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      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 
     22 public 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