private void makePatternMap(List<String> patternPairs) throws IllegalArgumentException {
if (patternPairs != null) {
patternMap = new LinkedMap();
for (String pair : patternPairs) {
// Find the last occurrence of comma to avoid regexp quoting
int pos = pair.lastIndexOf(',');
if (pos < 0) {
throw new IllegalArgumentException("Marformed pattern,int pair; no comma: " + pair);
}
String regexp = pair.substring(0, pos);
String pristr = pair.substring(pos + 1);
int pri;
Pattern pat;
try {
pri = Integer.parseInt(pristr);
int flags = Perl5Compiler.READ_ONLY_MASK;
pat = RegexpUtil.getCompiler().compile(regexp, flags);
patternMap.put(pat, pri);
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Illegal priority: " + pristr);
} catch (MalformedPatternException e) {
throw new IllegalArgumentException("Illegal regexp: " + regexp);
}
}
}
}
/**
* Return the value associated with the first pattern that the string matches, or the specified
* default value if none, considering only patterns whose associated value is less than or equal
* to maxPri.
*/
public int getMatch(String str, int dfault, int maxPri) {
Perl5Matcher matcher = RegexpUtil.getMatcher();
for (Map.Entry<Pattern, Integer> ent : patternMap.entrySet()) {
if (ent.getValue() <= maxPri) {
Pattern pat = ent.getKey();
if (matcher.contains(str, pat)) {
log.debug2("getMatch(" + str + "): " + ent.getValue());
return ent.getValue();
}
}
}
log.debug2("getMatch(" + str + "): default: " + dfault);
return dfault;
}