freemarker syntax vs Java syntax

Intro

This post
will discuses the simple freemarker syntax's by relating them with
relevant Java syntax's.
To read this you need to have a basic idea
about freemarker

For more information please refer

[Freemarker
Manual]http://freemarker.sourceforge.net/docs/dgui_template_exp.html

Freemarker
Eclipse Plugin
[Update Site
]http://download.jboss.org/jbosstools/updates/stable/helios/

Declare
variables

Java
String str = “Test”;

FM
<#assign str = “Test” >

All other data types can be handled using
assign key word

<#assign isValidate =false >
<#assign totalvalue = 150.2 >

IF ELSE Statements

Ex 1.
Java


If(isValidate){
…......
}

FM
<#if isValidate >

…...
</#if>

Ex
2.

Java
if(totalvalue ==
100){
.........
}
<#if
totalvalue == 100 >
..…...
</#if>

Ex
3.
Java

if(totalvalue ==
100){

}else if(totalvalue == 50){



}else{

}

<#if
totalvalue == 100 >

….
<#elseif>

…...
<#else>

…...
</#if>

Ex
4.
Java
if(value!=null){



}
FM
<#if totalvalue ?? >

…...

</#if>

Iterations

Ex 1.

Java
//
bookList is a java.util.List instance or array

for(Book book :bookList){


…..
}

FM
<#list bookList as book>


</#list>

Ex 2.

Java

String titleList = "Mr,Mrs,Miss";

for (String title : titleList.split(",")) {

System.out.println(title);


}
FM
<#assign
titleList="Mr,Mrs,Miss">
<#list
titleList?split(",") as title>

${title}
</#list>

Ex
3.
Java
for(int
no=0;no<=20;no++){


.....
}

FM

<#list 0..20 as no>

</#list>