Examples of org.eclipse.persistence.oxm.NamespaceResolver

org.eclipse.persistence.oxm.NamespaceResolver

It is common for an XML document to include one or more namespaces. TopLink supports this using its NamespaceResolver. The namespace resolver maintains pairs of namespace prefixes and URIs. TopLink uses these prefixes in conjunction with the XPath statements you specify on EIS mappings to XML records and XML mappings.
Although TopLink captures namespace prefixes in the XPath statements for mappings (if applicable), the input document is not required to use the same namespace prefixes. TopLink will use the namespace prefixes specified in the mapping when creating new documents.
Code Sample
NamespaceResolver resolver = new NamespaceResolver(); resolver.put( "ns", "urn:namespace-example"); XMLDescriptor descriptor = new XMLDescriptor(); descriptor.setJavaClass(Customer.class); descriptor.setDefaultRootElement("ns:customer"); descriptor.setNamespaceResolver(resolver); XMLDirectMapping mapping = new XMLDirectMapping(); mapping.setAttributeName("id"); mapping.setXPath("ns:id/text()"); descriptor.addMapping(mapping); @see org.eclipse.persistence.oxm.XMLDescriptor @see org.eclipse.persistence.eis.EISDescriptor

        lazyInitialize();
        if (null == rootXPathNode.getNonAttributeChildren()) {
            return record;
        }
        XMLDescriptor xmlDescriptor = (XMLDescriptor) descriptor;
        NamespaceResolver namespaceResolver = xmlDescriptor.getNamespaceResolver();
        MarshalContext marshalContext = null;
        if(xmlDescriptor.isSequencedObject()) {
            SequencedObject sequencedObject = (SequencedObject) object;
            marshalContext = new SequencedMarshalContext(sequencedObject.getSettings());
        } else {

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    }


    public boolean marshalAttributes(MarshalRecord marshalRecord, Object object, AbstractSession session) {
        lazyInitialize();
        boolean hasValue = false;
        NamespaceResolver namespaceResolver = ((XMLDescriptor)descriptor).getNamespaceResolver();


        List<XPathNode> attributeChildren = rootXPathNode.getAttributeChildren();
        if (null != attributeChildren) {
            ObjectMarshalContext objectMarshalContext = ObjectMarshalContext.getInstance();
            for (int x = 0, attributeChildrenSize=attributeChildren.size(); x < attributeChildrenSize; x++) {

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    /**
     * Create a new row/record for the object builder with the given name. This
     * allows subclasses to define different record types.
     */
    public AbstractRecord createRecord(String rootName, AbstractSession session) {
        NamespaceResolver namespaceResolver = getNamespaceResolver();
        XMLRecord xmlRec = new DOMRecord(rootName, namespaceResolver);
        xmlRec.setSession(session);
        return xmlRec;
    }

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    /**
     * Create a new row/record for the object builder with the given name. This
     * allows subclasses to define different record types.
     */
    public AbstractRecord createRecord(String rootName, Node parent, AbstractSession session) {
        NamespaceResolver namespaceResolver = getNamespaceResolver();
        XMLRecord xmlRec = new DOMRecord(rootName, namespaceResolver, parent);
        xmlRec.setSession(session);
        return xmlRec;
    }

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     * Create a new row/record for the object builder. This allows subclasses to
     * define different record types.  This will typically be called when a
     * record will be used for temporarily holding on to primary key fields.
     */
    protected AbstractRecord createRecordForPKExtraction(int size, AbstractSession session) {
        NamespaceResolver namespaceResolver = getNamespaceResolver();
        XMLRecord xmlRec = new DOMRecord(getDescriptor().getTableName(), namespaceResolver);
        xmlRec.setSession(session);
        return xmlRec;
    }

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            DatabaseMapping mapping = mappings.get(index);
            mapping.writeFromObjectIntoRow(object, row, session, WriteType.UNDEFINED);
        }
    }
    public void addNamespaceDeclarations(Document document) {
        NamespaceResolver namespaceResolver = getNamespaceResolver();


        if (namespaceResolver == null) {
            return;
        }


        Element docElement = document.getDocumentElement();
        if(namespaceResolver.getDefaultNamespaceURI() != null) {
            docElement.setAttributeNS(XMLConstants.XMLNS_URL, XMLConstants.XMLNS, namespaceResolver.getDefaultNamespaceURI());
        }


