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      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  */
     16 package org.easymock.internal.matchers;
     17 
     18 import java.io.Serializable;
     19 import java.util.Comparator;
     20 
     21 import org.easymock.IArgumentMatcher;
     22 import org.easymock.LogicalOperator;
     23 
     24 public 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