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* $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpcore/tags/4.0.1/httpcore-nio/src/main/java/org/apache/http/nio/entity/ConsumingNHttpEntityTemplate.java $
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* $Date: 2009-02-14 18:28:41 +0100 (Sat, 14 Feb 2009) $
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* ====================================================================
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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package org.apache.http.nio.entity;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import org.apache.http.HttpEntity;
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import org.apache.http.entity.HttpEntityWrapper;
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import org.apache.http.nio.ContentDecoder;
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import org.apache.http.nio.IOControl;
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* A {@link ConsumingNHttpEntity} that forwards available content to a
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* {@link ContentListener}.
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public class ConsumingNHttpEntityTemplate
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extends HttpEntityWrapper implements ConsumingNHttpEntity {
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private final ContentListener contentListener;
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public ConsumingNHttpEntityTemplate(
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final HttpEntity httpEntity,
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final ContentListener contentListener) {
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this.contentListener = contentListener;
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public ContentListener getContentListener() {
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return contentListener;
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public InputStream getContent() throws IOException, UnsupportedOperationException {
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throw new UnsupportedOperationException("Does not support blocking methods");
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public boolean isStreaming() {
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public void writeTo(OutputStream out) throws IOException, UnsupportedOperationException {
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throw new UnsupportedOperationException("Does not support blocking methods");
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* This method is equivalent to the {@link #finish()} method.
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* TODO: The name of this method is misnomer. It will be renamed to
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* #finish() in the next major release.
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public void consumeContent() throws IOException {
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public void consumeContent(
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final ContentDecoder decoder,
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final IOControl ioctrl) throws IOException {
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this.contentListener.contentAvailable(decoder, ioctrl);
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public void finish() {
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this.contentListener.finished();