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<body> |
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<body> |
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<h2>Tag Plugins: Introductory Notes</h2> |
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<h2>Tag Plugins: Introductory Notes</h2> |
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<p> |
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<p> |
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Tomcat 5 provides a framework for implementing tag plugins. The |
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Tomcat provides a framework for implementing tag plugins. The |
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plugins instruct Jasper, at translation time, to replace tag handler |
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plugins instruct Jasper, at translation time, to replace tag handler |
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calls with Java scriptlets. |
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calls with Java scriptlets. |
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The framework allows tag library authors to implement plugins for |
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The framework allows tag library authors to implement plugins for |
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their tags. |
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their tags. |
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</p> |
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</p> |
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<p> |
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<p> |
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Tomcat 5 is released with plugins for several JSTL tags. Note |
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Tomcat is released with plugins for several JSTL tags. Note |
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that these plugins work with JSTL 1.1 as well as JSTL 1.0, though |
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that these plugins work with JSTL 1.1 as well as JSTL 1.0, though |
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the examples uses JSTL 1.1 and JSP 2.0. |
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the examples uses JSTL 1.1 and JSP 2.0. |
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These plugins are not complete (for instance, some item types not |
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These plugins are not complete (for instance, some item types are not |
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handled in <c:if>). |
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handled in <c:if>). |
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They do serve as examples to show plugins in action (just |
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They do serve as examples to show plugins in action (just |
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examine the generated Java files), and how they can be implemented. |
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examine the generated Java files), and how they can be implemented. |