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Java > Open Source Codes > org > netbeans > modules > j2ee > persistence > unit > PUDataLoader


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.j2ee.persistence.unit;
21
22 import java.io.IOException JavaDoc;
23 import org.netbeans.api.project.FileOwnerQuery;
24 import org.openide.filesystems.FileObject;
25 import org.openide.loaders.MultiDataObject;
26 import org.openide.loaders.UniFileLoader;
27 import org.openide.util.NbBundle;
28
29 /**
30  * @author Martin Adamek
31  */
32 public class PUDataLoader extends UniFileLoader {
33     
34     public static final String JavaDoc REQUIRED_MIME = "text/x-persistence1.0";
35     /**
36      * A workaround for issue 95675.
37      */
38     private static final String JavaDoc REQUIRED_EXTENSION = "xml-jpa";
39     
40     public PUDataLoader() {
41         super(PUDataLoader.class.getName());
42     }
43     
44     protected void initialize() {
45         super.initialize();
46         getExtensions().addMimeType(REQUIRED_MIME);
47         getExtensions().addExtension(REQUIRED_EXTENSION);
48     }
49     
50     protected String JavaDoc defaultDisplayName() {
51         return NbBundle.getMessage(PUDataLoader.class, "LBL_loaderName"); // NOI18N
52 }
53     
54     protected MultiDataObject createMultiObject(FileObject pf) throws IOException JavaDoc {
55         // a workaround for issue 95675
56 boolean parse = !REQUIRED_EXTENSION.equals(pf.getExt());
57         return new PUDataObject(pf, this, parse);
58     }
59     
60     protected String JavaDoc actionsContext() {
61         return "Loaders/" + REQUIRED_MIME + "/Actions";
62     }
63     
64     protected FileObject findPrimaryFile(FileObject fo) {
65         FileObject superFo = super.findPrimaryFile(fo);
66         return (superFo != null && FileOwnerQuery.getOwner(superFo) != null)
67                 ? superFo : null;
68     }
69     
70 }
71
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