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.

        super.setName(xPath, null, null);


        if (hasPath(xPath)) {
            buildFragments(xPath);
        } else {
            XPathFragment xPathFragment = new XPathFragment(xPath.intern());
            xPathFragment.setXMLField(this);
            setXPathFragment(xPathFragment);
            setLastXPathFragment(xPathFragment);
        }
    }

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    private void buildFragments(String xpathString) {
        StringTokenizer st = new StringTokenizer(xpathString, "/", true);        
        String next;
        int i = 0;
        XPathFragment currentXPathFragment = null;
        XPathFragment nextXPathFragment = null;


        while (st.hasMoreTokens()) {
            next = st.nextToken();
            if (null != next) {
                if ("/".equals(next)) {
                    if (0 == i) {
                        next = "/" + st.nextToken();
                    } else { 
                        continue;
                    }
                }                   
                if (next.contains("[") && !next.contains("]")) {
                    StringBuilder sb = new StringBuilder(next);
                    String more;
                    while (st.hasMoreTokens()) {
                        more = st.nextToken();
                        sb.append(more);
                        if (more.contains("]"))
                            break;
                    }   
                    next = sb.toString().intern();
                } else {
                    next = next.intern();
                }
                nextXPathFragment = new XPathFragment(next);
                if (0 == i) {
                    setXPathFragment(nextXPathFragment);
                } else {
                    currentXPathFragment.setNextFragment(nextXPathFragment);
                    if (nextXPathFragment.isAttribute() || nextXPathFragment.nameIsText()) {
                        currentXPathFragment.setHasText(true);
                    }
                }
                nextXPathFragment.setXMLField(this);
                currentXPathFragment = nextXPathFragment;
                i++;
            }
            setLastXPathFragment(currentXPathFragment);
        }

View Full Code Here

            }
            XMLField xmlField = (XMLField) object;
            if(!xPathFragment.equals(xmlField.getXPathFragment())) {
                return false;
            }
            XPathFragment xpf = xPathFragment;
            XPathFragment xpf2 = xmlField.getXPathFragment();
            while(xpf.getNextFragment() != null) {
                xpf = xpf.getNextFragment();
                xpf2 = xpf2.getNextFragment();
                if(!xpf.equals(xpf2)) {
                    return false;
                }
            }
            return null == xpf2.getNextFragment();
        } catch(ClassCastException e) {
            return false;
        }
    }

View Full Code Here


        private void updateResolverForFields(Collection fields, NamespaceResolver nr){
            Iterator fieldIter = fields.iterator();
            while (fieldIter.hasNext()) {
                XMLField field = (XMLField) fieldIter.next();
                XPathFragment currentFragment = field.getXPathFragment();


                while (currentFragment != null) {
                    String uri = currentFragment.getNamespaceURI();
                    if (uri != null && nr.resolveNamespaceURI(uri) == null && !uri.equals(nr.getDefaultNamespaceURI())) {
                        String prefix = currentFragment.getPrefix();
                        if (prefix == null) {
                            prefix = nr.generatePrefix();
                        }
                        nr.put(prefix, uri);
                    }
                    currentFragment = currentFragment.getNextFragment();
                }
            }
        }

View Full Code Here

        if(valueClass == XMLRoot.class) {
            //look for a nested mapping based on the Root's QName
            XMLRoot root = (XMLRoot)value;
            for(DatabaseField next:this.fields) {
                XMLField xmlField = (XMLField)next;
                XPathFragment fragment = xmlField.getXPathFragment();
                while(fragment != null && !fragment.nameIsText()) {
                    if(fragment.getNextFragment() == null || fragment.getHasText()) {
                        if(fragment.getLocalName().equals(root.getLocalName())) {
                            String fragUri = fragment.getNamespaceURI();
                            String namespaceUri = root.getNamespaceURI();
                            if((namespaceUri == null && fragUri == null) || (namespaceUri != null && fragUri != null && namespaceUri.equals(fragUri))) {
                                XMLMapping mapping = choiceElementMappings.get(xmlField);
                                mapping.writeSingleValue(value, object, (XMLRecord)row, session);
                                return;
                            }
                        }
                    }
                    fragment = fragment.getNextFragment();
                }
            }
            //If the root doesn't match any of the types, try the class
            valueClass = root.getObject().getClass();
        }

View Full Code Here

    public boolean isPositional() {
        if (getXmlPath() == null) {
            return false;
        }
        XMLField field = new XMLField(getXmlPath());
        XPathFragment frag = field.getXPathFragment();
        // loop until we have the last non-null, non-attribute, non-text fragment
        while (true) {
            if (frag.getNextFragment() != null && !frag.getNextFragment().isAttribute() && !frag.getNextFragment().nameIsText()) {
                frag = frag.getNextFragment();
            } else {
                break;
            }
        }
        return frag.containsIndex() || frag.getPredicate() != null;
    }

