Hi Leif,
Can you check out and build the CVS code? That should work fine for both
of these, but you'll need to either add item-type="java.lang.String" to
both <collection>s, or type="java.lang.String" to the contained
<structure> element in the first case and to the <value> element in the
second. The type="java.lang.String" should really work on the
<structure> element in the second case, too, but I just found a problem
on that which I need to fix.
I've made several fixes effecting the <collection> handling since RC1,
as well as others effecting abstract mappings. I'm unfortunately going
to have to do a quick RC1 before the production release just to make
sure I haven't broken other things in the process.
- Dennis
Leif Stainsby wrote:
Hi,
I've got two element groups as shown in this example document, one using
element text items, one using attribute value items:
<document>
<elementItemList>
<item>abc</item>
<item>def</item>
<item>ghi</item>
</elementItemList>
<attributeItemList>
<item code="abc"/>
<item code="def"/>
<item code="ghi"/>
</attributeItemList>
</document>
Both <item/> groups are mapped to collections (items in the collections
are of type java.lang.String):
<binding>
<mapping name="document" class="test.MyDocument">
<structure name="elementItemList">
<collection field="elementItemList"
factory="org.jibx.runtime.Utility.arrayListFactory">
<structure name="item" value-style="element" usage="optional"/>
</collection>
</structure>
<structure name="attributeItemList">
<collection field="attributeItemList"
factory="org.jibx.runtime.Utility.arrayListFactory">
<structure name="item" value-style="attribute" usage="optional">
<value name="code" style="attribute"/>
</structure>
</collection>
</structure>
</mapping>
</binding>
in this class:
package test;
import java.util.List;
public class MyDocument {
// both are collections of java.util.String
private List elementItemList;
private List attributeItemList;
// get/set methods are defined for both lists
public List getElementItemList() {
return elementItemList;
}
public void setElementItemList(List theList) {
elementItemList = theList;
}
public List getAttributeItemList() {
return attributeItemList;
}
public void setAttributeItemList(List theList) {
attributeItemList = theList;
}
}
Attempts to bind the MyDocument.class fail on the <value/> element
in the binding file:
[bind] Running binding compiler version jibx-rc1
[bind] Error: Need deserializer or constructor from string for type
java.lang.Object for value element at (line 12, col 49, in
JiBX/bin/CollectionAttributeItemTest-binding.xml)
So, the element item mapping works but the attribute item mapping does
not. Is there a way to map attribute items, like the above, into a
collection, without resorting to the deserializer/constructor as
suggested by the error message?
Perhaps I'm missing something, but, since the element item defaults to
mapping the element text to java.lang.String typed items (correct?),
couldn't a similar behaviour apply to attribute items?
...Leif
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