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1   /**
2    *
3    * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com>
4    *
5    * ====================================================================
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   * ====================================================================
18   */
19  package org.jclouds.blobstore.domain;
20  
21  import java.net.URI;
22  
23  import javax.annotation.Nullable;
24  
25  import org.jclouds.blobstore.domain.internal.BlobMetadataImpl;
26  import org.jclouds.io.ContentMetadata;
27  
28  import com.google.inject.ImplementedBy;
29  
30  /**
31   * System and user Metadata for the {@link Blob}.
32   * 
33   * @author Adrian Cole
34   */
35  @ImplementedBy(BlobMetadataImpl.class)
36  public interface BlobMetadata extends StorageMetadata {
37     /**
38      * If the blob is publicly readable, what is the URI one can access it at.
39      * 
40      * @return uri, or null, if not readable
41      */
42     @Nullable
43     URI getPublicUri();
44     
45     /**
46      * 
47      * @return the container holding this blob
48      */
49     @Nullable
50     String getContainer();
51  
52     ContentMetadata getContentMetadata();
53  }