/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
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* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
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* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
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*
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*/
package thredds.catalog2.xml.parser.stax;
import thredds.catalog2.builder.*;
import thredds.catalog2.xml.parser.ThreddsXmlParserException;
import thredds.catalog2.xml.names.PropertyElementNames;
import javax.xml.stream.events.StartElement;
import javax.xml.stream.events.Attribute;
import javax.xml.stream.events.XMLEvent;
import javax.xml.stream.XMLEventReader;
import javax.xml.namespace.QName;
/**
* _more_
*
* @author edavis
* @since 4.0
*/
class PropertyElementParser extends AbstractElementParser
{
private final CatalogBuilder catBuilder;
private final DatasetNodeBuilder datasetNodeBuilder;
private final ServiceBuilder serviceBuilder;
private PropertyElementParser( QName elementName,
XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
CatalogBuilder catBuilder )
{
super( elementName, reader, builderFactory);
this.catBuilder = catBuilder;
this.datasetNodeBuilder = null;
this.serviceBuilder = null;
}
private PropertyElementParser( QName elementName,
XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
DatasetNodeBuilder datasetNodeBuilder )
{
super( elementName, reader, builderFactory );
this.catBuilder = null;
this.datasetNodeBuilder = datasetNodeBuilder;
this.serviceBuilder = null;
}
private PropertyElementParser( QName elementName,
XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
ServiceBuilder serviceBuilder )
{
super( elementName, reader, builderFactory );
this.catBuilder = null;
this.datasetNodeBuilder = null;
this.serviceBuilder = serviceBuilder;
}
ThreddsBuilder getSelfBuilder() {
return null;
}
void parseStartElement()
throws ThreddsXmlParserException
{
StartElement startElement = this.getNextEventIfStartElementIsMine();
Attribute nameAtt = startElement.getAttributeByName( PropertyElementNames.PropertyElement_Name );
String name = nameAtt.getValue();
Attribute valueAtt = startElement.getAttributeByName( PropertyElementNames.PropertyElement_Value );
String value = valueAtt.getValue();
if ( this.catBuilder != null )
this.catBuilder.addProperty( name, value );
else if ( this.datasetNodeBuilder != null )
this.datasetNodeBuilder.addProperty( name, value );
else if ( this.serviceBuilder != null )
this.serviceBuilder.addProperty( name, value );
else
throw new ThreddsXmlParserException( "Unknown builder - for addProperty()." );
}
void handleChildStartElement()
throws ThreddsXmlParserException
{
String unexpectedChildElementAsString =
StaxThreddsXmlParserUtils.consumeElementAndConvertToXmlString( this.reader );
ThreddsBuilder parentBuilder;
if ( this.catBuilder != null )
parentBuilder = this.catBuilder;
else if ( this.datasetNodeBuilder != null )
parentBuilder = this.datasetNodeBuilder;
else if ( this.serviceBuilder != null )
parentBuilder = this.serviceBuilder;
else
throw new ThreddsXmlParserException( "Unknown parent builder." );
BuilderIssue issue = new BuilderIssue( BuilderIssue.Severity.WARNING, "Unexpected child element: " + unexpectedChildElementAsString, parentBuilder, null );
// ToDo Save the results in a ThreddsXmlParserIssue (Warning) and report.
}
void postProcessingAfterEndElement()
throws ThreddsXmlParserException
{
return;
}
static class Factory
{
private QName elementName;
Factory() {
this.elementName = PropertyElementNames.PropertyElement;
}
boolean isEventMyStartElement( XMLEvent event ) {
return StaxThreddsXmlParserUtils.isEventStartOrEndElementWithMatchingName( event, this.elementName );
}
PropertyElementParser getNewParser( XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
CatalogBuilder parentCatalogBuilder )
{
return new PropertyElementParser( this.elementName, reader, builderFactory, parentCatalogBuilder );
}
PropertyElementParser getNewParser( XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
DatasetNodeBuilder parentDatasetNodeBuilder )
{
return new PropertyElementParser( this.elementName, reader, builderFactory, parentDatasetNodeBuilder );
}
PropertyElementParser getNewParser( XMLEventReader reader,
ThreddsBuilderFactory builderFactory,
ServiceBuilder parentServiceBuilder )
{
return new PropertyElementParser( this.elementName, reader, builderFactory, parentServiceBuilder );
}
}
}