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/*
* $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/entity/EntityTemplate.java $
* $Revision: 496070 $
* $Date: 2007-01-14 04:18:34 -0800 (Sun, 14 Jan 2007) $
*
* ====================================================================
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.http.entity;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* Entity that delegates the process of content generation to an abstract
* content producer.
*
* @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
*
* @version $Revision: 496070 $
*
* @since 4.0
*/
public class EntityTemplate extends AbstractHttpEntity {
private final ContentProducer contentproducer;
public EntityTemplate(final ContentProducer contentproducer) {
super();
if (contentproducer == null) {
throw new IllegalArgumentException("Content producer may not be null");
}
this.contentproducer = contentproducer;
}
public long getContentLength() {
return -1;
}
public InputStream getContent() {
throw new UnsupportedOperationException("Entity template does not implement getContent()");
}
public boolean isRepeatable() {
return true;
}
public void writeTo(final OutputStream outstream) throws IOException {
if (outstream == null) {
throw new IllegalArgumentException("Output stream may not be null");
}
this.contentproducer.writeTo(outstream);
}
public boolean isStreaming() {
return true;
}
public void consumeContent() throws IOException {
}
}