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  * obtain a copy of the License at
  * or packager/legal/LICENSE.txt.  See the License for the specific
  * language governing permissions and limitations under the License.
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  * file that accompanied this code.
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  * and therefore, elected the GPL Version 2 license, then the option applies
  * only if the new code is made subject to such option by the copyright
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  * This file incorporates work covered by the following copyright and
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  * Copyright 2004 The Apache Software Foundation
  * 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
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  * limitations under the License.
 package org.apache.coyote.http11.filters;
Void input filter, which returns -1 when attempting a read. Used with a GET, HEAD, or a similar request.

Remy Maucherat
 public class VoidInputFilter implements InputFilter {
     // -------------------------------------------------------------- Constants
     protected static final String ENCODING_NAME = "void";
     protected static final ByteChunk ENCODING = new ByteChunk();
     // ----------------------------------------------------- Static Initializer
     static {
     // ----------------------------------------------------- Instance Variables
     // --------------------------------------------------- OutputBuffer Methods

Write some bytes.

number of bytes written by the filter
    public int doRead(ByteChunk chunkRequest req)
        throws IOException {
        return -1;
    // --------------------------------------------------- OutputFilter Methods

Set the associated reauest.
    public void setRequest(Request request) {

Set the next buffer in the filter pipeline.
    public void setBuffer(InputBuffer buffer) {

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

Return the name of the associated encoding; Here, the value is "void".
    public ByteChunk getEncodingName() {
        return ;

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

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 {
        return 0;
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