/* * 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.subscriberInformation; import java.io.IOException; import java.util.ArrayList; 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.subscriberInformation.NotReachableReason; import org.mobicents.protocols.ss7.map.api.service.mobility.subscriberInformation.PDPContextInfo; import org.mobicents.protocols.ss7.map.api.service.mobility.subscriberInformation.PSSubscriberState; import org.mobicents.protocols.ss7.map.api.service.mobility.subscriberInformation.PSSubscriberStateChoice; import org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive; /** * @author amit bhayani * @author sergey vetyutnev * */ public class PSSubscriberStateImpl implements PSSubscriberState, MAPAsnPrimitive { public static final int _ID_notProvidedFromSGSNorMME = 0; public static final int _ID_ps_Detached = 1; public static final int _ID_ps_AttachedNotReachableForPaging = 2; public static final int _ID_ps_AttachedReachableForPaging = 3; public static final int _ID_ps_PDP_ActiveNotReachableForPaging = 4; public static final int _ID_ps_PDP_ActiveReachableForPaging = 5; public static final String _PrimitiveName = "PSSubscriberState"; private PSSubscriberStateChoice choice; private NotReachableReason netDetNotReachable; private ArrayList<PDPContextInfo> pdpContextInfoList; public PSSubscriberStateImpl() { } public PSSubscriberStateImpl(PSSubscriberStateChoice choice, NotReachableReason netDetNotReachable, ArrayList<PDPContextInfo> pdpContextInfoList) { this.choice = choice; this.netDetNotReachable = netDetNotReachable; this.pdpContextInfoList = pdpContextInfoList; } @Override public PSSubscriberStateChoice getChoice() { return choice; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.api.service.subscriberInformation. PSSubscriberState#getNetDetNotReachable() */ public NotReachableReason getNetDetNotReachable() { return this.netDetNotReachable; } @Override public ArrayList<PDPContextInfo> getPDPContextInfoList() { return pdpContextInfoList; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive#getTag() */ public int getTag() throws MAPException { if (this.choice == PSSubscriberStateChoice.notProvidedFromSGSNorMME) { return _ID_notProvidedFromSGSNorMME; } else if (this.choice == PSSubscriberStateChoice.psDetached) { return _ID_ps_Detached; } else if (this.choice == PSSubscriberStateChoice.psAttachedNotReachableForPaging) { return _ID_ps_AttachedNotReachableForPaging; } else if (this.choice == PSSubscriberStateChoice.psAttachedReachableForPaging) { return _ID_ps_AttachedReachableForPaging; } else if (this.choice == PSSubscriberStateChoice.psPDPActiveNotReachableForPaging) { return _ID_ps_PDP_ActiveNotReachableForPaging; } else if (this.choice == PSSubscriberStateChoice.psPDPActiveReachableForPaging) { return _ID_ps_PDP_ActiveReachableForPaging; } else if (this.choice == PSSubscriberStateChoice.netDetNotReachable) { return Tag.ENUMERATED; } throw new MAPException("Error encoding " + _PrimitiveName + ": Bad hoice value"); } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive#getTagClass() */ public int getTagClass() { if (this.choice == PSSubscriberStateChoice.netDetNotReachable) return Tag.CLASS_UNIVERSAL; else return Tag.CLASS_CONTEXT_SPECIFIC; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive#getIsPrimitive () */ public boolean getIsPrimitive() { if (this.choice == PSSubscriberStateChoice.psPDPActiveNotReachableForPaging || this.choice == PSSubscriberStateChoice.psPDPActiveReachableForPaging) return false; else return true; } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive#decodeAll( org.mobicents.protocols.asn.AsnInputStream) */ 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); } } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive#decodeData (org.mobicents.protocols.asn.AsnInputStream, * int) */ 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.choice = null; this.netDetNotReachable = null; this.pdpContextInfoList = null; if (ansIS.getTagClass() == Tag.CLASS_UNIVERSAL) { switch (ansIS.getTag()) { case Tag.ENUMERATED: if (!ansIS.isTagPrimitive()) throw new MAPParsingComponentException( "Error while decoding netDetNotReachable choice: Parameter is not primitive", MAPParsingComponentExceptionReason.MistypedParameter); this.choice = PSSubscriberStateChoice.netDetNotReachable; int i1 = (int) ansIS.readIntegerData(length); this.netDetNotReachable = NotReachableReason.getInstance(i1); break; default: throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": bad tag for Universal TagClass: " + ansIS.getTag(), MAPParsingComponentExceptionReason.MistypedParameter); } } else if (ansIS.