protected String[] listRulesInPackage(String packageName) throws SerializationException {
// load package
PackageItem item = rulesRepository.loadPackage(packageName);
PackageDRLAssembler assembler = createPackageDRLAssembler(item);
List<String> result = new ArrayList<String>();
try {
String drl = assembler.getDRL();
if (drl == null || "".equals(drl)) {
return new String[0];
} else {
parseRulesToPackageList(assembler, result);
}
return result.toArray(new String[result.size()]);
} catch (DroolsParserException e) {
log.error("Unable to list rules in package", e);
return new String[0];
}
}
void parseRulesToPackageList(PackageDRLAssembler asm, List<String> result)
throws DroolsParserException {
int count = 0;
StringTokenizer stringTokenizer = new StringTokenizer(asm.getDRL(), "\n\r");
while (stringTokenizer.hasMoreTokens()) {
String line = stringTokenizer.nextToken().trim();
if (line.startsWith("rule ")) {
String name = getRuleName(line);
result.add(name);
count++;
if (count == MAX_RULES_TO_SHOW_IN_PACKAGE_LIST) {
result.add("More then " + MAX_RULES_TO_SHOW_IN_PACKAGE_LIST + " rules.");
break;
}
}
}
}
protected String buildPackageSource(String packageUUID) throws SerializationException {
PackageItem item = rulesRepository.loadPackageByUUID(packageUUID);
PackageDRLAssembler asm = new PackageDRLAssembler(item);
return asm.getDRL();
}