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Java > Open Source Codes > org > netbeans > lib > lexer > token > ComplexToken


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.lib.lexer.token;
21
22 import org.netbeans.api.lexer.PartType;
23 import org.netbeans.api.lexer.TokenId;
24 import org.netbeans.lib.lexer.LexerUtilsConstants;
25 import org.netbeans.lib.lexer.PreprocessedTextStorage;
26 import org.netbeans.spi.lexer.CharPreprocessor;
27 import org.netbeans.spi.lexer.TokenPropertyProvider;
28
29 /**
30  * Token that holds information about preprocessed characters
31  * and also carries properties.
32  *
33  * <p>
34  * Instances of this token are more costly than other token types
35  * because in addition to regular information they store preprocessed
36  * text of the token.
37  *
38  * @author Miloslav Metelka
39  * @version 1.00
40  */
41
42 public final class ComplexToken<T extends TokenId> extends PreprocessedTextToken<T> {
43
44     private final TokenPropertyProvider propertyProvider; // 36 bytes (32-super + 4)
45
46     private final CharSequence JavaDoc customText; // 40 bytes
47
48     private final PartType partType; // 44 bytes
49
50     public ComplexToken(T id, int length,
51     TokenPropertyProvider propertyProvider, CharSequence JavaDoc customText, PartType partType) {
52         super(id, length);
53         this.propertyProvider = propertyProvider;
54         this.customText = customText;
55         this.partType = partType;
56     }
57
58     @Override JavaDoc
59     public boolean hasProperties() {
60         return (propertyProvider != null);
61     }
62
63     @Override JavaDoc
64     public Object JavaDoc getProperty(Object JavaDoc key) {
65         return (propertyProvider != null) ? propertyProvider.getValue(this, key) : null;
66     }
67     
68     @Override JavaDoc
69     public CharSequence JavaDoc text() {
70         return (customText != null) ? customText : super.text();
71     }
72     
73     @Override JavaDoc
74     public PartType partType() {
75         return partType;
76     }
77
78     @Override JavaDoc
79     protected String JavaDoc dumpInfoTokenType() {
80         return "PPrT"; // NOI18N "PrepToken"
81 }
82     
83 }
84
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