A Handler allows you to send and process Message and Runnable objects associated with a thread’s MessageQueue . Each Handler instance is associated with a single thread and that thread’s message queue. … Scheduling messages is accomplished with the post(Runnable) , postAtTime(java.

What is handler method?

Form handlers use special handler methods for linking form elements with Nucleus components. A handler method has the name handleX , where X represents the name of the form handler property being set.

What is a content handler?

Content handlers are responsible for preparing request data and evaluating response data based on the content-type of the request and response. A content handler operates as follows: Structured YAML data provided via the data attribute is converted to a string or bytes sequence and used as request body.