blob: 17a4149a0f319149866dbc108c3069641696978f [file] [log] [blame]
/*
* $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/entity/HttpEntityWrapper.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;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
/**
* Base class for wrapping entities.
* Keeps a {@link #wrappedEntity wrappedEntity} and delegates all
* calls to it. Implementations of wrapping entities can derive
* from this class and need to override only those methods that
* should not be delegated to the wrapped entity.
*
* @version $Revision: 496070 $
*
* @since 4.0
*/
public class HttpEntityWrapper implements HttpEntity {
/** The wrapped entity. */
protected HttpEntity wrappedEntity;
/**
* Creates a new entity wrapper.
*
* @param wrapped the entity to wrap
*/
public HttpEntityWrapper(HttpEntity wrapped) {
super();
if (wrapped == null) {
throw new IllegalArgumentException
("wrapped entity must not be null");
}
wrappedEntity = wrapped;
} // constructor
public boolean isRepeatable() {
return wrappedEntity.isRepeatable();
}
public boolean isChunked() {
return wrappedEntity.isChunked();
}
public long getContentLength() {
return wrappedEntity.getContentLength();
}
public Header getContentType() {
return wrappedEntity.getContentType();
}
public Header getContentEncoding() {
return wrappedEntity.getContentEncoding();
}
public InputStream getContent()
throws IOException {
return wrappedEntity.getContent();
}
public void writeTo(OutputStream outstream)
throws IOException {
wrappedEntity.writeTo(outstream);
}
public boolean isStreaming() {
return wrappedEntity.isStreaming();
}
public void consumeContent()
throws IOException {
wrappedEntity.consumeContent();
}
} // class HttpEntityWrapper