/*******************************************************************************
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package at.gv.egiz.eaaf.core.impl.idp.builder.attributes;

import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import at.gv.egiz.eaaf.core.api.data.EAAFConstants;
import at.gv.egiz.eaaf.core.api.idp.IAttributeGenerator;
import at.gv.egiz.eaaf.core.api.idp.IAuthData;
import at.gv.egiz.eaaf.core.api.idp.IPVPAttributeBuilder;
import at.gv.egiz.eaaf.core.api.idp.ISPConfiguration;
import at.gv.egiz.eaaf.core.exceptions.AttributeBuilderException;
import at.gv.egiz.eaaf.core.exceptions.UnavailableAttributeException;

@PVPMETADATA
public class BPKAttributeBuilder implements IPVPAttributeBuilder {
	
	private static final Logger log = LoggerFactory.getLogger(BPKAttributeBuilder.class);
	
	public String getName() {
		return BPK_NAME;
	}
	
	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData,
			IAttributeGenerator<ATT> g) throws AttributeBuilderException {
		String bpk = authData.getBPK();
		String type = authData.getBPKType();
		
		if (StringUtils.isEmpty(bpk))
			throw new UnavailableAttributeException(BPK_NAME);
			
		if (type.startsWith(EAAFConstants.URN_PREFIX_WBPK))
			type = type.substring((EAAFConstants.URN_PREFIX_WBPK).length());
		
		else if (type.startsWith(EAAFConstants.URN_PREFIX_CDID)) 
			type = type.substring((EAAFConstants.URN_PREFIX_CDID).length());
		
		else if (type.startsWith(EAAFConstants.URN_PREFIX_EIDAS)) 
			type = type.substring((EAAFConstants.URN_PREFIX_EIDAS).length());
		
		if (bpk.length() > BPK_MAX_LENGTH) {
			bpk = bpk.substring(0, BPK_MAX_LENGTH);
		}
		
		log.trace("Authenticate user with bPK/wbPK " + bpk + " and Type=" + type);
		
		return g.buildStringAttribute(BPK_FRIENDLY_NAME, BPK_NAME, type + ":" + bpk);
	}
	
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(BPK_FRIENDLY_NAME, BPK_NAME);
	}
	
}