/*******************************************************************************
 * Copyright 2014 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 *******************************************************************************/
package at.gv.egovernment.moa.id.protocols.builder.attributes;

import at.gv.egovernment.moa.id.commons.api.IOAAuthParameters;
import at.gv.egovernment.moa.id.commons.api.data.IMISMandate;
import at.gv.egovernment.moa.id.data.IAuthData;
import at.gv.egovernment.moa.id.protocols.pvp2x.builder.attributes.exceptions.AttributeException;
import at.gv.egovernment.moa.id.protocols.pvp2x.builder.attributes.exceptions.NoMandateDataAttributeException;
import at.gv.egovernment.moa.util.MiscUtil;

public class MandateProfRepOIDAttributeBuilder implements IPVPAttributeBuilder {
	
	public String getName() {
		return MANDATE_PROF_REP_OID_NAME;
	}
	
	public <ATT> ATT build(IOAAuthParameters oaParam, IAuthData authData,
			IAttributeGenerator<ATT> g) throws AttributeException {
		if (authData.isUseMandate()) {			
			String profRepOID = authData.getGenericData(MANDATE_PROF_REP_OID_NAME, String.class);			
			
			if (MiscUtil.isEmpty(profRepOID)) {			
				IMISMandate mandate = authData.getMISMandate();
				if (mandate == null) {
					throw new NoMandateDataAttributeException();
				}
						
				profRepOID = mandate.getProfRep();
				
			}
						
			if(MiscUtil.isEmpty(profRepOID)) 
				return null;				
			else			
				return g.buildStringAttribute(MANDATE_PROF_REP_OID_FRIENDLY_NAME, MANDATE_PROF_REP_OID_NAME, profRepOID);
			
		}
		return null;
		
	}
	
	public <ATT> ATT buildEmpty(IAttributeGenerator<ATT> g) {
		return g.buildEmptyAttribute(MANDATE_PROF_REP_OID_FRIENDLY_NAME, MANDATE_PROF_REP_OID_NAME);
	}
}