Examples of AbstractNullPolicy

org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

PUBLIC: Description: This node null policy allows for the handling of various representations of null in XML documents.

Null policies have 2 concrete implementations:

NullPolicy (default implementation)
IsSetNullPolicy (keyed off isSet() state of the node)

Unmarshal Flag	Description
isSetPerformedForAbsentNode	This umarshal flag represents whether a set is done for absent nodes only.
isNullRepresentedByEmptyNode	If this unmarshal flag is false for empty nodes we set an empty Object for composite mappings, otherwise we set to null.
isNullRepresentedByXsiNil	If this unmarshal flag is false for xsi:nil nodes we ignore the xsi:nil attribute and treat as an empty node. Otherwise we set to null.

Marshal Enum	XMLNullRepresentationType Description
XSI_NIL	Nillable: Write out an xsi:nil="true" attribute.
ABSENT_NODE(default)	Optional: Write out no node.
EMPTY_NODE	Required: Write out an empty or node="" node.

Usage:
@see org.eclipse.persistence.internal.oxm.NullCapableValue @since Oracle TopLink 11g Release 1 (11.1.1)

Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

                        return true;
                    }
                }          
            }


            AbstractNullPolicy nullPolicy = xmlCompositeCollectionMapping.getNullPolicy();
            if(nullPolicy.isNullRepresentedByEmptyNode()) {
                String qnameString = xPathFragment.getLocalName();
                if(xPathFragment.getPrefix() != null) {
                    qnameString = xPathFragment.getPrefix()  + XMLConstants.COLON + qnameString;
                }
                if(null != xmlDescriptor) {

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

       //text.
       XMLField field = null;
       Object value = this.getCharacters();


       Class attributeClassification = null;
       AbstractNullPolicy nullPolicy;
       boolean isSwaRef = false;
       if(isCollection) {
           isSwaRef = ((XMLBinaryDataCollectionMapping)mapping).isSwaRef();
           field = (XMLField)((XMLBinaryDataCollectionMapping)mapping).getField();
           attributeClassification =((XMLBinaryDataCollectionMapping)mapping).getAttributeElementClass();
           nullPolicy =((XMLBinaryDataCollectionMapping)mapping).getNullPolicy();
       } else {
           isSwaRef = ((XMLBinaryDataMapping)mapping).isSwaRef();
           field = (XMLField)((XMLBinaryDataMapping)mapping).getField();
           attributeClassification =((XMLBinaryDataMapping)mapping).getAttributeClassification();
           nullPolicy =((XMLBinaryDataMapping)mapping).getNullPolicy();


       }
           
       if (isSwaRef && (parent.getUnmarshaller().getAttachmentUnmarshaller() != null)) {        
           if(attributeClassification != null && attributeClassification == XMLBinaryDataHelper.getXMLBinaryDataHelper().DATA_HANDLER) {
               value = parent.getUnmarshaller().getAttachmentUnmarshaller().getAttachmentAsDataHandler(value.toString());
           } else {
               value = parent.getUnmarshaller().getAttachmentUnmarshaller().getAttachmentAsByteArray(value.toString());
           }
       } else {
           Object valueFromReader = this.parent.getXMLReader().getValue(getCharacters(), attributeClassification);
           
           if(parent.isNil() && parent.getXMLReader().isNullRepresentedByXsiNil(nullPolicy)){
               value = null;
               isCollection = isCollection && parent.getXMLReader().isInCollection();
           }
           else{
               if(null != valueFromReader) {
                   value = valueFromReader;
               } else {
                   String valueString = value.toString();
                   if(valueString.length() == 0 && nullPolicy.isNullRepresentedByEmptyNode()){
                       value = null;                   
                   }else{
                       value = XMLConversionManager.getDefaultXMLManager().convertSchemaBase64ToByteArray(valueString);
                   }
               }

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

         }


         @Override
         public Object getAttributeValueFromObject(Object object) throws DescriptorException {
            // If the policy is default (NullPolicy(ispfan=true, inrben=false, inrbxnn=false, XMLNullRep=ABSENT_NODE) return null
            AbstractNullPolicy value = ((XMLNillableMapping)object).getNullPolicy();
            if(value instanceof NullPolicy) {
                NullPolicy aPolicy = (NullPolicy)value;
                if(aPolicy.getIsSetPerformedForAbsentNode() && !aPolicy.isNullRepresentedByEmptyNode() //
                    && !aPolicy.isNullRepresentedByXsiNil() //
                    && aPolicy.getMarshalNullRepresentation().equals(XMLNullRepresentationType.ABSENT_NODE)) {

