com.sun.jersey.json.impl.reader.NaturalNotationEventProvider Maven / Gradle / Ivy
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package com.sun.jersey.json.impl.reader;
import javax.xml.XMLConstants;
import javax.xml.bind.JAXBContext;
import javax.xml.namespace.QName;
import javax.xml.stream.Location;
import javax.xml.stream.XMLStreamException;
import com.sun.jersey.api.json.JSONConfiguration;
import com.sun.jersey.json.impl.DefaultJaxbXmlDocumentStructure;
import com.sun.jersey.json.impl.JSONHelper;
import com.sun.jersey.json.impl.JaxbXmlDocumentStructure;
import org.codehaus.jackson.JsonParser;
/**
* {@code XmlEventProvider} for JSON in natural notation.
*
* @author Michal Gajdos (michal.gajdos at oracle.com)
*/
public class NaturalNotationEventProvider extends XmlEventProvider {
private final boolean attrsWithPrefix;
/**
* Document structure to obtain the expected elements and attributes from.
*/
private JaxbXmlDocumentStructure documentStructure;
public NaturalNotationEventProvider(final JsonParser parser, final JSONConfiguration configuration, final String rootName,
final JAXBContext jaxbContext, final Class> expectedType) throws XMLStreamException {
super(parser, configuration, rootName);
this.documentStructure = DefaultJaxbXmlDocumentStructure.getXmlDocumentStructure(jaxbContext, expectedType, true);
attrsWithPrefix = configuration.isUsingPrefixesAtNaturalAttributes();
}
private QName getFieldQName(final String jsonFieldName, final boolean isAttribute) {
QName result = isAttribute
? documentStructure.getExpectedAttributesMap().get(jsonFieldName)
: documentStructure.getExpectedElementsMap().get(jsonFieldName);
if (isAttribute && "type".equals(jsonFieldName)) {
result = new QName(XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI, "type");
}
return result == null ? new QName(jsonFieldName) : result;
}
@Override
protected String getAttributeName(final String jsonFieldName) {
return attrsWithPrefix ? super.getAttributeName(jsonFieldName) : jsonFieldName;
}
@Override
protected QName getAttributeQName(final String jsonFieldName) {
return getFieldQName(getAttributeName(jsonFieldName), true);
}
@Override
protected QName getElementQName(final String jsonFieldName) {
return getFieldQName(jsonFieldName, false);
}
@Override
protected boolean isAttribute(final String jsonFieldName) {
final String attributeName = getAttributeName(jsonFieldName);
return !"$".equals(attributeName)
&& (documentStructure.canHandleAttributes()
? documentStructure.getExpectedAttributesMap().containsKey(attributeName)
: !documentStructure.getExpectedElementsMap().containsKey(attributeName))
|| !jsonFieldName.equals(attributeName);
}
@Override
protected JsonXmlEvent createEndElementEvent(final QName elementName, final Location location) {
documentStructure.endElement(elementName);
return super.createEndElementEvent(elementName, location);
}
@Override
protected JsonXmlEvent createStartElementEvent(final QName elementName, final Location location) {
documentStructure.startElement(elementName);
return super.createStartElementEvent(elementName, location);
}
}