A wrapper that lets you run a set of tasks and optionally run a different set of tasks if the first set fails and yet another set after the first one has finished.
This mirrors Java's try/catch/finally.
The tasks inside of the required <try>
element will be run. If one of them should throw a BuildException
several things can happen:
<catch> block, the
exception will be passed through to Ant.<catch> block, the tasks
nested into it will be run.If a <finally> block is present, the task
nested into it will be run, no matter whether the first tasks have
thrown an exception or not.
| Attribute | Description | Required |
|---|---|---|
| property | Name of a property that will receive the message of the exception that has been caught (if any) | No. |
| reference | Id of a reference that will point to the exception object that has been caught (if any) | No |
<trycatch property="foo" reference="bar">
<try>
<fail>Tada!</fail>
</try>
<catch>
<echo>In <catch>.</echo>
</catch>
<finally>
<echo>In <finally>.</echo>
</finally>
</trycatch>
<echo>As property: ${foo}</echo>
<property name="baz" refid="bar" />
<echo>From reference: ${baz}</echo>
results in
[trycatch] Caught exception: Tada!
[echo] In <catch>.
[echo] In <finally>.
[echo] As property: Tada!
[echo] From reference: Tada!
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