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    
021    package net.sourceforge.pmd.util.filter;
022    
023    /**
024     * A logical OR of a list of Filters. This implementation is short circuiting.
025     * 
026     * @param <T>
027     *            The underlying type on which the filter applies.
028     */
029    public class OrFilter<T> extends AbstractCompoundFilter<T> {
030    
031            public OrFilter() {
032                    super();
033            }
034    
035            public OrFilter(Filter<T>... filters) {
036                    super(filters);
037            }
038    
039            public boolean filter(T obj) {
040                    boolean match = false;
041                    for (Filter<T> filter : filters) {
042                            if (filter.filter(obj)) {
043                                    match = true;
044                                    break;
045                            }
046                    }
047                    return match;
048            }
049    
050            @Override
051            protected String getOperator() {
052                    return "or";
053            }
054    }