I have come across a similar error while trying to marshall a collection
of strings. It works when a value element is available in the collection
mapping. This is needed when the elements
in the list are in-built jibx types, in this case String.
For example if you have a collection of account number strings then the
mapping will look like
<collection name="accountNumbers" get-method="getAccountNumbers"
set-method="setAccountNumbers"
item-type="java.lang.String"
factory="org.jibx.runtime.Utility.arrayListFactory"
usage="optional">
<value name="accountNumber" style="element"
usage="optional"/>
</collection>
Hope this helps.
regards
Varghese
Marie-Eve Lussier-Cote wrote:
> Hi all,
>
> I'm using jibx 1.1.5 with hibernate classes. These classes have been
> generated by Hibernate Synchronizer tool from our database schema.
> java.util.Set<> are used to represent one-to-many relations, which are
> collections in the binding file. When I try to marshall a collection (with
> my own marshaller), I got a ClassCastException java.lang.String (And I'm not
> entered in my marshaller yet ) The same marshaller is used for structure and
> works fine. Unmarshaller works fine too. Can anyone please help me ? (I
> tried to use a Set factory and got the same error)
>
> -------error--------------
> Exception in thread "main" java.lang.ClassCastException: java.lang.String
>
> at
> ca.gc.nrcan.mis_nap.data.JiBX_MungeAdapter.JiBX_jibx_genbinding_binding_marshal_1_0()
>
> at
> ca.gc.nrcan.mis_nap.data.base.BaseMdMetadata.JiBX_jibx_genbinding_binding_marshal_1_2(BaseMdMetadata.java)
>
> at
> ca.gc.nrcan.mis_nap.data.MdMetadata.JiBX_jibx_genbinding_binding_marshal_2_2(MdMetadata.java)
>
> at
> ca.gc.nrcan.mis_nap.data.JiBX_jibx_genbinding_bindingMdMetadata_access1.marshal()
>
> at ca.gc.nrcan.mis_nap.data.MdMetadata.marshal(MdMetadata.java)
>
> at
> org.jibx.runtime.impl.MarshallingContext.marshalRoot(MarshallingContext.java:1044)
>
> at
> org.jibx.runtime.impl.MarshallingContext.marshalDocument(MarshallingContext.java:1114)
>
> at LireXML.main(LireXML.java:40)
>
>
> ---------classes--------
> public class MdMetadata extends BaseMdMetadata {
>
> [...]
>
> }
>
> public abstract class BaseMdMetadata implements Serializable {
>
> // primary key
> private java.lang.Long id;
>
> // fields
> private java.lang.String fileidentifier;
> private java.lang.String language;
>
>
> // collections
> private java.util.Set<ca.gc.nrcan.mis_nap.data.Hierarchylevelname>
> objHierarchylevelnameSet;
>
> [...]
