package thredds.catalog2.xml.parser.stax;
import thredds.catalog2.builder.ThreddsMetadataBuilder;
import thredds.catalog2.builder.ThreddsBuilderFactory;
import thredds.catalog2.builder.ThreddsBuilder;
import thredds.catalog2.xml.parser.ThreddsXmlParserException;
import thredds.catalog2.xml.parser.ThreddsXmlParserIssue;
import thredds.catalog2.xml.names.ThreddsMetadataElementNames;
import javax.xml.stream.XMLEventReader;
import javax.xml.stream.events.XMLEvent;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.Attribute;
import javax.xml.namespace.QName;
/**
* _more_
*
* @author edavis
* @since 4.0
*/
class CreatorElementParser extends AbstractElementParser
{
private final ThreddsMetadataBuilder parentBuilder;
private ThreddsMetadataBuilder.ContributorBuilder selfBuilder;
private final NameElementParser.Factory nameElemParserFactory;
private final ContactElementParser.Factory contactElemParserFactory;
private CreatorElementParser( QName elementName,
XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
ThreddsMetadataBuilder parentBuilder )
{
super( elementName, reader, builderFactory );
this.parentBuilder = parentBuilder;
this.nameElemParserFactory = new NameElementParser.Factory();
this.contactElemParserFactory = new ContactElementParser.Factory();
}
ThreddsBuilder getSelfBuilder() {
return null;
}
void parseStartElement()
throws ThreddsXmlParserException
{
this.getNextEventIfStartElementIsMine();
this.selfBuilder = this.parentBuilder.addCreator();
}
void handleChildStartElement()
throws ThreddsXmlParserException
{
StartElement startElement = this.peekAtNextEventIfStartElement();
if ( this.nameElemParserFactory.isEventMyStartElement( startElement ) )
{
NameElementParser elementParser = this.nameElemParserFactory.getNewParser( this.reader,
this.builderFactory,
this.selfBuilder );
elementParser.parse();
}
else if ( this.contactElemParserFactory.isEventMyStartElement( startElement ) )
{
ContactElementParser elementParser = this.contactElemParserFactory.getNewParser( this.reader,
this.builderFactory,
this.selfBuilder );
elementParser.parse();
}
else
{
String unexpectedElement = StaxThreddsXmlParserUtils.consumeElementAndConvertToXmlString( this.reader );
ThreddsXmlParserIssue issue = new ThreddsXmlParserIssue( ThreddsXmlParserIssue.Severity.ERROR, "Unrecognized element: " + unexpectedElement, this.selfBuilder, null);
throw new ThreddsXmlParserException( issue);
}
}
void postProcessingAfterEndElement()
throws ThreddsXmlParserException
{
}
static class NameElementParser extends AbstractElementParser
{
private final ThreddsMetadataBuilder.ContributorBuilder parentBuilder;
private NameElementParser( QName elementName,
XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
ThreddsBuilder parentBuilder )
{
super( elementName, reader, builderFactory );
this.parentBuilder = (ThreddsMetadataBuilder.ContributorBuilder) parentBuilder;
}
ThreddsBuilder getSelfBuilder() {
return null;
}
void parseStartElement() throws ThreddsXmlParserException
{
StartElement startElement = this.getNextEventIfStartElementIsMine();
Attribute namingAuthAtt = startElement.getAttributeByName( ThreddsMetadataElementNames.CreatorElement_NameElement_NamingAuthority );
String namingAuth = namingAuthAtt != null ? namingAuthAtt.getValue() : null;
String name = StaxThreddsXmlParserUtils.getCharacterContent( this.reader, this.elementName );
this.parentBuilder.setName( name );
this.parentBuilder.setNamingAuthority( namingAuth );
}
void handleChildStartElement() throws ThreddsXmlParserException {
String unexpectedElement = StaxThreddsXmlParserUtils.consumeElementAndConvertToXmlString( this.reader );
ThreddsXmlParserIssue issue = new ThreddsXmlParserIssue( ThreddsXmlParserIssue.Severity.ERROR, "Unrecognized element: " + unexpectedElement, this.parentBuilder, null );
throw new ThreddsXmlParserException( issue );
}
void postProcessingAfterEndElement() throws ThreddsXmlParserException {
return;
}
static class Factory
{
private QName elementName;
Factory() {
this.elementName = ThreddsMetadataElementNames.CreatorElement_NameElement;
}
boolean isEventMyStartElement( XMLEvent event ) {
return StaxThreddsXmlParserUtils.isEventStartOrEndElementWithMatchingName( event, this.elementName );
}
NameElementParser getNewParser( XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
ThreddsBuilder parentBuilder )
{
return new NameElementParser( this.elementName, reader, builderFactory, parentBuilder );
}
}
}
/**
* Parser for child element "contact".
*/
static class ContactElementParser extends AbstractElementParser
{
private final ThreddsMetadataBuilder.ContributorBuilder parentBuilder;
ContactElementParser( QName elementName,
XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
ThreddsBuilder parentBuilder )
{
super( elementName, reader, builderFactory );
this.parentBuilder = (ThreddsMetadataBuilder.ContributorBuilder) parentBuilder;
}
ThreddsBuilder getSelfBuilder() {
return null;
}
void parseStartElement() throws ThreddsXmlParserException
{
StartElement startElement = this.getNextEventIfStartElementIsMine();
Attribute emailAtt = startElement.getAttributeByName( ThreddsMetadataElementNames.CreatorElement_ContactElement_Email );
String emailAuth = emailAtt != null ? emailAtt.getValue() : null;
Attribute urlAtt = startElement.getAttributeByName( ThreddsMetadataElementNames.CreatorElement_ContactElement_Url );
String url = urlAtt != null ? urlAtt.getValue() : null;
this.parentBuilder.setEmail( emailAuth );
this.parentBuilder.setWebPage( url );
}
void handleChildStartElement() throws ThreddsXmlParserException {
String unexpectedElement = StaxThreddsXmlParserUtils.consumeElementAndConvertToXmlString( this.reader );
ThreddsXmlParserIssue issue = new ThreddsXmlParserIssue( ThreddsXmlParserIssue.Severity.ERROR, "Unrecognized element: " + unexpectedElement, this.parentBuilder, null );
throw new ThreddsXmlParserException( issue );
}
void postProcessingAfterEndElement() throws ThreddsXmlParserException {
return;
}
static class Factory
{
private QName elementName;
Factory() {
this.elementName = ThreddsMetadataElementNames.CreatorElement_ContactElement;
}
boolean isEventMyStartElement( XMLEvent event ) {
return StaxThreddsXmlParserUtils.isEventStartOrEndElementWithMatchingName( event, this.elementName );
}
ContactElementParser getNewParser( XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
ThreddsBuilder parentBuilder )
{
return new ContactElementParser( this.elementName, reader, builderFactory, parentBuilder );
}
}
}
static class Factory
{
private QName elementName;
Factory() {
this.elementName = ThreddsMetadataElementNames.CreatorElement;
}
boolean isEventMyStartElement( XMLEvent event ) {
return StaxThreddsXmlParserUtils.isEventStartOrEndElementWithMatchingName( event, this.elementName );
}
CreatorElementParser getNewParser( XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
ThreddsMetadataBuilder parentBuilder )
{
return new CreatorElementParser( this.elementName, reader, builderFactory, parentBuilder );
}
}
}