Hi Nick,
This is somewhat confusing, and the naming of the attributes used in the
binding probably contributes to the confusion. The ns attribute needs to
give the actual namespace URI (as stated in the documentation on these
attributes:
http://jibx.sourceforge.net/binding/binding-attributes.html), not the
prefix. So this should work:
<mapping name="Product" class="com.myCode.xxxProductFile">
<namespace name="ns1" uri="http://ns1"; default="elements"/>
<namespace name="ns2" uri="http://ns2"; default="none"/>
<structure ns="http://ns2"; name="metaDataProperty">
<structure name="ProductMetaData">
<value name="fileIdentifier" field="fileId"/>
(where I've changed the ns value on the first <structure> element).
When you tried the binding in its original form you should have gotten
an error which said something about namespace not defined - didn't this
happen?
- Dennis
Dennis M. Sosnoski
XML and Web Services in Java
Training and Consulting
http://www.sosnoski.com - http://www.sosnoski.co.nz
Seattle, WA +1-425-939-0576 - Wellington, NZ +64-4-298-6117
Scott, Nick wrote:
> Hi, I'm looking for guidance on the best approach to handling
> multiple, alternating, namespaces in jibx. The tutorial hints at a
> solution:
>
> http://jibx.sourceforge.net/binding/tutorial/binding-advanced.html
> "...This makes the namespace automatically apply to every name
> definition unless you override it with a specific namespace using the
> ns attribute...."
>
> but provides no example. Try as I might, I keep getting validation
> errors whatever permutation of attributes I go for!
>
> The problem XML is long and tedious with five different namespaces all
> interspersed! To illustrate the problem, consider the following fragment:
>
> ...
> <metadata>
> <ns1:Product xsi:schemaLocation="http://earth.esa.int/geca
> ./xsd/geca/geca.xsd" xmlns:ns1="http://ns1 <http://ns1/>"
> xmlns:ns2="http://ns2 <http://ns2/>">
> <ns2:metaDataProperty>
> <ns1:ProductMetaData>
> <ns1:fileIdentifier>urn:x-geca:avdc:500</geca:fileIdentifier>
> ...
>
> If the <ns2:metaDataProperty> is simply removed, then the following works:
>
> ...
> <mapping name="Product" class="com.myCode.xxxProductFile">
> <namespace name="ns1" uri="http://ns1 <http://ns1/>"
> default="elements"/>
> <structure name="ProductMetaData">
> <value name="fileIdentifier" field="fileId"/>
> ...
>
> Logically, I would expect a something like:
>
> ...
> <mapping name="Product" class="com.myCode.xxxProductFile">
> <namespace name="ns1" uri="http://ns1 <http://ns1/>"
> default="elements"/>
> <namespace name="ns2" uri="http://ns2 <http://ns2/>" default="none"/>
> <structure ns="ns2" name="metaDataProperty">
> <structure name="ProductMetaData">
> <value name="fileIdentifier" field="fileId"/>
> ...
>
> or
>
> ...
> <mapping name="Product" class="com.myCode.xxxProductFile">
> <namespace name="ns1" uri="http://ns1 <http://ns1/>" default="none"/>
> <namespace name="ns2" uri="http://ns2 <http://ns2/>" default="none"/>
> <structure ns="ns2" name="metaDataProperty">
> <structure ns="ns1" name="ProductMetaData">
> <value ns="ns1" name="fileIdentifier" field="fileId"/>
> ...
>
> to do the trick - but they both lead to compilation errors ("Namespace
> prefix conflict for namespace element").
>
> Is there a "right" approach to alternating namespaces in this manner?
> All help would be much appreciated!
>
> Nick
>
>
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