BufferFilter.java

/*
 * Copyright (C) 2012 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed 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.jboss.errai.bus.server.io.buffers;

import java.io.IOException;

import org.jboss.errai.bus.server.io.ByteWriteAdapter;

/**
 * A buffer filter is used for manipulating the data in the buffer as it is read from the buffer, before it's
 * written into the transport layer.
 *
 * @author Mike Brock
 */
public interface BufferFilter {
  public void before(ByteWriteAdapter writer) throws IOException;
  public int each (int i, ByteWriteAdapter writer) throws IOException;
  public void after(ByteWriteAdapter writer) throws IOException;
}