Package org.eclipse.persistence.oxm.record

Examples of org.eclipse.persistence.oxm.record.UnmarshalRecord


    /**
     * Create a new row/record for the object builder.
     * This allows subclasses to define different record types.
     */
    public AbstractRecord createRecord(AbstractSession session) {
      UnmarshalRecord uRec = new UnmarshalRecord(this);
      uRec.setSession(session);
        return uRec;
    }
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    }

    public Object unmarshal(InputSource inputSource, Class clazz, XMLReader xmlReader) {
        boolean isPrimitiveWrapper = isPrimitiveWrapper(clazz);
       
        UnmarshalRecord unmarshalRecord;
        XMLDescriptor xmlDescriptor = null;

        // for XMLObjectReferenceMappings we need a non-shared cache, so
        // try and get a Unit Of Work from the XMLContext
        AbstractSession session = null;

        // check for case where the reference class is a primitive wrapper - in this case, we
        // need to use the conversion manager to convert the node's value to the primitive
        // wrapper class, then create, populate and return an XMLRoot.  This will be done
        // via XMLRootRecord.
        if (isPrimitiveWrapper) {
            unmarshalRecord = new XMLRootRecord(clazz);
            unmarshalRecord.setSession((AbstractSession) xmlUnmarshaller.getXMLContext().getSession(0));
        } else if(clazz == ClassConstants.OBJECT) {
          try{
                SAXUnmarshallerHandler saxUnmarshallerHandler = new SAXUnmarshallerHandler(xmlUnmarshaller.getXMLContext());
                saxUnmarshallerHandler.setXMLReader((XMLReader)xmlReader);
                saxUnmarshallerHandler.setUnmarshaller(xmlUnmarshaller);
                saxUnmarshallerHandler.setKeepAsElementPolicy(UnmarshalKeepAsElementPolicy.KEEP_UNKNOWN_AS_ELEMENT);
                xmlReader.setContentHandler(saxUnmarshallerHandler);
                xmlReader.parse(inputSource);
           
                // resolve any mapping references
                saxUnmarshallerHandler.resolveReferences();
                return saxUnmarshallerHandler.getObject();
            } catch (IOException e) {
                throw XMLMarshalException.unmarshalException(e);
            } catch (SAXException e) {
                throw convertSAXException(e);
            }
        } else {
            // for XMLObjectReferenceMappings we need a non-shared cache, so
            // try and get a Unit Of Work from the XMLContext
            session = xmlUnmarshaller.getXMLContext().getReadSession(clazz);
            xmlDescriptor = (XMLDescriptor) session.getDescriptor(clazz);
            unmarshalRecord = (UnmarshalRecord) xmlDescriptor.getObjectBuilder().createRecord(session);
        }

        try {
            unmarshalRecord.setXMLReader(xmlReader);
            unmarshalRecord.setUnmarshaller(xmlUnmarshaller);
            xmlReader.setContentHandler(unmarshalRecord);
            try {
                unmarshalRecord.getXMLReader().setProperty("http://xml.org/sax/properties/lexical-handler", unmarshalRecord);
            } catch (SAXNotRecognizedException ex) {
            } catch (SAXNotSupportedException ex) {
                //if lexical handling is not supported by this parser, just ignore.
            }
            xmlReader.parse(inputSource);

        } catch (IOException e) {
            throw XMLMarshalException.unmarshalException(e);
        } catch (SAXException e) {
            throw convertSAXException(e);
        }

        // resolve mapping references
        xmlUnmarshaller.resolveReferences(session);

        if (isPrimitiveWrapper) {
            return unmarshalRecord.getCurrentObject();
        }
        return xmlDescriptor.wrapObjectInXMLRoot(unmarshalRecord, this.isResultAlwaysXMLRoot);
    }
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        return unmarshal(reader, node, clazz);
    }

    public Object unmarshal(DOMReader domReader, Node node, Class clazz) {
        boolean isPrimitiveWrapper = isPrimitiveWrapper(clazz);
        UnmarshalRecord unmarshalRecord;
        XMLDescriptor xmlDescriptor = null;

        AbstractSession session = null;

