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applications:custom_errorhandling [2019/08/06 13:00] admin |
applications:custom_errorhandling [2019/08/06 13:02] admin |
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| ~~Title: Custom error handling~~ | ~~Title: Custom error handling~~ | ||
| - | The application itself implements the IExceptionListener interface and registers itself as listener: | + | The application (ProjX) implements the **IExceptionListener** interface and registers itself as listener: |
| <file java> | <file java> | ||
| Line 13: | Line 13: | ||
| </file> | </file> | ||
| - | All Exceptions will be handled in one method: | + | All Exceptions will be handled in the listener method: |
| <file java> | <file java> | ||
| Line 20: | Line 20: | ||
| </file> | </file> | ||
| - | So, it's very easy to change the default error handling. The default error handling shows a popup dialog with the error message and some details (stack trace). | + | So, it's very easy to change the default error handling which shows a popup dialog with the error message and some details (stack trace). |
| - | As example, we'll show the exceptions directly in the work-screens. So, every work-screen should be able to show error messages. To make this possible, we introduce the following interface: | + | As an example of a custom error handling, we'll show the exceptions directly in the work-screens. So, every work-screen should be able to show error messages. To make this possible, we introduce the following interface: |
| <file java> | <file java> | ||
| Line 30: | Line 30: | ||
| } | } | ||
| </file> | </file> | ||
| - | and all our work-screens should implement it like this example: | + | and all our work-screens should implement the interface, e.g.: |
| <file java> | <file java> | ||