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

            //   whether we are in one of empty/simple/complex state.
            //   Control is returned to the UnmarshalHandler after creation of (1) or (2) above is started.
            //   Object creation was deferred to the DeferredContentHandler
            //
            // Check if we need to create the DeferredContentHandler based on policy state
            AbstractNullPolicy nullPolicy = xmlCompositeObjectMapping.getNullPolicy();
            if(nullPolicy.isNullRepresentedByEmptyNode()) {
                String qnameString = xPathFragment.getLocalName();
                if(xPathFragment.getPrefix() != null) {
                    qnameString = xPathFragment.getPrefix()  + XMLConstants.COLON + qnameString;
                }
                if(null != xmlDescriptor) {

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

            return false;
        }
        
        Object value = xmlChoiceCollectionMapping.getAttributeValueFromObject(object);
        if(value == null) {
            AbstractNullPolicy wrapperNP = xmlChoiceCollectionMapping.getWrapperNullPolicy();
            if (wrapperNP != null && wrapperNP.getMarshalNullRepresentation() == XMLNullRepresentationType.XSI_NIL) {
                marshalRecord.nilSimple(namespaceResolver);
                return true;
            } else {
                return false;
            }

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

      * Alter the default state of the policy to act as a nillable null policy
     * @param aMapping
     * @param propertyName
      */
    private void setIsSetNillablePolicyOnMapping(XMLNillableMapping aMapping, Object propertyName) {
      AbstractNullPolicy aNullPolicy = setIsSetPolicyOnMapping(aMapping, propertyName);
      // Alter unmarshal policy state
      aNullPolicy.setNullRepresentedByEmptyNode(false);
      aNullPolicy.setNullRepresentedByXsiNil(true);
      // Alter marshal policy state
      aNullPolicy.setMarshalNullRepresentation(XMLNullRepresentationType.XSI_NIL);
    }

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

     * Alter the default state of the policy to act as an optional non-nillable null policy
     * @param aMapping
     * @param propertyName
     */
    private void setIsSetOptionalPolicyOnMapping(XMLNillableMapping aMapping, Object propertyName) {
      AbstractNullPolicy aNullPolicy = setIsSetPolicyOnMapping(aMapping, propertyName);
      // Alter unmarshal policy state
      aNullPolicy.setNullRepresentedByEmptyNode(false);
      aNullPolicy.setNullRepresentedByXsiNil(false);
      // Alter marshal policy state
      aNullPolicy.setMarshalNullRepresentation(XMLNullRepresentationType.EMPTY_NODE);//.ABSENT_NODE);
    }

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

     * @param aMapping
     * @param propertyName
     * @return
     */
    private AbstractNullPolicy setIsSetPolicyOnMapping(XMLNillableMapping aMapping, Object propertyName) {
        AbstractNullPolicy aNullPolicy = new IsSetNullPolicy();
        // Set the isSet method signature on policy
        ((IsSetNullPolicy)aNullPolicy).setIsSetMethodName(SDOConstants.SDO_ISSET_METHOD_NAME);
        // Set fields even though defaults are set
        //aNullPolicy.setMarshalNullRepresentation(XMLNullRepresentationType.EMPTY_NODE);
        // Parameter type is always String

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

            return false;
        }
        ContainerPolicy cp = xmlAnyCollectionMapping.getContainerPolicy();
        Object collection = xmlAnyCollectionMapping.getAttributeAccessor().getAttributeValueFromObject(object);
        if (null == collection) {
            AbstractNullPolicy wrapperNP = xmlAnyCollectionMapping.getWrapperNullPolicy();
            if (wrapperNP != null && wrapperNP.getMarshalNullRepresentation().equals(XMLNullRepresentationType.XSI_NIL)) {
                marshalRecord.nilSimple(namespaceResolver);
                return true;
            } else {
                return false;
            }

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Examples of org.eclipse.persistence.oxm.mappings.nullpolicy.AbstractNullPolicy

        if (xmlBinaryDataCollectionMapping.isReadOnly()) {
            return false;
        }
        Object collection = xmlBinaryDataCollectionMapping.getAttributeAccessor().getAttributeValueFromObject(object);
        if (null == collection) {
            AbstractNullPolicy wrapperNP = xmlBinaryDataCollectionMapping.getWrapperNullPolicy();
            if (wrapperNP != null && wrapperNP.getMarshalNullRepresentation() == XMLNullRepresentationType.XSI_NIL) {
                marshalRecord.nilSimple(namespaceResolver);
                return true;
            } else {
                return false;
            }

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