Package org.eclipse.persistence.platform.xml

Examples of org.eclipse.persistence.platform.xml.XMLNodeList

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            if (nodes.getLength() > 0) {
                return nodes;
            }
        }

        XMLNodeList elementsToReturn = new XMLNodeList();

        if (value == this) {
            String namespace = resolveNamespacePrefix(fragment, getNamespaceResolverForField(xmlField));
            Element newElement = parent.getOwnerDocument().createElementNS(namespace, fragment.getShortName());
            elementsToReturn.add(newElement);
            docPresPolicy.getNodeOrderingPolicy().appendNode(parent, newElement, sibling);

        } else if (value == null) {
            elementsToReturn.add(parent);
        } else {
            // Value may be a direct value, node, or list of values.
            if (value instanceof List) {
                List values = (List)value;
                for (int index = 0; index < values.size(); index++) {
                    Element newElement = null;

                    if (values.get(index) != XMLRecord.NIL) {
                        newElement = (Element) createElement(parent, fragment, xmlField, values.get(index), session);
                    } else {
                        newElement = (Element) createElement(parent, fragment, xmlField, XMLConstants.EMPTY_STRING, session);
                        newElement.setAttributeNS(XMLConstants.SCHEMA_INSTANCE_URL, XMLConstants.SCHEMA_INSTANCE_PREFIX + ":" + XMLConstants.SCHEMA_NIL_ATTRIBUTE, XMLConstants.BOOLEAN_STRING_TRUE);
                    }

                    docPresPolicy.getNodeOrderingPolicy().appendNode(parent, newElement, sibling);
                    elementsToReturn.add(newElement);
                    sibling = newElement;
                }
            } else {
                Element newElement = (Element)createElement(parent, fragment, xmlField, value, session);
                docPresPolicy.getNodeOrderingPolicy().appendNode(parent, newElement, sibling);
                elementsToReturn.add(newElement);
            }
        }
        return elementsToReturn;
    }
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    * @return <code>NodeList</code> containing the nodes that were replaced.
    */
    public NodeList replaceValue(XMLField xmlField, Node parent, Object value, AbstractSession session) throws XMLMarshalException {
        NodeList nodes = unmarshalXPathEngine.selectNodes(parent, xmlField, getNamespaceResolverForField(xmlField));
        int numberOfNodes = nodes.getLength();
        XMLNodeList createdElements = new XMLNodeList();
        for (int i = 0; i < numberOfNodes; i++) {
            Node node = nodes.item(i);

            // Handle Attributes and Text
            if (node.getNodeType() != Node.ELEMENT_NODE) {
                if (((node.getNodeType() == Node.TEXT_NODE) || (node.getNodeType() == Node.CDATA_SECTION_NODE)) && (value == null)) {
                    Node parentNode = node.getParentNode();
                    Node grandParentNode = parentNode.getParentNode();
                    grandParentNode.removeChild(parentNode);
                } else {
                    node.setNodeValue((String) ((XMLConversionManager)session.getDatasourcePlatform().getConversionManager()).convertObject(value, ClassConstants.STRING));
                }
            } else {
                Element element = (Element)node;
                Node parentNode = element.getParentNode();
                if (value == null) {
                    parentNode.removeChild(element);
                } else {
                    String elementName = element.getTagName();

                    Element newElement = null;

                    Object valueToWrite = getValueToWrite(value, xmlField, session);
                    XPathFragment childFrag = new XPathFragment(elementName);
                    childFrag.setNamespaceURI(element.getNamespaceURI());
                    newElement = (Element)createElement(parentNode, childFrag, xmlField, valueToWrite, session);

                    createdElements.add(newElement);


                    if (newElement != element) {
                        parentNode.replaceChild(newElement, element);
                    }
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        if (fragment.getNextFragment() == null) {
            if (fragment.nameIsText()) {
                Object textValue = getValueToWrite(value, xmlField, session);
                if (textValue instanceof String) {
                    if (xmlField.isTypedTextField()) {
                        XMLNodeList createdElements = new XMLNodeList();
                        createdElements.add(element);
                        addTypeAttributes(createdElements, xmlField, value, resolveNamespacePrefixForURI(XMLConstants.SCHEMA_INSTANCE_URL, getNamespaceResolverForField(xmlField)));
                    }
                    return addText(xmlField, element, (String)textValue);
                }
                return null;
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    * @return The last <code>XMLNode</code> in the path
    *
    * @exception org.eclipse.persistence.oxm.exceptions.XMLMarshalException Thrown if passed an invalid XPath string
    */
    private NodeList createCollection(XMLField xmlField, Node element, Object value, XMLField lastUpdated, DocumentPreservationPolicy docPresPolicy, AbstractSession session) throws XMLMarshalException {
        XMLNodeList createdElements = new XMLNodeList();

