001    /**
002     *
003     * Copyright 2003-2006 The Apache Software Foundation
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    
018    package javax.mail.search;
019    
020    import java.util.Arrays;
021    import javax.mail.Message;
022    
023    /**
024     * @version $Rev: 421852 $ $Date: 2006-07-14 03:02:19 -0700 (Fri, 14 Jul 2006) $
025     */
026    public final class OrTerm extends SearchTerm {
027        protected SearchTerm[] terms;
028    
029        public OrTerm(SearchTerm a, SearchTerm b) {
030            terms = new SearchTerm[]{a, b};
031        }
032    
033        public OrTerm(SearchTerm[] terms) {
034            this.terms = terms;
035        }
036    
037        public SearchTerm[] getTerms() {
038            return terms;
039        }
040    
041        public boolean match(Message message) {
042            for (int i = 0; i < terms.length; i++) {
043                SearchTerm term = terms[i];
044                if (term.match(message)) {
045                    return true;
046                }
047            }
048            return false;
049        }
050    
051        public boolean equals(Object other) {
052            if (other == this) return true;
053            if (other instanceof OrTerm == false) return false;
054            return Arrays.equals(terms, ((OrTerm) other).terms);
055        }
056    
057        public int hashCode() {
058            int hash = 0;
059            for (int i = 0; i < terms.length; i++) {
060                hash = hash * 37 + terms[i].hashCode();
061            }
062            return hash;
063        }
064    }