/* * 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.locationManagement; 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.MAPMessageType; import org.mobicents.protocols.ss7.map.api.MAPOperationCode; import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException; import org.mobicents.protocols.ss7.map.api.MAPParsingComponentExceptionReason; import org.mobicents.protocols.ss7.map.api.primitives.IMSI; import org.mobicents.protocols.ss7.map.api.primitives.ISDNAddressString; import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer; import org.mobicents.protocols.ss7.map.api.service.mobility.locationManagement.PurgeMSRequest; import org.mobicents.protocols.ss7.map.primitives.IMSIImpl; import org.mobicents.protocols.ss7.map.primitives.ISDNAddressStringImpl; import org.mobicents.protocols.ss7.map.primitives.MAPExtensionContainerImpl; import org.mobicents.protocols.ss7.map.service.mobility.MobilityMessageImpl; /** * * @author Lasith Waruna Perera * */ public class PurgeMSRequestImpl extends MobilityMessageImpl implements PurgeMSRequest { protected static final int _TAG_vlrNumber = 0; protected static final int _TAG_sgsnNumber = 1; public static final int _TAG_PurgeMSRequest = 3; public static final String _PrimitiveName = "PurgeMSRequest"; private IMSI imsi; private ISDNAddressString vlrNumber; private ISDNAddressString sgsnNumber; private MAPExtensionContainer extensionContainer; private long mapProtocolVersion; public PurgeMSRequestImpl(long mapProtocolVersion) { super(); this.mapProtocolVersion = mapProtocolVersion; } public PurgeMSRequestImpl(IMSI imsi, ISDNAddressString vlrNumber, ISDNAddressString sgsnNumber, MAPExtensionContainer extensionContainer, long mapProtocolVersion) { super(); this.imsi = imsi; this.vlrNumber = vlrNumber; this.sgsnNumber = sgsnNumber; this.extensionContainer = extensionContainer; this.mapProtocolVersion = mapProtocolVersion; } @Override public MAPMessageType getMessageType() { return MAPMessageType.purgeMS_Request; } @Override public int getOperationCode() { return MAPOperationCode.purgeMS; } @Override public IMSI getImsi() { return this.imsi; } @Override public ISDNAddressString getVlrNumber() { return this.vlrNumber; } @Override public ISDNAddressString getSgsnNumber() { return this.sgsnNumber; } @Override public MAPExtensionContainer getExtensionContainer() { return this.extensionContainer; } @Override public int getTag() throws MAPException { if (this.mapProtocolVersion >= 3) { return _TAG_PurgeMSRequest; } else { return Tag.SEQUENCE; } } @Override public int getTagClass() { if (this.mapProtocolVersion >= 3) { return Tag.CLASS_CONTEXT_SPECIFIC; } else { 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 " + _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 ansIS, int length) throws MAPParsingComponentException, IOException, AsnException { this.imsi = null; this.vlrNumber = null; this.sgsnNumber = null; this.extensionContainer = null; AsnInputStream ais = ansIS.readSequenceStreamData(length); int num = 0; while (true) { if (ais.available() == 0) break; int tag = ais.readTag(); if (num == 0) { if (tag != Tag.STRING_OCTET || ais.getTagClass() != Tag.CLASS_UNIVERSAL || !ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".imsi: Parameter 0 bad tag or tag class or not primitive", MAPParsingComponentExceptionReason.MistypedParameter); } this.imsi = new IMSIImpl(); ((IMSIImpl) this.imsi).decodeAll(ais); } else if (num == 1 && this.mapProtocolVersion < 3) { if (tag != Tag.STRING_OCTET || ais.getTagClass() != Tag.CLASS_UNIVERSAL || !ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".imsi: Parameter 0 bad tag or tag class or not primitive", MAPParsingComponentExceptionReason.MistypedParameter); } this.vlrNumber = new ISDNAddressStringImpl(); ((ISDNAddressStringImpl) this.vlrNumber).decodeAll(ais); } else { if (this.mapProtocolVersion >= 3) { switch (ais.getTagClass()) { case Tag.CLASS_UNIVERSAL: switch (tag) { case Tag.SEQUENCE: if (ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".extensionContainer: is primitive", MAPParsingComponentExceptionReason.MistypedParameter); } this.extensionContainer = new MAPExtensionContainerImpl(); ((MAPExtensionContainerImpl) this.extensionContainer).decodeAll(ais); break; default: ais.advanceElement(); break; } break; case Tag.CLASS_CONTEXT_SPECIFIC: switch (tag) { case PurgeMSRequestImpl._TAG_vlrNumber: if (!ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".vlrNumber: is not primitive", MAPParsingComponentExceptionReason.MistypedParameter); } this.vlrNumber = new ISDNAddressStringImpl(); ((ISDNAddressStringImpl) this.vlrNumber).decodeAll(ais); break; case PurgeMSRequestImpl._TAG_sgsnNumber: if (!ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".sgsnNumber: is not primitive", MAPParsingComponentExceptionReason.MistypedParameter); } this.sgsnNumber = new ISDNAddressStringImpl(); ((ISDNAddressStringImpl) this.sgsnNumber).decodeAll(ais); break; default: ais.advanceElement(); break; } break; default: ais.advanceElement(); break; } } else { } } num++; } if (this.mapProtocolVersion < 3) { if (this.vlrNumber == null) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": vlrNumber is mandatory for MAP V2 but not found ", 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, getIsPrimitive(), 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.imsi == null) { throw new MAPException("Error while encoding " + _PrimitiveName + " the mandatory parameter imsi is not defined"); } if (mapProtocolVersion >= 3) { ((IMSIImpl) this.imsi).encodeAll(asnOs); if (this.vlrNumber != null) ((ISDNAddressStringImpl) this.vlrNumber).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _TAG_vlrNumber); if (this.sgsnNumber != null) ((ISDNAddressStringImpl) this.sgsnNumber).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _TAG_sgsnNumber); if (this.extensionContainer != null) ((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(asnOs); } else { if (this.vlrNumber == null) { throw new MAPException("Error while encoding " + _PrimitiveName + " the mandatory parameter vlrNumber is not defined"); } ((IMSIImpl) this.imsi).encodeAll(asnOs); ((ISDNAddressStringImpl) this.vlrNumber).encodeAll(asnOs); } } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append(_PrimitiveName); sb.append(" ["); if (this.imsi != null) { sb.append("imsi="); sb.append(imsi.toString()); sb.append(", "); } if (this.vlrNumber != null) { sb.append("vlrNumber="); sb.append(vlrNumber.toString()); sb.append(", "); } if (this.sgsnNumber != null) { sb.append("sgsnNumber="); sb.append(sgsnNumber.toString()); sb.append(", "); } if (this.extensionContainer != null) { sb.append("extensionContainer="); sb.append(extensionContainer.toString()); sb.append(", "); } sb.append("mapProtocolVersion="); sb.append(mapProtocolVersion); sb.append("]"); return sb.toString(); } }