        //CR:### If the value is null, then the node(s) must not be created.
        if ((value == null) || (value instanceof Collection && (((Collection)value).size() == 0))) {
            return createdElements;
        }
        Node nextElement = element;
        Element sibling = null;
        XPathFragment siblingFragment = null;
        if(lastUpdated != null) {
            siblingFragment = lastUpdated.getXPathFragment();
        }
        if ((lastUpdated != null) && !siblingFragment.isAttribute() && !siblingFragment.nameIsText()) {
            //find the sibling element.
            NodeList nodes = unmarshalXPathEngine.selectElementNodes(element, siblingFragment, getNamespaceResolverForField(lastUpdated));
            if (nodes.getLength() > 0) {
                sibling = (Element)nodes.item(nodes.getLength() - 1);
            }
        }
        NodeList elements;
        XPathFragment next = xmlField.getXPathFragment();
        while (next != null) {
            if (next.isAttribute()) {
                addAttribute(next, xmlField, nextElement, value, session);
            } else if (next.containsIndex()) {
                // If we are creating multiple nodes from this XPath, assume the value is for the last node.
                boolean hasMore = !(next.getHasText() || (next.getNextFragment() == null));

                if (hasMore) {
                    nextElement = addIndexedElement(next, xmlField, nextElement, this, !hasMore, session);
                } else {
                    Object valueToWrite = getValueToWrite(value, xmlField, session);
                    nextElement = addIndexedElement(next, xmlField, nextElement, valueToWrite, !hasMore, session);
                    createdElements.add(nextElement);
                }
            } else {
                boolean hasMore = !(next.getHasText() || (next.getNextFragment() == null));

                if (hasMore) {
                    elements = addElements(next, xmlField, nextElement, this, !hasMore, sibling, docPresPolicy, session);
                } else {
                    XPathFragment nextFragment = next.getNextFragment();
                    if ((nextFragment != null) && nextFragment.isAttribute() && !(value instanceof List)) {
                        elements = addElements(next, xmlField, nextElement, this, hasMore, sibling, docPresPolicy, session);
                    } else {
                        Object valueToWrite = getValueToWrite(value, xmlField, session);
                        elements = addElements(next, xmlField, nextElement, valueToWrite, !hasMore, sibling, docPresPolicy, session);
                        createdElements.addAll(elements);
                    }
                }

                nextElement = elements.item(elements.getLength() - 1);
            }
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            if (nodes.getLength() > 0) {
                return nodes;
            }
        }

        XMLNodeList elementsToReturn = new XMLNodeList();

        if (value == this) {
            String namespace = resolveNamespacePrefix(fragment, getNamespaceResolverForField(xmlField));
            Element newElement = parent.getOwnerDocument().createElementNS(namespace, fragment.getShortName());
            elementsToReturn.add(newElement);
            docPresPolicy.getNodeOrderingPolicy().appendNode(parent, newElement, sibling);

        } else if (value == null) {
            elementsToReturn.add(parent);
        } else {
            // Value may be a direct value, node, or list of values.
            if (value instanceof List) {
                List values = (List)value;
                for (int index = 0; index < values.size(); index++) {
                    Element newElement = null;

                    if (values.get(index) != XMLRecord.NIL) {
                        newElement = (Element) createElement(parent, fragment, xmlField, values.get(index), session);
                    } else {
                        newElement = (Element) createElement(parent, fragment, xmlField, XMLConstants.EMPTY_STRING, session);
                        newElement.setAttributeNS(XMLConstants.SCHEMA_INSTANCE_URL, XMLConstants.SCHEMA_INSTANCE_PREFIX + ":" + XMLConstants.SCHEMA_NIL_ATTRIBUTE, XMLConstants.BOOLEAN_STRING_TRUE);
                    }

                    docPresPolicy.getNodeOrderingPolicy().appendNode(parent, newElement, sibling);
                    elementsToReturn.add(newElement);
                    sibling = newElement;
                }
            } else {
                Element newElement = (Element)createElement(parent, fragment, xmlField, value, session);
                docPresPolicy.getNodeOrderingPolicy().appendNode(parent, newElement, sibling);
                elementsToReturn.add(newElement);
            }
        }
        return elementsToReturn;
    }
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    * @return <code>NodeList</code> containing the nodes that were replaced.
    */
    public NodeList replaceValue(XMLField xmlField, Node parent, Object value, AbstractSession session) throws XMLMarshalException {
        NodeList nodes = unmarshalXPathEngine.selectNodes(parent, xmlField, getNamespaceResolverForField(xmlField));
        int numberOfNodes = nodes.getLength();
        XMLNodeList createdElements = new XMLNodeList();
        for (int i = 0; i < numberOfNodes; i++) {
            Node node = nodes.item(i);

