Follow Techotopia on Twitter

On-line Guides
All Guides
eBook Store
iOS / Android
Linux for Beginners
Office Productivity
Linux Installation
Linux Security
Linux Utilities
Linux Virtualization
Linux Kernel
System/Network Admin
Programming
Scripting Languages
Development Tools
Web Development
GUI Toolkits/Desktop
Databases
Mail Systems
openSolaris
Eclipse Documentation
Techotopia.com
Virtuatopia.com

How To Guides
Virtualization
General System Admin
Linux Security
Linux Filesystems
Web Servers
Graphics & Desktop
PC Hardware
Windows
Problem Solutions
Privacy Policy

  




 

 

Eclipse JET Guide
Previous Page Home Next Page

<c:if>

Standard JET2 Control Tags

if

Process the tag contents if a test condition is satisfied.

If the 'test' XPath expression is does not result in a boolean value, then it is converted to a boolean value according the the XPath 1.0 specification. In particular, if the XPath expression results in a set of objects, then 'test' is considered to be true if and only if the set is not empty.

If the 'test' XPath expression is not well formed, then an error results.


Tag Summary
required <c:if test="value">
    content to process if tag condition is satisfied
</c:if>
full tag <c:if test="value" var="value">
    content to process if tag condition is satisfied
</c:if>

Required Attributes
test
An expression expression, that, if true, causes the tag contents to be evaluated.

Optional Attributes
var
The name of a variable that will refer to the value of the 'test' expression prior to it being converted to a boolean value'. The variable has the scope of the tag contents.

Example
<%-- process contents if 'name' attribute is equal to JET --%>
<c:if test="$var/@name = 'JET'">
    content to process if tag condition is satisfied
</c:if>


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire