private HandlerMethodReturnValueHandler getReturnValueHandler(MethodParameter returnType) { for (HandlerMethodReturnValueHandler handler : this.returnValueHandlers) { if (handler.supportsReturnType(returnType)) { return handler; } } return null; }
/** * Find a registered {@link HandlerMethodReturnValueHandler} that supports the given return type. */ private HandlerMethodReturnValueHandler getReturnValueHandler(MethodParameter returnType) { HandlerMethodReturnValueHandler result = this.returnValueHandlerCache.get(returnType); if (result == null) { for (HandlerMethodReturnValueHandler returnValueHandler : returnValueHandlers) { if (logger.isTraceEnabled()) { logger.trace( "Testing if return value handler [" + returnValueHandler + "] supports [" + returnType.getGenericParameterType() + "]"); } if (returnValueHandler.supportsReturnType(returnType)) { result = returnValueHandler; this.returnValueHandlerCache.put(returnType, returnValueHandler); break; } } } return result; }