@SuppressWarnings("unchecked")
protected static void includeScriptLibraries(ScriptEngine engine) throws ScriptException {
FacesContext context = FacesContext.getCurrentInstance();
String language = engine.getFactory().getLanguageName();
Set<String> mimeTypes = new HashSet<String>(engine.getFactory().getMimeTypes());
mimeTypes.add("text/x-script-" + language);
Set<String> includedLibraries =
(Set<String>) getScopeMap().get("_" + language + "IncludedLibraries");
if (includedLibraries == null) {
includedLibraries = new HashSet<String>();
getScopeMap().put("_" + language + "IncludedLibraries", includedLibraries);
}
// Now look through the view's resources for appropriate scripts and load them
UIViewRootEx2 view = (UIViewRootEx2) context.getViewRoot();
if (view != null) {
for (Resource res : view.getResources()) {
if (res instanceof ScriptResource) {
ScriptResource script = (ScriptResource) res;
if (script.getType() != null && mimeTypes.contains(script.getType())) {
// Then we have a script - find its contents and run it
String properName = (script.getSrc().charAt(0) == '/' ? "" : "/") + script.getSrc();
if (!includedLibraries.contains(properName)) {
InputStream is =
context
.getExternalContext()
.getResourceAsStream("/WEB-INF/" + language + properName);
if (is != null) {
engine.eval(new InputStreamReader(is));
}
includedLibraries.add(properName);
}
}
}
}
}
}
