/**
* helper method to check for selectors of individual fields like "select x from y" or "{'select x
* from y where id=' + z}". For such selectors it returns true, otherwise false
*/
protected static boolean isIndividualSelector(String selector) {
if (selector == null) return false;
StreamTokenizer tokenizer = new StreamTokenizer(new StringReader(selector));
tokenizer.ordinaryChar('\'');
tokenizer.ordinaryChar('"');
int token;
try {
while ((token = tokenizer.nextToken()) != StreamTokenizer.TT_EOF) {
if (token == StreamTokenizer.TT_WORD)
return StringUtil.startsWithIgnoreCase(tokenizer.sval.trim(), "select");
}
} catch (IOException e) {
throw new RuntimeException("Unexpected error", e);
}
return false;
}
