Hi all,
when I had to rework an older (Tap3, annotation-free) application I stumbled
over repetitive declaration of delegate & validator beans and base-class
properties.
My solution, which I wanted to share, is this:
1. put the duplicate xml-code into a separate file.
2. refer to that file from .page files via a custom entity
Example for 1.:
#################### FILE: delegateStuff.txt #################
<bean name="delegate"
class="com.bmw.extranet.webkit.dialog.valid.WebkitDelegate"
lifecycle="request"/>
<bean name="requiredValidator"
class="org.apache.tapestry.valid.StringValidator"
lifecycle="page">
<set-property name="clientScriptingEnabled" expression="true"/>
<set-property name="required" expression="true"/>
</bean>
############################################################
Example for 2.
##################### some .page file #######################
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE page-specification PUBLIC
"-//Apache Software Foundation//Tapestry Specification 3.0//EN"
"http://jakarta.apache.org/tapestry/dtd/Tapestry_3_0.dtd";
[
<!ENTITY delegate SYSTEM "delegateStuff.txt" >
]>
<component id="dirtyCheck1" type="DirtyFormWarning">
<binding name="form" expression="components.mainForm"/>
<message-binding name="message" key="abandon.changes"/>
</component>
&delegate;
###############################################################
The only drawback for me is, that Spindle doesn't seem to read the
included stuff. But I can live with that.
And: Currently this XML-feature is broken in Tap4. I have submitted
a patch that fixes it.
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