        // check for case where the reference class is a primitive wrapper - in this case, we
        // need to use the conversion manager to convert the node's value to the primitive
        // wrapper class, then create, populate and return an XMLRoot.  This will be done
        // via XMLRootRecord.
        if (isPrimitiveWrapper) {
            unmarshalRecord = new XMLRootRecord(clazz);
            unmarshalRecord.setSession((AbstractSession)xmlUnmarshaller.getXMLContext().getSession(0));
        } else if(clazz == ClassConstants.OBJECT) {
            SAXUnmarshallerHandler saxUnmarshallerHandler = new SAXUnmarshallerHandler(xmlUnmarshaller.getXMLContext());
            saxUnmarshallerHandler.setXMLReader(domReader);
            saxUnmarshallerHandler.setUnmarshaller(xmlUnmarshaller);
            saxUnmarshallerHandler.setKeepAsElementPolicy(UnmarshalKeepAsElementPolicy.KEEP_UNKNOWN_AS_ELEMENT);         
            domReader.setContentHandler(saxUnmarshallerHandler);
            try{
                domReader.parse(node);
            } catch (SAXException e) {
                throw convertSAXException(e);
            }

            // resolve any mapping references
            saxUnmarshallerHandler.resolveReferences();
            return saxUnmarshallerHandler.getObject();
        } else {
            // for XMLObjectReferenceMappings we need a non-shared cache, so
            // try and get a Unit Of Work from the XMLContext
            session = xmlUnmarshaller.getXMLContext().getReadSession(clazz);
            xmlDescriptor = (XMLDescriptor) session.getDescriptor(clazz);
            unmarshalRecord = (UnmarshalRecord) xmlDescriptor.getObjectBuilder().createRecord(session);
        }
        try {
            unmarshalRecord.setXMLReader(domReader);
            unmarshalRecord.setUnmarshaller(xmlUnmarshaller);
            domReader.setContentHandler(unmarshalRecord);
            domReader.setProperty("http://xml.org/sax/properties/lexical-handler", unmarshalRecord);
            domReader.parse(node);

        } catch (SAXException e) {
            throw convertSAXException(e);
        }

        // resolve mapping references
        xmlUnmarshaller.resolveReferences(session);

        if (isPrimitiveWrapper) {
            return unmarshalRecord.getCurrentObject();
        }
        return xmlDescriptor.wrapObjectInXMLRoot(unmarshalRecord, this.isResultAlwaysXMLRoot);
    }
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        }
    }

    public Object unmarshal(String systemId, Class clazz) {
        boolean isPrimitiveWrapper = isPrimitiveWrapper(clazz);
        UnmarshalRecord unmarshalRecord;
        XMLDescriptor xmlDescriptor = null;

        AbstractSession session = null;

        // check for case where the reference class is a primitive wrapper - in this case, we
        // need to use the conversion manager to convert the node's value to the primitive
        // wrapper class, then create, populate and return an XMLRoot.  This will be done
        // via XMLRootRecord.
        if (isPrimitiveWrapper) {
            unmarshalRecord = new XMLRootRecord(clazz);
        } else if(clazz == ClassConstants.OBJECT) {
          
            SAXUnmarshallerHandler saxUnmarshallerHandler = new SAXUnmarshallerHandler(xmlUnmarshaller.getXMLContext());
            try {
              saxUnmarshallerHandler.setXMLReader(xmlReader);
              saxUnmarshallerHandler.setUnmarshaller(xmlUnmarshaller);
              saxUnmarshallerHandler.setKeepAsElementPolicy(UnmarshalKeepAsElementPolicy.KEEP_UNKNOWN_AS_ELEMENT);
                xmlReader.setContentHandler(saxUnmarshallerHandler);
                xmlReader.parse(systemId);
            } catch (IOException e) {
                throw XMLMarshalException.unmarshalException(e);
            } catch (SAXException e) {
                throw convertSAXException(e);
            }
            // resolve any mapping references
            saxUnmarshallerHandler.resolveReferences();
            return saxUnmarshallerHandler.getObject();
        } else {
            // for XMLObjectReferenceMappings we need a non-shared cache, so
            // try and get a Unit Of Work from the XMLContext
            session = xmlUnmarshaller.getXMLContext().getReadSession(clazz);
            xmlDescriptor = (XMLDescriptor) session.getDescriptor(clazz);
            unmarshalRecord = (UnmarshalRecord) xmlDescriptor.getObjectBuilder().createRecord(session);
        }

        try {
            unmarshalRecord.setXMLReader(xmlReader);
            unmarshalRecord.setUnmarshaller(xmlUnmarshaller);
            xmlReader.setContentHandler(unmarshalRecord);
            try {
                unmarshalRecord.getXMLReader().setProperty("http://xml.org/sax/properties/lexical-handler", unmarshalRecord);
            } catch (SAXNotRecognizedException ex) {
            } catch (SAXNotSupportedException ex) {
                //if lexical handling is not supported by this parser, just ignore.
            }
            xmlReader.parse(systemId);
        } catch (IOException e) {
            throw XMLMarshalException.unmarshalException(e);
        } catch (SAXException e) {
            throw convertSAXException(e);
        }

