88 lines
2.6 KiB
Java
88 lines
2.6 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.coyote.http2;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import org.apache.coyote.Response;
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import org.apache.coyote.http11.HttpOutputBuffer;
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import org.apache.coyote.http11.OutputFilter;
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import org.apache.coyote.http2.Stream.StreamOutputBuffer;
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import org.apache.tomcat.util.buf.ByteChunk;
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public class Http2OutputBuffer implements HttpOutputBuffer {
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private final Response coyoteResponse;
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private HttpOutputBuffer next;
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/**
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* Add a filter at the start of the existing processing chain. Subsequent
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* calls to the {@link HttpOutputBuffer} methods of this object will be
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* passed to the filter. If appropriate, the filter will then call the same
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* method on the next HttpOutputBuffer in the chain until the call reaches
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* the StreamOutputBuffer.
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*
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* @param filter The filter to add to the start of the processing chain
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*/
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public void addFilter(OutputFilter filter) {
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filter.setBuffer(next);
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next = filter;
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}
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public Http2OutputBuffer(Response coyoteResponse, StreamOutputBuffer streamOutputBuffer) {
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this.coyoteResponse = coyoteResponse;
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this.next = streamOutputBuffer;
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}
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@Override
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public int doWrite(ByteBuffer chunk) throws IOException {
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if (!coyoteResponse.isCommitted()) {
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coyoteResponse.sendHeaders();
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}
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return next.doWrite(chunk);
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}
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@Override
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public long getBytesWritten() {
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return next.getBytesWritten();
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}
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@Override
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public void end() throws IOException {
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next.end();
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}
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@Override
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public void flush() throws IOException {
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next.flush();
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}
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@Override
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@Deprecated
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public int doWrite(ByteChunk chunk) throws IOException {
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return next.doWrite(chunk);
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}
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}
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