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Key: GEOS-88
Summary: Centralize Application Logic
Type: New Feature
Status: Open
Priority: Major
Original Estimate: Unknown
Time Spent: Unknown
Remaining: Unknown
Project: GeoServer
Versions:
1.2-beta
Assignee: Chris Holmes
Reporter: Jody Garnett
Created: Thu, 5 Feb 2004 5:11 PM
Updated: Thu, 5 Feb 2004 5:11 PM
Environment: All
Description:
From VWFS Implementaion Report Section 2.2.1
The advent of the WMS and WFS classes in the global package presents an
opportunity to improve the GeoServer Application. Currently GeoServer has
dispersed application logic across several Servlets.
These Servlets are used to implement the WFS and WMS protocols according to
the Transaction Script pattern (Fowler 110).
Transaction Scripts represent an Object Oriented Idiom similar in effect to
procedural programming. The use of this design has resulted in significant
duplication of functionality.
By moving common functionality to the WMS and WFS classes in the global
package we can reduce duplication.
Specific recommendations:
- Move FeatureType Schema generation from DescribeFeatureType to
FeatureTypeInfo. This functionality is currently duplicated.
- Allow WFS to publish a selection of FeatureTypes defined in Data. This
functionality is currently duplicated in the FeatureTypeInfo.
- Allow WMS to publish a selection of FeatureTypes defined in Data. This
functionality is currently duplicated in the FeatureTypeInfo.
- Allows WMS to control the style associated with a Layer.
It may be noted that the global Data classes module has already accomplished
this centralization for the GeoServer Data classes and the Validation Processor.
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