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Java > Open Source Codes > nextapp > echo2 > testapp > thousandmonkeys > factories > GenericFactory


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * the License. You may obtain a copy of the License at
10  * http://www.mozilla.org/MPL/
11  *
12  * Software distributed under the License is distributed on an "AS IS" basis,
13  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14  * for the specific language governing rights and limitations under the
15  * License.
16  *
17  * Alternatively, the contents of this file may be used under the terms of
18  * either the GNU General Public License Version 2 or later (the "GPL"), or
19  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20  * in which case the provisions of the GPL or the LGPL are applicable instead
21  * of those above. If you wish to allow use of your version of this file only
22  * under the terms of either the GPL or the LGPL, and not to allow others to
23  * use your version of this file under the terms of the MPL, indicate your
24  * decision by deleting the provisions above and replace them with the notice
25  * and other provisions required by the GPL or the LGPL. If you do not delete
26  * the provisions above, a recipient may use your version of this file under
27  * the terms of any one of the MPL, the GPL or the LGPL.
28  */
29
30 package nextapp.echo2.testapp.thousandmonkeys.factories;
31
32 import nextapp.echo2.app.Color;
33 import nextapp.echo2.app.Component;
34 import nextapp.echo2.testapp.thousandmonkeys.ComponentFactory;
35
36 /**
37  * A generic <code>ComponentFactory</code> that creates/configures arbitrary
38  * <code>Component</code>s.
39  */
40 public class GenericFactory
41 implements ComponentFactory {
42
43     /**
44      * The <code>Class</code> of the <code>Component</code> to create.
45      */
46     private Class JavaDoc componentClass;
47     
48     /**
49      * Creates a new <code>GenericFactory</code>.
50      *
51      * @param componentClass the <code>Class</code> of the
52      * <code>Component</code> to create
53      */
54     public GenericFactory(Class JavaDoc componentClass) {
55         super();
56         this.componentClass = componentClass;
57     }
58     
59     /**
60      * @see nextapp.echo2.testapp.thousandmonkeys.ComponentFactory#newInstance()
61      */
62     public Component newInstance() {
63         try {
64             Component component = (Component) componentClass.newInstance();
65             switch ((int) (Math.random() * 3)) {
66             case 1:
67                 component.setForeground(new Color((int) (16777216 * Math.random()) & 0x7f7f7f));
68                 component.setBackground(new Color((int) (16777216 * Math.random()) | 0xb0b0b0));
69                 break;
70             case 2:
71                 component.setBackground(new Color((int) (16777216 * Math.random())));
72                 break;
73             case 3:
74                 component.setForeground(new Color((int) (16777216 * Math.random())));
75                 break;
76             }
77             return component;
78         } catch (InstantiationException JavaDoc ex) {
79             throw new RuntimeException JavaDoc(ex);
80         } catch (IllegalAccessException JavaDoc ex) {
81             throw new RuntimeException JavaDoc(ex);
82         }
83     }
84 }
85
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