text: /**
   * Licensed to jclouds, Inc. (jclouds) under one or more
   * contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  jclouds 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.
   */
  package org.jclouds.openstack.swift.functions;
  
  import javax.inject.Inject;
  
  import org.jclouds.http.HttpRequest;
  import org.jclouds.http.HttpResponse;
  import org.jclouds.openstack.swift.domain.MutableObjectInfoWithMetadata;
  import org.jclouds.openstack.swift.domain.SwiftObject;
  import org.jclouds.rest.InvocationContext;
  
  import com.google.common.base.Function;
  
  /**
   * Parses response headers and creates a new SwiftObject from them and the HTTP content.
   * 
   * @see ParseMetadataFromHeaders
   * @author Adrian Cole
   */
  public class ParseObjectFromHeadersAndHttpContent implements Function<HttpResponse, SwiftObject>,
           InvocationContext<ParseObjectFromHeadersAndHttpContent> {
  
     private final ParseObjectInfoFromHeaders infoParser;
     private final SwiftObject.Factory objectProvider;
  
     @Inject
     public ParseObjectFromHeadersAndHttpContent(ParseObjectInfoFromHeaders infoParser,
              SwiftObject.Factory objectProvider) {
        this.infoParser = infoParser;
        this.objectProvider = objectProvider;
     }
  
     public SwiftObject apply(HttpResponse from) {
        MutableObjectInfoWithMetadata metadata = infoParser.apply(from);
        if (metadata.getHash() != null)
           from.getPayload().getContentMetadata().setContentMD5(metadata.getHash());
        SwiftObject object = objectProvider.create(metadata);
        object.getAllHeaders().putAll(from.getHeaders());
        object.setPayload(from.getPayload());
        return object;
     }
  
     @Override
     public ParseObjectFromHeadersAndHttpContent setContext(HttpRequest request) {
        infoParser.setContext(request);
        return this;
     }
  }
  