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Ext GWT 2.0 Beginner's Guide by Daniel Vaughan

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Using remote data

As well as populating stores with data on the client-side, we can also populate stores by retrieving remote data. GXT provides facilities for loading and working with remote data, be it XML or JSON retrieved via HTTP, or objects retrieved through GWT RPC. For each source, GXT provides mechanisms to retrieve and read data. If necessary, it can also convert the raw data into ModelData and then automatically add it into a Store.

There are several components involved in this process. They all perform a function in their own right but come together to retrieve and process data:

  • DataProxy—retrieves the raw data from the source
  • DataReader—takes the raw data and converts it into ModelData
  • Loader—loads the processed data into the store ...

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