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 /*
  *  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.coyote.http11;
Output filter.

Author(s):
Remy Maucherat
public interface OutputFilter extends OutputBuffer {


    
Write some bytes.

Returns:
number of bytes written by the filter
    public int doWrite(ByteChunk chunkResponse unused)
        throws IOException;


    
Some filters need additional parameters from the response. All the necessary reading can occur in that method, as this method is called after the response header processing is complete.
    public void setResponse(Response response);


    
Make the filter ready to process the next request.
    public void recycle();


    
Get the name of the encoding handled by this filter.
    public ByteChunk getEncodingName();


    
Set the next buffer in the filter pipeline.
    public void setBuffer(OutputBuffer buffer);


    
End the current request. It is acceptable to write extra bytes using buffer.doWrite during the execution of this method.

Returns:
Should return 0 unless the filter does some content length delimitation, in which case the number is the amount of extra bytes or missing bytes, which would indicate an error. Note: It is recommended that extra bytes be swallowed by the filter.
    public long end()
        throws IOException;
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