Join Ketkee Aryamane for an in-depth discussion in this video Custom tag library, part of Java EE: Servlets and JavaServer Pages (JSP).
- [Instructor] Okay, so now that we have seen…JSP standard actions, expression language,…JSTL, let's say that you want to implement a requirement…which is not allowing you to choose any tag from JST.…Let's say that's something that you want to implement…for which there is no tag existing…under the Java server pages tag library.…So, in that case, you can make your own tag library…which is the custom tag library defined…by the developer, right.…So, custom tag library is basically going…to consist of a user-defined JSP element…and, when it's a library,…of course it can contain one…or more tags bundled together…and you can bundle them in a jar file…and make sure that the jar file is used…by a few other projects…so that it promotes re-useability as well.…
Now, in order to develop a custom tag library,…you of course need to write your own tags…but as we saw, that when we write a tag on a JSP,…it's not just a tag.…There's some Java code that executes behind the tag, right?…So whenever, the JSP executes and runs,…the tag makes sure that there's some Java…
Author
Released
2/6/2018- Reviewing the purpose of servlets
- Implementing a GET request in a web app
- POST request basics
- Forwarding, redirection, and other APIs
- Servlet life cycle
- Reviewing JSP and its features
- Session management
- Filters and Listeners
- Using expression language in JSP
- Need for JSTL and its modules
Skill Level Intermediate
Duration
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Introduction
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Welcome47s
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What you should know2m 51s
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1. Overview and Setup
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Alternative setups1m 44s
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Project application setup5m 11s
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2. Servlet Basics: GET
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Types of HTTP requests1m 20s
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3. Servlet Basics: POST
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POST request basics2m 48s
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4. Forwarding, Redirection, and Other APIs
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Understanding forwarding9m 45s
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Understanding redirection3m 44s
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Using ServletConfig5m 11s
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Using ServletContext4m 19s
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5. Servlet Life Cycle
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Using the servlet life cycle7m 51s
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6. JSP Fundamentals
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JSP directives: Page8m 52s
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7. Session Management
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Using cookies11m 56s
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Using URL rewriting9m 15s
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8. Filters and Listeners
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Filters: Implement filter logic10m 15s
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Using listeners in a web app10m 51s
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9. JSP Standard Actions and Expression Language
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Expression language7m 20s
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10. JSTL and Custom Tag Library
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Core module: Displaying data11m 4s
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FMT module10m 31s
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Custom tag library5m 32s
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Custom tag: Use tag on JSP2m 40s
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Conclusion
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Next steps42s
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Video: Custom tag library