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Java > Open Source Codes > org > alfresco > service > cmr > view > ExportPackageHandler


1 /*
2  * Copyright (C) 2005 Alfresco, Inc.
3  *
4  * Licensed under the Mozilla Public License version 1.1
5  * with a permitted attribution clause. You may obtain a
6  * copy of the License at
7  *
8  * http://www.alfresco.org/legal/license.txt
9  *
10  * Unless required by applicable law or agreed to in writing,
11  * software distributed under the License is distributed on an
12  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13  * either express or implied. See the License for the specific
14  * language governing permissions and limitations under the
15  * License.
16  */
17 package org.alfresco.service.cmr.view;
18
19 import java.io.InputStream JavaDoc;
20 import java.io.OutputStream JavaDoc;
21
22 import org.alfresco.service.cmr.repository.ContentData;
23
24
25 /**
26  * Contract for a custom content property exporter.
27  *
28  * @author David Caruana
29  *
30  */
31 public interface ExportPackageHandler
32 {
33     /**
34      * Start the Export
35      */
36     public void startExport();
37     
38     /**
39      * Create a stream for accepting the package data
40      *
41      * @return the output stream
42      */
43     public OutputStream JavaDoc createDataStream();
44     
45     
46     /**
47      * Call-back for handling the export of content stream.
48      *
49      * @param content content to export
50      * @param contentData content descriptor
51      * @return the URL to the location of the exported content
52      */
53     public ContentData exportContent(InputStream JavaDoc content, ContentData contentData);
54     
55     /**
56      * End the Export
57      */
58     public void endExport();
59     
60 }
61
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