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      1 /*
      2  * Copyright (c) 2007 Mockito contributors
      3  * This program is made available under the terms of the MIT License.
      4  */
      5 package org.mockito.internal.matchers;
      6 
      7 import java.io.Serializable;
      8 import java.util.LinkedList;
      9 import java.util.List;
     10 
     11 import org.hamcrest.Description;
     12 import org.mockito.ArgumentMatcher;
     13 import org.mockito.exceptions.Reporter;
     14 
     15 @SuppressWarnings("unchecked")
     16 public class CapturingMatcher<T> extends ArgumentMatcher<T> implements CapturesArguments, Serializable {
     17 
     18     private static final long serialVersionUID = 4274067078639307295L;
     19     private LinkedList<Object> arguments = new LinkedList<Object>();
     20 
     21     /* (non-Javadoc)
     22      * @see org.mockito.ArgumentMatcher#matches(java.lang.Object)
     23      */
     24     public boolean matches(Object argument) {
     25         return true;
     26     }
     27 
     28     /* (non-Javadoc)
     29      * @see org.mockito.ArgumentMatcher#describeTo(org.hamcrest.Description)
     30      */
     31     public void describeTo(Description description) {
     32         description.appendText("<Capturing argument>");
     33     }
     34 
     35     public T getLastValue() {
     36         if (arguments.isEmpty()) {
     37             new Reporter().noArgumentValueWasCaptured();
     38             return null;
     39         } else {
     40             return (T) arguments.getLast();
     41         }
     42     }
     43 
     44     public List<T> getAllValues() {
     45         return (List) arguments;
     46     }
     47 
     48     public void captureFrom(Object argument) {
     49         this.arguments.add(argument);
     50     }
     51 }