Custom Listeners
On startup, Ant registers all listeners that were specified on the command line with the project. During the build, the listener is notified of several build events and is sent log messages. Ant build events are listed in Table 6.5. Each Ant listener implements the org.apache.tools.ant.BuildListener interface. To build our own custom listener, all we need to do is implement that interface.
| Event | Timing |
|---|---|
| Build Started | Fired at the beginning of the build |
| Build Finished | Fired on completion of the build |
| Target Started | Fired when a target is started |
| Target Finished | Fired when a target is started |
| Task Started | Fired when a task has been started |
| Task Finished | Fired when a task completes |
| Log Message | Fired ... |
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