001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2008-2011 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.api.batch;
021    
022    import org.apache.commons.io.FileUtils;
023    import org.sonar.api.CoreProperties;
024    import org.sonar.api.resources.*;
025    import org.sonar.api.utils.SonarException;
026    
027    import java.io.File;
028    import java.io.IOException;
029    import java.nio.charset.Charset;
030    import java.util.List;
031    
032    /**
033     * A pre-implementation for a sensor that imports sources
034     *
035     * @since 1.10
036     */
037    @Phase(name = Phase.Name.PRE)
038    public abstract class AbstractSourceImporter implements Sensor {
039    
040      /**
041       * @deprecated replaced by CoreProperties.CORE_IMPORT_SOURCES_PROPERTY since 1.11
042       */
043      @Deprecated
044      public static final String KEY_IMPORT_SOURCES = "sonar.importSources";
045    
046      /**
047       * @deprecated replaced by CoreProperties.CORE_IMPORT_SOURCES_DEFAULT_VALUE since 1.11
048       */
049      @Deprecated
050      public static final boolean DEFAULT_IMPORT_SOURCES = true;
051    
052      private Language language;
053    
054      public AbstractSourceImporter(Language language) {
055        this.language = language;
056      }
057    
058      /**
059       * {@inheritDoc}
060       */
061      public boolean shouldExecuteOnProject(Project project) {
062        return isEnabled(project) && language.equals(project.getLanguage());
063      }
064    
065      /**
066       * {@inheritDoc}
067       */
068      public void analyse(Project project, SensorContext context) {
069        analyse(project.getFileSystem(), context);
070        onFinished();
071      }
072    
073      protected void onFinished() {
074    
075      }
076    
077      protected void analyse(ProjectFileSystem fileSystem, SensorContext context) {
078        parseDirs(context, fileSystem.getSourceFiles(language), fileSystem.getSourceDirs(), false, fileSystem.getSourceCharset());
079        parseDirs(context, fileSystem.getTestFiles(language), fileSystem.getTestDirs(), true, fileSystem.getSourceCharset());
080      }
081    
082      protected void parseDirs(SensorContext context, List<File> files, List<File> sourceDirs, boolean unitTest, Charset sourcesEncoding) {
083        for (File file : files) {
084          Resource resource = createResource(file, sourceDirs, unitTest);
085          if (resource != null) {
086            try {
087              String source = FileUtils.readFileToString(file, sourcesEncoding.name());
088              context.index(resource);
089              context.saveSource(resource, source);
090            } catch (IOException e) {
091              throw new SonarException("Unable to read and import the source file : '" + file.getAbsolutePath() + "' with the charset : '"
092                  + sourcesEncoding.name() + "'.", e);
093            }
094          }
095        }
096      }
097    
098      protected Resource createResource(File file, List<File> sourceDirs, boolean unitTest) {
099        org.sonar.api.resources.File resource = org.sonar.api.resources.File.fromIOFile(file, sourceDirs);
100        if (resource != null) {
101          resource.setLanguage(language);
102          if (unitTest) {
103            resource.setQualifier(Qualifiers.UNIT_TEST_FILE);
104          }
105        }
106        return resource;
107      }
108    
109      protected boolean isEnabled(Project project) {
110        return project.getConfiguration().getBoolean(CoreProperties.CORE_IMPORT_SOURCES_PROPERTY,
111            CoreProperties.CORE_IMPORT_SOURCES_DEFAULT_VALUE);
112      }
113    
114      /**
115       * @return the language
116       */
117      public Language getLanguage() {
118        return language;
119      }
120    }