate buffer that
* are stored in ThreadLocal. This class stores 3 types of char
* buffers - small (< 128 bytes), medium (<2K) and large (> 2K) as
* well as three byte buffers - small, medium and large.
* The local storage is activated on the return of the buffer.
* The buffer returns null if it is already allocated.
*
* @author Binu John
* @author Santiago PericasGeertsen
*/
public class ThreadLocalBufferAllocator {
private static final ThreadLocal<SoftReference<BufferAllocator>> TL = new ThreadLocal<>();
public static BufferAllocator getBufferAllocator() {
BufferAllocator ba = null;
SoftReference<BufferAllocator> sr = TL.get();
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