// different. (If the operator is unknown, throw an exception)
String operation = operator.getOperation();
OperatorProcessor processor = (OperatorProcessor) contentStreamEngineOperators.get(operation);
if (processor != null) {
processor.setContext(this);
processor.process(operator, arguments);
} else {
throwContentStreamException("The operator \"" + operation
+ "\" isn't supported.", ERROR_SYNTAX_CONTENT_STREAM_UNSUPPORTED_OP);
}