001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2009 SonarSource SA
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.api.batch;
021    
022    import org.apache.commons.io.FileUtils;
023    import org.sonar.api.CoreProperties;
024    import org.sonar.api.resources.Language;
025    import org.sonar.api.resources.Project;
026    import org.sonar.api.resources.ProjectFileSystem;
027    import org.sonar.api.resources.Resource;
028    import org.sonar.api.utils.SonarException;
029    
030    import java.io.File;
031    import java.io.IOException;
032    import java.nio.charset.Charset;
033    import java.util.List;
034    
035    /**
036     * @since 1.10
037     */
038    @Phase(name = Phase.Name.PRE)
039    public abstract class AbstractSourceImporter implements Sensor {
040    
041      private Language language;
042    
043      public AbstractSourceImporter(Language language) {
044        this.language = language;
045      }
046    
047      public boolean shouldExecuteOnProject(Project project) {
048        return isEnabled(project) && language.equals(project.getLanguage());
049      }
050    
051      public void analyse(Project project, SensorContext context) {
052        try {
053          analyse(project.getFileSystem(), context);
054    
055        } catch (IOException e) {
056          throw new SonarException("Parsing source files", e);
057        }
058      }
059    
060      protected void analyse(ProjectFileSystem fileSystem, SensorContext context) throws IOException {
061        parseDirs(context, fileSystem.getSourceFiles(language), fileSystem.getSourceDirs(), false, fileSystem.getSourceCharset());
062        parseDirs(context, fileSystem.getTestFiles(language), fileSystem.getTestDirs(), true, fileSystem.getSourceCharset());
063      }
064    
065      protected void parseDirs(SensorContext context, List<File> files, List<File> sourceDirs, boolean unitTest, Charset sourcesEncoding) throws IOException {
066        for (File file : files) {
067          Resource resource = createResource(file, sourceDirs, unitTest);
068          if (resource != null) {
069            String source = FileUtils.readFileToString(file, sourcesEncoding.name());
070            context.saveSource(resource, source);
071          }
072        }
073      }
074    
075      protected Resource createResource(File file, List<File> sourceDirs, boolean unitTest) {
076        org.sonar.api.resources.File resource = org.sonar.api.resources.File.fromIOFile(file, sourceDirs);
077        if (resource != null) {
078          resource.setLanguage(language);
079        }
080        return resource;
081      }
082    
083      protected boolean isEnabled(Project project) {
084        return project.getConfiguration().getBoolean(CoreProperties.CORE_IMPORT_SOURCES_PROPERTY, CoreProperties.CORE_IMPORT_SOURCES_DEFAULT_VALUE);
085      }
086    }