Create your own custom tld in Liferay at Portal Level.

If you are here that means you already know what is a TLD(Top Level Definition).
To include a TLD in Liferay at root level or you can say a portal level tld, you can follow the steps which will help you to create one on your own.

1. Create a hook name mytld.
2. Create mytld.jsp at /docroot/web-inf/jsps/html/taglib/ui/mytld/mytld.jsp.
3. Create an ext named mytld ext.
4. Move to web.xml by /docroot/web-inf/ext-web/docroot/web-inf/web.xml in ext.
5. Put below lines in web.xml.



<?xml version="1.0"?>

<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<jsp-config>
<taglib>
<taglib-uri>http://liferay.com/tld/ui-ext</taglib-uri>
<taglib-location>/WEB-INF/tld/liferay-fc.tld</taglib-location>
</taglib>
</jsp-config>

</web-app>



6. Create a corresponding java class for ur taglib(if required) at /docroot/web-inf/ext-util-taglib/src/com/liferay/taglib/ui/MyTld.java in ext.
7. Write required code.
8. Move to /docroot/web-inf/ext-web/docroot/web-inf/tld/liferay-fc.tld.
9. Put below lines in liferay-fc.tld.


<?xml version="1.0" encoding="UTF-8"?>

<taglib>
    <tlib-version>1.0</tlib-version>
    <jsp-version>1.1</jsp-version>
    <short-name>my-tld</short-name>
    <uri>http://liferay.com/tld/my-tld</uri>
    <tag>
            <name>foodcourt-discussion</name>
            <tag-class>com.liferay.taglib.ui.FoodCourtDiscussionTag</tag-class>
            <body-content>JSP</body-content>
            <attribute>
                <name>attribute-name1</name>
                <required>true</required>
                <rtexprvalue>true</rtexprvalue>
            </attribute>
            <attribute>
                <name>attribute-name2</name>
                <required>true</required>
                <rtexprvalue>true</rtexprvalue>
            </attribute>
    </tag>
</taglib>


10. Deploy your ext.
11.Deploy your hook.
12.Restart your server.
12.Your new tld is ready to use.


Please let me know, if there is any concern about this Blog.