public boolean containsKey(Object key) {
for (Resolver scriptResolver : scriptResolvers) {
if (scriptResolver.containsKey(key)) {
return true;
}
}
return defaultBindings.containsKey(key);
}
@Override
public void handleAction(
final Context context, final ActionRequest request, final Bindings handler)
throws ResourceException {
super.handleAction(context, request, handler);
for (Map.Entry<String, String> entry : request.getAdditionalParameters().entrySet()) {
if (handler.containsKey(entry.getKey())) {
continue;
}
if (bindings != null) {
bindings.put(entry.getKey(), entry.getValue());
}
}
handler.put("request", request);
handler.put("resources", configuration.get("resources").copy().getObject());
}
@SuppressWarnings("rawtypes")
// the caller is responsible for setting the task environment
@Override
protected Object evaluate(final ScriptEngine scriptEngine, final String script) {
LOGGER.debug("evaluate called for {}", script);
// Bindings bindings = new CustomEnvironmentBindings();
// we can add any custom binding here if we override the EnvironmentBindings
final Bindings bindings = new EnvironmentBindings(readContextNames, writeContextName);
scriptEngine.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
if (!bindings.containsKey("task")) {
LOGGER.warn("calling a script and no task in context, the script is [{}]", script);
} else {
LOGGER.info("got a task in the context >{}<", bindings.get("task"));
}
try {
// we get a nullpointer exception if we have a comments only script, try to prevent this
// by checking for a nullpointer clazz before calling eval on tne script engine:
Class clazz = new GroovyClassLoader().parseClass(script);
if (clazz == null) {
LOGGER.debug("script parsed to null");
return null;
} else {
final Object result = scriptEngine.eval(script);
LOGGER.debug("script evaluated to {}", result);
return result;
}
} catch (final Exception ex) {
LOGGER.warn(
"script error in script, the error is: {}, the script is: [{}], throwing error ",
ex.getMessage(),
script);
throw new JbpmException("script evaluation error: " + ex.getMessage(), ex);
}
}