gt:         if (this.ggsnNumber != null) {
context: /*
   * 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.restcomm.protocols.ss7.map.service.pdpContextActivation;
  
  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.restcomm.protocols.ss7.map.api.MAPException;
  import org.restcomm.protocols.ss7.map.api.MAPMessageType;
  import org.restcomm.protocols.ss7.map.api.MAPOperationCode;
  import org.restcomm.protocols.ss7.map.api.MAPParsingComponentException;
  import org.restcomm.protocols.ss7.map.api.MAPParsingComponentExceptionReason;
  import org.restcomm.protocols.ss7.map.api.primitives.GSNAddress;
  import org.restcomm.protocols.ss7.map.api.primitives.IMSI;
  import org.restcomm.protocols.ss7.map.api.primitives.ISDNAddressString;
  import org.restcomm.protocols.ss7.map.api.primitives.MAPExtensionContainer;
  import org.restcomm.protocols.ss7.map.api.service.pdpContextActivation.SendRoutingInfoForGprsRequest;
  import org.restcomm.protocols.ss7.map.primitives.GSNAddressImpl;
  import org.restcomm.protocols.ss7.map.primitives.IMSIImpl;
  import org.restcomm.protocols.ss7.map.primitives.ISDNAddressStringImpl;
  import org.restcomm.protocols.ss7.map.primitives.MAPExtensionContainerImpl;
  
  /**
  *
  * @author sergey vetyutnev
  *
  */
  public class SendRoutingInfoForGprsRequestImpl extends PdpContextActivationMessageImpl implements SendRoutingInfoForGprsRequest {
      protected static final int _TAG_imsi = 0;
      protected static final int _TAG_ggsnAddress = 1;
      protected static final int _TAG_ggsnNumber = 2;
      protected static final int _TAG_extensionContainer = 3;
  
      public static final String _PrimitiveName = "SendRoutingInfoForGprsRequest";
  
      private IMSI imsi;
      private GSNAddress ggsnAddress;
      private ISDNAddressString ggsnNumber;
      private MAPExtensionContainer extensionContainer;
  
      public SendRoutingInfoForGprsRequestImpl() {
      }
  
      public SendRoutingInfoForGprsRequestImpl(IMSI imsi, GSNAddress ggsnAddress, ISDNAddressString ggsnNumber, MAPExtensionContainer extensionContainer) {
          this.imsi = imsi;
          this.ggsnAddress = ggsnAddress;
          this.ggsnNumber = ggsnNumber;
          this.extensionContainer = extensionContainer;
      }
  
      @Override
      public MAPMessageType getMessageType() {
          return MAPMessageType.sendRoutingInfoForGprs_Request;
      }
  
      @Override
      public int getOperationCode() {
          return MAPOperationCode.sendRoutingInfoForGprs;
      }
  
      @Override
      public IMSI getImsi() {
          return imsi;
      }
  
      @Override
      public GSNAddress getGgsnAddress() {
          return ggsnAddress;
      }
  
      @Override
      public ISDNAddressString getGgsnNumber() {
          return ggsnNumber;
      }
  
      @Override
      public MAPExtensionContainer getExtensionContainer() {
          return extensionContainer;
      }
  
  
      @Override
      public int getTag() throws MAPException {
          return Tag.SEQUENCE;
      }
  
      @Override
      public int getTagClass() {
          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.ggsnAddress = null;
          this.ggsnNumber = null;
          this.extensionContainer = null;
  
          AsnInputStream ais = ansIS.readSequenceStreamData(length);
          int num = 0;
          while (true) {
              if (ais.available() == 0)
                  break;
  
              int tag = ais.readTag();
  
              if (ais.getTagClass() == Tag.CLASS_CONTEXT_SPECIFIC) {
                  switch (tag) {
                  case _TAG_imsi:
                      if (!ais.isTagPrimitive())
                          throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".imsi: Parameter is not primitive",
                                  MAPParsingComponentExceptionReason.MistypedParameter);
                      this.imsi = new IMSIImpl();
                      ((IMSIImpl) this.imsi).decodeAll(ais);
                      break;
                  case _TAG_ggsnAddress:
                      if (!ais.isTagPrimitive())
                          throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".ggsnAddress: Parameter is not primitive",
                                  MAPParsingComponentExceptionReason.MistypedParameter);
                      this.ggsnAddress = new GSNAddressImpl();
                      ((GSNAddressImpl) this.ggsnAddress).decodeAll(ais);
                      break;
                  case _TAG_ggsnNumber:
                      if (!ais.isTagPrimitive())
                          throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ".ggsnNumber: Parameter is not primitive",
                                  MAPParsingComponentExceptionReason.MistypedParameter);
                      this.ggsnNumber = new ISDNAddressStringImpl();
                      ((ISDNAddressStringImpl) this.ggsnNumber).decodeAll(ais);
                      break;
                  case _TAG_extensionContainer:
                      if (ais.isTagPrimitive())
                          throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName
                                  + ".extensionContainer: Parameter extensionContainer is primitive", MAPParsingComponentExceptionReason.MistypedParameter);
                      this.extensionContainer = new MAPExtensionContainerImpl();
                      ((MAPExtensionContainerImpl) this.extensionContainer).decodeAll(ais);
                      break;
  
                  default:
                      ais.advanceElement();
                      break;
                  }
              } else {
                  ais.advanceElement();
              }
  
              num++;
          }
  
          if (this.imsi == null)
              throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": Parameter imsi is mandator but not found",
                      MAPParsingComponentExceptionReason.MistypedParameter);
          if (this.ggsnNumber == null)
              throw new MAPParsingComponentException("Error while decoding " + _PrimitiveName + ": Parameter ggsnNumber is mandator 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, 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);
          }
      }
  
      @Override
      public void encodeData(AsnOutputStream asnOs) throws MAPException {
          if (this.imsi == null)
              throw new MAPException("IMSI parameter must not be null");
          if (this.ggsnNumber == null)
              throw new MAPException("ggsnNumber parameter must not be null");
  
          ((IMSIImpl) this.imsi).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _TAG_imsi);
          if (this.ggsnAddress != null)
              ((GSNAddressImpl) this.ggsnAddress).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _TAG_ggsnAddress);
          ((ISDNAddressStringImpl) this.ggsnNumber).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _TAG_ggsnNumber);
          if (this.extensionContainer != null)
              ((MAPExtensionContainerImpl) this.extensionContainer).encodeAll(asnOs, Tag.CLASS_CONTEXT_SPECIFIC, _TAG_extensionContainer);
      }
  
      @Override
      public String toString() {
          StringBuilder sb = new StringBuilder();
          sb.append(_PrimitiveName);
          sb.append(" [");
  
          if (this.imsi != null) {
              sb.append("imsi=");
              sb.append(imsi);
              sb.append(", ");
          }
          if (this.ggsnAddress != null) {
              sb.append("ggsnAddress=");
              sb.append(ggsnAddress);
              sb.append(", ");
          }
  