protected void setAppropriateCamelContext(ActivityExecution execution) {
// Check to see if the springConfiguration has been set. If not, set it.
if (springConfiguration == null) {
// Get the ProcessEngineConfiguration object.
ProcessEngineConfiguration engineConfiguration = Context.getProcessEngineConfiguration();
// Convert it to a SpringProcessEngineConfiguration. If this doesn't work, throw a
// RuntimeException.
// (ActivitiException extends RuntimeException.)
try {
springConfiguration = (SpringProcessEngineConfiguration) engineConfiguration;
} catch (Exception e) {
throw new ActivitiException(
"Expecting a SpringProcessEngineConfiguration for the Activiti Camel module.", e);
}
}
// Get the appropriate String representation of the CamelContext object from ActivityExecution
// (if available).
String camelContextValue = getStringFromField(camelContext, execution);
// If the String representation of the CamelContext object from ActivityExecution is empty, use
// the default.
if (StringUtils.isEmpty(camelContextValue) && camelContextObj != null) {
// No processing required. No custom CamelContext & the default is already set.
} else {
if (StringUtils.isEmpty(camelContextValue) && camelContextObj == null) {
camelContextValue = springConfiguration.getDefaultCamelContext();
}
// Get the CamelContext object and set the super's member variable.
Object ctx = springConfiguration.getApplicationContext().getBean(camelContextValue);
if (ctx == null || ctx instanceof CamelContext == false) {
throw new ActivitiException("Could not find CamelContext named " + camelContextValue + ".");
}
camelContextObj = (CamelContext) ctx;
}
}
