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

import java.io.IOException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.Base64Utils;

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 EIDIdentityLinkBuilder implements IPVPAttributeBuilder {
	private static final Logger log = LoggerFactory.getLogger(EIDIdentityLinkBuilder.class);
	
	
	public String getName() {
		return EID_IDENTITY_LINK_NAME;
	}

	public <ATT> ATT build(ISPConfiguration oaParam, IAuthData authData,
			IAttributeGenerator<ATT> g) throws AttributeBuilderException {
		try {
			String ilAssertion = null;			
			if (authData.getIdentityLink() == null)
				throw new UnavailableAttributeException(EID_IDENTITY_LINK_NAME);
			
			ilAssertion = authData.getIdentityLink().getSerializedSamlAssertion();
			
			return g.buildStringAttribute(EID_IDENTITY_LINK_FRIENDLY_NAME,
					EID_IDENTITY_LINK_NAME, Base64Utils.encodeToString(ilAssertion.getBytes("UTF-8")));
			
			
		} catch (IOException e) {
			log.warn("IdentityLink serialization error.", e);
			return g.buildEmptyAttribute(EID_IDENTITY_LINK_FRIENDLY_NAME,
					EID_IDENTITY_LINK_NAME);
		}
		
	}

	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(EID_IDENTITY_LINK_FRIENDLY_NAME,
				EID_IDENTITY_LINK_NAME);
	}

}