Examples of org.eclipse.persistence.oxm.XMLField

org.eclipse.persistence.oxm.XMLField

3.org/2001/XMLSchema"> -->

XML Schema
<?xml version="1.0" encoding="UTF-8"?> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <xsd:element name="customer" type="customer-type"/> <xsd:complexType name="customer-type"> <xsd:sequence> <xsd:element name="picture" type="xsd:hexBinary"/> <xsd:element name="resume" type="xsd:base64Binary"/> </xsd:sequence> </xsd:complexType> </xsd:schema>

Code Sample
XMLField pictureField = new XMLField("picture/text()") pictureField.setSchemaType(XMLConstants.HEX_BINARY_QNAME);

Setting custom conversion pairs: By default in TopLink XML built-in schema types are associated with java classes and vice versa. These default pairs can be modified by the user using the addJavaConversion and addXMLConversion api. For example by default a java.util.Calendar is mapped to the dateTime schema type so the XML will be formated based on that type. Below are the default schema type to java type conversion pairs and the default java type to schema type conversion pairs.

XML schema type to Java type default conversion pairs

Schema Type	Java Type
base64Binary	byte[]
boolean	boolean
byte	byte
date	java.util.Calendar
dateTime	java.util.Calendar
decimal	java.math.BigDecimal
double	double
float	float
hexBinary	byte[]
int	int
integer	java.math.BigInteger
long	long
QName	javax.xml.namespace.QName
time	java.util.Calendar
unsignedByte	short
unsignedInt	long
unsignedShort	int
anySimpleType	java.lang.String

Java type to XML schema type default conversion pairs

Java Type	Schema Type
byte[]	hexBinary
java.lang.Byte[]	hexBinary
java.math.BigDecimal	decimal
java.math.BigInteger	integer
boolean	boolean
java.lang.Boolean	boolean
java.lang.Byte	Byte
byte	byte
java.util.Calendar	dateTime
java.util.GregorianCalendar	dateTime
double	double
java.lang.Double	double
float	float
java.lang.Float	float
int	int
java.lang.Integer	int
long	long
java.lang.Long	long
short	short
java.lang.Short	short
javax.xml.namespace.QName	QName
java.lang.String	string

@see org.eclipse.persistence.oxm.XMLUnionField

                            if (value == null) {
                                //Marshal out xsi:nil=true   
                                marshalNilAttribute((SDOProperty)nextSetting.getProperty(), row);                            
                            } else {
                                String xPath = getXPathForProperty((SDOProperty)nextSetting.getProperty());
                                XMLField field = new XMLField(xPath);
                                field.setNamespaceResolver(((SDOTypeHelper)typeHelper).getNamespaceResolver());
                                row.put(field, value);
                            }
                        }
                    }
                }

View Full Code Here

            ((SDOTypeHelper)typeHelper).getNamespaceResolver().put(xsiPrefix, XMLConstants.SCHEMA_INSTANCE_URL);
        }
        String xPath = getXPathForProperty(property, true);
        xPath = xPath + "/@" + xsiPrefix + ":nil";


        XMLField field = new XMLField(xPath);
        field.setNamespaceResolver(((SDOTypeHelper)typeHelper).getNamespaceResolver());
        row.put(field, "true");
    }

View Full Code Here

            }
        });
        isCollection.setXPath("@isCollection");
        descriptor.addMapping(isCollection);
        
        XMLField isColl = new XMLField("@isCollection");
        isColl.setSchemaType(BOOLEAN_QNAME);
        descriptor.getInheritancePolicy().setClassIndicatorField(isColl);
        descriptor.getInheritancePolicy().setClassExtractor(new ClassExtractor() {
            @Override
            public Class<?> extractClassFromRow(Record record, Session session) {
                Class<?> clz = Result.class;

View Full Code Here

                ((Element) xmlRow.getDOM()).setAttributeNS(XMLConstants.XMLNS_URL, XMLConstants.XMLNS + ":" + XMLConstants.SCHEMA_INSTANCE_PREFIX, XMLConstants.SCHEMA_INSTANCE_URL);
                String typeValue = descriptor.getSchemaReference().getSchemaContext();
                typeValue = typeValue.substring(1);


                // xsi:type="typevalue"
                XMLField xsiTypefield = new XMLField("@xsi:type");
                xsiTypefield.setNamespaceResolver(xmlRow.getNamespaceResolver());
                XPathEngine.getInstance().create(xsiTypefield, docElement, typeValue, session);


