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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.io;
20  
21  import java.io.Closeable;
22  import java.io.InputStream;
23  
24  import com.google.common.io.InputSupplier;
25  
26  /**
27   * @author Adrian Cole
28   */
29  public interface Payload extends InputSupplier<InputStream>, WriteTo, Closeable {
30  
31     /**
32      * Creates a new InputStream object of the payload.
33      */
34     InputStream getInput();
35  
36     /**
37      * Payload in its original form.
38      */
39     Object getRawContent();
40  
41     /**
42      * Tells if the payload is capable of producing its data more than once.
43      */
44     boolean isRepeatable();
45  
46     /**
47      * release resources used by this entity. This should be called when data is discarded.
48      */
49     void release();
50  
51     MutableContentMetadata getContentMetadata();
52  
53     void setContentMetadata(MutableContentMetadata in);
54  
55  }