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https://issues.apache.org/jira/browse/TAPESTRY-1545?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesse Kuhnert updated TAPESTRY-1545:
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Fix Version/s: (was: 4.1.3)
4.1.4
> Tapestry overrides page methods that implement a superclass's abstract method
> -----------------------------------------------------------------------------
>
> Key: TAPESTRY-1545
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1545
> Project: Tapestry
> Issue Type: Bug
> Components: Framework
> Affects Versions: 4.1.1
> Reporter: Robert J. Walker
> Fix For: 4.1.4
>
>
> If you have an abstract accessor method in a page class, then implement the
> getter in the subclass, then call that method in an OGNL expression on the
> page, the implemented method never gets called. Instead, Tapestry overrides
> it when it enhances the page class with its own version. Tapestry should not
> override existing methods on page classes. An example follows. Bug is fixed
> when MySubclassPage displays "Fixed" instead of "Borken".
> _____
> MySuperclassPage.java
> public abstract class MySuperclassPage extends
> org.apache.tapestry.html.BasePage {
> public abstract boolean isMyBooleanProperty();
> }
> _____
> MySubclassPage.java
> public abstract class MySubclassPage extends MySuperclassPage {
> public boolean isMyBooleanProperty() {
> return true; // This never gets called
> }
> }
> _____
> MySubclassPage.html
> <span jwcid="@Insert" value="ognl:myBooleanProperty ? 'Fixed' : 'Borken'" />
> _____
> MySubclassPage.page
> <?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="mypackage.MySubclassPage">
> </page-specification>
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