Hi,
I have an Editing page that I would like to use to edit different
object implementing the same class. If I switch the object I want to
edit I get a ClassCastException in the CoercingPropertyConduitWrapper
(see below).
I have created a simple scenario to reproduce this.
First there is a Base Page CoercTest that hast 2 ActionLinks that lead
to the ObjectEditPage
-----------------------------
public class CoercTest {
@InjectPage
private ObjectEditPage editPage;
@OnEvent(component="typeTO1")
public ObjectEditPage onTypeTO1() {
editPage.setTestObject(new TO1());
return editPage;
}
@OnEvent(component="typeTO2")
public ObjectEditPage onTypeTO2() {
editPage.setTestObject(new TO2());
return editPage;
}
}
----------------------------------
TO1 and TO2 both implement TestInterface
This is what ObjectEditPage looks like
-------------------
@Persist
private TestInterface testObject;
public TestInterface getTestObject() {
return testObject;
}
public void setTestObject(TestInterface to) {
this.testObject = to;
}
public Object onSuccess() {
testObject = null;
return CoercTest.class;
}
------------------------
the tml contains just a BeanForm to edit the "testObject"
Now if the user hits the first ActionLink on the CoercTest page, and
submits the form everything looks OK. But as soons as he then hits the
2. ActionLink to edit an Object of the other SubType of TestInterface
he gets the following Exception
------------------------
java.lang.ClassCastException
de.avetana.app.pages.test.TO2
Stack trace
•
org
.apache
.tapestry
.internal
.services
.CoercingPropertyConduitWrapper
.get(CoercingPropertyConduitWrapper.java:36)
• org.apache.tapestry.corelib.components.PropertyEditor
$1.getPropertyValue(PropertyEditor.java:151)
•
org.apache.tapestry.internal.bindings.PropBinding.get(PropBinding.java:
54)
•
org
.apache
.tapestry
.internal
.structure
.InternalComponentResourcesImpl
.readParameter(InternalComponentResourcesImpl.java:209)
•
org
.apache
.tapestry
.internal
.structure
.InternalComponentResourcesImpl
.readParameter(InternalComponentResourcesImpl.java:224)
• org.apache.tapestry.corelib.base.AbstractTextField._
$read_parameter_value(AbstractTextField.java)
•
org
.apache
.tapestry.corelib.base.AbstractTextField.begin(AbstractTextField.java:
154)
•
org
.apache
.tapestry
.corelib.base.AbstractTextField.beginRender(AbstractTextField.java)
• org.apache.tapestry.internal.structure.ComponentPageElementImpl
$10$1.run(ComponentPageElementImpl.java:327)
•
org
.apache
.tapestry
.internal
.structure
.ComponentPageElementImpl.invoke(ComponentPageElementImpl.java:869)
•
org.apache.tapestry.internal.structure.ComponentPageElementImpl.access
$100(ComponentPageElementImpl.java:53)
• org.apache.tapestry.internal.structure.ComponentPageElementImpl
$10.render(ComponentPageElementImpl.java:331)
•
org
.apache
.tapestry.internal.services.RenderQueueImpl.run(RenderQueueImpl.java:58)
•
org
.apache
.tapestry
.internal.services.PageRenderQueueImpl.render(PageRenderQueueImpl.java:
63)
• org.apache.tapestry.services.TapestryModule
$19.renderMarkup(TapestryModule.java:1291)
• org.apache.tapestry.services.TapestryModule
$23.renderMarkup(TapestryModule.java:1399)
• org.apache.tapestry.services.TapestryModule
$22.renderMarkup(TapestryModule.java:1380)
----------------------------
Is there anything one can do to have EditingPages that can handle more
than one object type?
M.
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