>
> }
>
> ----------binding----------------------
>
> <binding forwards="false" value-style="attribute">
> <mapping class="ca.gc.nrcan.mis_nap.data.MdMetadata" name="MD_Metadata">
> <namespace uri="http://www.isotc211.org/2005/gmd"; default="elements"
> prefix="gmd"/>
> <structure map-as="ca.gc.nrcan.mis_nap.data.base.BaseMdMetadata"/>
> </mapping>
>
> <mapping class="ca.gc.nrcan.mis_nap.data.base.BaseMdMetadata"
> abstract="true">
> <namespace uri="http://www.isotc211.org/2005/gmd"; default="elements"/>
> <value name="id" get-method="getId" set-method="setId" style="attribute"
> usage="optional"/>
> <structure name="fileIdentifier" get-method="getFileidentifier"
> set-method="setFileidentifier" usage="required" type="java.lang.String"
> marshaller="ca.gc.nrcan.marshalling.CharacterStringMapper"
> unmarshaller="ca.gc.nrcan.marshalling.CharacterStringMapper"/>
> <structure name="language" get-method="getLanguage"
> set-method="setLanguage"
> usage="required" type="java.lang.String"
> marshaller="ca.gc.nrcan.marshalling.CharacterStringMapper"
> unmarshaller="ca.gc.nrcan.marshalling.CharacterStringMapper"/>
> <collection field="objHierarchylevelnameSet"
> create-type="java.util.HashSet">
> <structure name="hierarchyLevelName"
> type="ca.gc.nrcan.mis_nap.data.Hierarchylevelname"
> marshaller="ca.gc.nrcan.marshalling.CharacterStringMapper"
> unmarshaller="ca.gc.nrcan.marshalling.CharacterStringMapper"/>
> </collection>
> </mapping>
>
> <mapping class="ca.gc.nrcan.mis_nap.data.Hierarchylevelname"
> name="hierarchyLevelName">
> <namespace uri="http://www.isotc211.org/2005/gmd"; default="elements"
> prefix="gmd"/>
> <structure map-as="ca.gc.nrcan.mis_nap.data.base.BaseHierarchylevelname"/>
> </mapping>
>
> <mapping class="ca.gc.nrcan.mis_nap.data.base.BaseHierarchylevelname"
> abstract="true">
> <namespace uri="http://www.isotc211.org/2005/gmd"; default="elements"
> prefix="gmd"/>
> <value name="id" get-method="getId" set-method="setId" style="attribute"
> usage="optional"/>
> <value name="hierarchyLevelName" get-method="getHierarchylevelname"
> set-method="setHierarchylevelname"
> usage="required"/>
> </mapping>
> </binding>
>
> -------------xml file (collection section)-----------------
>
> *** <gmd:hierarchyLevelName xsi:type="gmd:PT_FreeText_PropertyType">
> <gco:CharacterString>021E05 - Sherbrooke</gco:CharacterString>
> <gmd:PT_FreeText>
> <gmd:textGroup>
> <gmd:LocalisedCharacterString
> locale="#frFR">Sherbrooke</gmd:LocalisedCharacterString>
> </gmd:textGroup>
> <gmd:textGroup>
> <gmd:LocalisedCharacterString
> locale="#anAN">Sherbrooke</gmd:LocalisedCharacterString>
> </gmd:textGroup>
> </gmd:PT_FreeText>
> </gmd:hierarchyLevelName>***
>
> <gmd:hierarchyLevelName xsi:type="gmd:PT_FreeText_PropertyType">
> <gco:CharacterString>066P16 - Montreal</gco:CharacterString>
> <gmd:PT_FreeText>
> <gmd:textGroup>
> <gmd:LocalisedCharacterString
> locale="#frFR">Montréal</gmd:LocalisedCharacterString>
> </gmd:textGroup>
> <gmd:textGroup>
> <gmd:LocalisedCharacterString
> locale="#anAN">Montreal</gmd:LocalisedCharacterString>
> </gmd:textGroup>
> </gmd:PT_FreeText>
> </gmd:hierarchyLevelName>
>
> My unmarshaller takes the part between *** and convert it to String (it has
> to be stored in the one field in the database). It works fine for structure
> like :
>
> <gmd:fileIdentifier xsi:type="gmd:PT_FreeText_PropertyType">
> <gco:CharacterString>SIM-PNA<gco:CharacterString>
> <gmd:PT_FreeText>
> <gmd:textGroup>
> <gmd:LocalisedCharacterString locale="#frFR">Base de données SIM-PNA
> de Sherbrooke</gmd:LocalisedCharacterString>
> </gmd:textGroup>
> <gmd:textGroup>
> <gmd:LocalisedCharacterString locale="#anAN">SIM-PNA Database of
> Sherbrooke</gmd:LocalisedCharacterString>
> </gmd:textGroup>
> </gmd:PT_FreeText>
> </gmd:fileIdentifier>
>
> Hope my english is enough clear : )
>
>
> Thanks !
> Marie-Eve
>
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