001    /*
002     * SonarQube, open source software quality management tool.
003     * Copyright (C) 2008-2014 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * SonarQube 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     * SonarQube 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 License
017     * along with this program; if not, write to the Free Software Foundation,
018     * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019     */
020    package org.sonar.batch.highlighting;
021    
022    import org.sonar.api.batch.sensor.highlighting.TypeOfText;
023    
024    import com.google.common.base.Preconditions;
025    import org.sonar.api.batch.sensor.highlighting.HighlightingBuilder;
026    import org.sonar.batch.index.ComponentDataCache;
027    import org.sonar.core.source.SnapshotDataTypes;
028    
029    public class DefaultHighlightingBuilder implements HighlightingBuilder {
030    
031      private final SyntaxHighlightingDataBuilder builder;
032      private String componentKey;
033      private ComponentDataCache cache;
034      private boolean done = false;
035    
036      public DefaultHighlightingBuilder(String componentKey, ComponentDataCache cache) {
037        this.componentKey = componentKey;
038        this.cache = cache;
039        this.builder = new SyntaxHighlightingDataBuilder();
040      }
041    
042      @Override
043      public HighlightingBuilder highlight(int startOffset, int endOffset, TypeOfText typeOfText) {
044        Preconditions.checkState(!done, "done() already called");
045        builder.registerHighlightingRule(startOffset, endOffset, typeOfText);
046        return this;
047      }
048    
049      @Override
050      public void done() {
051        Preconditions.checkState(!done, "done() already called");
052        cache.setData(componentKey, SnapshotDataTypes.SYNTAX_HIGHLIGHTING, builder.build());
053      }
054    }