        // resolve mapping references
        xmlUnmarshaller.resolveReferences(session);

        if (isPrimitiveWrapper) {
            return unmarshalRecord.getCurrentObject();
        }
        return xmlDescriptor.wrapObjectInXMLRoot(unmarshalRecord, this.isResultAlwaysXMLRoot);
    }
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                xmlReader.setContentHandler(saxDocumentBuilder);
                xmlReader.parse(inputSource);
                return unmarshal(saxDocumentBuilder.getDocument().getDocumentElement(), clazz);
            }
            boolean isPrimitiveWrapper = isPrimitiveWrapper(clazz);
            UnmarshalRecord unmarshalRecord;
            XMLDescriptor xmlDescriptor = null;

            AbstractSession session = null;

            // check for case where the reference class is a primitive wrapper - in this case, we
            // need to use the conversion manager to convert the node's value to the primitive
            // wrapper class, then create, populate and return an XMLRoot.  This will be done
            // via XMLRootRecord.
            if (isPrimitiveWrapper) {
                unmarshalRecord = new XMLRootRecord(clazz);
                unmarshalRecord.setSession((AbstractSession) xmlUnmarshaller.getXMLContext().getSession(0));
            } else if(clazz == ClassConstants.OBJECT) {
                SAXUnmarshallerHandler saxUnmarshallerHandler = new SAXUnmarshallerHandler(xmlUnmarshaller.getXMLContext());
                saxUnmarshallerHandler.setXMLReader((XMLReader)xmlReader);
                saxUnmarshallerHandler.setUnmarshaller(xmlUnmarshaller);
                saxUnmarshallerHandler.setKeepAsElementPolicy(UnmarshalKeepAsElementPolicy.KEEP_UNKNOWN_AS_ELEMENT);
                xmlReader.setContentHandler(saxUnmarshallerHandler);
                xmlReader.parse(inputSource);

                // resolve any mapping references
                saxUnmarshallerHandler.resolveReferences();
                return saxUnmarshallerHandler.getObject();
            } else {
                // for XMLObjectReferenceMappings we need a non-shared cache, so
                // try and get a Unit Of Work from the XMLContext
                session = xmlContext.getReadSession(clazz);
                xmlDescriptor = (XMLDescriptor) session.getDescriptor(clazz);
                unmarshalRecord = (UnmarshalRecord) xmlDescriptor.getObjectBuilder().createRecord(session);
            }
            XMLReader extendedXMLReader;
            if(xmlReader instanceof XMLReader) {
                extendedXMLReader = (XMLReader) xmlReader;
            } else {
                extendedXMLReader = new XMLReader(xmlReader);
            }
            unmarshalRecord.setXMLReader(extendedXMLReader);
            unmarshalRecord.setUnmarshaller(xmlUnmarshaller);
            extendedXMLReader.setContentHandler(unmarshalRecord);
            try {
                extendedXMLReader.setProperty("http://xml.org/sax/properties/lexical-handler", unmarshalRecord);
            } catch (SAXNotRecognizedException ex) {
            } catch (SAXNotSupportedException ex) {
                //if lexical handling is not supported by this parser, just ignore.
            }
            extendedXMLReader.parse(inputSource);

            // resolve mapping references
            xmlUnmarshaller.resolveReferences(session);

            if (isPrimitiveWrapper || clazz == ClassConstants.OBJECT) {
                return unmarshalRecord.getCurrentObject();
            }
            return xmlDescriptor.wrapObjectInXMLRoot(unmarshalRecord, this.isResultAlwaysXMLRoot);
        } catch (IOException e) {
            throw XMLMarshalException.unmarshalException(e);
        } catch (SAXException e) {
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                    throw DescriptorException.missingClassIndicatorField(unmarshalRecord, xmlDescriptor.getInheritancePolicy().getDescriptor());
                }
            }
        }
        TreeObjectBuilder targetObjectBuilder = (TreeObjectBuilder)xmlDescriptor.getObjectBuilder();
        UnmarshalRecord childRecord = unmarshalRecord.getChildUnmarshalRecord(targetObjectBuilder);
        unmarshalRecord.setChildRecord(childRecord);
        childRecord.setAttributes(atts);
        childRecord.startDocument();
        childRecord.startElement(xPathFragment.getNamespaceURI(), xPathFragment.getLocalName(), xPathFragment.getShortName(), atts);
        unmarshalRecord.getXMLReader().setContentHandler(unmarshalRecord.getChildRecord());
        try {
            unmarshalRecord.getXMLReader().setProperty("http://xml.org/sax/properties/lexical-handler", unmarshalRecord.getChildRecord());
        } catch (SAXNotRecognizedException ex) {
        } catch (SAXNotSupportedException ex) {
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            // for XMLObjectReferenceMappings we need a non-shared cache, so
            // try and get a Unit Of Work from the XMLContext
            session = xmlContext.getReadSession(xmlDescriptor);

