BlobMessage


1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.activemq;
18  
19  import javax.jms.JMSException  ;
20  import java.net.URL  ;
21  import java.net.MalformedURLException  ;
22  import java.io.InputStream  ;
23  import java.io.IOException  ;
24  
25  /**
26   * Represents a message which has a typically out of band Binary Large Object
27   * (BLOB)
28   * 
29   * @version $Revision: $
30   */
31  public interface BlobMessage extends Message {
32  
33      /**
34       * Return the input stream to process the BLOB
35       */
36      InputStream   getInputStream() throws IOException  , JMSException  ;
37  
38      /**
39       * Returns the URL for the blob if its available as an external URL (such as file, http, ftp etc)
40       * or null if there is no URL available
41       */
42      URL   getURL() throws MalformedURLException  , JMSException  ;
43  
44  
45      /**
46       * The MIME type of the BLOB which can be used to apply different content types to messages.
47       */
48      String   getMimeType();
49  
50      /**
51       * Sets the MIME type of the BLOB so that a consumer can process things nicely with a Java Activation Framework
52       * DataHandler
53       */
54      void setMimeType(String   mimeType);
55  
56  
57      String   getName();
58  
59      /**
60       * The name of the attachment which can be useful information if transmitting files over ActiveMQ
61       */
62      void setName(String   name);
63  }
64
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