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Feature List

• Reusable user interface tags that allow for easy component-oriented development using themes and templates ranging from simple text fields to advanced date pickers.
• AJAX theme that simplifes creating interactive web applications.
• Java 5 annotations that reduce configuration overhead. (Java 1.4 is the minimum platform.)
• Pluggable Result Types that support multiple view technologies, including JSP, FreeMarker, Velocity, PDF, and JasperReports.
• Flexible validation framework that allows validation rules to be decoupled from action code.
• Hierarchical approach to internationalization that simplifies localizing applications.
• Integrated dependency injection engine that manages component lifecycle and dependencies. (By default, the framework utilizes Spring for dependency injection.)
• Pluggable framework architecture that allows request lifecycles to be customized for each action.
• Generic command pattern framework (XWork) that can be used without a web container.
• Optional Interceptor plugins that can execute long-running queries in the background, prevent multiple form submissions, or handle custom security schemes.
• Automatic type conversion that transparently maps values from HTTP to native Java data objects, solving one of the most tedious efforts when creating web applications.
• JSTL-compatible expression language (OGNL) that exposes properties on multiple objects as if they were a single JavaBean.
• Modular configuration files that use packages and namespaces to simplify managing large projects with hundreds of actions.
• Easy integration with other popular products, including Hibernate, Spring, SiteMesh, and JSTL.
• Distributed under the business-friendly Apache License 2.0.

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