            UnmarshalRecord unmarshalRecord;
            if (isPrimitiveType) {
                unmarshalRecord = new XMLRootRecord(primitiveWrapperClass);
                unmarshalRecord.setSession((AbstractSession) unmarshaller.getXMLContext().getSession(0));
            } else if (xmlDescriptor.hasInheritance()) {
                unmarshalRecord = new UnmarshalRecord(null);
                unmarshalRecord.setUnmarshalNamespaceResolver(unmarshalNamespaceResolver);
                unmarshalRecord.setAttributes(atts);
                Class classValue = xmlDescriptor.getInheritancePolicy().classFromRow(unmarshalRecord, session);
                if (classValue == null) {
                    // no xsi:type attribute - look for type indicator on the default root element
                    QName leafElementType = xmlDescriptor.getDefaultRootElementType();

                    // if we have a user-set type, try to get the class from the inheritance policy
                    if (leafElementType != null) {
                        Object indicator = xmlDescriptor.getInheritancePolicy().getClassIndicatorMapping().get(leafElementType);

                        // if the inheritance policy does not contain the user-set type, throw an exception
                        if (indicator == null) {
                            throw DescriptorException.missingClassForIndicatorFieldValue(leafElementType, xmlDescriptor.getInheritancePolicy().getDescriptor());
                        }
                        classValue = (Class)indicator;
                    }
                }
                if (classValue != null) {
                    xmlDescriptor = (XMLDescriptor)session.getDescriptor(classValue);
                } else {
                    // since there is no xsi:type attribute, we'll use the descriptor
                    // that was retrieved based on the rootQName -  we need to make
                    // sure it is non-abstract
                    if (Modifier.isAbstract(xmlDescriptor.getJavaClass().getModifiers())) {
                        // need to throw an exception here
                        throw DescriptorException.missingClassIndicatorField(unmarshalRecord, xmlDescriptor.getInheritancePolicy().getDescriptor());
                    }
                }
                unmarshalRecord = (UnmarshalRecord)xmlDescriptor.getObjectBuilder().createRecord(session);
            } else {
                unmarshalRecord = (UnmarshalRecord)xmlDescriptor.getObjectBuilder().createRecord(session);
            }
            this.descriptor = xmlDescriptor;
            this.rootRecord = unmarshalRecord;
            if (locator != null) {
                unmarshalRecord.setDocumentLocator(locator);
            }
            unmarshalRecord.setUnmarshaller(this.unmarshaller);
            unmarshalRecord.setXMLReader(this.getXMLReader());
            unmarshalRecord.setAttributes(atts);

            if(atts != null && null == atts.getValue(XMLConstants.SCHEMA_INSTANCE_URL, XMLConstants.SCHEMA_NIL_ATTRIBUTE)) {
                unmarshalRecord.setUnmarshalNamespaceResolver(unmarshalNamespaceResolver);
                unmarshalRecord.startDocument();
                xmlReader.setContentHandler(unmarshalRecord);
                unmarshalRecord.startElement(namespaceURI, localName, qName, atts);
                try {
                    unmarshalRecord.getXMLReader().setProperty("http://xml.org/sax/properties/lexical-handler", unmarshalRecord);
                } catch (SAXNotRecognizedException ex) {
                } catch (SAXNotSupportedException ex) {
                    //if lexical handling is not supported by this parser, just ignore.
                }
            } else {
                unmarshalRecord.setRootElementName(qName);
                unmarshalRecord.setRootElementNamespaceUri(namespaceURI);
            }

            // if we located the descriptor via xsi:type attribute, create and
            // return an XMLRoot object
        } catch (EclipseLinkException e) {
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                xmlReader.setContentHandler(saxDocumentBuilder);
                xmlReader.parse(inputSource);
                return unmarshal(saxDocumentBuilder.getDocument().getDocumentElement(), clazz);
            }
            boolean isPrimitiveWrapper = isPrimitiveWrapper(clazz);
            UnmarshalRecord unmarshalRecord;
            XMLDescriptor xmlDescriptor = null;

