|
1
19
20 package org.netbeans.modules.xml.xsd;
21
22 import java.io.PrintStream  ;
23 import java.util.List ;
24 import java.util.ArrayList ;
25 import java.util.Map ;
26 import java.util.HashMap ;
27 import java.util.Iterator ;
28 import org.xml.sax.ContentHandler ;
29 import org.xml.sax.Attributes ;
30
31
35 class XSDContentHandler implements ContentHandler {
36
37
38 private List elementsStack;
39
40 private Map elements;
41
42 private Map types;
43
44 private PrintStream ps;
45
46 private boolean resolveNamespaces;
48 private Map uri2Namespace;
49 private Map prefix2Namespace;
50 private Namespace schemaNamespace;
51 private Namespace targetNamespace;
52
53
54 public XSDContentHandler(PrintStream ps) {
55 this.ps = ps;
56 this.elements = new HashMap ();
57 this.types = new HashMap ();
58 this.elementsStack = new ArrayList ();
59 this.resolveNamespaces = true;
60 this.uri2Namespace = new HashMap ();
61 this.prefix2Namespace = new HashMap ();
62 }
63
64 public XSDGrammar getGrammar() {
65 return new XSDGrammar(elements, types, targetNamespace, schemaNamespace);
66 }
67
68 public void characters(char[] ch, int start, int length) throws org.xml.sax.SAXException {
69 }
71
72 public void endDocument() throws org.xml.sax.SAXException {
73 System.out.println("Stack size: " + elementsStack.size());
74
75 SchemaElement e = (SchemaElement) elementsStack.get(0);
76
78 }
80
81 public void endElement(String namespaceURI, String localName, String qName) throws org.xml.sax.SAXException {
82 elementsStack.remove(elementsStack.size() - 1);
85 }
86
87 public void endPrefixMapping(String prefix) throws org.xml.sax.SAXException {
88 }
90
91 public void ignorableWhitespace(char[] ch, int start, int length) throws org.xml.sax.SAXException {
92 }
93
94 public void processingInstruction(String target, String data) throws org.xml.sax.SAXException {
95 }
97
98 public void setDocumentLocator(org.xml.sax.Locator locator) {
99 }
100
101 public void skippedEntity(String name) throws org.xml.sax.SAXException {
102 }
104
105 public void startDocument() throws org.xml.sax.SAXException {
106 elementsStack.add(SchemaElement.createSchemaElement(null, "TOP_LEVEL", null, null));
107 }
109
110 public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws org.xml.sax.SAXException {
111 if (resolveNamespaces) {
112 resolveNamespaces = false;
113
114 for (int i = 0; i < atts.getLength(); i++) {
115 String name = atts.getQName(i);
116 if (name.startsWith(Namespace.XMLNS_ATTR)) {
117 String uri = atts.getValue(i);
118 String prefix = Namespace.getSufix(name);
119 Namespace ns = new Namespace(uri, prefix);
120 if (prefix != null) {
121 this.prefix2Namespace.put(prefix, ns);
122 }
123 this.uri2Namespace.put(uri, ns);
124 System.err.println("NAMESPACE ADDED: " + prefix + " uri: " + uri);
125 } else {
126 System.err.println("ATTR not taken: " + name + " xxx " + atts.getQName(i) + " xxx " + atts.getValue(i));
127 }
128 }
129
130 String myprefix = Namespace.getPrefix(qName);
132 Namespace xs = (Namespace) uri2Namespace.get(Namespace.XSD_SCHEMA_URI);
133 assert xs != null : "Namespace http://www.w3.org/2001/XMLSchema not found";
134 if (myprefix == xs.getPrefix() || myprefix.equals(xs.getPrefix())) {
135 this.schemaNamespace = xs;
136 String uri = atts.getValue("targetNamespace");
137 this.targetNamespace = (Namespace) uri2Namespace.get(uri);
138 assert targetNamespace != null;
139 } else {
141 assert false : "Unknown schema, prefix of schema element does not match http://www.w3.org/2001/XMLSchema namespace";
143 }
144 }
145
146 SchemaElement e = SchemaElement.createSchemaElement(namespaceURI, qName, atts, schemaNamespace.getPrefix());
147 System.err.println("ELEMENTS ADDING: " + atts.getValue("name") + " qname: " + qName);
148 SchemaElement parent = (SchemaElement) elementsStack.get(elementsStack.size() - 1);
149 if (parent != null && parent.getSAXAttributes() != null) {
150 System.err.println("INTO: " + parent.getSAXAttributes().getValue("name"));
151 }
152 elements.put(atts.getValue("name"), e);
153 parent.addSubelement(e);
154 elementsStack.add(e);
156 }
159
160 public void startPrefixMapping(String prefix, String uri) throws org.xml.sax.SAXException {
161 }
163 }
164 |
Popular Tags |
Java API By Example, From Geeks To Geeks.