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

Package org.eclipse.persistence.internal.oxm

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

org.eclipse.persistence.internal.oxm.XPathNode
INTERNAL:
Purpose: XPathNodes are used together to build a tree. The tree is built from all of the XPath statements specified in the mapping metadata (mappings and policies). This tree is then navigated by the TreeObjectBuilder to perform marshal and unmarshal operations.

The XPaths "a/b" and "a/c" would result in a tree with the root "a" and two child nodes "b" and "c".

Responsibilities:
- All tree relationships must be bi-directional.
- Reference a NodeValue, XPathNodes without a Node value represent grouping elements.
- Reference an XPathFragment, XPathFragments contain name and namespace information.
- Must differentiate between child nodes that correspond to elements and those that do not.
- Must represent special mapping situations like any and self mappings.

                      getFragmentBuilder().characters(ch, start, length);
                    }
                }
            }


            XPathNode textNode = xPathNode.getTextNode();
            if (null == textNode) {
                textNode = xPathNode.getAnyNode();
                if (textNode != null) {
                    if (0 == length) {
                        return;
                    }
                    String tmpString = new String(ch, start, length);
                    if (!textNode.isWhitespaceAware() && tmpString.trim().length() == 0) {
                        return;
                    }
                }
            }

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        } else {
            xPathFragment.setLocalName(localName);
            xPathFragment.setNamespaceURI(namespaceURI);
        }


        XPathNode resultNode = null;
        Map nonAttributeChildrenMap = xPathNode.getNonAttributeChildrenMap();
        if (null != nonAttributeChildrenMap) {
            resultNode = (XPathNode)nonAttributeChildrenMap.get(xPathFragment);
            if (null == resultNode) {
                // POSITIONAL MAPPING

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            if(namespace != null && namespace.length() == 0){
                xPathFragment.setNamespaceURI(null);
            } else {
                xPathFragment.setNamespaceURI(namespace);
            }
            XPathNode node = (XPathNode)attributeChildrenMap.get(xPathFragment);
            if (node != null) {
                return node.getUnmarshalNodeValue();
            }
        }
        return null;
    }

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        }


        if (null != xPathNode.getSelfChildren()) {
            int selfChildrenSize = xPathNode.getSelfChildren().size();
            for (int x = 0; x < selfChildrenSize; x++) {
                XPathNode selfNode = xPathNode.getSelfChildren().get(x);
                if (null != selfNode.getNodeValue()) {
                    selfNode.getNodeValue().endSelfNodeValue(this, selfRecords.get(x), attributes);
                }
            }
        }


        ClassDescriptor xmlDescriptor = treeObjectBuilder.getDescriptor();

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            if(unmappedLevel != -1 && unmappedLevel <= levelIndex) {
                levelIndex++;
                return;
            }


            XPathNode node = getNonAttributeXPathNode(namespaceURI, localName, qName, atts);            


            if(null == node && xPathNode.getTextNode() != null){
              XPathFragment textWrapperFragment = getTextWrapperFragment();
                if(textWrapperFragment != null && localName.equals(textWrapperFragment.getLocalName())){
                   node = xPathNode.getTextNode();
                }
            }
            if (null == node) {
                NodeValue parentNodeValue = xPathNode.getUnmarshalNodeValue();
                if ((null == xPathNode.getXPathFragment()) && (parentNodeValue != null)) {
                    XPathFragment parentFragment = new XPathFragment();
                    parentFragment.setNamespaceAware(isNamespaceAware());
                    if(namespaceURI != null && namespaceURI.length() == 0){
                        parentFragment.setLocalName(qName);
                        parentFragment.setNamespaceURI(null);
                    } else {
                        parentFragment.setLocalName(localName);
                        parentFragment.setNamespaceURI(namespaceURI);
                    }
                    if (parentNodeValue.startElement(parentFragment, this, atts)) {
                        levelIndex++;
                    } else {
                        // UNMAPPED CONTENT
                        startUnmappedElement(namespaceURI, localName, qName, atts);
                        return;
                    }
                } else {
                    // UNMAPPED CONTENT
                    levelIndex++;
                    startUnmappedElement(namespaceURI, localName, qName, atts);
                    return;
                }
            } else {
                xPathNode = node;
                unmarshalContext.startElement(this);
                levelIndex++;


