void init(ExtendletConfig config, ExtendletLoader<V> loader) {
_webctx = config.getExtendletContext();
_cache = new ResourceCache<String, V>(loader, 16);
_cache.setMaxSize(1024);
_cache.setLifetime(60 * 60 * 1000); // 1hr
final int checkPeriod = loader.getCheckPeriod();
_cache.setCheckPeriod(checkPeriod >= 0 ? checkPeriod : 60 * 60 * 1000); // 1hr
}
// called by Provider
InputStream getResourceAsStream(HttpServletRequest request, String path, boolean locate)
throws IOException, ServletException {
if (locate)
path = Servlets.locate(_webctx.getServletContext(), request, path, _webctx.getLocator());
if (_cache.getCheckPeriod() >= 0) {
// Due to Web server might cache the result, we use URL if possible
try {
URL url = _webctx.getResource(path);
if (url != null) return url.openStream();
} catch (Throwable ex) {
log.warningBriefly("Unable to read from URL: " + path, ex);
}
}
// Note: _webctx will handle the renaming for debugJS (.src.js)
return _webctx.getResourceAsStream(path);
}
/** Sets whether to generate JS files that is easy to debug. */
public void setDebugJS(boolean debugJS) {
_debugJS = Boolean.valueOf(debugJS);
if (_cache != null) _cache.clear();
}