001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2012 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * Sonar is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * Sonar is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public
017     * License along with Sonar; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019     */
020    package org.sonar.colorizer;
021    
022    import org.sonar.channel.CodeReader;
023    import org.sonar.channel.EndMatcher;
024    
025    public class JavaAnnotationTokenizer extends Tokenizer {
026    
027      private final String tagBefore;
028      private final String tagAfter;
029    
030      public JavaAnnotationTokenizer(String tagBefore, String tagAfter) {
031        this.tagBefore = tagBefore;
032        this.tagAfter = tagAfter;
033      }
034    
035      private static final EndMatcher END_TOKEN_MATCHER = new EndMatcher() {
036        public boolean match(int endFlag) {
037          return !Character.isJavaIdentifierPart(endFlag);
038        }
039      };
040    
041      @Override
042      public boolean consume(CodeReader code, HtmlCodeBuilder codeBuilder) {
043        if (code.peek() == '@') {
044          codeBuilder.appendWithoutTransforming(tagBefore);
045          code.popTo(END_TOKEN_MATCHER, codeBuilder);
046          codeBuilder.appendWithoutTransforming(tagAfter);
047          return true;
048        } else {
049          return false;
050        }
051      }
052    
053    }