Destroy the given ByteBuffer if possible - Java java.nio

Java examples for java.nio:ByteBuffer

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Description

Destroy the given ByteBuffer if possible

Demo Code

/*/*from w  ww .  j  a va2 s  . co m*/
 * Copyright 2012 The Netty Project
 *
 * The Netty Project 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.lang.reflect.Method;
import java.nio.ByteBuffer;

public class Main{
    private static final boolean CLEAN_SUPPORTED;
    private static final Method directBufferCleaner;
    private static final Method directBufferCleanerClean;
    /**
     * Destroy the given {@link ByteBuffer} if possible
     */
    public static void destroy(ByteBuffer buffer) {
        if (CLEAN_SUPPORTED && buffer.isDirect()) {
            try {
                Object cleaner = directBufferCleaner.invoke(buffer);
                directBufferCleanerClean.invoke(cleaner);
            } catch (Exception e) {
                // silently ignore exception
            }
        }
    }
}

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