InstanceOf.java revision 47d431f63a66505a645f282416659a9758a91f1c 
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 class InstanceOf implements IArgumentMatcher, Serializable {
23
24    private static final long serialVersionUID = -551735356674347591L;
25
26    private final Class<?> clazz;
27
28    public InstanceOf(Class<?> clazz) {
29        this.clazz = clazz;
30    }
31
32    public boolean matches(Object actual) {
33        return (actual != null) && clazz.isAssignableFrom(actual.getClass());
34    }
35
36    public void appendTo(StringBuffer buffer) {
37        buffer.append("isA(" + clazz.getName() + ")");
38    }
39}
40