static public HashMap<String, String> extractMeta(String url, String rawPage, String contentType, String contentCharset, String scriptsPath, String scriptName, boolean lowercase) {
if (scriptName==null || "".equals(scriptName))
scriptName = getScriptName(scriptsPath, url);
ScriptSnippet scriptSnippet = getScriptSnippet(scriptName, "extractmeta", url);
if (scriptSnippet!=null) {
String engineName = scriptSnippet.getEngineName();
String code = scriptSnippet.getCode();
ScriptEngineManager factory = new ScriptEngineManager();
ScriptEngine engine = factory.getEngineByName(engineName);
Bindings bindings = engine.getBindings(ScriptContext.ENGINE_SCOPE);