01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41: package org.netbeans.modules.xml.retriever.catalog.model;
42:
43: import java.io.IOException;
44: import javax.swing.text.BadLocationException;
45: import javax.swing.text.Document;
46: import org.netbeans.modules.xml.xam.AbstractModelFactory;
47: import org.netbeans.modules.xml.xam.ModelSource;
48: import org.netbeans.modules.xml.retriever.catalog.model.impl.CatalogModelImpl;
49:
50: public class CatalogModelFactory extends
51: AbstractModelFactory<CatalogModel> {
52: /**
53: * Creates a new instance of CatalogModelFactory
54: */
55: private CatalogModelFactory() {
56: }
57:
58: private static CatalogModelFactory instance = new CatalogModelFactory();
59:
60: public static CatalogModelFactory getInstance() {
61: return instance;
62: }
63:
64: protected CatalogModel createModel(ModelSource source) {
65: return new CatalogModelImpl(source);
66: }
67:
68: public static final String CATALOG_TEMPLATE = "<?xml version=\"1.0\" encoding=\"UTF-8\""
69: + " standalone=\"no\"?>"
70: + "\n"
71: + "<catalog xmlns=\"urn:oasis:names:tc:entity:xmlns:xml:catalog\" prefer=\"system\"/>";
72:
73: public CatalogModel getModel(ModelSource source) {
74: Document doc = (Document) source.getLookup().lookup(
75: Document.class);
76: if ((doc != null) && doc.getLength() <= 5) {
77: //means the catalog file is empty now
78: try {
79: doc.remove(0, doc.getLength());
80: doc.insertString(0, CATALOG_TEMPLATE, null);
81: } catch (BadLocationException ex) {
82: return null;
83: }
84: }
85:
86: CatalogModel cm = (CatalogModel) super .getModel(source);
87: try {
88: cm.sync();
89: } catch (IOException ex) {
90: }
91: return cm;
92: }
93: }
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