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A JSP Taglib for delivering minified, combined and gzip-compressed resources (JavaScript and CSS).

To use the taglib in a JSP, you have to declare it first:

<%@ taglib uri="https://github.com/d8bitr/packtag" prefix="pack" %>

(You can still use the old uri 'http://packtag.sf.net' for backward compatibility)

Now you can easily pack JavaScript by using the following tag:

<pack:script src="/js/myJavaScriptFile.js"/>

Accordingly for Cascading Style Sheets:

<pack:style src="/css/myCascadingStyleSheet.css"/>

You can enable and disable each tag individually by setting the attribute enabled to false, e.g.:

<pack:script src="/js/myJavaScriptFile.js" enabled="false"/>

You can combine resources simply by listing them up:

<pack:script>
 <src>/js/myJavaScriptFile.js</src>
 <src>/js/mySecondJavaScriptFile.js</src>
</pack:script>

That's it.

If you want to deepen your knowledge and learn about advanced techniques, I suggest reading "pack:tag - a packed guide to website performance optimization".

1. Add the maven dependency to your project:

    <dependency>
    <groupId>de.galan.packtag</groupId>
    <artifactId>packtag-core</artifactId>
    <version>4.0.0</version>
    </dependency>
   

2. Copy the <servlet> and <servlet-mapping> from the web.xml into your /WEB-INF/web.xml

pack:tag is still supported, and still encouraged to be used if it makes sense for your project. But, no further development beyond bug fixes is expected. pack:tag is over 8 years old, and has been stable since then. Thank you to the community for your support of this project over the last years.