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 */ 16 package org.easymock.internal.matchers; 17 18 import java.io.Serializable; 19 20 import org.easymock.IArgumentMatcher; 21 import org.easymock.internal.ArgumentToString; 22 23 public class Equals implements IArgumentMatcher, Serializable { 24 25 private static final long serialVersionUID = 583055160049982067L; 26 27 private final Object expected; 28 29 public Equals(Object expected) { 30 this.expected = expected; 31 } 32 33 public boolean matches(Object actual) { 34 if (this.expected == null) { 35 return actual == null; 36 } 37 return expected.equals(actual); 38 } 39 40 public void appendTo(StringBuffer buffer) { 41 ArgumentToString.appendArgument(expected, buffer); 42 } 43 44 protected final Object getExpected() { 45 return expected; 46 } 47 48 @Override 49 public boolean equals(Object o) { 50 if (o == null || !this.getClass().equals(o.getClass())) 51 return false; 52 Equals other = (Equals) o; 53 return this.expected == null && other.expected == null 54 || this.expected != null 55 && this.expected.equals(other.expected); 56 } 57 58 @Override 59 public int hashCode() { 60 throw new UnsupportedOperationException("hashCode() is not supported"); 61 } 62 63 } 64
