/*
* 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.util.net;
import java.nio.ByteBuffer;
/**
* Callback interface to be able to expand buffers when buffer overflow exceptions happen or to replace buffers
*/
public interface ApplicationBufferHandler {
ByteBuffer EMPTY_BUFFER = ByteBuffer.allocate(0);
ApplicationBufferHandler EMPTY = new ApplicationBufferHandler() {
@Override
public void expand(int newSize) {
}
@Override
public void setByteBuffer(ByteBuffer buffer) {
}
@Override
public ByteBuffer getByteBuffer() {
return EMPTY_BUFFER;
}
};
/**
* Set the byte buffer.
*
* @param buffer the byte buffer
*/
void setByteBuffer(ByteBuffer buffer);
/**
* @return the byte buffer
*/
ByteBuffer getByteBuffer();
/**
* Expand the byte buffer to at least the given size. Some implementations may not implement this.
*
* @param size the desired size
*/
void expand(int size);
}