Object Handler

Message processor interface

Inheritance

Constructor

Handler

Construct a message processor chain processing object

1
new Handler(Array hdlrs);

Call parameters:

• hdlrs : Array, processor array

Create a message handler routing object

1
new Handler(Object map);

Call parameters:

• map : Object, initialize routing parameters

Create a JavaSvript message processor

1
new Handler(Function hdlr);

Call parameters:

• hdlr : Function, JavaScript processor function

Construct a fileHandler or HttpRepeater

1
new Handler(String hdlr);

Call parameters:

• hdlr : String, the address parameter of the processor

Member function

invoke

Process a message or object

1
Handler Handler.invoke(object v) async;

Call parameters:

• v : object , specify the message or object to be processed

Return result:

• Handler , return to the next processor

toString

Returns the string representation of the object, generally returns "[Native Object]", the object can be re-implemented according to its own characteristics

1
String Handler.toString();

Return result:

• String , returns the string representation of the object

toJSON

Returns the JSON format representation of the object, generally returns a collection of readable attributes defined by the object

1
Value Handler.toJSON(String key = "");

Call parameters:

• key : String, unused

Return result:

• Value , returns a value containing JSON serializable