in repository/service/src/main/java/org/apache/karaf/cave/repository/service/bundlerepository/SimpleFilter.java [154:167]
private static void toEncodedString(StringBuilder sb, Object o) {
if (o instanceof String) {
String s = (String) o;
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if ((c == '\\') || (c == '(') || (c == ')') || (c == '*')) {
sb.append('\\');
}
sb.append(c);
}
} else {
sb.append(o);
}
}