[WICKET-2354] PropertyModel does not support index only property ("[0]")

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.3.6
• Fix Version/s: 1.3.7, 1.4-RC7
• Component/s: wicket
• Environment: Windows XP, Eclipse 1.3.6, Java 1.6.0.13, Wicket 1.3.6
• Assignee: Johan Compagner
• Reporter: Hielke Hoeve
• Created: 03/Jul/09 09:49
• Updated: 06/Jul/09 15:26
• Resolved: 06/Jul/09 15:26

Description

When using a PropertyModel with a list as target and an index ("[0]") as property the PropertyModel cannot retreive the object from the list. When getObject() is called a IndexOutOfBoundsException is thrown.

Example:
List addresses = new List();
new PropertyModel(addresses, "[0]");
model.getObject();

Exception:
java.lang.StringIndexOutOfBoundsException: String index out of range: 0
at java.lang.String.charAt(String.java:687)
at org.apache.wicket.util.lang.PropertyResolver.findGetter(PropertyResolver.java:509)
at org.apache.wicket.util.lang.PropertyResolver.getGetAndSetter(PropertyResolver.java:338)
at org.apache.wicket.util.lang.PropertyResolver.getObjectAndGetSetter(PropertyResolver.java:224)
at org.apache.wicket.util.lang.PropertyResolver.getValue(PropertyResolver.java:91)
at org.apache.wicket.model.AbstractPropertyModel.getObject(AbstractPropertyModel.java:113)

I have attached a QuickStart (with 2 test; 1 with the current PropertyResolver and 1 with the patched PropertyResolver) and a patch file.