/* * 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.mobility.authentication; 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.mobility.authentication.CK; import org.mobicents.protocols.ss7.map.api.service.mobility.authentication.IK; import org.mobicents.protocols.ss7.map.api.service.mobility.authentication.KSI; import org.mobicents.protocols.ss7.map.api.service.mobility.authentication.UMTSSecurityContextData; import org.mobicents.protocols.ss7.map.primitives.SequenceBase; /** * * @author Lasith Waruna Perera * */ public class UMTSSecurityContextDataImpl extends SequenceBase implements UMTSSecurityContextData { private CK ck; private IK ik; private KSI ksi; public UMTSSecurityContextDataImpl() { super("UMTSSecurityContextData"); } public UMTSSecurityContextDataImpl(CK ck, IK ik, KSI ksi) { super("UMTSSecurityContextData"); this.ck = ck; this.ik = ik; this.ksi = ksi; } @Override public CK getCK() { return this.ck; } @Override public IK getIK() { return this.ik; } @Override public KSI getKSI() { return this.ksi; } @Override protected void _decode(AsnInputStream asnIS, int length) throws MAPParsingComponentException, IOException, AsnException { AsnInputStream ais = asnIS.readSequenceStreamData(length); int num = 0; while (true) { if (ais.available() == 0) break; int tag = ais.readTag(); switch (num) { case 0: if (tag != Tag.STRING_OCTET || ais.getTagClass() != Tag.CLASS_UNIVERSAL || !ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".ck: Parameter 0 bad tag or tag class or not primitive", MAPParsingComponentExceptionReason.MistypedParameter); } this.ck = new CKImpl(); ((CKImpl) this.ck).decodeAll(ais); break; case 1: if (tag != Tag.STRING_OCTET || ais.getTagClass() != Tag.CLASS_UNIVERSAL || !ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".ik: Parameter 1 bad tag or tag class or not primitive", MAPParsingComponentExceptionReason.MistypedParameter); } this.ik = new IKImpl(); ((IKImpl) this.ik).decodeAll(ais); break; case 2: if (tag != Tag.STRING_OCTET || ais.getTagClass() != Tag.CLASS_UNIVERSAL || !ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".ck: Parameter 2 bad tag or tag class or not primitive", MAPParsingComponentExceptionReason.MistypedParameter); } this.ksi = new KSIImpl(); ((KSIImpl) this.ksi).decodeAll(ais); break; default: ais.advanceElement(); break; } num++; } if (num < 3) throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": Needs at least 3 mandatory parameters, found " + num, MAPParsingComponentExceptionReason.MistypedParameter); } @Override public void encodeData(AsnOutputStream asnOs) throws MAPException { if (this.ck == null || this.ik == null || this.ksi == null) { throw new MAPException("Error while encoding " + _PrimitiveName + " the mandatory parameter ck,ik or ksi is not defined"); } if (this.ck != null) ((CKImpl) this.ck).encodeAll(asnOs); if (this.ik != null) ((IKImpl) this.ik).encodeAll(asnOs); if (this.ksi != null) ((KSIImpl) this.ksi).encodeAll(asnOs); } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append(_PrimitiveName + " ["); if (this.ck != null) { sb.append("ck="); sb.append(this.ck.toString()); sb.append(", "); } if (this.ik != null) { sb.append("ik="); sb.append(this.ik.toString()); sb.append(", "); } if (this.ksi != null) { sb.append("ksi="); sb.append(this.ksi.toString()); sb.append(", "); } sb.append("]"); return sb.toString(); } }