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 com.google.common.collect.ImmutableList;
023    import org.sonar.api.issue.Issue;
024    import org.sonar.api.issue.batch.IssueFilter;
025    import org.sonar.api.issue.batch.IssueFilterChain;
026    
027    import java.util.List;
028    
029    public class DefaultIssueFilterChain implements IssueFilterChain {
030    
031      private final List<IssueFilter> filters;
032    
033      public DefaultIssueFilterChain(IssueFilter... filters) {
034        this.filters = ImmutableList.copyOf(filters);
035      }
036    
037      public DefaultIssueFilterChain() {
038        this.filters = ImmutableList.of();
039      }
040    
041      private DefaultIssueFilterChain(List<IssueFilter> filters) {
042        this.filters = filters;
043      }
044    
045      @Override
046      public boolean accept(Issue issue) {
047        if (filters.isEmpty()) {
048          return true;
049        } else {
050          return filters.get(0).accept(issue, new DefaultIssueFilterChain(filters.subList(1, filters.size())));
051        }
052      }
053    }