1 /**
2 * This file Copyright (c) 2003-2015 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.importexport.filters;
35
36 import java.util.ArrayList;
37 import java.util.Iterator;
38 import java.util.List;
39
40 import org.xml.sax.Attributes;
41 import org.xml.sax.SAXException;
42 import org.xml.sax.XMLReader;
43 import org.xml.sax.helpers.AttributesImpl;
44 import org.xml.sax.helpers.XMLFilterImpl;
45
46
47 /**
48 * A filter that removed "mix:versionable" from jcr:mixinTypes while importing
49 * xml files. Can be used to automatically adapt version 3.5 xml files to
50 * magnolia 3.6 during bootstrap or activation. You need
51 * to modify DataTransporter in order to disable it (see the comments in
52 * DataTransporter.importXmlStream())
53 */
54 public class RemoveMixversionableFilter extends XMLFilterImpl {
55
56 private boolean inMixinTypes = false;
57
58 private boolean inValue = false;
59
60 private List values = new ArrayList();
61
62 private String value;
63
64 private Attributes atts;
65
66 /**
67 * Instantiates a new MetadataUuidFilter filter.
68 *
69 * @param parent wrapped XMLReader
70 */
71 public RemoveMixversionableFilter(XMLReader parent) {
72 super(parent);
73 }
74
75 @Override
76 public void startElement(String uri, String localName, String name, Attributes atts) throws SAXException {
77 if (name.equals("sv:property") && atts.getValue("sv:name").equals("jcr:mixinTypes")) {
78 this.atts = new AttributesImpl(atts);
79 inMixinTypes = true;
80 values.clear();
81 } else if (inMixinTypes && name.equals("sv:value")) {
82 inValue = true;
83 } else {
84 super.startElement(uri, localName, name, atts);
85 }
86 }
87
88 @Override
89 public void characters(char[] ch, int start, int length) throws SAXException {
90 if (inValue) {
91 if (value == null) {
92 value = new String(ch, start, length);
93 } else {
94 value += new String(ch, start, length);
95 }
96 } else {
97 super.characters(ch, start, length);
98 }
99 }
100
101 @Override
102 public void endElement(String uri, String localName, String name) throws SAXException {
103 if (inValue && name.equals("sv:value")) {
104 inValue = false;
105 if (!value.equals("mix:versionable")) {
106 values.add(value);
107 }
108 value = null;
109 } else if (inMixinTypes && name.equals("sv:property")) {
110 inMixinTypes = false;
111 // process the buffer
112 if (values.size() > 0) {
113 super.startElement(uri, "property", "sv:property", this.atts);
114 for (Iterator iterator = values.iterator(); iterator.hasNext(); ) {
115 String value = (String) iterator.next();
116 super.startElement(uri, "value", "sv:value", new AttributesImpl());
117 super.characters(value.toCharArray(), 0, value.length());
118 super.endElement(uri, "value", "sv:value");
119 }
120 super.endElement(uri, "property", "sv:property");
121 }
122 } else {
123 super.endElement(uri, localName, name);
124 }
125 }
126 }