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Java > Open Source Codes > org > netbeans > modules > xml > xdm > diff > SyncPreparation


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 package org.netbeans.modules.xml.xdm.diff;
20
21 import java.io.IOException JavaDoc;
22 import java.util.List JavaDoc;
23 import org.netbeans.modules.xml.xdm.nodes.Document;
24
25 /**
26  * Support for two-phased sync protocol.
27  *
28  * @author Nam Nguyen
29  */
30 public class SyncPreparation {
31     private Document newDoc;
32     private Document oldDoc;
33     private List JavaDoc<Difference> diffs;
34     private IOException JavaDoc error;
35     
36     /** Creates a new instance of SyncPreparation */
37     public SyncPreparation(Document newDoc) {
38         assert newDoc != null : "Argument newDoc is null";
39         this.newDoc = newDoc;
40     }
41     
42     public SyncPreparation(Document oldDoc, List JavaDoc<Difference> diffs) {
43         assert oldDoc != null : "Argument oldDoc is null.";
44         this.oldDoc = oldDoc;
45         this.diffs = diffs;
46     }
47     
48     public SyncPreparation(Exception JavaDoc err) {
49         assert err != null : "Argument err is null.";
50         if (err instanceof IOException JavaDoc) {
51             error = (IOException JavaDoc) err;
52         } else {
53             error = new IOException JavaDoc();
54             error.initCause(err);
55         }
56     }
57     
58     public Document getNewDocument() {
59         return newDoc;
60     }
61     
62     public Document getOldDocument() {
63         return oldDoc;
64     }
65     
66     public List JavaDoc<Difference> getDifferences() {
67         return diffs;
68     }
69     
70     public boolean hasErrors() {
71         return error != null;
72     }
73     
74     public IOException JavaDoc getError() {
75         return error;
76     }
77     
78 }
79
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