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37 package org.exolab.castor.dsml.mozilla;
38
39
40 import java.util.Enumeration;
41 import java.util.Vector;
42 import org.xml.sax.SAXException;
43 import org.xml.sax.AttributeList;
44 import org.xml.sax.HandlerBase;
45 import netscape.ldap.LDAPEntry;
46 import netscape.ldap.LDAPAttribute;
47 import netscape.ldap.LDAPAttributeSet;
48
49 import org.castor.core.util.Base64Decoder;
50 import org.castor.core.util.Messages;
51 import org.exolab.castor.dsml.XML;
52
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59
60 class MozillaEntryConsumer extends HandlerBase {
61
62
63 private String _entryDN;
64
65
66 private LDAPAttributeSet _attrSet;
67
68
69 private LDAPAttribute _attr;
70
71
72 private StringBuffer _value;
73
74
75 private Base64Decoder _decoder;
76
77
78 private Vector _entries = new Vector();
79
80
81 MozillaEntryConsumer() {}
82
83
84 public Enumeration getEntries() {
85 return _entries.elements();
86 }
87
88
89 public void startElement(String tagName, AttributeList attr) throws SAXException {
90 if (tagName.equals(XML.Entries.ELEMENT)) {
91
92 } else if (tagName.equals(XML.Entries.Elements.ENTRY)) {
93 if (_attrSet != null)
94 throw new SAXException(Messages.format("dsml.openingTagNotRecognized", tagName));
95 _attrSet = new LDAPAttributeSet();
96 _entryDN = attr.getValue(XML.Entries.Attributes.DN);
97 } else if (tagName.equals(XML.Entries.Elements.OBJECT_CLASS)) {
98 if (_attrSet == null || _attr != null)
99 throw new SAXException(Messages.format("dsml.openingTagNotRecognized", tagName));
100 _attr = new LDAPAttribute("objectclass");
101 } else if (tagName.equals(XML.Entries.Elements.ATTRIBUTE)) {
102 if (_attrSet == null || _attr != null)
103 throw new SAXException(Messages.format("dsml.openingTagNotRecognized", tagName));
104 _attr = new LDAPAttribute(attr.getValue(XML.Entries.Attributes.NAME));
105 } else if (tagName.equals(XML.Entries.Elements.VALUE)
106 || tagName.equals(XML.Entries.Elements.OBJECT_CLASS_VALUE)) {
107 if (_attrSet == null || _attr == null || _value != null)
108 throw new SAXException(Messages.format("dsml.openingTagNotRecognized", tagName));
109 if (XML.Entries.Attributes.Encodings.BASE64
110 .equals(attr.getValue(XML.Entries.Attributes.ENCODING))) {
111 _decoder = new Base64Decoder();
112 } else {
113 _value = new StringBuffer();
114 }
115 } else {
116 throw new SAXException(Messages.format("dsml.openingTagNotRecognized", tagName));
117 }
118 }
119
120
121 public void endElement(String tagName) throws SAXException {
122 if (tagName.equals(XML.Entries.ELEMENT)) {
123 if (_attrSet != null)
124 throw new SAXException(Messages.format("dsml.closingTagNotRecognized", tagName));
125 } else if (tagName.equals(XML.Entries.Elements.ENTRY)) {
126 if (_attrSet == null || _attr != null)
127 throw new SAXException(Messages.format("dsml.closingTagNotRecognized", tagName));
128 _entries.add(new LDAPEntry(_entryDN, _attrSet));
129 _entryDN = null;
130 _attrSet = null;
131 } else if (tagName.equals(XML.Entries.Elements.OBJECT_CLASS)
132 || tagName.equals(XML.Entries.Elements.ATTRIBUTE)) {
133 if (_attrSet == null || _attr == null || _value != null)
134 throw new SAXException(Messages.format("dsml.closingTagNotRecognized", tagName));
135 _attrSet.add(_attr);
136 _attr = null;
137 } else if (tagName.equals(XML.Entries.Elements.VALUE)
138 || tagName.equals(XML.Entries.Elements.OBJECT_CLASS_VALUE)) {
139 if (_attrSet == null || _attr == null || (_value == null && _decoder == null))
140 throw new SAXException(Messages.format("dsml.closingTagNotRecognized", tagName));
141 if (_decoder != null) {
142 _attr.addValue(_decoder.getByteArray());
143 _decoder = null;
144 } else {
145 _attr.addValue(_value.toString());
146 _value = null;
147 }
148 } else {
149 throw new SAXException(Messages.format("dsml.closingTagNotRecognized", tagName));
150 }
151 }
152
153 public void characters(final char[] chars, final int offset, final int length) {
154 if (_decoder != null) {
155 _decoder.translate(new String(chars, offset, length));
156 } else if (_value != null) {
157 _value.append(chars, offset, length);
158 }
159 }
160 }