package com.esri.solutions.jitk.datasources.ogc.wfs.parsing;

import java.io.InputStream;

import javax.xml.stream.XMLStreamException;

import com.esri.solutions.jitk.datasources.ogc.ows.ExceptionReport;
import com.esri.solutions.jitk.datasources.ogc.ows.OWSExceptionResportException;
import com.esri.solutions.jitk.datasources.ogc.ows.parsing.ExceptionReportParser;
import com.esri.solutions.jitk.datasources.ogc.wfs.FeatureCollection;
import com.esri.solutions.jitk.datasources.ogc.wfs.parsing.stax.ParsingException;
import com.esri.solutions.jitk.datasources.ogc.wfs.parsing.stax.StaxElementParser;

public class FeatureCollectionParser {	
	public FeatureCollectionParser() {
	}
	
	public FeatureCollection parse(InputStream is) throws XMLStreamException, ParsingException, OWSExceptionResportException {
		FeatureCollection fc = new FeatureCollection();;
		
		StaxElementParser parser = new StaxElementParser();
		FeatureMemberParser fmp = new FeatureMemberParser();
		ExceptionReportParser erp = new ExceptionReportParser();
		parser.registerParser("featureMember", fmp);
		parser.registerParser("ExceptionReport", erp);
		parser.parse(is);
		
		ExceptionReport er = erp.getExceptionReport();
		
		if (er != null) {
			throw new OWSExceptionResportException(er.getExceptionText());
		}
		
		fc.setFeatureMembers(fmp.getFeatureMembers());
		
		return fc;
	}
}