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1   //----------------------------------------------------------------------
2   // 
3   // PerfectJPattern: "Design patterns are good but components are better!" 
4   // Example.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.adapter;
22  
23  import java.util.*;
24  
25  import org.perfectjpattern.core.api.structural.adapter.*;
26  import org.slf4j.*;
27  
28  /**
29   * Startup Main for the Adapter Pattern Example code
30   * 
31   * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
32   * @version $Revision: 1.0 $Date: Jan 29, 2009 11:48:47 AM $
33   */
34  //CHECKSTYLE:OFF
35  public 
36  class Example
37  //CHECKSTYLE:ON
38  {
39      //------------------------------------------------------------------------
40      // public
41      //------------------------------------------------------------------------
42      public static void 
43      main(String[] anArguments)
44      {
45          //---------------------------------------------------------------
46          // Create List2QueueAdapter instance 
47          //---------------------------------------------------------------
48          List<String> myList = new LinkedList<String>();
49          
50          IAdapter<Queue<String>, List<String>> myAdapter = 
51              new List2QueueAdapter<String>(myList);
52          
53          //---------------------------------------------------------------
54          // Retrieve the Adapter's Target interface view i.e. the Queue 
55          //---------------------------------------------------------------
56          Queue<String> myQueue = myAdapter.getTarget();
57          
58          //---------------------------------------------------------------
59          // Use the Queue as you would normally do, unaware that the 
60          // underlying implementation comes from a List
61          //---------------------------------------------------------------
62          myQueue.offer("Hello");
63          myQueue.add("Adapter");
64          myQueue.offer("World!");
65  
66          String myPollValue = myQueue.poll();
67          theLogger.debug(myPollValue);
68          
69          String myPeekValue = myQueue.peek();
70          theLogger.debug(myPeekValue);
71          
72          theLogger.debug(Arrays.toString(myQueue.toArray()));
73      }
74      
75      //------------------------------------------------------------------------
76      // protected
77      //------------------------------------------------------------------------
78      protected static void
79      setLogger(Logger aLogger)
80      {
81          theLogger = aLogger;
82      }
83  
84      //------------------------------------------------------------------------
85      // members
86      //------------------------------------------------------------------------
87      /**
88       * Provides logging facilities for this class instance 
89       */
90      private static Logger theLogger = LoggerFactory.getLogger(Example.class);
91  }