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1
11 package org.eclipse.jdt.internal.corext.util;
12
13 import java.util.StringTokenizer  ;
14
15 import org.eclipse.jface.util.IPropertyChangeListener;
16 import org.eclipse.jface.util.PropertyChangeEvent;
17
18 import org.eclipse.jdt.core.IType;
19 import org.eclipse.jdt.core.search.TypeNameMatch;
20
21 import org.eclipse.jdt.ui.PreferenceConstants;
22
23 import org.eclipse.jdt.internal.ui.JavaPlugin;
24 import org.eclipse.jdt.internal.ui.util.StringMatcher;
25
26
29 public class TypeFilter implements IPropertyChangeListener {
30
31 public static TypeFilter getDefault() {
32 return JavaPlugin.getDefault().getTypeFilter();
33 }
34
35 public static boolean isFiltered(String fullTypeName) {
36 return getDefault().filter(fullTypeName);
37 }
38
39 public static boolean isFiltered(char[] fullTypeName) {
40 return getDefault().filter(new String (fullTypeName));
41 }
42
43 public static boolean isFiltered(char[] packageName, char[] typeName) {
44 return getDefault().filter(JavaModelUtil.concatenateName(packageName, typeName));
45 }
46
47 public static boolean isFiltered(IType type) {
48 TypeFilter typeFilter = getDefault();
49 if (typeFilter.hasFilters()) {
50 return typeFilter.filter(JavaModelUtil.getFullyQualifiedName(type));
51 }
52 return false;
53 }
54
55 public static boolean isFiltered(TypeNameMatch match) {
56 return getDefault().filter(match.getFullyQualifiedName());
57 }
58
59 private StringMatcher[] fStringMatchers;
60
61
64 public TypeFilter() {
65 fStringMatchers= null;
66 PreferenceConstants.getPreferenceStore().addPropertyChangeListener(this);
67 }
68
69 private synchronized StringMatcher[] getStringMatchers() {
70 if (fStringMatchers == null) {
71 String str= PreferenceConstants.getPreferenceStore().getString(PreferenceConstants.TYPEFILTER_ENABLED);
72 StringTokenizer tok= new StringTokenizer (str, ";"); int nTokens= tok.countTokens();
74
75 fStringMatchers= new StringMatcher[nTokens];
76 for (int i= 0; i < nTokens; i++) {
77 String curr= tok.nextToken();
78 if (curr.length() > 0) {
79 fStringMatchers[i]= new StringMatcher(curr, false, false);
80 }
81 }
82 }
83 return fStringMatchers;
84 }
85
86 public void dispose() {
87 PreferenceConstants.getPreferenceStore().removePropertyChangeListener(this);
88 fStringMatchers= null;
89 }
90
91
92 public boolean hasFilters() {
93 return getStringMatchers().length > 0;
94 }
95
96 public boolean filter(String fullTypeName) {
97 StringMatcher[] matchers= getStringMatchers();
98 for (int i= 0; i < matchers.length; i++) {
99 StringMatcher curr= matchers[i];
100 if (curr.match(fullTypeName)) {
101 return true;
102 }
103 }
104 return false;
105 }
106
107
110 public synchronized void propertyChange(PropertyChangeEvent event) {
111 if (PreferenceConstants.TYPEFILTER_ENABLED.equals(event.getProperty())) {
112 fStringMatchers= null;
113 }
114 }
115
116
117 }
118 |
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