1/*
2 * Copyright 2001-2009 OFFIS, Tammo Freese
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;
19
20import org.easymock.IArgumentMatcher;
21
22public abstract class CompareTo<T extends Comparable<T>> implements IArgumentMatcher, Serializable {
23
24    private static final long serialVersionUID = -8447010713532143168L;
25
26    private final Comparable<T> expected;
27
28    public CompareTo(Comparable<T> value) {
29        this.expected = value;
30    }
31
32    @SuppressWarnings("unchecked")
33    public boolean matches(Object actual) {
34
35        if(!(actual instanceof Comparable)) {
36            return false;
37        }
38
39        return matchResult(((Comparable) actual).compareTo(expected));
40    }
41
42    public void appendTo(StringBuffer buffer) {
43        buffer.append(getName() + "(" + expected + ")");
44    }
45
46    protected abstract String getName();
47
48    protected abstract boolean matchResult(int result);
49}
50