View Full Code Here

     * @param seq
     * @param ct
     * @param workingSchema
     */
    private void processXMLDirectMapping(XMLDirectMapping mapping, Sequence seq, ComplexType ct, Schema workingSchema) {
        XPathFragment frag = ((XMLField) mapping.getField()).getXPathFragment();
        if (frag.isSelfFragment()) {
            // do nothing;
            return;
        }


        String schemaTypeString = getSchemaTypeForDirectMapping(mapping, workingSchema);
        if (frag.isAttribute()) {
            Attribute attr = buildAttribute(mapping, schemaTypeString);
            ct.getOrderedAttributes().add(attr);
        } else {
            Element elem = buildElement(frag, schemaTypeString, Occurs.ZERO, null);
            seq.addElement(elem);

View Full Code Here

            ctype = buildComplexType(true, refDesc, schemaForNamespace, workingSchema, properties, descriptors);
        } else {
            element.setType(getSchemaTypeString(refDesc.getSchemaReference().getSchemaContextAsQName(workingSchema.getNamespaceResolver()), workingSchema));
        }
       
        XPathFragment frag = ((XMLField) mapping.getField()).getXPathFragment();
        String fragUri = frag.getNamespaceURI();
        if (fragUri != null) {
            // may need to add a global element
            Schema s = getSchema(fragUri, null, schemaForNamespace, properties);
            String targetNS = workingSchema.getTargetNamespace();
            if ((s.isElementFormDefault() && !fragUri.equals(targetNS)) || (!s.isElementFormDefault() && !fragUri.equals(""))) {
                if (s.getTopLevelElements().get(frag.getShortName()) == null) {
                    Element globalElement = new Element();
                    globalElement.setName(frag.getLocalName());
                    if (ctype != null) {
                        globalElement.setComplexType(ctype);
                    } else {
                        globalElement.setType(getSchemaTypeString(refDesc.getSchemaReference().getSchemaContextAsQName(workingSchema.getNamespaceResolver()), workingSchema));
                    }
                    s.getTopLevelElements().put(frag.getShortName(), globalElement);
                }
                element = new Element();
                element.setMinOccurs(Occurs.ZERO);
                element.setRef(frag.getShortName());
            } else {
                element.setComplexType(ctype);
            }
        } else if (ctype != null) {
            element.setComplexType(ctype);

View Full Code Here

            ctype = buildComplexType(true, refDesc, schemaForNamespace, workingSchema, properties, descriptors);
        } else {
            element.setType(getSchemaTypeString(refDesc.getSchemaReference().getSchemaContextAsQName(workingSchema.getNamespaceResolver()), workingSchema));
        }


        XPathFragment frag = ((XMLField) mapping.getField()).getXPathFragment();
        String fragUri = frag.getNamespaceURI();
        if (fragUri != null) {
            // may need to add a global element
            Schema s = getSchema(fragUri, null, schemaForNamespace, properties);
            String targetNS = workingSchema.getTargetNamespace();
            if ((s.isElementFormDefault() && !fragUri.equals(targetNS)) || (!s.isElementFormDefault() && !fragUri.equals(""))) {
                if (s.getTopLevelElements().get(frag.getShortName()) == null) {
                    Element globalElement = new Element();
                    globalElement.setName(frag.getLocalName());
                    if (ctype != null) {
                        globalElement.setComplexType(ctype);
                    } else {
                        globalElement.setType(getSchemaTypeString(refDesc.getSchemaReference().getSchemaContextAsQName(workingSchema.getNamespaceResolver()), workingSchema));
                    }
                    s.getTopLevelElements().put(frag.getShortName(), globalElement);
                }
                element = new Element();
                element.setMinOccurs(Occurs.ZERO);
                element.setMaxOccurs(Occurs.UNBOUNDED);
                element.setRef(frag.getShortName());
            } else {
                element.setComplexType(ctype);
            }
        } else if (ctype != null) {
            element.setComplexType(ctype);

View Full Code Here

     * @param mapping
     * @param schemaType
     * @return
     */
    protected Attribute buildAttribute(XMLDirectMapping mapping, String schemaType) {
        XPathFragment frag = ((XMLField) mapping.getField()).getXPathFragment();
        Attribute attr = new Attribute();
        attr.setName(frag.getShortName());
        attr.setType(schemaType);
        return attr;
    }

View Full Code Here

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