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.scan2;
021    
022    import com.google.common.base.Preconditions;
023    import org.sonar.api.batch.fs.FileSystem;
024    import org.sonar.api.batch.fs.InputFile;
025    import org.sonar.api.batch.fs.internal.DefaultInputFile;
026    import org.sonar.api.batch.rule.ActiveRules;
027    import org.sonar.api.batch.sensor.SensorContext;
028    import org.sonar.api.batch.sensor.duplication.DuplicationBuilder;
029    import org.sonar.api.batch.sensor.duplication.DuplicationGroup;
030    import org.sonar.api.batch.sensor.duplication.DuplicationTokenBuilder;
031    import org.sonar.api.batch.sensor.duplication.internal.DefaultDuplicationBuilder;
032    import org.sonar.api.batch.sensor.highlighting.HighlightingBuilder;
033    import org.sonar.api.batch.sensor.issue.IssueBuilder;
034    import org.sonar.api.batch.sensor.issue.internal.DefaultIssueBuilder;
035    import org.sonar.api.batch.sensor.measure.MeasureBuilder;
036    import org.sonar.api.batch.sensor.measure.internal.DefaultMeasureBuilder;
037    import org.sonar.api.batch.sensor.symbol.SymbolTableBuilder;
038    import org.sonar.api.config.Settings;
039    import org.sonar.batch.duplication.BlockCache;
040    import org.sonar.batch.duplication.DefaultTokenBuilder;
041    import org.sonar.batch.duplication.DuplicationCache;
042    import org.sonar.batch.highlighting.DefaultHighlightingBuilder;
043    import org.sonar.batch.index.ComponentDataCache;
044    import org.sonar.batch.scan.SensorContextAdaptor;
045    import org.sonar.batch.symbol.DefaultSymbolTableBuilder;
046    import org.sonar.duplications.internal.pmd.PmdBlockChunker;
047    
048    import java.io.Serializable;
049    import java.util.List;
050    
051    /**
052     * Common bits between {@link DefaultSensorContext} and {@link SensorContextAdaptor}
053     * @author julien
054     *
055     */
056    public abstract class BaseSensorContext implements SensorContext {
057    
058      private final Settings settings;
059      private final FileSystem fs;
060      private final ActiveRules activeRules;
061      private final ComponentDataCache componentDataCache;
062      private final BlockCache blockCache;
063      private final DuplicationCache duplicationCache;
064    
065      protected BaseSensorContext(Settings settings, FileSystem fs, ActiveRules activeRules, ComponentDataCache componentDataCache,
066        BlockCache blockCache, DuplicationCache duplicationCache) {
067        this.settings = settings;
068        this.fs = fs;
069        this.activeRules = activeRules;
070        this.componentDataCache = componentDataCache;
071        this.blockCache = blockCache;
072        this.duplicationCache = duplicationCache;
073      }
074    
075      @Override
076      public Settings settings() {
077        return settings;
078      }
079    
080      @Override
081      public FileSystem fileSystem() {
082        return fs;
083      }
084    
085      @Override
086      public ActiveRules activeRules() {
087        return activeRules;
088      }
089    
090      @Override
091      public <G extends Serializable> MeasureBuilder<G> measureBuilder() {
092        return new DefaultMeasureBuilder<G>();
093      }
094    
095      @Override
096      public IssueBuilder issueBuilder() {
097        return new DefaultIssueBuilder();
098      }
099    
100      @Override
101      public HighlightingBuilder highlightingBuilder(InputFile inputFile) {
102        return new DefaultHighlightingBuilder(((DefaultInputFile) inputFile).key(), componentDataCache);
103      }
104    
105      @Override
106      public SymbolTableBuilder symbolTableBuilder(InputFile inputFile) {
107        return new DefaultSymbolTableBuilder(((DefaultInputFile) inputFile).key(), componentDataCache);
108      }
109    
110      @Override
111      public DuplicationTokenBuilder duplicationTokenBuilder(InputFile inputFile) {
112        PmdBlockChunker blockChunker = new PmdBlockChunker(getBlockSize(inputFile.language()));
113    
114        return new DefaultTokenBuilder(inputFile, blockCache, blockChunker);
115      }
116    
117      @Override
118      public DuplicationBuilder duplicationBuilder(InputFile inputFile) {
119        return new DefaultDuplicationBuilder(inputFile);
120      }
121    
122      @Override
123      public void saveDuplications(InputFile inputFile, List<DuplicationGroup> duplications) {
124        Preconditions.checkState(!duplications.isEmpty(), "Empty duplications");
125        String effectiveKey = ((DefaultInputFile) inputFile).key();
126        for (DuplicationGroup duplicationGroup : duplications) {
127          Preconditions.checkState(effectiveKey.equals(duplicationGroup.originBlock().resourceKey()), "Invalid duplication group");
128        }
129        duplicationCache.put(effectiveKey, duplications);
130      }
131    
132      private int getBlockSize(String languageKey) {
133        int blockSize = settings.getInt("sonar.cpd." + languageKey + ".minimumLines");
134        if (blockSize == 0) {
135          blockSize = getDefaultBlockSize(languageKey);
136        }
137        return blockSize;
138      }
139    
140      private static int getDefaultBlockSize(String languageKey) {
141        if ("cobol".equals(languageKey)) {
142          return 30;
143        } else if ("abap".equals(languageKey) || "natur".equals(languageKey)) {
144          return 20;
145        } else {
146          return 10;
147        }
148      }
149    
150    }