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Java > Open Source Codes > org > apache > activemq > blob > BlobUploader


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.blob;
18
19 import org.apache.activemq.command.ActiveMQBlobMessage;
20
21 import javax.jms.JMSException JavaDoc;
22 import java.io.File JavaDoc;
23 import java.io.IOException JavaDoc;
24 import java.io.InputStream JavaDoc;
25 import java.net.URL JavaDoc;
26
27 /**
28  * A helper class to represent a required upload of a BLOB to some remote URL
29  *
30  * @version $Revision: $
31  */
32 public class BlobUploader {
33
34     private BlobTransferPolicy blobTransferPolicy;
35     private File JavaDoc file;
36     private InputStream JavaDoc in;
37
38
39     public BlobUploader(BlobTransferPolicy blobTransferPolicy, InputStream JavaDoc in) {
40         this.blobTransferPolicy = blobTransferPolicy;
41         this.in = in;
42     }
43
44     public BlobUploader(BlobTransferPolicy blobTransferPolicy, File JavaDoc file) {
45         this.blobTransferPolicy = blobTransferPolicy;
46         this.file = file;
47     }
48
49     public URL JavaDoc upload(ActiveMQBlobMessage message) throws JMSException JavaDoc, IOException JavaDoc {
50         if (file != null) {
51             return getStrategy().uploadFile(message, file);
52         }
53         else {
54             return getStrategy().uploadStream(message, in);
55         }
56     }
57
58
59     public BlobTransferPolicy getBlobTransferPolicy() {
60         return blobTransferPolicy;
61     }
62
63     public BlobUploadStrategy getStrategy() {
64         return getBlobTransferPolicy().getUploadStrategy();
65     }
66 }
67
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