001/**
002 *
003 * Copyright 2003-2007 Jive Software.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.jivesoftware.smack.filter;
019
020import org.jivesoftware.smack.packet.Stanza;
021
022/**
023 * Implements the logical OR operation over two or more stanza filters. In
024 * other words, packets pass this filter if they pass <b>any</b> of the filters.
025 *
026 * @author Matt Tucker
027 */
028public class OrFilter extends AbstractListFilter implements StanzaFilter {
029
030    /**
031     * Creates an empty OR filter. Filters should be added using the
032     * {@link #addFilter(StanzaFilter)} method.
033     */
034    public OrFilter() {
035        super();
036    }
037
038    /**
039     * Creates an OR filter using the specified filters.
040     *
041     * @param filters the filters to add.
042     */
043    public OrFilter(StanzaFilter... filters) {
044        super(filters);
045    }
046
047    @Override
048    public boolean accept(Stanza packet) {
049        for (StanzaFilter filter : filters) {
050            if (filter.accept(packet)) {
051                return true;
052            }
053        }
054        return false;
055    }
056
057}