/*

 * JBoss, Home of Professional Open Source

 * Copyright 2011, Red Hat, Inc. and individual contributors

 * by the @authors tag. See the copyright.txt in the distribution for a

 * full listing of individual contributors.

 *

 * This is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License as

 * published by the Free Software Foundation; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * This software is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this software; if not, write to the Free

 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA

 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.

 */



package org.mobicents.protocols.ss7.map.service.subscriberManagement;



import java.io.IOException;



import org.mobicents.protocols.asn.AsnException;

import org.mobicents.protocols.asn.AsnInputStream;

import org.mobicents.protocols.asn.AsnOutputStream;

import org.mobicents.protocols.asn.Tag;

import org.mobicents.protocols.ss7.map.api.MAPException;

import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException;

import org.mobicents.protocols.ss7.map.api.MAPParsingComponentExceptionReason;

import org.mobicents.protocols.ss7.map.api.service.subscriberManagement.ExtBasicServiceCode;

import org.mobicents.protocols.ss7.map.api.service.subscriberManagement.ExtBearerServiceCode;

import org.mobicents.protocols.ss7.map.api.service.subscriberManagement.ExtTeleserviceCode;

import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive;



/**

 * 

 * @author sergey vetyutnev

 * 

 */

public class ExtBasicServiceCodeImpl implements ExtBasicServiceCode, MAPAsnPrimitive  {



	public static final int _ID_ext_BearerService = 2;

	public static final int _ID_ext_Teleservice = 3;



	public static final String _PrimitiveName = "ExtBasicServiceCode";



	private ExtBearerServiceCode extBearerService;

	private ExtTeleserviceCode extTeleservice;	



	public ExtBasicServiceCodeImpl() {

	}



	public ExtBasicServiceCodeImpl(ExtBearerServiceCode extBearerService) {

		this.extBearerService = extBearerService;

	}



	public ExtBasicServiceCodeImpl(ExtTeleserviceCode extTeleservice) {

		this.extTeleservice = extTeleservice;

	}

	

	@Override

	public ExtBearerServiceCode getExtBearerService() {

		return extBearerService;

	}



	@Override

	public ExtTeleserviceCode getExtTeleservice() {

		return extTeleservice;

	}



	

	

	@Override

	public int getTag() throws MAPException {

		if (extBearerService != null)

			return _ID_ext_BearerService;

		else

			return _ID_ext_Teleservice;

	}



	@Override

	public int getTagClass() {

		return Tag.CLASS_CONTEXT_SPECIFIC;

	}



	@Override

	public boolean getIsPrimitive() {

		return true;

	}



	@Override

	public void decodeAll(AsnInputStream ansIS) throws MAPParsingComponentException {



		try {

			int length = ansIS.readLength();

			this._decode(ansIS, length);

		} catch (IOException e) {

			throw new MAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,

					MAPParsingComponentExceptionReason.MistypedParameter);

		} catch (AsnException e) {

			throw new MAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,

					MAPParsingComponentExceptionReason.MistypedParameter);

		}

	}



	@Override

	public void decodeData(AsnInputStream ansIS, int length) throws MAPParsingComponentException {



		try {

			this._decode(ansIS, length);

		} catch (IOException e) {

			throw new MAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,

					MAPParsingComponentExceptionReason.MistypedParameter);

		} catch (AsnException e) {

			throw new MAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e,

					MAPParsingComponentExceptionReason.MistypedParameter);

		}

	}



	private void _decode(AsnInputStream ais, int length) throws MAPParsingComponentException, IOException, AsnException {



		this.extBearerService = null;

		this.extTeleservice = null;	



		int tag = ais.getTag();



		if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {

			switch (tag) {

			case _ID_ext_BearerService:

				this.extBearerService = new ExtBearerServiceCodeImpl();

				((ExtBearerServiceCodeImpl) this.extBearerService).decodeData(ais, length);

				break;

			case _ID_ext_Teleservice:

				this.extTeleservice = new ExtTeleserviceCodeImpl();

				((ExtTeleserviceCodeImpl) this.extTeleservice).decodeData(ais, length);

				break;



			default:

				throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": bad choice tag",

						MAPParsingComponentExceptionReason.MistypedParameter);

			}

		} else {

			throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": bad choice tagClass",

					MAPParsingComponentExceptionReason.MistypedParameter);

		}

	}



	@Override

	public void encodeAll(AsnOutputStream asnOs) throws MAPException {



		this.encodeAll(asnOs, this.getTagClass(), this.getTag());

	}



	@Override

	public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException {

		

		try {

			asnOs.writeTag(tagClass, true, tag);

			int pos = asnOs.StartContentDefiniteLength();

			this.encodeData(asnOs);

			asnOs.FinalizeContent(pos);

		} catch (AsnException e) {

			throw new MAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e);

		}

	}



	@Override

	public void encodeData(AsnOutputStream asnOs) throws MAPException {



		if (this.extBearerService == null && this.extTeleservice == null)

			throw new MAPException("Both extBearerService and extTeleservice must not be null");

		if (this.extBearerService != null && this.extTeleservice != null)

			throw new MAPException("Both extBearerService and extTeleservice must not be not null");



		if (this.extBearerService != null) {

			((ExtBearerServiceCodeImpl) this.extBearerService).encodeData(asnOs);

		} else {

			((ExtTeleserviceCodeImpl) this.extTeleservice).encodeData(asnOs);

		}

	}



	@Override

	public String toString() {

		StringBuilder sb = new StringBuilder();

		sb.append("ExtBasicServiceCode [");



		if (this.extBearerService != null) {

			sb.append(this.extBearerService.toString());

		}

		if (this.extTeleservice != null) {

			sb.append(this.extTeleservice.toString());

		}



		sb.append("]");



		return sb.toString();

	}

}