Author: jglick
Date: Fri Feb 24 16:50:48 2006
New Revision: 380876
URL: http://svn.apache.org/viewcvs?rev=380876&view=rev
Log:
More helpful diagnostic message for an obscure mistake I once made...
Modified:
ant/core/trunk/src/main/org/apache/tools/ant/ComponentHelper.java
Modified: ant/core/trunk/src/main/org/apache/tools/ant/ComponentHelper.java
URL:
http://svn.apache.org/viewcvs/ant/core/trunk/src/main/org/apache/tools/ant/ComponentHelper.java?rev=380876&r1=380875&r2=380876&view=diff
==============================================================================
--- ant/core/trunk/src/main/org/apache/tools/ant/ComponentHelper.java (original)
+++ ant/core/trunk/src/main/org/apache/tools/ant/ComponentHelper.java Fri Feb
24 16:50:48 2006
@@ -496,10 +496,14 @@
if (c == null || !(Task.class.isAssignableFrom(c))) {
return null;
}
- Task task = (Task) createComponent(taskType);
- if (task == null) {
+ Object _task = createComponent(taskType);
+ if (_task == null) {
return null;
}
+ if (!(_task instanceof Task)) {
+ throw new BuildException("Expected a Task from '" + taskType + "'
but got an instance of " + _task.getClass().getName() + " instead");
+ }
+ Task task = (Task) _task;
task.setTaskType(taskType);
// set default value, can be changed by the user
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