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Methods and techniques for delivering rich Java applications over thin-wire connections with high performance and scalability

  • US 7,596,791 B2
  • Filed: 12/07/2001
  • Issued: 09/29/2009
  • Est. Priority Date: 12/19/2000
  • Status: Expired due to Term
First Claim
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1. A method for delivering an application over a network from a backend server to a plurality of client devices, at least two of the client devices differing in type and display capabilities, the method comprising the steps of:

  • receiving a request from a client and determining a type of the client;

    having the application invoke a Graphic User Interface (GUI) Application Programming Interface (API) to present the application'"'"'s user interface;

    in response to the type of the client, replacing the GUI API with a re-implemented, network aware GUI API comprising a User Interface (UI) record, the UI record comprising pre-determined format based messages that describe the Graphical User Interface, event processing registries, and other related information corresponding to a presentation layer of the application in high level, object level, messages;

    sending such messages to the client device via the network;

    processing the messages in the UI record and rendering a user interface by a client-side program operating at the client, which delivers a user experience for that device according to the display capability of the client;

    rendering the user interface on the client device;

    transmitting a plurality of necessary user input and a plurality of client-side events back to the server via a predetermined protocol;

    processing the user input and client-side events on the backend server, translating the events and inputs as if they were locally generated, and sending such translated events and inputs to the application for processing;

    encoding and routing output of the application to the client device using the predetermined messaging format; and

    ,further processing the output by the client-side program to refresh the Graphical User Interface;

    wherein use of the re-implemented network aware API enables the application and GUI API to be developed once and deployed multiple times for use by multiple different types of client devices.

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