Package org.jclouds.openstack.swift.functions

Source Code of org.jclouds.openstack.swift.functions.ParseObjectFromHeadersAndHttpContent

/**
* 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;
   }
}
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