1 //----------------------------------------------------------------------
2 //
3 // PerfectJPattern: "Design patterns are good but components are better!"
4 // ImageProxy.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.structural.proxy;
22
23 import java.lang.reflect.*;
24
25 import org.slf4j.*;
26
27 /**
28 * Proxy that control access to Image instances
29 *
30 * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
31 * @version $Revision: 1.0 $Date: Apr 5, 2008 11:57:56 PM $
32 */
33 public
34 class ImageProxy
35 extends AbstractProxy<IGraphic>
36 {
37 //------------------------------------------------------------------------
38 // public
39 //------------------------------------------------------------------------
40 public
41 ImageProxy(IGraphic aComponent)
42 {
43 super(IGraphic.class, aComponent);
44 }
45
46 //------------------------------------------------------------------------
47 @Override
48 protected Object
49 invokeUnderlying(Method aMethod, Object[] anArguments)
50 throws Throwable
51 {
52 if (!theLoaded)
53 {
54 theLogger.debug("Proxy is now loading the Image ...");
55
56 theLoaded = true;
57 }
58
59 return super.invokeUnderlying(aMethod, anArguments);
60 }
61
62 //------------------------------------------------------------------------
63 // protected
64 //------------------------------------------------------------------------
65 protected static void
66 setLogger(Logger aLogger)
67 {
68 theLogger = aLogger;
69 }
70
71 //------------------------------------------------------------------------
72 // members
73 //------------------------------------------------------------------------
74 private boolean theLoaded;
75
76 /**
77 * Provides logging facilities for this class instance
78 */
79 private static Logger theLogger = LoggerFactory.getLogger(Image.class);
80 }