                String xsiNilValue = atts.getValue(XMLConstants.SCHEMA_INSTANCE_URL, XMLConstants.SCHEMA_NIL_ATTRIBUTE);
                if(xsiNilValue != null){
                    isXsiNil = xsiNilValue.equals(XMLConstants.BOOLEAN_STRING_TRUE) || xsiNilValue.equals("1");
                }
                
                NodeValue nodeValue = node.getUnmarshalNodeValue();
                if (null != nodeValue) {
                    if (!nodeValue.startElement(xPathFragment, this, atts)) {
                        // UNMAPPED CONTENT
                        startUnmappedElement(namespaceURI, localName, qName, atts);
                        return;

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                        SAXParseException saxParseException = new SAXParseException(e.getLocalizedMessage(), getDocumentLocator(), e);
                        xmlReader.getErrorHandler().warning(saxParseException);
                    }
                }
            } else {
                XPathNode textNode = xPathNode.getTextNode();
                if (null != textNode && textNode.isWhitespaceAware() && getStringBuffer().length() == 0) {
                    NodeValue textNodeUnmarshalNodeValue = textNode.getUnmarshalNodeValue();
                    if (!isXsiNil) {
                        if (textNodeUnmarshalNodeValue.isMappingNodeValue()) {
                            textNodeUnmarshalNodeValue.endElement(xPathFragment, this);
                        }
                    } else {

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                }
            }
            if(-1 != unmappedLevel && unmappedLevel <= levelIndex) {
                return;
            }
            XPathNode textNode = xPathNode.getTextNode();
            if (null == textNode) {
                textNode = xPathNode.getAnyNode();
                if (textNode != null) {
                    xpathNodeIsMixedContent = true;
                    this.xPathFragment.setLocalName(null);
                    this.xPathFragment.setNamespaceURI(null);
                    if (0 == length) {
                        return;
                    }
                }
            }
            if (null != textNode) {
                if(textNode.getUnmarshalNodeValue().isMixedContentNodeValue()) {
                    String tmpString = new String(ch, start, length);
                    if (!textNode.isWhitespaceAware() && tmpString.trim().length() == 0) {
                        return;
                    }
                }
                xPathNode = textNode;
                unmarshalContext.characters(this);

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        } else {
            xPathFragment.setLocalName(localName);
            xPathFragment.setNamespaceURI(namespaceURI);
        }


        XPathNode resultNode = null;
        Map nonAttributeChildrenMap = xPathNode.getNonAttributeChildrenMap();
        if (null != nonAttributeChildrenMap) {
            resultNode = (XPathNode)nonAttributeChildrenMap.get(xPathFragment);
            if (null == resultNode) {
                // POSITIONAL MAPPING

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        Map attributeChildrenMap = xPathNode.getAttributeChildrenMap();
        if (attributeChildrenMap != null) {
            xPathFragment.setLocalName(localName);
            xPathFragment.setNamespaceURI(namespace);
           
            XPathNode node = (XPathNode)attributeChildrenMap.get(xPathFragment);
            if (node != null) {
                return node.getUnmarshalNodeValue();
            }
        }
        return null;
    }

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            if (null != xPathNode.getSelfChildren()) {
                int selfChildrenSize = xPathNode.getSelfChildren().size();
                selfRecords = new ArrayList<UnmarshalRecord>(selfChildrenSize);
                for (int x = 0; x < selfChildrenSize; x++) {
                    XPathNode selfNode = xPathNode.getSelfChildren().get(x);
                    if (null != selfNode.getNodeValue()) {
                        selfRecords.add(selfNode.getNodeValue().buildSelfRecord(this, attributes));
                    }
                }
            }
        } catch (EclipseLinkException e) {
            if (null == xmlReader.getErrorHandler()) {

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