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(/packet) 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}