/** Fetch the classloader for the given ApplicationID. */
static URLClassLoader getUrlClassLoader(ApplicationID appId, Map input) {
NCube cpCube = getCube(appId, CLASSPATH_CUBE);
if (cpCube
== null) { // No sys.classpath cube exists, just create regular GroovyClassLoader with no
// URLs set into it.
// Scope the GroovyClassLoader per ApplicationID
return getLocalClassloader(appId);
}
final String envLevel = SystemUtilities.getExternalVariable("ENV_LEVEL");
if (!input.containsKey("env")
&& StringUtilities.hasContent(
envLevel)) { // Add in the 'ENV_LEVEL" environment variable when looking up sys.* cubes,
// if there was not already an entry for it.
input.put("env", envLevel);
}
if (!input.containsKey("username")) { // same as ENV_LEVEL, add it in if not already there.
input.put("username", System.getProperty("user.name"));
}
Object urlCpLoader = cpCube.getCell(input);
if (urlCpLoader instanceof URLClassLoader) {
return (URLClassLoader) urlCpLoader;
}
throw new IllegalStateException(
"If the sys.classpath cube exists it must return a URLClassLoader.");
}
public static Map<String, Object> getSystemParams() {
final ConcurrentMap<String, Object> params = systemParams;
if (params != null) {
return params;
}
synchronized (NCubeManager.class) {
if (systemParams == null) {
String jsonParams = SystemUtilities.getExternalVariable(NCUBE_PARAMS);
systemParams = new ConcurrentHashMap<>();
if (StringUtilities.hasContent(jsonParams)) {
try {
systemParams = new ConcurrentHashMap<>(JsonReader.jsonToMaps(jsonParams));
} catch (Exception e) {
LOG.warn("Parsing of NCUBE_PARAMS failed. " + jsonParams);
}
}
}
}
return systemParams;
}