|
1
11
12 package org.eclipse.pde.internal.core.schema;
13
14 import org.xml.sax.Attributes  ;
15 import org.xml.sax.SAXException ;
16
17
21 public class SchemaAttributeHandler extends BaseSchemaHandler {
22
23 private String fElementName;
24
25 private String fAttributeName;
26
27 private String fTargetElementName;
28
29 private String fTargetAttributeName;
30
31 private StringBuffer fDescription;
32
33 private final static String [] DESC_NESTED_ELEM = { "documentation", "annotation", "attribute", "complexType", "element" };
36 private final static String NAME_ATTR = "name";
38
41 public SchemaAttributeHandler(String targetElementName, String targetAttributeName) {
42 super();
43 setTargetElementName(targetElementName);
44 setTargetAttributeName(targetAttributeName);
45 }
46
47 public void setTargetElementName(String targetElementName) {
48 fTargetElementName = targetElementName;
49 }
50
51 public void setTargetAttributeName(String targetAttributeName) {
52 fTargetAttributeName = targetAttributeName;
53 }
54
55 protected void reset() {
56 super.reset();
57 fDescription = new StringBuffer ();
58 fElementName = null;
59 fAttributeName = null;
60 }
61
62 public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
63 super.startElement(uri, localName, qName, attributes);
64 if (qName.compareTo(DESC_NESTED_ELEM[4]) == 0) {
65 if ((attributes != null) &&
69 (attributes.getValue(NAME_ATTR) != null)) {
70 fElementName = attributes.getValue(NAME_ATTR);
71 }
72 } else if (qName.compareTo(DESC_NESTED_ELEM[2]) == 0) {
73 if (attributes != null) {
76 fAttributeName = attributes.getValue(NAME_ATTR);
77 }
78 }
79 }
80
81 public void characters(char[] ch, int start, int length) throws SAXException {
82
83 if (onTarget()) {
84 for (int i = 0; i < length; i++) {
85 fDescription.append(ch[start + i]);
86 }
87 }
88 }
89
90 protected boolean onTarget() {
91 if (fElementList.size() >= DESC_NESTED_ELEM.length) {
92 for (int i = 0; i < DESC_NESTED_ELEM.length; i++) {
93 String currentElement = (String )fElementList.get(i);
94 if (currentElement.compareTo(DESC_NESTED_ELEM[i]) != 0) {
95 return false;
96 }
97 }
98 if ((fElementName == null) ||
99 (fElementName.compareTo(fTargetElementName) != 0)) {
100 return false;
101 }
102 if ((fAttributeName == null) ||
103 (fAttributeName.compareTo(fTargetAttributeName) != 0)) {
104 return false;
105 }
106 return true;
107 }
108 return false;
109 }
110
111 public String getDescription() {
112 return fDescription.toString();
113 }
114
115 }
116 |
Popular Tags |
Java API By Example, From Geeks To Geeks.