        Enumeration prefixes = namespaceResolver.getPrefixes();
        String prefix;
        String namespace;
        while (prefixes.hasMoreElements()) {
            prefix = (String)prefixes.nextElement();
            namespace = namespaceResolver.resolveNamespacePrefix(prefix);
            docElement.setAttributeNS(XMLConstants.XMLNS_URL, XMLConstants.XMLNS + XMLConstants.COLON + prefix, namespace);
        }
    }

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        return xmlField;
    }




    public NamespaceResolver getNamespaceResolver() {
        NamespaceResolver namespaceResolver = null;
        if (isXmlDescriptor()) {
            namespaceResolver = ((XMLDescriptor)getDescriptor()).getNamespaceResolver();
        } else if (getDescriptor() instanceof org.eclipse.persistence.eis.EISDescriptor) {
            namespaceResolver = ((org.eclipse.persistence.eis.EISDescriptor)getDescriptor()).getNamespaceResolver();
        }

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    private XPathNode branchNode;


    public XMLCollectionReferenceMappingMarshalNodeValue(XMLCollectionReferenceMapping xmlCollectionReferenceMapping) {
        this.xmlCollectionReferenceMapping = xmlCollectionReferenceMapping;
        branchNode = new XPathNode();
        NamespaceResolver namespaceResolver = ((XMLDescriptor) xmlCollectionReferenceMapping.getDescriptor()).getNamespaceResolver();
        List fkFields = xmlCollectionReferenceMapping.getFields();
        for(int x=0, fkFieldsSize=fkFields.size(); x<fkFieldsSize; x++) {
            XMLField fkField = (XMLField) fkFields.get(x);
            branchNode.addChild(fkField.getXPathFragment(), new XMLCollectionReferenceMappingFKMarshalNodeValue(xmlCollectionReferenceMapping, fkField), namespaceResolver);
        }

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                            // at this point we can't determine the element type, so don't add anything
                            continue;
                        }
                        // if the schema is null generate a new one and create an import 
                        if (schema == null) {
                            schema = buildNewSchema(nsKey, new NamespaceResolver(), schemaForNamespace.size(), properties);
                            schemaForNamespace.put(nsKey, schema);
                            typeAsQName = desc.getSchemaReference().getSchemaContextAsQName();
                            
                            Schema schemaForUri = schemaForNamespace.get(typeAsQName.getNamespaceURI());
                            
                            if (!importExists(schema, schemaForUri.getTargetNamespace())) {
                                Import newImport = new Import();
                                newImport.setNamespace(schemaForUri.getTargetNamespace());
                                newImport.setSchemaLocation(schemaForUri.getName());
                                schema.getImports().add(newImport);
                            }
                        } else {
                            typeAsQName = desc.getSchemaReference().getSchemaContextAsQName(schema.getNamespaceResolver());
                        }
                    }
                    if (schema == null) {
                        schema = buildNewSchema(nsKey, new NamespaceResolver(), schemaForNamespace.size(), properties);
                        schemaForNamespace.put(nsKey, schema);
                    }
                    Element element = new Element();
                    element.setName(qname.getLocalPart());
                    element.setType(getSchemaTypeString(typeAsQName, schema));

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        XMLDescriptor schemaDescriptor = (XMLDescriptor)proj.getDescriptor(Schema.class);
        int schemaCount = 0;
        for (Entry<String, Schema> entry : schemas.entrySet()) {
            Schema schema = entry.getValue();
            try {
                NamespaceResolver schemaNamespaces = schema.getNamespaceResolver();
                schemaNamespaces.put(XMLConstants.SCHEMA_PREFIX, "http://www.w3.org/2001/XMLSchema");
                schemaDescriptor.setNamespaceResolver(schemaNamespaces);
                javax.xml.transform.Result target = outputResolver.createOutput(schema.getTargetNamespace(), schema.getName());
                marshaller.marshal(schema, target);
                schemaCount++;
            } catch (IOException ex) {

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