Clover coverage report - groovy - 1.0-beta-8
Coverage timestamp: Fri Dec 17 2004 14:55:55 GMT
file stats: LOC: 95   Methods: 3
NCLOC: 31   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ClosureListener.java 0% 0% 0% 0%
coverage
 1   
 /*
 2   
  * $Id: ClosureListener.java,v 1.1 2004/01/05 07:13:07 jstrachan Exp $
 3   
  * 
 4   
  * Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
 5   
  * 
 6   
  * Redistribution and use of this software and associated documentation
 7   
  * ("Software"), with or without modification, are permitted provided that the
 8   
  * following conditions are met: 1. Redistributions of source code must retain
 9   
  * copyright statements and notices. Redistributions must also contain a copy
 10   
  * of this document. 2. Redistributions in binary form must reproduce the above
 11   
  * copyright notice, this list of conditions and the following disclaimer in
 12   
  * the documentation and/or other materials provided with the distribution. 3.
 13   
  * The name "groovy" must not be used to endorse or promote products derived
 14   
  * from this Software without prior written permission of The Codehaus. For
 15   
  * written permission, please contact info@codehaus.org. 4. Products derived
 16   
  * from this Software may not be called "groovy" nor may "groovy" appear in
 17   
  * their names without prior written permission of The Codehaus. "groovy" is a
 18   
  * registered trademark of The Codehaus. 5. Due credit should be given to The
 19   
  * Codehaus - http://groovy.codehaus.org/
 20   
  * 
 21   
  * THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
 22   
  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 23   
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 24   
  * DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
 25   
  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 26   
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 27   
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 28   
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 29   
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 30   
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 31   
  * DAMAGE.
 32   
  *  
 33   
  */
 34   
 package org.codehaus.groovy.runtime;
 35   
 
 36   
 import groovy.lang.Closure;
 37   
 
 38   
 import java.lang.reflect.InvocationHandler;
 39   
 import java.lang.reflect.Method;
 40   
 
 41   
 /**
 42   
  * Represents a method on an object using a closure which can be invoked at any
 43   
  * time
 44   
  * 
 45   
  * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 46   
  * @version $Revision: 1.1 $
 47   
  */
 48   
 public class ClosureListener implements InvocationHandler {
 49   
 
 50   
     private String listenerMethodName;
 51   
     private Closure closure;
 52   
 
 53  0
     public ClosureListener(String listenerMethodName, Closure closure) {
 54  0
         this.listenerMethodName = listenerMethodName;
 55  0
         this.closure = closure;
 56   
     }
 57   
 
 58  0
     public Object invoke(Object object, Method method, Object[] arguments) throws Throwable {
 59  0
         if (listenerMethodName.equals(method.getName())) {
 60   
             /** @todo hack! */
 61  0
             closure.call(arguments[0]);
 62  0
             return null;
 63   
         }
 64   
 
 65   
         // lets try call this object
 66  0
         String name = method.getName();
 67  0
         if (name.equals("equals")) {
 68  0
             return object == arguments[0] ? Boolean.TRUE : Boolean.FALSE;
 69   
         }
 70  0
         else if (name.equals("hashCode")) {
 71  0
             return new Integer(hashCode());
 72   
         }
 73  0
         else if (name.equals("toString")) {
 74  0
             return super.toString() + "[listener:" + listenerMethodName + "]";
 75   
         }
 76   
 
 77   
         /*
 78   
          * int paramCount = method.getParameterTypes().length;
 79   
          * 
 80   
          * System.out.println("Now calling method: " + method);
 81   
          * 
 82   
          * Method[] methods = Object.class.getMethods(); for (int i = 0; i
 83   
          * < methods.length; i++ ) { Method aMethod = methods[i]; if
 84   
          * (name.equals(aMethod.getName()) &&
 85   
          * aMethod.getParameterTypes().length == paramCount) { return
 86   
          * aMethod.invoke(object, arguments); } }
 87   
          */
 88  0
         return null;
 89   
     }
 90   
 
 91  0
     public boolean equals(Object that) {
 92  0
         return this == that;
 93   
     }
 94   
 
 95   
 }