Significant enhancements in Spring Security 3 over Spring Security 2 include the following:
The addition of Spring Expression Language (SpEL) support for access declarations, both in URL patterns and method access specifications, which we have covered in Chapter 2, Getting Started in Spring Security and Chapter 5, Fine-Grained Access Control.
Additional fine-grained configuration around authentication and accessing successes and failures, which we have covered briefly in Chapter 2, Chapter 5, and in detail in Chapter 6, Advanced Configuration and Extension.
Enhanced capabilities of method access declaration, including annotation-based pre-and post-invocation access checks and filtering, as well as highly configurable ...
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