/**
* The convert method translates a String input to a specified outbound level of the same coding
* scheme. For example, the input string value may be a tag-encoding URI and the outbound level
* specified by string outboundlevel may be BINARY, in which case the return value is a binary
* representation expressed as a string.
*
* @param input the identifier to be converted.
* @param inputParameters additional parameters which need to be provided because they cannot
* always be determined from the input value alone. Examples include the taglength,
* companyprefixlength and filter values.
* @param outputLevel the outbound level required for the ouput. Permitted values include BINARY,
* TAG_ENCODING, PURE_IDENTITY, LEGACY and ONS_HOSTNAME.
* @return the identifier converted to the output level.
*/
public String convert(
String input, Map<String, String> inputParameters, LevelTypeList outputLevel) {
TagLengthList tagLength = null;
if (inputParameters.containsKey("taglength")) {
// in principle, the user should provide a
// TagLengthList object in the parameter list.
String s = inputParameters.get("taglength");
tagLength = TagLengthList.valueOf(s);
}
PrefixMatch match = findPrefixMatch(input, tagLength);
return convertLevel(match.getScheme(), match.getLevel(), input, inputParameters, outputLevel);
}
/**
* Returns the value of a specified fieldname from the specified hashmap and returns an integer
* value or throws an exception if the value is not an integer
*/
private int getIntValue(String fieldname, Map<String, String> extraparams) {
Matcher checkint = Pattern.compile("^\\d+$").matcher(fieldname);
int rv;
if (checkint.matches()) {
rv = Integer.parseInt(fieldname);
} else {
if (extraparams.containsKey(fieldname)) {
rv = Integer.parseInt(extraparams.get(fieldname));
} else {
rv = -1;
throw new TDTException(
"No integer value for " + fieldname + " can be found - check extraparams");
}
}
return rv;
}