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    /**
023     * A Term that provides comparisons for integers.
024     *
025     * @version $Rev: 593593 $ $Date: 2007-11-09 12:04:20 -0500 (Fri, 09 Nov 2007) $
026     */
027    public abstract class IntegerComparisonTerm extends ComparisonTerm {
028        protected int number;
029    
030        protected IntegerComparisonTerm(int comparison, int number) {
031            super();
032            this.comparison = comparison;
033            this.number = number;
034        }
035    
036        public int getNumber() {
037            return number;
038        }
039    
040        public int getComparison() {
041            return comparison;
042        }
043    
044        protected boolean match(int match) {
045            switch (comparison) {
046            case EQ:
047                return match == number;
048            case NE:
049                return match != number;
050            case GT:
051                return match > number;
052            case GE:
053                return match >= number;
054            case LT:
055                return match < number;
056            case LE:
057                return match <= number;
058            default:
059                return false;
060            }
061        }
062    
063        public boolean equals(Object other) {
064            if (other == this) return true;
065            if (other instanceof IntegerComparisonTerm == false) return false;
066            final IntegerComparisonTerm term = (IntegerComparisonTerm) other;
067            return this.comparison == term.comparison && this.number == term.number;
068        }
069    
070        public int hashCode() {
071            return number + super.hashCode();
072        }
073    }