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Java > Open Source Codes > org > sape > carbon > services > exception > GUIExceptionDelegate


1 /*
2  * The contents of this file are subject to the Sapient Public License
3  * Version 1.0 (the "License"); you may not use this file except in compliance
4  * with the License. You may obtain a copy of the License at
5  * http://carbon.sf.net/License.html.
6  *
7  * Software distributed under the License is distributed on an "AS IS" basis,
8  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
9  * the specific language governing rights and limitations under the License.
10  *
11  * The Original Code is The Carbon Component Framework.
12  *
13  * The Initial Developer of the Original Code is Sapient Corporation
14  *
15  * Copyright (C) 2003 Sapient Corporation. All Rights Reserved.
16  */
17
18 package org.sape.carbon.services.exception;
19
20 import org.sape.carbon.core.exception.DefaultExceptionDelegateImpl;
21 import org.sape.carbon.core.util.classify.SeverityEnum;
22
23 /**
24  * <p>This is the template for singleton implementations.</p>
25  *
26  * Copyright 2002 Sapient
27  * @since carbon 1.0
28  * @author Greg Hinkle, January 2002
29  * @version $Revision: 1.7 $($Author: dvoet $ / $Date: 2003/05/05 21:21:25 $)
30  * @stereotype singleton
31  */
32 public class GUIExceptionDelegate extends DefaultExceptionDelegateImpl {
33
34     /**
35      * A local reference to the standard exception viewer. There is only
36      * one viewer used through this static reference and many exceptions are
37      * added to it.
38      */
39     static ExceptionViewer exceptionViewer = null;
40
41     /**
42      * <p>This is a singleton so we have a private constructor to prevent
43      * impropper instantiation.</p>
44      */
45     public GUIExceptionDelegate() {
46
47     }
48
49
50     /**
51      * @inherit
52      */
53     public void handleException() {
54         if ((super.getSeverity() == SeverityEnum.FATAL) ||
55             (super.getSeverity() == SeverityEnum.ERROR) ||
56             (super.getSeverity() == SeverityEnum.WARN) ||
57             (super.getSeverity() == SeverityEnum.INFO)){
58
59             super.handleException();
60
61             if (GUIExceptionDelegate.exceptionViewer == null) {
62                 GUIExceptionDelegate.exceptionViewer = new ExceptionViewer();
63                 GUIExceptionDelegate.exceptionViewer.setSize(500, 450);
64                 GUIExceptionDelegate.exceptionViewer.setVisible(true);
65             } else {
66                 GUIExceptionDelegate.exceptionViewer.setVisible(true);
67             }
68             GUIExceptionDelegate.exceptionViewer.addException(super.getDelegatee());
69
70         } else {
71             super.handleException();
72         }
73     }
74 }
75
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