Read e-book online Mastering Apache Velocity (Java Open Source Library) PDF

Java

By Joseph D. Gradecki, Jim Cole

ISBN-10: 0471457949

ISBN-13: 9780471457947

A finished educational on the best way to use the facility of speed 1.3 to construct sites and generate content material Designed to paintings hand-in-hand with Apache Turbine, Struts, and servlets, speed is a robust template language that vastly complements the developer’s skill to customise websites. It separates Java code from the internet pages, creating a website extra maintainable. due to this, it's a conceivable substitute to JSPs and personal home page and is anticipated to develop into the traditional template engine. as well as its use with Struts and Turbine, speed is usually used to generate Java and XML resource code, XML schemas, HTML templates, and SQL code. in spite of all its promise, discovering specialist directions on easy methods to safely application with this language has been tricky. This code-intensive educational delivers the entire instruments you’ll want. It starts by way of speedy bringing you on top of things on the entire pace basics and the rate Template Language. You’ll then the way to practice speed in numerous parts with the aid of richly special code examples. also, you’ll be taken in the course of the steps of creating a whole software which will see how one can make the most of all the recommendations and applied sciences mentioned within the ebook. masking the most recent good points of speed 1.3, gaining knowledge of Apache speed exhibits you ways to: construct Java-based websites with Struts, servlets, Turbine, and different open-source instruments Generate a large choice of web pages and code, together with Java, XML, SQL, and Postgres

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Additional resources for Mastering Apache Velocity (Java Open Source Library)

Example text

Examples/appexample1 This example demonstrates using Velocity in a Java application. sh (on Unix). The result of the example should be: Velocity is great! ArrayList ArrayList ArrayList ArrayList element element element element 1 2 3 4 is is is is great! great! great! great! The condition is true! examples/appexample2 This example uses Velocity convenience utilities to output text. sh (on Unix). The result of the example should be: template : Hello from Velocity in the Jakarta project. string : We are using Jakarta Velocity to render this.

Running the Examples 35 examples/event_example This example shows how to use the event-handling features of Velocity. 8 shows the result. 8 Event example output. What’s Next In this chapter, we offered a comprehensive look at obtaining and installing the Velocity distribution. We also explained how to test the compile. In addition, we looked at the examples included with Velocity that you can use along with this book as a teaching aid. In the next chapter, we look at building our first Velocity application.

Logging—Velocity makes use of the log4J system for easy logging. 22 I n t r o d u c t i o n t o Ve l o c i t y Resource loaders—The resource loaders give you control over the templates used in the production of Web pages. Anakia—This is an example application that allows XML to be processed using Velocity instead of Extensible Stylesheet Language (XSL). Application servers—Velocity supports all major application servers and servlets like Resin, Tomcat, and BEA WebLogic. What’s Next In this chapter, we provided a quick overview of the Velocity system and explained how it is used by both the Web designer and developer.

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Mastering Apache Velocity (Java Open Source Library) by Joseph D. Gradecki, Jim Cole


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