001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package javax.mail.search;
021    
022    import java.util.Arrays;
023    import javax.mail.Message;
024    
025    /**
026     * @version $Rev: 920714 $ $Date: 2010-03-09 01:55:49 -0500 (Tue, 09 Mar 2010) $
027     */
028    public final class OrTerm extends SearchTerm {
029            
030            private static final long serialVersionUID = 5380534067523646936L;
031            
032        protected SearchTerm[] terms;
033    
034        public OrTerm(SearchTerm a, SearchTerm b) {
035            terms = new SearchTerm[]{a, b};
036        }
037    
038        public OrTerm(SearchTerm[] terms) {
039            this.terms = terms;
040        }
041    
042        public SearchTerm[] getTerms() {
043            return terms;
044        }
045    
046        public boolean match(Message message) {
047            for (int i = 0; i < terms.length; i++) {
048                SearchTerm term = terms[i];
049                if (term.match(message)) {
050                    return true;
051                }
052            }
053            return false;
054        }
055    
056        public boolean equals(Object other) {
057            if (other == this) return true;
058            if (other instanceof OrTerm == false) return false;
059            return Arrays.equals(terms, ((OrTerm) other).terms);
060        }
061    
062        public int hashCode() {
063            int hash = 0;
064            for (int i = 0; i < terms.length; i++) {
065                hash = hash * 37 + terms[i].hashCode();
066            }
067            return hash;
068        }
069    }