org.restcomm.protocols.ss7.commonapp.primitives.AddressStringImpl Maven / Gradle / Ivy
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/*
* Mobius Software LTD
* Copyright 2019, Mobius Software LTD and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see mappedData,Boolean skipErrors) throws ASNParsingComponentException {
decode(buffer);
return false;
}
public void decode(ByteBuf buffer) throws ASNParsingComponentException {
if (buffer.readableBytes() > maxLength+1)
throw new ASNParsingComponentException("Error when decoding AddressString: mesage length must not exceed 20",
ASNParsingComponentExceptionReason.MistypedParameter);
int nature = buffer.readByte();
if ((nature & NO_EXTENSION_MASK) == 0x80) {
this.isExtension = false;
} else {
this.isExtension = true;
}
int natureOfAddInd = ((nature & NATURE_OF_ADD_IND_MASK) >> 4);
this.addressNature = AddressNature.getInstance(natureOfAddInd);
int numbPlanInd = (nature & NUMBERING_PLAN_IND_MASK);
this.numberingPlan = NumberingPlan.getInstance(numbPlanInd);
if (this.getNumberingPlan() == NumberingPlan.spare_5) {
// -- In the context of the DestinationSubscriberNumber field in ConnectSMSArg or
// -- InitialDPSMSArg, a CalledPartyBCDNumber may also contain an alphanumeric
// -- character string. In this case, type-of-number '101'B is used, in accordance
// -- with 3GPP TS 23.040 [6]. The address is coded in accordance with the
// -- GSM 7-bit default alphabet definition and the SMS packing rules
// -- as specified in 3GPP TS 23.038 [15] in this case.
if (buffer.readableBytes()==0)
this.address="";
else {
GSMCharset cs = new GSMCharset();
GSMCharsetDecoder decoder = (GSMCharsetDecoder) cs.newDecoder();
int totalSeptetCount = buffer.readableBytes() + (buffer.readableBytes() / 8);
GSMCharsetDecodingData encodingData = new GSMCharsetDecodingData(Gsm7EncodingStyle.bit7_sms_style,totalSeptetCount, 0);
decoder.setGSMCharsetDecodingData(encodingData);
try {
this.address=decoder.decode(buffer);
}
catch(CharacterCodingException ex) {
throw new ASNParsingComponentException(ex,ASNParsingComponentExceptionReason.MistypedParameter);
}
}
} else
this.address=TbcdStringImpl.decodeString(buffer);
}
@Override
public String toString() {
return "AddressString[AddressNature=" + this.addressNature.toString() + ", NumberingPlan="
+ this.numberingPlan.toString() + ", Address=" + this.address + "]";
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((address == null) ? 0 : address.hashCode());
result = prime * result + ((addressNature == null) ? 0 : addressNature.hashCode());
result = prime * result + ((numberingPlan == null) ? 0 : numberingPlan.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
AddressStringImpl other = (AddressStringImpl) obj;
if (address == null) {
if (other.address != null)
return false;
} else if (!address.equals(other.address))
return false;
if (addressNature != other.addressNature)
return false;
if (numberingPlan != other.numberingPlan)
return false;
return true;
}
@ASNValidate
public void validateElement() throws ASNParsingComponentException {
if(addressNature==null)
throw new ASNParsingComponentException("address nature is required for Address nature", ASNParsingComponentExceptionReason.MistypedParameter);
if(numberingPlan==null)
throw new ASNParsingComponentException("numering plan is required for Address nature", ASNParsingComponentExceptionReason.MistypedParameter);
if(address==null)
throw new ASNParsingComponentException("address required for Address nature", ASNParsingComponentExceptionReason.MistypedParameter);
if (this.address.length() > maxLength*2)
throw new ASNParsingComponentException("Error when encoding AddressString: address length must not exceed " + (maxLength*2) + " digits", ASNParsingComponentExceptionReason.MistypedParameter);
}
}