/*
 * TeleStax, Open Source Cloud Communications  Copyright 2012.
 * 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.lsm;

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.lsm.SLRArgPCSExtensions;
import org.mobicents.protocols.ss7.map.primitives.SequenceBase;

/**
 *
 * @author sergey vetyutnev
 *
 */
public class SLRArgPCSExtensionsImpl extends SequenceBase implements SLRArgPCSExtensions {

    private static final int _TAGna_ESRK_Request = 0;

    private boolean naEsrkRequest;

    public SLRArgPCSExtensionsImpl() {
        super("SLRArgPCSExtensions");
    }

    public SLRArgPCSExtensionsImpl(boolean naEsrkRequest) {
        super("SLRArgPCSExtensions");

        this.naEsrkRequest = naEsrkRequest;
    }

    @Override
    public boolean getNaEsrkRequest() {
        return naEsrkRequest;
    }

    @Override
    protected void _decode(AsnInputStream asnIS, int length) throws MAPParsingComponentException, IOException, AsnException {

        this.naEsrkRequest = false;

        AsnInputStream ais = asnIS.readSequenceStreamData(length);

        while (true) {
            if (ais.available() == 0)
                break;

            int tag = ais.readTag();

            if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
                switch (tag) {
                    case _TAGna_ESRK_Request:
                        // naEsrkRequest
                        if (!ais.isTagPrimitive()) {
                            throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName
                                    + ": Parameter naEsrkRequest is not primitive",
                                    MAPParsingComponentExceptionReason.MistypedParameter);
                        }
                        ais.readNull();
                        this.naEsrkRequest = true;
                        break;
                    default:
                        ais.advanceElement();
                }
            } else {
                ais.advanceElement();
            }
        }
    }

    @Override
    public void encodeData(AsnOutputStream asnOs) throws MAPException {

        if (this.naEsrkRequest) {
            // naEsrkRequest
            try {
                asnOs.writeNull(Tag.CLASS_CONTEXT_SPECIFIC, _TAGna_ESRK_Request);
            } catch (IOException e) {
                throw new MAPException("Error while encoding " + _PrimitiveName
                        + " the optional parameter naEsrkRequest encoding failed ", e);
            } catch (AsnException e) {
                throw new MAPException("Error while encoding " + _PrimitiveName
                        + " the optional parameter naEsrkRequest encoding failed ", e);
            }
        }
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(_PrimitiveName);
        sb.append(" [");

        if (this.naEsrkRequest) {
            sb.append("naEsrkRequest");
        }

        sb.append("]");

        return sb.toString();
    }
}