/* * 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.cap.service.gprs; 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.cap.api.CAPException; import org.mobicents.protocols.ss7.cap.api.CAPMessageType; import org.mobicents.protocols.ss7.cap.api.CAPOperationCode; import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentException; import org.mobicents.protocols.ss7.cap.api.CAPParsingComponentExceptionReason; import org.mobicents.protocols.ss7.cap.api.service.gprs.ConnectGPRSRequest; import org.mobicents.protocols.ss7.cap.api.service.gprs.primitive.AccessPointName; import org.mobicents.protocols.ss7.cap.api.service.gprs.primitive.PDPID; import org.mobicents.protocols.ss7.cap.service.gprs.primitive.AccessPointNameImpl; import org.mobicents.protocols.ss7.cap.service.gprs.primitive.PDPIDImpl; import org.mobicents.protocols.ss7.map.api.MAPParsingComponentException; /** * * @author Lasith Waruna Perera * */ public class ConnectGPRSRequestImpl extends GprsMessageImpl implements ConnectGPRSRequest { public static final String _PrimitiveName = "ConnectGPRSRequest"; public static final int _ID_accessPointName = 0; public static final int _ID_pdpID = 1; private AccessPointName accessPointName; private PDPID pdpID; public ConnectGPRSRequestImpl() { } public ConnectGPRSRequestImpl(AccessPointName accessPointName, PDPID pdpID) { super(); this.accessPointName = accessPointName; this.pdpID = pdpID; } @Override public AccessPointName getAccessPointName() { return this.accessPointName; } @Override public PDPID getPDPID() { return this.pdpID; } @Override public CAPMessageType getMessageType() { return CAPMessageType.connectGPRS_Request; } @Override public int getOperationCode() { return CAPOperationCode.connectGPRS; } @Override public int getTag() throws CAPException { return Tag.SEQUENCE; } @Override public int getTagClass() { return Tag.CLASS_UNIVERSAL; } @Override public boolean getIsPrimitive() { return false; } @Override public void decodeAll(AsnInputStream ansIS) throws CAPParsingComponentException { try { int length = ansIS.readLength(); this._decode(ansIS, length); } catch (IOException e) { throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter); } catch (AsnException e) { throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter); } catch (MAPParsingComponentException e) { throw new CAPParsingComponentException("MAPParsingComponentException when decoding " + _PrimitiveName + ": " + e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter); } } @Override public void decodeData(AsnInputStream ansIS, int length) throws CAPParsingComponentException { try { this._decode(ansIS, length); } catch (IOException e) { throw new CAPParsingComponentException("IOException when decoding " + _PrimitiveName + ": " + e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter); } catch (AsnException e) { throw new CAPParsingComponentException("AsnException when decoding " + _PrimitiveName + ": " + e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter); } catch (MAPParsingComponentException e) { throw new CAPParsingComponentException("MAPParsingComponentException when decoding " + _PrimitiveName + ": " + e.getMessage(), e, CAPParsingComponentExceptionReason.MistypedParameter); } } private void _decode(AsnInputStream ansIS, int length) throws CAPParsingComponentException, IOException, AsnException, MAPParsingComponentException { this.accessPointName = null; this.pdpID = null; AsnInputStream ais = ansIS.readSequenceStreamData(length); while (true) { if (ais.available() == 0) break; int tag = ais.readTag(); if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) { switch (tag) { case _ID_accessPointName: if (!ais.isTagPrimitive()) throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ".accessPointName: Parameter is not primitive", CAPParsingComponentExceptionReason.MistypedParameter); this.accessPointName = new AccessPointNameImpl(); ((AccessPointNameImpl) this.accessPointName).decodeAll(ais); break; case _ID_pdpID: if (!ais.isTagPrimitive()) throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ".pdpID: Parameter is not primitive", CAPParsingComponentExceptionReason.MistypedParameter); this.pdpID = new PDPIDImpl(); ((PDPIDImpl) this.pdpID).decodeAll(ais); break; default: ais.advanceElement(); break; } } else { ais.advanceElement(); } } if (this.accessPointName == null) throw new CAPParsingComponentException("Error while decoding " + _PrimitiveName + ": parameter accessPointName is mandatory but not found", CAPParsingComponentExceptionReason.MistypedParameter); } @Override public void encodeAll(AsnOutputStream asnOs) throws CAPException { this.encodeAll(asnOs, this.getTagClass(), this.getTag()); } @Override public void encodeAll(AsnOutputStream asnOs, int tagClass, int tag) throws CAPException { try { asnOs.writeTag(tagClass, this.getIsPrimitive(), tag); int pos = asnOs.StartContentDefiniteLength(); this.encodeData(asnOs); asnOs.FinalizeContent(pos); } catch (AsnException e) { throw new CAPException("AsnException when encoding " + _PrimitiveName + ": " + e.getMessage(), e); } } @Override public void encodeData(AsnOutputStream asnOs) throws CAPException { if (this.accessPointName == null) throw new CAPException("Error while encoding " + _PrimitiveName + ": accessPointName must not be null"); ((AccessPointNameImpl) this.accessPointName).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _ID_accessPointName); if (this.pdpID != null) ((PDPIDImpl) this.pdpID).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _ID_pdpID); } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append(_PrimitiveName + " ["); this.addInvokeIdInfo(sb); if (this.accessPointName != null) { sb.append(", accessPointName="); sb.append(this.accessPointName.toString()); sb.append(", "); } if (this.pdpID != null) { sb.append(", pdpID="); sb.append(this.pdpID.toString()); } sb.append("]"); return sb.toString(); } }