/* * 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.imei; 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.IMEI; import org.mobicents.protocols.ss7.map.api.primitives.IMSI; import org.mobicents.protocols.ss7.map.api.primitives.MAPExtensionContainer; import org.mobicents.protocols.ss7.map.api.service.mobility.imei.CheckImeiRequest; import org.mobicents.protocols.ss7.map.api.service.mobility.imei.RequestedEquipmentInfo; import org.mobicents.protocols.ss7.map.primitives.IMEIImpl; import org.mobicents.protocols.ss7.map.primitives.IMSIImpl; import org.mobicents.protocols.ss7.map.primitives.MAPExtensionContainerImpl; import org.mobicents.protocols.ss7.map.service.mobility.MobilityMessageImpl; /** * @author normandes * */ public class CheckImeiRequestImpl extends MobilityMessageImpl implements CheckImeiRequest { public static final String _PrimitiveName = "CheckImeiRequest"; private IMEI imei = null; private RequestedEquipmentInfo requestedEquipmentInfo = null; private MAPExtensionContainer extensionContainer = null; private IMSI imsi = null; private long mapProtocolVersion; private int encodedLength; // For incoming messages public CheckImeiRequestImpl(long mapProtocolVersion) { this.mapProtocolVersion = mapProtocolVersion; } // For outgoing messages public CheckImeiRequestImpl(long mapProtocolVersion, IMEI imei, RequestedEquipmentInfo requestedEquipmentInfo, MAPExtensionContainer extensionContainer) { this.mapProtocolVersion = mapProtocolVersion; this.imei = imei; this.requestedEquipmentInfo = requestedEquipmentInfo; this.extensionContainer = extensionContainer; } public long getMapProtocolVersion() { return this.mapProtocolVersion; } @Override public int getTag() throws MAPException { if (this.mapProtocolVersion >= 3) { return Tag.SEQUENCE; } else { return Tag.STRING_OCTET; } } @Override public int getTagClass() { return Tag.CLASS_UNIVERSAL; } @Override public boolean getIsPrimitive() { if (this.mapProtocolVersion >= 3) { return false; } else { return true; } } public int getEncodedLength() { return encodedLength; } public IMSI getIMSI() { return imsi; } public void setIMSI(IMSI imsi) { this.imsi = imsi; } @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); } } 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.imei = null; this.requestedEquipmentInfo = null; this.extensionContainer = null; this.imsi = null; if (mapProtocolVersion >= 3) { AsnInputStream ais = ansIS.readSequenceStreamData(length); int num = 0; while (true) { if (ais.available() == 0) { break; } int tag = ais.readTag(); switch (num) { case 0: // imei if (tag != Tag.STRING_OCTET || ais.getTagClass() != Tag.CLASS_UNIVERSAL || !ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".imei: bad tag or tag class or is not primitive: TagClass=" + ais.getTagClass() + ", tag=" + tag, MAPParsingComponentExceptionReason.MistypedParameter); } this.imei = new IMEIImpl(); ((IMEIImpl) this.imei).decodeAll(ais); break; case 1: // requestedEquipmentInfo if (tag != Tag.STRING_BIT || ais.getTagClass() != Tag.CLASS_UNIVERSAL || !ais.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".requestedEquipmentInfo: bad tag or tag class or is not primitive: TagClass=" + ais.getTagClass() + ", tag=" + tag, MAPParsingComponentExceptionReason.MistypedParameter); } this.requestedEquipmentInfo = new RequestedEquipmentInfoImpl(); ((RequestedEquipmentInfoImpl) this.requestedEquipmentInfo).decodeAll(ais); break; default: if (tag == Tag.SEQUENCE && ais.getTagClass() == Tag.CLASS_UNIVERSAL) { if (ais.isTagPrimitive()) throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": Parameter extensionContainer is primitive", MAPParsingComponentExceptionReason.MistypedParameter); this.extensionContainer = new MAPExtensionContainerImpl(); ((MAPExtensionContainerImpl) this.extensionContainer).decodeAll(ais); } else { ais.advanceElement(); } break; } num++; } if (num < 2) throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": Needs at least 2 mandatory parameters, found " + num, MAPParsingComponentExceptionReason.MistypedParameter); } else { this.imei = new IMEIImpl(); ((IMEIImpl) this.imei).decodeData(ansIS, length); // To decode IMSI in Huawei package if (ansIS.available() != 0) { int tag = ansIS.readTag(); length = ansIS.readLength(); if (tag != 0 && ansIS.getTagClass() != Tag.CLASS_UNIVERSAL && !ansIS.isTagPrimitive()) { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".imsi: bad tag or tag class or is not primitive: TagClass=" + ansIS.getTagClass() + ", tag=" + tag, MAPParsingComponentExceptionReason.MistypedParameter); } this.imsi = new IMSIImpl(); ((IMSIImpl) this.imsi).decodeData(ansIS, length); } } } @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, this.getIsPrimitive(), tag); if (this.imsi == null) { int pos = asnOs.StartContentDefiniteLength(); this.encodeData(asnOs); asnOs.FinalizeContent(pos); } else { AsnOutputStream tempAos = new AsnOutputStream(); this.encodeData(tempAos); asnOs.writeLength(this.getEncodedLength()); this.encodeData(asnOs); } } catch (AsnException e) { throw new MAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e); } catch (IOException e) { throw new MAPException("IOException when encoding " + _PrimitiveName + ": " + e.getMessage(), e); } } @Override public void encodeData(AsnOutputStream asnOs) throws MAPException { if (this.imei == null) { throw new MAPException("imei parameter must not be null"); } if (mapProtocolVersion >= 3) { if (this.requestedEquipmentInfo == null) { throw new MAPException("requestedEquipmentInfo parameter must not be null"); } ((IMEIImpl) this.imei).encodeAll(asnOs); ((RequestedEquipmentInfoImpl) this.requestedEquipmentInfo).encodeAll(asnOs); if (this.extensionContainer != null) ((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(asnOs); } else { ((IMEIImpl) this.imei).encodeData(asnOs); encodedLength = asnOs.size(); if (imsi != null) { ((IMSIImpl) this.imsi).encodeAll(asnOs, Tag.CLASS_UNIVERSAL, 0); } } } @Override public MAPMessageType getMessageType() { return MAPMessageType.checkIMEI_Request; } @Override public int getOperationCode() { return MAPOperationCode.checkIMEI; } @Override public IMEI getIMEI() { return this.imei; } @Override public RequestedEquipmentInfo getRequestedEquipmentInfo() { return this.requestedEquipmentInfo; } @Override public MAPExtensionContainer getExtensionContainer() { return this.extensionContainer; } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append(_PrimitiveName); sb.append(" ["); if (this.imei != null) { sb.append("imei="); sb.append(imei.toString()); sb.append(", "); } if (this.requestedEquipmentInfo != null) { sb.append("requestedEquipmentInfo="); sb.append(requestedEquipmentInfo.toString()); sb.append(", "); } if (this.extensionContainer != null) { sb.append("extensionContainer="); sb.append(extensionContainer.toString()); sb.append(", "); } if (this.imsi != null) { sb.append("imsi="); sb.append(imsi.toString()); sb.append(", "); } sb.append("mapProtocolVersion="); sb.append(mapProtocolVersion); sb.append("]"); return sb.toString(); } }