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34 package info.magnolia.importexport.filters;
35
36 import org.apache.commons.lang3.ArrayUtils;
37 import org.xml.sax.Attributes;
38 import org.xml.sax.SAXException;
39 import org.xml.sax.XMLReader;
40 import org.xml.sax.helpers.XMLFilterImpl;
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49 @Deprecated
50 public class MetadataUuidFilter extends XMLFilterImpl {
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54
55 private int inMetadataElement;
56
57 private boolean skipProperty;
58
59 private boolean inSkippedNs;
60
61 private String[] validNs = new String[]{"sv", "xsi"};
62
63 private boolean removeUnwantedNamespaces;
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70
71 public MetadataUuidFilter(XMLReader parent, boolean removeUnwantedNamespaces) {
72 super(parent);
73 this.removeUnwantedNamespaces = removeUnwantedNamespaces;
74 }
75
76 @Override
77 public void endPrefixMapping(String prefix) throws SAXException {
78 if (!inSkippedNs) {
79 super.endPrefixMapping(prefix);
80 }
81 inSkippedNs = false;
82
83 }
84
85
86
87
88 @Override
89 public void startPrefixMapping(String prefix, String uri) throws SAXException {
90 if (!removeUnwantedNamespaces || ArrayUtils.contains(validNs, prefix)) {
91 super.startPrefixMapping(prefix, uri);
92 } else {
93 inSkippedNs = true;
94 }
95 }
96
97 @Override
98 public void endElement(String uri, String localName, String qName) throws SAXException {
99
100 if (inMetadataElement > 0) {
101 inMetadataElement--;
102 }
103
104 if (skipProperty) {
105 if ("sv:property".equals(qName)) {
106 skipProperty = false;
107 }
108 return;
109 }
110
111 super.endElement(uri, localName, qName);
112 }
113
114 @Override
115 public void characters(char[] ch, int start, int length) throws SAXException {
116 if (!skipProperty) {
117 super.characters(ch, start, length);
118 }
119 }
120
121 @Override
122 public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException {
123
124 if (inMetadataElement > 0) {
125 inMetadataElement++;
126 }
127
128 String svname = atts.getValue("sv:name");
129
130 if ("sv:node".equals(qName) && "MetaData".equals(svname)) {
131 inMetadataElement++;
132 }
133
134 if (inMetadataElement > 0) {
135
136 if ("sv:property".equals(qName) && ("jcr:uuid".equals(svname))) {
137 skipProperty = true;
138 }
139
140 if (skipProperty) {
141 return;
142 }
143 }
144
145 super.startElement(uri, localName, qName, atts);
146
147 }
148 }