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.issue;
021    
022    import org.sonar.api.component.Component;
023    import org.sonar.api.issue.Issuable;
024    import org.sonar.api.resources.Scopes;
025    import org.sonar.batch.ProjectTree;
026    import org.sonar.core.component.PerspectiveBuilder;
027    import org.sonar.core.component.ResourceComponent;
028    
029    import javax.annotation.CheckForNull;
030    
031    /**
032     * Create the perspective {@link Issuable} on components.
033     * @since 3.6
034     */
035    public class IssuableFactory extends PerspectiveBuilder<Issuable> {
036    
037      private final ModuleIssues moduleIssues;
038      private final IssueCache cache;
039      private final ProjectTree projectTree;
040    
041      public IssuableFactory(ModuleIssues moduleIssues, IssueCache cache, ProjectTree projectTree) {
042        super(Issuable.class);
043        this.moduleIssues = moduleIssues;
044        this.cache = cache;
045        this.projectTree = projectTree;
046      }
047    
048      @CheckForNull
049      @Override
050      protected Issuable loadPerspective(Class<Issuable> perspectiveClass, Component component) {
051        boolean supported = true;
052        if (component instanceof ResourceComponent) {
053          supported = Scopes.isHigherThanOrEquals(((ResourceComponent) component).scope(), Scopes.FILE);
054        }
055        return supported ? new DefaultIssuable(component, projectTree.getRootProject(), moduleIssues, cache) : null;
056      }
057    }