            // Handle Attributes and Text
            if (node.getNodeType() != Node.ELEMENT_NODE) {
                if (((node.getNodeType() == Node.TEXT_NODE) || (node.getNodeType() == Node.CDATA_SECTION_NODE)) && (value == null)) {
                    Node parentNode = node.getParentNode();
                    Node grandParentNode = parentNode.getParentNode();
                    grandParentNode.removeChild(parentNode);
                } else {
                    node.setNodeValue((String) ((XMLConversionManager)session.getDatasourcePlatform().getConversionManager()).convertObject(value, ClassConstants.STRING));
                }
            } else {
                Element element = (Element)node;
                Node parentNode = element.getParentNode();
                if (value == null) {
                    parentNode.removeChild(element);
                } else {
                    String elementName = element.getTagName();

                    Element newElement = null;

                    Object valueToWrite = getValueToWrite(value, xmlField, session);
                    XPathFragment childFrag = new XPathFragment(elementName);
                    childFrag.setNamespaceURI(element.getNamespaceURI());
                    newElement = (Element)createElement(parentNode, childFrag, xmlField, valueToWrite, session);

                    createdElements.add(newElement);


                    if (newElement != element) {
                        parentNode.replaceChild(newElement, element);
                    }
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    private NodeList selectNodes(Node contextNode, XPathFragment xPathFragment, XMLNamespaceResolver xmlNamespaceResolver, AbstractNullPolicy nullPolicy) {
        NodeList resultNodes = getNodes(contextNode, xPathFragment, xmlNamespaceResolver, nullPolicy);

        if (xPathFragment.getNextFragment() != null) {
            Node resultNode;
            XMLNodeList result = new XMLNodeList();
            int numberOfResultNodes = resultNodes.getLength();
            for (int x = 0; x < numberOfResultNodes; x++) {
                resultNode = resultNodes.item(x);
                result.addAll(selectNodes(resultNode, xPathFragment.getNextFragment(), xmlNamespaceResolver, nullPolicy));
            }
            return result;
        }

        return resultNodes;
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        if (xPathFragment.isAttribute()) {
            return selectAttributeNodes(contextNode, xPathFragment, xmlNamespaceResolver);
        } else if (xPathFragment.nameIsText()) {
            return selectTextNodes(contextNode, nullPolicy);
        } else if (xPathFragment.isSelfFragment()) {
            XMLNodeList xmlNodeList = new XMLNodeList(1);
            xmlNodeList.add(contextNode);
            return xmlNodeList;
        }

        if (xPathFragment.containsIndex()) {
            return selectElementNodes(contextNode, xPathFragment, xmlNamespaceResolver, xPathFragment.getIndexValue());
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            }
        }
    }

    private NodeList selectAttributeNodes(Node contextNode, XPathFragment xPathFragment, XMLNamespaceResolver xmlNamespaceResolver) {
        XMLNodeList xmlNodeList = new XMLNodeList();

        Node child = selectSingleAttribute(contextNode, xPathFragment, xmlNamespaceResolver);
        if (null != child) {
            xmlNodeList.add(child);
        }
        return xmlNodeList;
    }
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        }
        return null;
    }

    public NodeList selectElementNodes(Node contextNode, XPathFragment xPathFragment, XMLNamespaceResolver xmlNamespaceResolver) {
        XMLNodeList xmlNodeList = new XMLNodeList();
        Node child = contextNode.getFirstChild();

        while (null != child) {
            String elementNamespaceURI = null;
            if(xmlNamespaceResolver != null) {
                elementNamespaceURI = xmlNamespaceResolver.resolveNamespacePrefix(xPathFragment.getPrefix());
            }
            if ((child.getNodeType() == Node.ELEMENT_NODE) && sameName(child, xPathFragment.getLocalName()) && sameNamespaceURI(child, elementNamespaceURI)) {
                xmlNodeList.add(child);
            }
            child = child.getNextSibling();
        }
        return xmlNodeList;
    }
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Related Classes of org.eclipse.persistence.platform.xml.XMLNodeList

  • org.eclipse.persistence.internal.oxm.UnmarshalXPathEngine
  • org.eclipse.persistence.internal.oxm.XPathEngine
  • java.util.ArrayList
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