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 * ====================================================================
 * 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
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 * <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;
import org.apache.http.util.Args;

Base class for wrapping entities. Keeps a 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/**
 * 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. /** The wrapped entity. */
    protected HttpEntity wrappedEntity;

    
Creates a new entity wrapper.
Params:
wrappedEntity – the entity to wrap./**
     * Creates a new entity wrapper.
     *
     * @param wrappedEntity the entity to wrap.
     */
    public HttpEntityWrapper(final HttpEntity wrappedEntity) {
        super();
        this.wrappedEntity = Args.notNull(wrappedEntity, "Wrapped entity");
    }

    @Override
    public boolean isRepeatable() {
        return wrappedEntity.isRepeatable();
    }

    @Override
    public boolean isChunked() {
        return wrappedEntity.isChunked();
    }

    @Override
    public long getContentLength() {
        return wrappedEntity.getContentLength();
    }

    @Override
    public Header getContentType() {
        return wrappedEntity.getContentType();
    }

    @Override
    public Header getContentEncoding() {
        return wrappedEntity.getContentEncoding();
    }

    @Override
    public InputStream getContent()
        throws IOException {
        return wrappedEntity.getContent();
    }

    @Override
    public void writeTo(final OutputStream outStream)
        throws IOException {
        wrappedEntity.writeTo(outStream);
    }

    @Override
    public boolean isStreaming() {
        return wrappedEntity.isStreaming();
    }

    
Deprecated:
(4.1) Either use getContent() and call InputStream.close() on that; otherwise call writeTo(OutputStream) which is required to free the resources./**
     * @deprecated (4.1) 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.
     */
    @Override
    @Deprecated
    public void consumeContent() throws IOException {
        wrappedEntity.consumeContent();
    }

}