/**
* Loads the declarations of the script engines declared in a property set
*
* @param props property set containing the configuration
* @throws ConfigurationException if the scripting languages cannot be loaded
*/
private void loadScriptingLanguages(Properties props) throws ConfigurationException {
String strEngineList = loadProperty(props, SCRIPT_ENGINE_LIST_P);
for (StringTokenizer engineTokenizer = new StringTokenizer(strEngineList);
engineTokenizer.hasMoreTokens(); ) {
String engineBaseItem = engineTokenizer.nextToken();
String engineName = props.getProperty(engineBaseItem + ".name"); // $NON-NLS-1$
String engineClass = props.getProperty(engineBaseItem + ".class"); // $NON-NLS-1$
String engineExtProps = props.getProperty(engineBaseItem + ".extensions"); // $NON-NLS-1$
String[] extArray = null;
if (engineExtProps != null) {
List<String> extList = new ArrayList<String>();
for (StringTokenizer extTokenizer = new StringTokenizer(engineExtProps);
extTokenizer.hasMoreTokens(); ) {
String extension = extTokenizer.nextToken();
ext = extension;
extList.add(extension);
}
extArray = extList.toArray(new String[0]);
}
BSFManager.registerScriptingEngine(engineName, engineClass, extArray);
System.out.println("Script " + engineName + " loaded"); // $NON-NLS-1$ //$NON-NLS-2$
}
defaultEngineName = loadProperty(props, DFLT_SCRIPT_ENGINE_P);
}
/**
* Loads the BSF engine.
*
* @param engineName name of the engine
* @see #getEngine()
*/
private void loadEngine(String engineName) throws ConfigurationException {
System.out.println("Loading script engine " + engineName);
try {
engine = bsfManager.loadScriptingEngine(engineName.trim());
} catch (BSFException bsfEx) {
String msg = "Could not find script engine " + engineName; // $NON-NLS-1$
System.err.println(msg + " " + bsfEx);
throw new ConfigurationException(msg, bsfEx);
}
// import the initial packages
for (String pkgName : scriptImportPkgList) {
System.out.println("Loading package " + pkgName);
importPkgToScriptEngine(pkgName);
}
System.out.println("Script engine " + engineName + " loaded");
}