After further investigation it seems to be a problem with my
JXPathBinding class. I seem to be making an assumption about properties
declared in a page and where they are stored.
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE page-specification PUBLIC
"-//Apache Software Foundation//Tapestry Specification 4.0//EN"
"http://jakarta.apache.org/tapestry/dtd/Tapestry_4_0.dtd";>
<page-specification class="org.openvpms.app.tapestry.pages.Home">
<inject property="archetypeService" object="spring:archetypeService"/>
<property name="descriptor"/>
<property name="archetypeDescriptors" />
</page-specification>
Tapestry creates a new class called $Home_0, which includes the
properties defined in the page-specification in addition to some other
stuff as shown below
My question is how do I access fields such as _$descriptor from the
*root* object.
this= JXPathBinding (id=175)
_description= "template parameter source"
_location= LocationImpl (id=246)
_valueConverter= $ValueConverter_106e316a8d8 (id=249)
contextObjectName= "archetypeService"
path= "archetypeDescriptors"
root= $Home_0 (id=186)
_$actService= null
_$actService$defaultValue= null
_$archetypeDescriptors= null
_$archetypeDescriptors$default= null
_$archetypeService= ArchetypeService (id=278)
_$componentMessagesSource= $ComponentMessagesSource_106e316a910
(id=281)
_$descriptor= null
_$descriptor$default= null
_$entityService= null
_$entityService$defaultValue= null
_$lookupService= null
_$lookupService$defaultValue= null
_$messages= null
_$specification= ComponentSpecification (id=284)
_active= true
_assets= null
_beans= null
_bindings= null
_body= null
_bodyCount= 0
_changeObserver= PageRecorderImpl (id=290)
_components= HashMap<K,V> (id=294)
_containedComponent= null
_container= null
_engine= OpenVpmsEngine (id=196)
_id= null
_idPath= null
_listenerList= EventListenerList (id=301)
_listeners= null
_locale= Locale (id=303)
_location= LocationImpl (id=305)
_namespace= Namespace (id=306)
_outer= IRender[5] (id=310)
_outerCount= 1
_outputEncoding= null
_page= $Home_0 (id=186)
_pageName= "Home"
_rendering= true
_requestCycle= RequestCycle (id=188)
_visit= null
delegate= null
errorMessage= null
message= null
cheers
</jima>
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