Clover Coverage Report - perfectjpattern(Aggregated)
Coverage timestamp: Sat Feb 28 2009 14:35:07 CET
Overview   Package   File
    FRAMES   NO FRAMES     
../../../../../img/srcFileCovDistChart10.png 0% of files have more coverage
15   123   3   5
0   43   0.2   3
3     1  
1    
 
  ObserverProxy       Line # 45 15 0% 3 0 100% 1.0
 
  (2)
 
1    //----------------------------------------------------------------------
2    //
3    // PerfectJPattern: "Design patterns are good but components are better!"
4    // Observer.java Copyright (c) 2009 Giovanni Azua Garcia
5    // bravegag@hotmail.com
6    //
7    // This program is free software; you can redistribute it and/or
8    // modify it under the terms of the GNU General Public License
9    // as published by the Free Software Foundation; either version 3
10    // of the License, or (at your option) any later version.
11    //
12    // This program is distributed in the hope that it will be useful,
13    // but WITHOUT ANY WARRANTY; without even the implied warranty of
14    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15    // GNU General Public License for more details.
16    //
17    // You should have received a copy of the GNU General Public License
18    // along with this program; if not, see <http://www.gnu.org/licenses/>.
19    //
20    //----------------------------------------------------------------------
21    package org.perfectjpattern.core.behavioral.observer;
22   
23    import org.apache.commons.lang.*;
24    import org.perfectjpattern.core.api.behavioral.observer.*;
25    import org.perfectjpattern.core.api.extras.delegate.*;
26    import org.perfectjpattern.core.extras.delegate.*;
27   
28   
29    /**
30    * Implementation of <code>IObserver</code> interface that acts as a Proxy to
31    * any plain non-Observer class type. Makes possible to have any given class
32    * type to Observe more than one type of Subject without <code>update</code>
33    * method name and signature clash.
34    *
35    * @see IObserver
36    *
37    * @param <E> Type of event data that this <code>IObserver</code> subscribes
38    * to.
39    *
40    * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
41    * @version $Revision: 1.0 $ $Date: Jul 1, 2007 5:20:12 AM $
42    */
43    @SuppressWarnings("unchecked")
44    public final
 
45    class ObserverProxy<E>
46    implements IObserver<E>
47    {
48    //------------------------------------------------------------------------
49    // public
50    //------------------------------------------------------------------------
51    /**
52    * Constructs <code>ObserverProxy</code> from a target instance
53    *
54    * @param anObject Target Object that will handle the notification message
55    * @param aMethodName Target method implemented in anObject that will
56    * handle notification messages
57    * @param aParameters Type of parameters passed in notification events e.g.
58    * changed state etc
59    */
 
60  3 toggle public
61    ObserverProxy(Object anObject, String aMethodName, Class... aParameters)
62    {
63  3 Validate.notNull(anObject, "'anObject' must not be null");
64  3 Validate.notNull(aMethodName, "'aMethodName' must not be null");
65  3 Validate.isTrue(aMethodName.length() > 0,
66    "'aMethodName' must not be empty");
67  3 Validate.notNull(aParameters, "'aParameters' must not be null");
68   
69    // assumes that return type is void
70  3 Class myReturnType = void.class;
71   
72    // create the delegate interface based on the DynamicDelegator
73  3 DynamicDelegator myDelegator = new DynamicDelegator(myReturnType,
74    aParameters);
75   
76  3 theDelegate = myDelegator.build(anObject, aMethodName);
77    }
78   
79    //------------------------------------------------------------------------
80    /**
81    * Constructs <code>ObserverProxy</code> from a target static class
82    *
83    * @param aClass Target helper static class that will handle the
84    * notification message
85    * @param aMethodName Target static method implemented in aClass that will
86    * handle notification messages
87    * @param aParameters Type of parameters passed in notification events e.g.
88    * changed state etc
89    */
 
90  1 toggle public
91    ObserverProxy(Class aClass, String aMethodName, Class... aParameters)
92    {
93  1 Validate.notNull(aClass, "'aClass' must not be null");
94  1 Validate.notNull(aMethodName, "'aMethodName' must not be null");
95  1 Validate.isTrue(aMethodName.length() > 0,
96    "'aMethodName' must not be empty");
97  1 Validate.notNull(aParameters, "'aParameters' must not be null");
98   
99    // assumes that return type is void
100  1 Class myReturnType = void.class;
101   
102    // create the delegate interface based on the DynamicDelegator
103  1 DynamicDelegator myDelegator = new DynamicDelegator(myReturnType,
104    aParameters);
105   
106  1 theDelegate = myDelegator.build(aClass, aMethodName);
107    }
108   
109    //------------------------------------------------------------------------
110    /**
111    * {@inheritDoc}
112    */
 
113  5 toggle public void
114    update(E anEventData)
115    {
116  5 theDelegate.invoke(anEventData);
117    }
118   
119    //------------------------------------------------------------------------
120    // members
121    //------------------------------------------------------------------------
122    private final IDelegate theDelegate;
123    }
 
CloverReport generated by Clover Code Coverage v2.4.2
Sat Feb 28 2009 14:35:10 CET.		   Clover: Open Source License registered to perfectjpattern.