/*
 *  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.
 */
package org.apache.tomcat.jni;

import java.nio.ByteBuffer;

/**
 * Provides utilities related to the use of directly allocated {@link ByteBuffer} instances with native code.
 */
public class Buffer {

    /** Utility class - do not instantiate. */
    private Buffer() { }

    /**
     * Returns the memory address of the ByteBuffer.
     *
     * @param buf Previously allocated ByteBuffer.
     *
     * @return the memory address
     */
    public static native long address(ByteBuffer buf);
}