1/*
2 * Copyright 2001-2009 OFFIS, Henri Tremblay
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.easymock.internal.matchers;
17
18import java.io.Serializable;
19import java.util.Comparator;
20
21import org.easymock.IArgumentMatcher;
22import org.easymock.LogicalOperator;
23
24public class Compare<T> implements IArgumentMatcher, Serializable {
25
26    private static final long serialVersionUID = -4859402739599754147L;
27
28    private T expected;
29
30    private Comparator<? super T> comparator;
31
32    private LogicalOperator operator;
33
34    public Compare(T expected, Comparator<? super T> comparator, LogicalOperator result) {
35        this.expected = expected;
36        this.comparator = comparator;
37        this.operator = result;
38    }
39
40    public void appendTo(StringBuffer buffer) {
41        buffer.append(comparator + "(" + expected + ") " + operator.getSymbol()
42                + " 0");
43    }
44
45    @SuppressWarnings("unchecked")
46    public boolean matches(Object actual) {
47        if(actual == null) {
48            return false;
49        }
50        return operator.matchResult(comparator.compare((T) actual, expected));
51    }
52
53}
54