            AbstractSession session = null;

            // check for case where the reference class is a primitive wrapper - in this case, we
            // need to use the conversion manager to convert the node's value to the primitive
            // wrapper class, then create, populate and return an XMLRoot.  This will be done
            // via XMLRootRecord.
            if (isPrimitiveWrapper) {
                unmarshalRecord = new XMLRootRecord(clazz);
                unmarshalRecord.setSession((AbstractSession) xmlUnmarshaller.getXMLContext().getSession(0));
            } else if(clazz == ClassConstants.OBJECT) {
                SAXUnmarshallerHandler saxUnmarshallerHandler = new SAXUnmarshallerHandler(xmlUnmarshaller.getXMLContext());
                saxUnmarshallerHandler.setXMLReader((XMLReader)xmlReader);
                saxUnmarshallerHandler.setUnmarshaller(xmlUnmarshaller);
                saxUnmarshallerHandler.setKeepAsElementPolicy(UnmarshalKeepAsElementPolicy.KEEP_UNKNOWN_AS_ELEMENT);
                xmlReader.setContentHandler(saxUnmarshallerHandler);
                xmlReader.parse(inputSource);

                // resolve any mapping references
                saxUnmarshallerHandler.resolveReferences();
                return saxUnmarshallerHandler.getObject();
            } else {
                // for XMLObjectReferenceMappings we need a non-shared cache, so
                // try and get a Unit Of Work from the XMLContext
                session = xmlContext.getReadSession(clazz);
                xmlDescriptor = (XMLDescriptor) session.getDescriptor(clazz);
                unmarshalRecord = (UnmarshalRecord) xmlDescriptor.getObjectBuilder().createRecord(session);
            }
            XMLReader extendedXMLReader;
            if(xmlReader instanceof XMLReader) {
                extendedXMLReader = (XMLReader) xmlReader;
            } else {
                extendedXMLReader = new XMLReader(xmlReader);
            }
            unmarshalRecord.setXMLReader(extendedXMLReader);
            unmarshalRecord.setUnmarshaller(xmlUnmarshaller);
            extendedXMLReader.setContentHandler(unmarshalRecord);
            extendedXMLReader.setLexicalHandler(unmarshalRecord);
            extendedXMLReader.parse(inputSource);

            // resolve mapping references
            xmlUnmarshaller.resolveReferences(session);

            if (isPrimitiveWrapper || clazz == ClassConstants.OBJECT) {
                return unmarshalRecord.getCurrentObject();
            }
            return xmlDescriptor.wrapObjectInXMLRoot(unmarshalRecord, this.isResultAlwaysXMLRoot);
        } catch (IOException e) {
            throw XMLMarshalException.unmarshalException(e);
        } catch (SAXException e) {
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                          throw DescriptorException.missingClassIndicatorField(unmarshalRecord, xmlDescriptor.getInheritancePolicy().getDescriptor());
                      }
                  }
              }
              TreeObjectBuilder stob2 = (TreeObjectBuilder)xmlDescriptor.getObjectBuilder();
              UnmarshalRecord childRecord = (UnmarshalRecord)stob2.createRecord(unmarshalRecord.getSession());
              childRecord.setUnmarshaller(unmarshalRecord.getUnmarshaller());
              childRecord.setSelfRecord(true);
              unmarshalRecord.setChildRecord(childRecord);
              childRecord.setXMLReader(unmarshalRecord.getXMLReader());
              childRecord.startDocument();
              childRecord.initializeRecord(this.xmlCompositeObjectMapping);

              return childRecord;
            } else{
              return null;
            }
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                    throw DescriptorException.missingClassIndicatorField(unmarshalRecord, xmlDescriptor.getInheritancePolicy().getDescriptor());
                }
            }
        }
        TreeObjectBuilder targetObjectBuilder = (TreeObjectBuilder)xmlDescriptor.getObjectBuilder();
        UnmarshalRecord childRecord = unmarshalRecord.getChildUnmarshalRecord(targetObjectBuilder);
        unmarshalRecord.setChildRecord(childRecord);
        childRecord.setAttributes(atts);
        childRecord.startDocument();
        childRecord.initializeRecord(null);
        childRecord.startElement(xPathFragment.getNamespaceURI(), xPathFragment.getLocalName(), xPathFragment.getShortName(), atts);

        XMLReader xmlReader = unmarshalRecord.getXMLReader();
        xmlReader.setContentHandler(childRecord);
        xmlReader.setLexicalHandler(childRecord);
    }
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