J2EE Patterns: Difference between revisions
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(Created page with "Top level enterprise blueprints http://java.sun.com/blueprints/enterprise/index.html Catalogue of patters http://java.sun.com/blueprints/patterns/catalog.html = Intercepting...") |
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Latest revision as of 21:33, 14 September 2021
Top level enterprise blueprints http://java.sun.com/blueprints/enterprise/index.html
Catalogue of patters http://java.sun.com/blueprints/patterns/catalog.html
Intercepting Filter
Problem
- Interpret and manipulate request before/after processing
- Actions/Control based on input
- Transformations
Examples:
- Compression/Encryption/Encoding
- Validating session/browser type/URL access
Solution:
- Standard filter strategy
- Pluggable filter
- Filter manager - combines chain of filters - delegates control