Hi all,
I am running into an issue with the mapping of a XML message
to a Java object.
In a nutshell, I am trying to take an XML string and create a
Java object out of it (or vice versa).
The Java object is com.bac.srp.process.ProcessResponse
// psuedo code
ProcessResponse {
// has a array of SrpView Objects.
private com.bac.cso.srp.SrpView[] optionalServiceRequests;
}
SrpView is another class that has following String attributes as mentioned
in the mapped file
The following is the mapping file that I created
<?xml version="1.0"?>
<!DOCTYPE mapping SYSTEM "E:\mapping.dtd">
<mapping>
<class name="com.bac.srp.process.ProcessResponse">
<map-to xml="process-response"/>
<field name="Version" type="string">
<bind-xml name="VersionId"/>
</field>
<field name="Action" type="string">
<bind-xml name="Action"/>
</field>
<field name="InfrastructureToken"
type="com.bac.inf.InfrastructureToken">
<bind-xml name="infrastructure-token"/>
</field>
<field name="RequiredDocumentation" type="strings"
collection="array">
<bind-xml name="required-documentation"/>
</field>
<field name="MandatoryServiceRequests"
type="com.bac.cso.srp.SrpView" collection="array">
<bind-xml name="MandatoryServiceRequests"/>
</field>
</class>
<class name="com.bac.cso.srp.SrpView">
<field name="Version" type="string">
<bind-xml name="VersionId"/>
</field>
<field name="AssignedToCai" type="string">
<bind-xml name="AssignedToCai"/>
</field>
<field name="PreferredContactAddressLine1" type="string">
<bind-xml name="preferred-contact-address-line1"
node="element"/>
</field>
<field name="CaseNumber" type="string">
<bind-xml name="CaseNumber" node="element"/>
</field>
</class>
</mapping>
The xml message that I have is as follows
<?xml version="1.0"?>
<process-response>
<VersionId>VersionId</VersionId>
<Action>Action</Action>
<MandatoryServiceRequests>
<ServiceRequest> <!-- If I remove this it works-->
<VersionId>VersionId1</VersionId>
<AssignedToCai>AssignedToCai1</AssignedToCai>
<CaseNumber>CaseNumber1</CaseNumber>
</ServiceRequest>
<ServiceRequest> <!-- if I remove this it works ->
<VersionId>VersionId2</VersionId>
<AssignedToCai>AssignedToCai2</AssignedToCai>
<CaseNumber>CaseNumber2</CaseNumber>
</ServiceRequest>
</MandatoryServiceRequests>
</process-response>
Within the MandatoryServiceRequest tag, if I remove the ServiceRequest tag
then it works perfectly.
However,when the above XML message above "as is", I get an exception.
org.xml.sax.SAXException: unable to find FieldDescriptor for
'ServiceRequest' in ClassDescriptor of com.bac.cso.srp.Srp-view
at
org.exolab.castor.xml.UnmarshalHandler.startElement(UnmarshalHandler.java:76
7)
at
org.apache.xerces.parsers.SAXParser.startElement(SAXParser.java:1340)
I would appreciate it if somebody can point me the right direction as to how
I should map the file correctly ?
The format of the XML message is coming from another source so I would like
to keep the framework quite flexible without enforcing rules on the
structure
of the XML document I receive.
Thanks much for the help in advance.
Regads,
Sunil .K
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