            }
            object = ((XMLRoot) object).getObject();
        }

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        NamespaceResolver resolver = new NamespaceResolver();
        resolver.put(XMLConstants.XMLNS, XMLConstants.XMLNS_URL);
        resolver.put(XMLConstants.SCHEMA_INSTANCE_PREFIX, XMLConstants.SCHEMA_INSTANCE_URL);


        if ((getSchemaLocation() != null) || (getNoNamespaceSchemaLocation() != null)) {
            XMLField field = new XMLField("@xmlns:xsi");
            field.setNamespaceResolver(resolver);
            XPathEngine.getInstance().create(field, docElement, XMLConstants.SCHEMA_INSTANCE_URL, session);
        }
        if (getSchemaLocation() != null) {
            XMLField field = new XMLField("@xsi:" + XMLConstants.SCHEMA_LOCATION);
            field.setNamespaceResolver(resolver);
            XPathEngine.getInstance().create(field, docElement, getSchemaLocation(), session);
        }
        if (getNoNamespaceSchemaLocation() != null) {
            XMLField field = new XMLField("@xsi:" + XMLConstants.NO_NS_SCHEMA_LOCATION);
            field.setNamespaceResolver(resolver);
            XPathEngine.getInstance().create(field, docElement, getNoNamespaceSchemaLocation(), session);
        }
    }

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            if (xdesc != null) {
                return xdesc.getJavaClass() != descriptor.getJavaClass();
            }
            
            if (descriptor.hasInheritance()) {
                XMLField classIndicatorField = (XMLField) descriptor.getInheritancePolicy().getClassIndicatorField();
                String classIndicatorUri = null;
                String classIndicatorLocalName = classIndicatorField.getXPathFragment().getLocalName();
                String classIndicatorPrefix = classIndicatorField.getXPathFragment().getPrefix();
                if (classIndicatorPrefix != null) {
                    classIndicatorUri = descriptor.getNamespaceResolver().resolveNamespacePrefix(classIndicatorPrefix);
                }


                if ((classIndicatorLocalName != null) && classIndicatorLocalName.equals(XMLConstants.SCHEMA_TYPE_ATTRIBUTE) && (classIndicatorUri != null) && classIndicatorUri.equals(XMLConstants.SCHEMA_INSTANCE_URL)) {

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     */
    public void add(DatabaseField key, Object value) {
        if (null == value) {
            return;
        }
        XMLField xmlField = convertToXMLField(key);
        XPathFragment lastFragment = xmlField.getLastXPathFragment();
        XMLConversionManager xcm = (XMLConversionManager) session.getDatasourcePlatform().getConversionManager();
        if (lastFragment.nameIsText()) {
            String stringValue = (String)xcm.convertObject(value, String.class);
            characters(stringValue);
        } else if (lastFragment.isAttribute()) {
            String stringValue = (String)xcm.convertObject(value, String.class);
            attribute(lastFragment, xmlField.getNamespaceResolver(), stringValue);
        } else {
            element(lastFragment.getNamespaceURI(), lastFragment.getXPath(), lastFragment.getShortName());
        }
    }

View Full Code Here

    /**
     * INTERNAL:
     * Check if the field is contained in the row.
     */
    public boolean containsKey(DatabaseField key) {
        XMLField xmlField = convertToXMLField(key);
        NodeList nodeList = UnmarshalXPathEngine.getInstance().selectNodes(dom, xmlField, xmlField.getNamespaceResolver());
        return nodeList.getLength() > 0;
    }

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     */
    public Object getIndicatingNoEntry(DatabaseField key) {
        return getIndicatingNoEntry(key, false);
    }
    public Object getIndicatingNoEntry(DatabaseField key, boolean shouldReturnNode) {
        XMLField field = convertToXMLField(key);


        // handle 'self' xpath
        if (field.isSelfField()) {
            return this;
        }


        Object result = UnmarshalXPathEngine.getInstance().selectSingleNode(dom, field, field.getNamespaceResolver());


        if(result == noEntry) {
            if(shouldReturnNode) {
                return null;
            }

View Full Code Here

    /**
     * INTERNAL:
     * Retrieve the value for the field name.
     */
    public Object getValues(String key) {
        Object value = getValuesIndicatingNoEntry(new XMLField(key));


        if (value == AbstractRecord.noEntry) {
            return null;
        }

View Full Code Here

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