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.

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


        XPathNode resultNode = null;
        Map nonAttributeChildrenMap = xPathNode.getNonAttributeChildrenMap();
        if (null != nonAttributeChildrenMap) {
            resultNode = (XPathNode)nonAttributeChildrenMap.get(xPathFragment);
            XPathNode nonPredicateNode = null;
            if(resultNode != null && resultNode.hasPredicateSiblings()) {
                nonPredicateNode = resultNode;
                resultNode = null;
            }
            if (null == resultNode) {

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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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          boolean isTextValue = isTextValue(parentLocalName);           
            int size = tree.getChildCount();
            if(size == 0){       
              if(contentHandler instanceof UnmarshalRecord){
                UnmarshalRecord ur = (UnmarshalRecord)contentHandler;                  
                    XPathNode node = ur.getNonAttributeXPathNode(uri, parentLocalName, parentLocalName, null);
                    if(node != null){
                      NodeValue nv = node.getNodeValue();
                      if(nv == null && node.getTextNode() != null){
                        nv = node.getTextNode().getUnmarshalNodeValue();
                      }
                      if(nv != null && nv.isContainerValue()){
                        ur.getContainerInstance(((ContainerValue)nv));
                      }
                    }
              }
            }
            startCollection();
            
            if(size == 1){
        CommonTree ct = (CommonTree) tree.getChild(0);
        if(ct != null && ct.getType() == JSONLexer.NULL){
          contentHandler.setNil(true);
        }
        if(!isTextValue){
                  contentHandler.startElement(uri, parentLocalName, parentLocalName, attributes.setTree(ct, attributePrefix, namespaces, namespaceSeparator, namespaceAware));
                  }
                   parse(ct);
                   if(!isTextValue){
                      contentHandler.endElement(uri, parentLocalName, parentLocalName);
                   }
      }else{
            
      XPathFragment groupingXPathFragment = null;
      XPathFragment itemXPathFragment = null;
            if(contentHandler instanceof UnmarshalRecord) {
                UnmarshalRecord unmarshalRecord = (UnmarshalRecord) contentHandler;
                if(unmarshalRecord.getUnmarshaller().isWrapperAsCollectionName()) {
                    XPathNode unmarshalRecordXPathNode = unmarshalRecord.getXPathNode();
                    if(null != unmarshalRecordXPathNode) {
                        XPathFragment currentFragment = new XPathFragment();
                        currentFragment.setLocalName(parentLocalName);
                        currentFragment.setNamespaceURI(uri);
                        currentFragment.setNamespaceAware(namespaceAware);
                        XPathNode groupingXPathNode = unmarshalRecordXPathNode.getNonAttributeChildrenMap().get(currentFragment);
                        if(groupingXPathNode != null) {
                            if(groupingXPathNode.getUnmarshalNodeValue() instanceof CollectionGroupingElementNodeValue) {
                                groupingXPathFragment = groupingXPathNode.getXPathFragment();
                                contentHandler.startElement(uri, parentLocalName, parentLocalName, new AttributesImpl());
                                XPathNode itemXPathNode = groupingXPathNode.getNonAttributeChildren().get(0);
                                itemXPathFragment = itemXPathNode.getXPathFragment();
                            } else if(groupingXPathNode.getUnmarshalNodeValue() == null) {
                                XPathNode itemXPathNode = groupingXPathNode.getNonAttributeChildren().get(0);
                                if(itemXPathNode != null) {
                                    if(((MappingNodeValue)itemXPathNode.getUnmarshalNodeValue()).isContainerValue()) {
                                        groupingXPathFragment = groupingXPathNode.getXPathFragment();
                                        contentHandler.startElement(uri, parentLocalName, parentLocalName, new AttributesImpl());
                                         itemXPathFragment = itemXPathNode.getXPathFragment();
                                    }
                                }
                            }
                        }
                    }

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    public boolean isInCollection(){
      return isInCollection;
    }
    
    private boolean isTextValue(String localName){
       XPathNode currentNode = ((UnmarshalRecord)contentHandler).getXPathNode();  
       if(currentNode == null){
         return textWrapper != null && textWrapper.equals(localName);
       }


      return((currentNode.getNonAttributeChildrenMap() == null 
          || currentNode.getNonAttributeChildrenMap().size() ==0 
          || (currentNode.getNonAttributeChildrenMap().size() == 1 &&  currentNode.getTextNode() != null))
          && textWrapper != null && textWrapper.equals(localName));
    }

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            field = (XMLField) referenceMapping.getFields().get(0);
        } else {
            field = (XMLField) sdoMapping.getField();
        }
        TreeObjectBuilder treeObjectBuilder = (TreeObjectBuilder) descriptor.getObjectBuilder();
        XPathNode xPathNode = treeObjectBuilder.getRootXPathNode();
        XPathFragment xPathFragment = field.getXPathFragment();
        while (xPathNode != null && xPathFragment != null) {
            if (xPathFragment.isAttribute()) {
                if (sdoProperty.isMany() && !sdoProperty.isContainment() && !sdoProperty.getType().isDataType()) {
                    xPathFragment = null;
                    break;
                }
                Map attributeChildrenMap = xPathNode.getAttributeChildrenMap();
                if (null == attributeChildrenMap) {
                    xPathNode = null;
                } else {
                    xPathNode = (XPathNode) attributeChildrenMap.get(xPathFragment);
                }
            } else if (xPathFragment.nameIsText()) {
                xPathNode = xPathNode.getTextNode(); 
            } else {
                Map nonAttributeChildrenMap = xPathNode.getNonAttributeChildrenMap();
                if (null == nonAttributeChildrenMap) {
                    xPathNode = null;
                } else {
                    xPathNode = (XPathNode) nonAttributeChildrenMap.get(xPathFragment);
                }
            }
            xPathFragment = xPathFragment.getNextFragment();
            if (xPathFragment != null && xPathFragment.nameIsText()) {
                if (sdoProperty.isMany() && !sdoProperty.isContainment()) {
                    xPathFragment = null;
                    break;
                }
            }
        }
        if (null == xPathFragment && xPathNode != null) {
            if (xPathNode.getNodeValue().isMappingNodeValue()) {
                MappingNodeValue mappingNodeValue = (MappingNodeValue) xPathNode.getNodeValue();
                return mappingNodeValue.getMapping();
            }
        }
        throw SDOException.sdoJaxbNoMappingForProperty(sdoProperty.getName(), field.getXPath());
    }

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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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        }


        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);
                }
            }
        }


        try {

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


            XPathNode node = getNonAttributeXPathNode(namespaceURI, localName, qName, atts);
            if (null == node) {
                NodeValue parentNodeValue = xPathNode.getUnmarshalNodeValue();
                if ((null == xPathNode.getXPathFragment()) && (parentNodeValue != null)) {
                    XPathFragment parentFragment = new XPathFragment();
                    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++;


                isXsiNil = atts.getValue(XMLConstants.SCHEMA_INSTANCE_URL, XMLConstants.SCHEMA_NIL_ATTRIBUTE) != null;
                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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                return;
            }
            if (null != xPathNode.getUnmarshalNodeValue()) {
                xPathNode.getUnmarshalNodeValue().endElement(xPathFragment, this);
            } 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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