/*

 * 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.errors;



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.errors.AbsentSubscriberReason;

import org.mobicents.protocols.ss7.map.api.errors.MAPErrorCode;

import org.mobicents.protocols.ss7.map.api.errors.MAPErrorMessageAbsentSubscriber;

import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer;

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



/**

 * 

 * @author sergey vetyutnev

 * 

 */

public class MAPErrorMessageAbsentSubscriberImpl extends MAPErrorMessageImpl implements MAPErrorMessageAbsentSubscriber {



	public static final int AbsentSubscriberReason_TAG = 0;



	private MAPExtensionContainer extensionContainer;

	private AbsentSubscriberReason absentSubscriberReason;	

	

	

	public MAPErrorMessageAbsentSubscriberImpl(MAPExtensionContainer extensionContainer, AbsentSubscriberReason absentSubscriberReason) {

		super((long) MAPErrorCode.absentSubscriber);



		this.extensionContainer = extensionContainer;

		this.absentSubscriberReason = absentSubscriberReason;

	}	

	

	protected MAPErrorMessageAbsentSubscriberImpl() {

		super((long) MAPErrorCode.absentSubscriber);

	}	



	

	@Override

	public boolean isEmAbsentSubscriber() {

		return true;

	}



	@Override

	public MAPErrorMessageAbsentSubscriber getEmAbsentSubscriber() {

		return this;

	}



	@Override

	public MAPExtensionContainer getExtensionContainer() {

		return this.extensionContainer;

	}



	@Override

	public AbsentSubscriberReason getAbsentSubscriberReason() {

		return this.absentSubscriberReason;

	}



	@Override

	public void setExtensionContainer(MAPExtensionContainer extensionContainer) {

		this.extensionContainer = extensionContainer;

	}



	@Override

	public void setAbsentSubscriberReason(AbsentSubscriberReason absentSubscriberReason) {

		this.absentSubscriberReason = absentSubscriberReason;

	}	

	

	

	@Override

	public int getTag() throws MAPException {

		return Tag.SEQUENCE;

	}



	@Override

	public int getTagClass() {

		return Tag.CLASS_UNIVERSAL;

	}



	@Override

	public boolean getIsPrimitive() {

		return false;

	}



	@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 MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e,

					MAPParsingComponentExceptionReason.MistypedParameter);

		} catch (AsnException e) {

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

					MAPParsingComponentExceptionReason.MistypedParameter);

		} catch (AsnException e) {

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

					MAPParsingComponentExceptionReason.MistypedParameter);

		}

	}



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



		this.extensionContainer = null;

		this.absentSubscriberReason = null;

		

		if (localAis.getTagClass() != Tag.CLASS_UNIVERSAL || localAis.getTag() != Tag.SEQUENCE || localAis.isTagPrimitive())

			throw new MAPParsingComponentException(

					"Error decoding MAPErrorMessageAbsentSubscriber: bad tag class or tag or parameter is primitive",

					MAPParsingComponentExceptionReason.MistypedParameter);



		AsnInputStream ais = localAis.readSequenceStreamData(length);



		while (true) {

			if (ais.available() == 0)

				break;



			int tag = ais.readTag();



			switch (ais.getTagClass()) {

			case Tag.CLASS_UNIVERSAL:

				switch (tag) {

				case Tag.SEQUENCE:

					this.extensionContainer = new MAPExtensionContainerImpl();

					((MAPExtensionContainerImpl)this.extensionContainer).decodeAll(ais);

					break;



				default:

					ais.advanceElement();

					break;

				}

				break;



			case Tag.CLASS_CONTEXT_SPECIFIC:

				switch (tag) {

				case AbsentSubscriberReason_TAG:

					int code = (int) ais.readInteger();

					this.absentSubscriberReason = AbsentSubscriberReason.getInstance(code);

					break;



				default:

					ais.advanceElement();

					break;

				}

				break;



			default:

				ais.advanceElement();

				break;

			}

		}

	}



	@Override

	public void encodeAll(AsnOutputStream asnOs) throws MAPException {



		this.encodeAll(asnOs, Tag.CLASS_UNIVERSAL, Tag.SEQUENCE);

	}



	@Override

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

		

		try {

			asnOs.writeTag(tagClass, false, tag);

			int pos = asnOs.StartContentDefiniteLength();

			this.encodeData(asnOs);

			asnOs.FinalizeContent(pos);

		} catch (AsnException e) {

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

		}

	}



	@Override

	public void encodeData(AsnOutputStream aos) throws MAPException {



		if (this.absentSubscriberReason == null && this.extensionContainer == null)

			return;



		try {

			if (this.extensionContainer != null)

				((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(aos);

			if (this.absentSubscriberReason != null)

				aos.writeInteger(Tag.CLASS_CONTEXT_SPECIFIC, AbsentSubscriberReason_TAG, this.absentSubscriberReason.getCode());



		} catch (IOException e) {

			throw new MAPException("IOException when encoding MAPErrorMessageAbsentSubscriber: " + e.getMessage(), e);

		} catch (AsnException e) {

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

		}

	}



	@Override

	public String toString() {

		StringBuilder sb = new StringBuilder();

		

		sb.append("MAPErrorMessageAbsentSubscriber [");

		if (this.extensionContainer != null)

			sb.append("extensionContainer=" + this.extensionContainer.toString());

		if (this.absentSubscriberReason != null)

			sb.append(", absentSubscriberReason=" + this.absentSubscriberReason.toString());

		sb.append("]");

		

		return sb.toString();

	}



}