001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041:
042: package org.netbeans.lib.lexer.lang;
043:
044: import java.util.Collection;
045: import java.util.EnumSet;
046: import java.util.HashMap;
047: import java.util.Map;
048: import org.netbeans.api.lexer.Language;
049: import org.netbeans.api.lexer.TokenId;
050: import org.netbeans.spi.lexer.LanguageHierarchy;
051: import org.netbeans.spi.lexer.Lexer;
052: import org.netbeans.spi.lexer.LexerRestartInfo;
053:
054: /**
055: * Language that changes dynamically to test Language.refresh().
056: *
057: * @author Miloslav Metelka
058: */
059: public enum TestChangingTokenId implements TokenId {
060:
061: TEXT, // any text
062: A; // "a"; added after change only
063:
064: private final String primaryCategory;
065:
066: TestChangingTokenId() {
067: this (null);
068: }
069:
070: TestChangingTokenId(String primaryCategory) {
071: this .primaryCategory = primaryCategory;
072: }
073:
074: public String primaryCategory() {
075: return primaryCategory;
076: }
077:
078: private static boolean changed;
079:
080: private static Language<TestChangingTokenId> createLanguage() {
081: return new LanguageHierarchy<TestChangingTokenId>() {
082: @Override
083: protected Collection<TestChangingTokenId> createTokenIds() {
084: return changed ? EnumSet
085: .allOf(TestChangingTokenId.class) : EnumSet
086: .of(TEXT);
087: }
088:
089: @Override
090: protected Map<String, Collection<TestChangingTokenId>> createTokenCategories() {
091: Map<String, Collection<TestChangingTokenId>> cats = null;
092: if (changed) {
093: cats = new HashMap<String, Collection<TestChangingTokenId>>();
094: cats.put("test", EnumSet.of(A));
095: }
096: return cats;
097: }
098:
099: @Override
100: protected Lexer<TestChangingTokenId> createLexer(
101: LexerRestartInfo<TestChangingTokenId> info) {
102: return null;
103: }
104:
105: @Override
106: protected String mimeType() {
107: return MIME_TYPE;
108: }
109: }.language();
110: }
111:
112: private static Language<TestChangingTokenId> language;
113:
114: public static Language<TestChangingTokenId> language() {
115: if (language == null)
116: language = createLanguage();
117: return language;
118: }
119:
120: public static void change() {
121: changed = true;
122: language = null;
123: }
124:
125: public static final String MIME_TYPE = "text/x-changing";
126:
127: }
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