gecko/mobile/android/base/httpclientandroidlib/entity/HttpEntityWrapper.java

112 lines
3.3 KiB
Java

/*
* ====================================================================
* 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 ch.boye.httpclientandroidlib.entity;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import ch.boye.httpclientandroidlib.Header;
import ch.boye.httpclientandroidlib.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.
*
* @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, not null
* @throws IllegalArgumentException if wrapped is null
*/
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();
}
/**
* @deprecated Either use {@link #getContent()} and call {@link java.io.InputStream#close()} on that;
* otherwise call {@link #writeTo(OutputStream)} which is required to free the resources.
*/
public void consumeContent() throws IOException {
wrappedEntity.consumeContent();
}
}