Examples of org.eclipse.persistence.internal.oxm.XPathFragment

Package org.eclipse.persistence.internal.oxm

Examples of org.eclipse.persistence.internal.oxm.XPathFragment

org.eclipse.persistence.internal.oxm.XPathFragment
INTERNAL:
Purpose: Represents a token from an XPath statement.

For example the following XPath statment a/b[2]/text() corresponds to three XPathFragments: "a", "b[2]", and "text()".

Responsibilities:
- Maintain name, namespace, and prefix information.
- Maintain information about the corresponding node type.
- Maintain index information if any. The XPathFragment corresponding to b[2] would have an index value of 2.

                    return buildObjectForNonXMLRoot(getDescriptor(nestedRecord, session, null), getConverter(), query, record, nestedRecord, joinManager, session, next, null, null);
                }
                // need to wrap the object in an XMLRoot
                String schemaType = ((Element) next).getAttributeNS(XMLConstants.SCHEMA_INSTANCE_URL, XMLConstants.SCHEMA_TYPE_ATTRIBUTE);
                QName schemaTypeQName = null;
                XPathFragment frag = new XPathFragment();
                if ((null != schemaType) && (schemaType.length() > 0)) {
                    frag.setXPath(schemaType);
                    if (frag.hasNamespace()) {
                        String prefix = frag.getPrefix();
                        XMLPlatform xmlPlatform = XMLPlatformFactory.getInstance().getXMLPlatform();
                        String url = xmlPlatform.resolveNamespacePrefix(next, prefix);
                        frag.setNamespaceURI(url);
                        schemaTypeQName = new QName(url, frag.getLocalName());
                    }
                    XMLContext xmlContext = nestedRecord.getUnmarshaller().getXMLContext();
                    referenceDescriptor = xmlContext.getDescriptorByGlobalType(frag);
                }
                if (referenceDescriptor == null) {

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        Object originalObject = objectValue;
        Node toReplace = getNodeToReplace(root);
        if (usesXMLRoot() && (objectValue instanceof XMLRoot)) {
            xmlRootField = new XMLField();
            wasXMLRoot = true;
            XPathFragment frag = new XPathFragment();
            if ((((XMLRoot) objectValue)).getNamespaceURI() != null) {
                frag.setNamespaceURI(((XMLRoot) objectValue).getNamespaceURI());
            } 
            frag.setXPath(((XMLRoot) objectValue).getLocalName());


            xmlRootField.setXPathFragment(frag);
            xmlRootField.setNamespaceResolver(row.getNamespaceResolver());


            objectValue = ((XMLRoot) objectValue).getObject();

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            return null;
        }
        if (context == null) {
            return field.getXPathFragment();
        }
        XPathFragment fieldFrag = field.getXPathFragment();
        XPathFragment contextFrag = context.getXPathFragment();


        while ((fieldFrag != null) && (contextFrag != null)) {
            if (fieldFrag.equals(contextFrag)) {
                if (contextFrag.getNextFragment() == null) {
                    return fieldFrag.getNextFragment();
                } else {
                    contextFrag = contextFrag.getNextFragment();
                    fieldFrag = fieldFrag.getNextFragment();
                }
            } else {
                return null;
            }

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        int mappingsInContext = 0;
        while (mappings.hasNext()) {
            DatabaseMapping next = (DatabaseMapping) mappings.next();
            if (!(next == this)) {
                XMLField nextField = (XMLField) next.getField();
                XPathFragment frag = getFragmentToCompare(nextField, field);
                if (frag != null) {
                    mappingsInContext++;
                    if (((node.getNodeType() == Node.TEXT_NODE) || (node.getNodeType() == Node.CDATA_SECTION_NODE)) && frag.nameIsText()) {
                        return false;
                    }
                    if (node.getNodeType() == Node.ELEMENT_NODE) {
                        String nodeNS = node.getNamespaceURI();
                        String fragNS = frag.getNamespaceURI();
                        String nodeLocalName = node.getLocalName();
                        String fragLocalName = frag.getLocalName();
                        if ((nodeNS == fragNS) || ((nodeNS != null) && (fragNS != null) && nodeNS.equals(fragNS))) {
                            if ((nodeLocalName == fragLocalName) || ((nodeLocalName != null) && (fragLocalName != null) && nodeLocalName.equals(fragLocalName))) {
                                return false;
                            }
                        }

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    private XMLField getFieldForName(String localName, String namespaceUri) {
        Iterator fields = getFields().iterator(); 
        while(fields.hasNext()) {
            XMLField nextField = (XMLField)fields.next();
            XPathFragment fragment = nextField.getXPathFragment();
            while(fragment != null && (!fragment.nameIsText())) {
                if(fragment.getNextFragment() == null || fragment.getHasText()) {
                    if(fragment.getLocalName().equals(localName)) {
                        String fragUri = fragment.getNamespaceURI();
                        if((namespaceUri == null && fragUri == null) || (namespaceUri != null && fragUri != null && namespaceUri.equals(fragUri))) {
                            return nextField;
                        }
                    }
                }
                fragment = fragment.getNextFragment();
            }
        }
        return null;
    }

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    public void add(DatabaseField key, Object value) {
        if (null == value) {
            return;
        }
        XMLField xmlField = convertToXMLField(key);
        XPathFragment lastFragment = xmlField.getLastXPathFragment();
        if (lastFragment.nameIsText()) {
            characters(xmlField.getSchemaType(), value, null, xmlField.isCDATA());
            
        } else if (lastFragment.isAttribute()) {
            attribute(lastFragment, xmlField.getNamespaceResolver(), value, xmlField.getSchemaType());
        } else {
            element(lastFragment);
        }
    }

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     * @param openGrouping if grouping elements should be marshalled for empty collections
     * @return
     */
    public boolean emptyCollection(XPathFragment xPathFragment, NamespaceResolver namespaceResolver, boolean openGrouping) {
       if (openGrouping) {
             XPathFragment groupingFragment = openStartGroupingElements(namespaceResolver);
             closeStartGroupingElements(groupingFragment);
             return true;
         } else {
             return false;
         }

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     */
    public XPathFragment openStartGroupingElements(NamespaceResolver namespaceResolver) {
        if (null == groupingElements) {
            return null;
        }
        XPathFragment xPathFragment = null;
        for (int x = 0, groupingElementsSize = groupingElements.size(); x < groupingElementsSize; x++) {
            XPathNode xPathNode = groupingElements.get(x);
            xPathFragment = xPathNode.getXPathFragment();
            openStartElement(xPathFragment, namespaceResolver);

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     */
    public void predicateAttribute(XPathFragment xPathFragment, NamespaceResolver namespaceResolver) {
        if(null != xPathFragment) {
            XPathPredicate predicate = xPathFragment.getPredicate();
            if(null != predicate) {
                XPathFragment predicateXPathFragment = predicate.getXPathFragment();
                if(predicateXPathFragment.isAttribute()) {
                    attribute(predicateXPathFragment, namespaceResolver, predicate.getValue());
                }
            }
        }
    }

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    /**
     * Used when an nil attribute should be written
     * @since EclipseLink 2.4
     */    
    public void emptyAttribute(XPathFragment xPathFragment,NamespaceResolver namespaceResolver){
      XPathFragment groupingFragment = openStartGroupingElements(namespaceResolver);
        // We mutate the null into an empty string 
        attribute(xPathFragment, namespaceResolver, XMLConstants.EMPTY_STRING);
        closeStartGroupingElements(groupingFragment);
    }

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