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) { switch (ansIS.getTag()) { case _ID_notProvidedFromSGSNorMME: if (!ansIS.isTagPrimitive()) throw new MAPParsingComponentException( "Error while decoding notProvidedFromSGSNorMME choice: Parameter is not primitive", MAPParsingComponentExceptionReason.MistypedParameter); this.choice = PSSubscriberStateChoice.notProvidedFromSGSNorMME; ansIS.readNullData(length); break; case _ID_ps_Detached: if (!ansIS.isTagPrimitive()) throw new MAPParsingComponentException( "Error while decoding psDetached choice: Parameter is not primitive", MAPParsingComponentExceptionReason.MistypedParameter); this.choice = PSSubscriberStateChoice.psDetached; ansIS.readNullData(length); break; case _ID_ps_AttachedNotReachableForPaging: if (!ansIS.isTagPrimitive()) throw new MAPParsingComponentException( "Error while decoding psAttachedNotReachableForPaging choice: Parameter is not primitive", MAPParsingComponentExceptionReason.MistypedParameter); this.choice = PSSubscriberStateChoice.psAttachedNotReachableForPaging; ansIS.readNullData(length); break; case _ID_ps_AttachedReachableForPaging: if (!ansIS.isTagPrimitive()) throw new MAPParsingComponentException( "Error while decoding psAttachedReachableForPaging choice: Parameter is not primitive", MAPParsingComponentExceptionReason.MistypedParameter); this.choice = PSSubscriberStateChoice.psAttachedReachableForPaging; ansIS.readNullData(length); break; case _ID_ps_PDP_ActiveNotReachableForPaging: if (ansIS.isTagPrimitive()) throw new MAPParsingComponentException( "Error while decoding psPDPActiveNotReachableForPaging choice: Parameter is primitive", MAPParsingComponentExceptionReason.MistypedParameter); this.choice = PSSubscriberStateChoice.psPDPActiveNotReachableForPaging; this.decodePdpContextInfoList(ansIS, length); break; case _ID_ps_PDP_ActiveReachableForPaging: if (ansIS.isTagPrimitive()) throw new MAPParsingComponentException( "Error while decoding psPDPActiveReachableForPaging choice: Parameter is primitive", MAPParsingComponentExceptionReason.MistypedParameter); this.choice = PSSubscriberStateChoice.psPDPActiveReachableForPaging; this.decodePdpContextInfoList(ansIS, length); break; default: throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": bad tag for ContextSpecific TagClass: " + ansIS.getTag(), MAPParsingComponentExceptionReason.MistypedParameter); } } else { throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": bad tagClass: " + ansIS.getTagClass(), MAPParsingComponentExceptionReason.MistypedParameter); } } private void decodePdpContextInfoList(AsnInputStream ansIS, int length) throws AsnException, IOException, MAPParsingComponentException { this.pdpContextInfoList = new ArrayList<PDPContextInfo>(); while (true) { if (ansIS.available() == 0) break; int tag2 = ansIS.readTag(); if (ansIS.getTagClass() != Tag.CLASS_UNIVERSAL || tag2 != Tag.SEQUENCE || ansIS.isTagPrimitive()) throw new MAPParsingComponentException("Error when decoding " + _PrimitiveName + " pdpContextInfoList parameter components: bad tag class or tag or is primitive", MAPParsingComponentExceptionReason.MistypedParameter); PDPContextInfoImpl elem = new PDPContextInfoImpl(); elem.decodeAll(ansIS); this.pdpContextInfoList.add(elem); } } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive#encodeAll( org.mobicents.protocols.asn.AsnOutputStream) */ public void encodeAll(AsnOutputStream asnOs) throws MAPException { this.encodeAll(asnOs, this.getTagClass(), this.getTag()); } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive#encodeAll( org.mobicents.protocols.asn.AsnOutputStream, * int, int) */ public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws MAPException { try { asnOs.writeTag(tagClass, this.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); } } /* * (non-Javadoc) * * @see org.mobicents.protocols.ss7.map.primitives.MAPAsnPrimitive#encodeData (org.mobicents.protocols.asn.AsnOutputStream) */ public void encodeData(AsnOutputStream asnOs) throws MAPException { try { if (this.choice == null) throw new MAPException("Error while encoding the " + _PrimitiveName + ": choice is not defined"); if ((this.choice == PSSubscriberStateChoice.psPDPActiveNotReachableForPaging || this.choice == PSSubscriberStateChoice.psPDPActiveReachableForPaging) && this.pdpContextInfoList == null) throw new MAPException( "Error while encoding the " + _PrimitiveName + ": for choice psPDPActiveNotReachableForPaging or psPDPActiveReachableForPaging - pdpContextInfoList must not be null"); if ((this.choice == PSSubscriberStateChoice.netDetNotReachable) && this.netDetNotReachable == null) throw new MAPException("Error while encoding the " + _PrimitiveName + ": for choice netDetNotReachable - netDetNotReachable must not be null"); switch (this.choice) { case notProvidedFromSGSNorMME: case psDetached: case psAttachedNotReachableForPaging: case psAttachedReachableForPaging: asnOs.writeNullData(); break; case psPDPActiveNotReachableForPaging: case psPDPActiveReachableForPaging: if (this.pdpContextInfoList.size() < 1 || this.pdpContextInfoList.size() > 50) throw new MAPException("Error while encoding " + _PrimitiveName + ": pdpContextInfoList size must be from 1 to 50"); for (PDPContextInfo cii : this.pdpContextInfoList) { PDPContextInfoImpl ci = (PDPContextInfoImpl) cii; ci.encodeAll(asnOs); } break; case netDetNotReachable: asnOs.writeIntegerData(this.netDetNotReachable.getCode()); break; } } catch (IOException e) { throw new MAPException("IOException when encoding " + _PrimitiveName + ": " + e.getMessage(), e); } } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append(_PrimitiveName); sb.append(" ["); if (this.choice != null) sb.append(this.choice.toString()); if (this.netDetNotReachable != null) { sb.append(", netDetNotReachable="); sb.append(this.netDetNotReachable.toString()); } if (this.pdpContextInfoList != null && this.pdpContextInfoList.size() > 0) { sb.append(", pdpContextInfoList ["); for (PDPContextInfo p : pdpContextInfoList) { sb.append("PDPContextInfo="); sb.append(p); sb.append(", "); } sb.append("]"); } sb.append("]"); return sb.toString(); } }