Jesse Bonzo created WICKET-4906:
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Summary: Form#visitFormComponents can cause ClassCastException
Key: WICKET-4906
URL: https://issues.apache.org/jira/browse/WICKET-4906
Project: Wicket
Issue Type: Bug
Components: wicket
Affects Versions: 6.3.0
Reporter: Jesse Bonzo
Priority: Minor
The current method signature of Form#visitComponents allows for passing in an
implementation of IVisitor that will cause a ClassCastException.
Example
Add a CheckBox and TextField to the Form. Pass in an IVisitor<CheckBox> to
visitComponents. There will be a ClassCastException when the IVisitor<CheckBox>
attempts to visit the TextField.
The method signature should be changed to
public final <R> R visitFormComponents(final IVisitor<FormComponent<?>, R>
visitor)
or the method should be removed to prevent confusion.
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