1 |
| package net.sourceforge.pmd.util.viewer.model; |
2 |
| |
3 |
| import net.sourceforge.pmd.TargetJDKVersion; |
4 |
| import net.sourceforge.pmd.ast.ASTCompilationUnit; |
5 |
| import net.sourceforge.pmd.ast.ParseException; |
6 |
| import net.sourceforge.pmd.ast.SimpleNode; |
7 |
| import net.sourceforge.pmd.jaxen.DocumentNavigator; |
8 |
| import org.jaxen.BaseXPath; |
9 |
| import org.jaxen.JaxenException; |
10 |
| import org.jaxen.XPath; |
11 |
| |
12 |
| import java.io.StringReader; |
13 |
| import java.util.List; |
14 |
| import java.util.Vector; |
15 |
| |
16 |
| public class ViewerModel { |
17 |
| private Vector listeners; |
18 |
| private SimpleNode rootNode; |
19 |
| private List evaluationResults; |
20 |
| |
21 |
0
| public ViewerModel() {
|
22 |
0
| listeners = new Vector(5);
|
23 |
| } |
24 |
| |
25 |
0
| public SimpleNode getRootNode() {
|
26 |
0
| return rootNode;
|
27 |
| } |
28 |
| |
29 |
| |
30 |
| |
31 |
| |
32 |
| |
33 |
0
| public void commitSource(String source, TargetJDKVersion jdk) {
|
34 |
0
| ASTCompilationUnit compilationUnit = jdk.createParser(new StringReader(source)).CompilationUnit();
|
35 |
0
| rootNode = compilationUnit;
|
36 |
0
| fireViewerModelEvent(new ViewerModelEvent(this, ViewerModelEvent.CODE_RECOMPILED));
|
37 |
| } |
38 |
| |
39 |
| |
40 |
| |
41 |
| |
42 |
| |
43 |
| |
44 |
0
| public boolean hasCompiledTree() {
|
45 |
0
| return rootNode != null;
|
46 |
| } |
47 |
| |
48 |
| |
49 |
| |
50 |
| |
51 |
| |
52 |
| |
53 |
| |
54 |
0
| public void evaluateXPathExpression(String xPath, Object evaluator)
|
55 |
| throws ParseException, JaxenException { |
56 |
0
| XPath xpath = new BaseXPath(xPath, new DocumentNavigator());
|
57 |
0
| evaluationResults = xpath.selectNodes(rootNode);
|
58 |
0
| fireViewerModelEvent(new ViewerModelEvent(evaluator, ViewerModelEvent.PATH_EXPRESSION_EVALUATED));
|
59 |
| } |
60 |
| |
61 |
| |
62 |
| |
63 |
| |
64 |
| |
65 |
| |
66 |
| |
67 |
| |
68 |
0
| public List getLastEvaluationResults() {
|
69 |
0
| return evaluationResults;
|
70 |
| } |
71 |
| |
72 |
| |
73 |
| |
74 |
| |
75 |
| |
76 |
| |
77 |
| |
78 |
0
| public void selectNode(SimpleNode node, Object selector) {
|
79 |
0
| fireViewerModelEvent(new ViewerModelEvent(selector, ViewerModelEvent.NODE_SELECTED, node));
|
80 |
| } |
81 |
| |
82 |
| |
83 |
| |
84 |
| |
85 |
| |
86 |
| |
87 |
| |
88 |
0
| public void appendToXPathExpression(String pathFragment, Object appender) {
|
89 |
0
| fireViewerModelEvent(new ViewerModelEvent(appender, ViewerModelEvent.PATH_EXPRESSION_APPENDED, pathFragment));
|
90 |
| } |
91 |
| |
92 |
0
| public void addViewerModelListener(ViewerModelListener l) {
|
93 |
0
| listeners.add(l);
|
94 |
| } |
95 |
| |
96 |
0
| public void removeViewerModelListener(ViewerModelListener l) {
|
97 |
0
| listeners.remove(l);
|
98 |
| } |
99 |
| |
100 |
0
| protected void fireViewerModelEvent(ViewerModelEvent e) {
|
101 |
0
| for (int i = 0; i < listeners.size(); i++) {
|
102 |
0
| ((ViewerModelListener) listeners.elementAt(i)).viewerModelChanged(e);
|
103 |
| } |
104 |
| } |
105 |
| } |