org.restcomm.protocols.ss7.commonapp.primitives.SingleTbcdStringImpl 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 {
data = decodeString(buffer);
return false;
}
public String getData() {
return data;
}
public static String decodeString(ByteBuf buffer) throws ASNParsingComponentException {
StringBuilder s = new StringBuilder();
while (buffer.readableBytes()>0) {
int b = buffer.readByte();
int digit = (b & DIGIT_1_MASK);
s.append(decodeNumber(digit));
}
return s.toString();
}
public static void encodeString(ByteBuf buffer, String data) throws ASNParsingException {
char[] chars = data.toCharArray();
for (int i = 0; i < chars.length; i++) {
char a = chars[i];
int digit = encodeNumber(a) & DIGIT_1_MASK;
buffer.writeByte(digit);
}
}
protected static int encodeNumber(char c) throws ASNParsingException {
switch (c) {
case '0':
return 0;
case '1':
return 1;
case '2':
return 2;
case '3':
return 3;
case '4':
return 4;
case '5':
return 5;
case '6':
return 6;
case '7':
return 7;
case '8':
return 8;
case '9':
return 9;
case '*':
return 10;
case '#':
return 11;
case 'a':
case 'A':
return 12;
case 'b':
case 'B':
return 13;
case 'c':
case 'C':
return 14;
default:
throw new ASNParsingException(
"char should be between 0 - 9, *, #, a, b, c for Telephony Binary Coded Decimal String. Received " + c);
}
}
protected static char decodeNumber(int i) throws ASNParsingComponentException {
switch (i) {
case 0:
return '0';
case 1:
return '1';
case 2:
return '2';
case 3:
return '3';
case 4:
return '4';
case 5:
return '5';
case 6:
return '6';
case 7:
return '7';
case 8:
return '8';
case 9:
return '9';
case 10:
return '*';
case 11:
return '#';
case 12:
return 'a';
case 13:
return 'b';
case 14:
return 'c';
// case 15:
// return 'd';
default:
throw new ASNParsingComponentException(
"Integer should be between 0 - 15 for Telephony Binary Coded Decimal String. Received " + i,
ASNParsingComponentExceptionReason.MistypedParameter);
}
}
@Override
public String toString() {
return _PrimitiveName + " [" + this.data + "]";
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((data == null) ? 0 : data.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;
SingleTbcdStringImpl other = (SingleTbcdStringImpl) obj;
if (data == null) {
if (other.data != null)
return false;
} else if (!data.equals(other.data))
return false;
return true;
}
@ASNValidate
public void validateElement() throws ASNParsingComponentException {
if(data==null)
throw new ASNParsingComponentException("data should be set for tbcd string", ASNParsingComponentExceptionReason.MistypedParameter);
if(data.length()<1)
throw new ASNParsingComponentException("data length should not be less then 1", ASNParsingComponentExceptionReason.MistypedParameter);
if(data.length()>2)
throw new ASNParsingComponentException("data length should not be more then 2", ASNParsingComponentExceptionReason.MistypedParameter);
}
}