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25 package sun.swing.plaf.synth;
26 
27 import javax.swing.plaf.synth.*;
28 import java.util.*;
29 import java.util.regex.*;
30 
31 /**
32  * <b>WARNING:</b> This class is an implementation detail and is only
33  * public so that it can be used by two packages. You should NOT consider
34  * this public API.
35  * <p>
36  * StyleAssociation is used to lookup a style for a particular
37  * component (or region).
38  *
39  * @author Scott Violet
40  */
41 public class StyleAssociation {
42     /**
43      * The style
44      */
45     private SynthStyle _style;
46 
47     /**
48      * Pattern used for matching.
49      */
50     private Pattern _pattern;
51     /**
52      * Matcher used for testing if path matches that of pattern.
53      */
54     private Matcher _matcher;
55 
56     /**
57      * Identifier for this association.
58      */
59     private int _id;
60 
61 
62     /**
63      * Returns a StyleAssociation that can be used to determine if
64      * a particular string matches the returned association.
65      */
createStyleAssociation( String text, SynthStyle style)66     public static StyleAssociation createStyleAssociation(
67         String text, SynthStyle style)
68         throws PatternSyntaxException {
69         return createStyleAssociation(text, style, 0);
70     }
71 
72     /**
73      * Returns a StyleAssociation that can be used to determine if
74      * a particular string matches the returned association.
75      */
createStyleAssociation( String text, SynthStyle style, int id)76     public static StyleAssociation createStyleAssociation(
77         String text, SynthStyle style, int id)
78         throws PatternSyntaxException {
79         return new StyleAssociation(text, style, id);
80     }
81 
82 
StyleAssociation(String text, SynthStyle style, int id)83     private StyleAssociation(String text, SynthStyle style, int id)
84                  throws PatternSyntaxException {
85         _style = style;
86         _pattern = Pattern.compile(text);
87         _id = id;
88     }
89 
90     /**
91      * Returns the developer specified identifier for this association, will
92      * be <code>0</code> if an identifier was not specified when this
93      * <code>StyleAssociation</code> was created.
94      */
getID()95     public int getID() {
96         return _id;
97     }
98 
99     /**
100      * Returns true if this <code>StyleAssociation</code> matches the
101      * passed in CharSequence.
102      *
103      * @return true if this <code>StyleAssociation</code> matches the
104      * passed in CharSequence.if this StyleAssociation.
105      */
matches(CharSequence path)106     public synchronized boolean matches(CharSequence path) {
107         if (_matcher == null) {
108             _matcher = _pattern.matcher(path);
109         }
110         else {
111             _matcher.reset(path);
112         }
113         return _matcher.matches();
114     }
115 
116     /**
117      * Returns the text used in matching the string.
118      *
119      * @return the text used in matching the string.
120      */
getText()121     public String getText() {
122         return _pattern.pattern();
123     }
124 
125     /**
126      * Returns the style this association is mapped to.
127      *
128      * @return the style this association is mapped to.
129      */
getStyle()130     public SynthStyle getStyle() {
131         return _style;
132     }
133 }
134