001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027
028package org.apache.http.nio.entity;
029
030import org.apache.http.Header;
031import org.apache.http.HttpEntity;
032import org.apache.http.entity.BasicHttpEntity;
033import org.apache.http.nio.util.ContentInputBuffer;
034import org.apache.http.util.Args;
035
036/**
037 * HTTP entity wrapper whose content is provided by a
038 * {@link ContentInputBuffer}.
039 *
040 * @since 4.0
041 */
042public class ContentBufferEntity extends BasicHttpEntity {
043
044    private final HttpEntity wrappedEntity;
045
046    /**
047     * Creates new instance of ContentBufferEntity.
048     *
049     * @param entity the original entity.
050     * @param buffer the content buffer.
051     */
052    public ContentBufferEntity(final HttpEntity entity, final ContentInputBuffer buffer) {
053        super();
054        Args.notNull(entity, "HTTP entity");
055        this.wrappedEntity = entity;
056        setContent(new ContentInputStream(buffer));
057    }
058
059    @Override
060    public boolean isChunked() {
061        return this.wrappedEntity.isChunked();
062    }
063
064    @Override
065    public long getContentLength() {
066        return this.wrappedEntity.getContentLength();
067    }
068
069    @Override
070    public Header getContentType() {
071        return this.wrappedEntity.getContentType();
072    }
073
074    @Override
075    public Header getContentEncoding() {
076        return this.wrappedEntity.getContentEncoding();
077    }
078
079}