Common Template Engine

1. Tools Dependency>>
(1) Servlet
web.xml:
<listener>
    <listener-class>org.commontemplate.tools.web.EngineInitializeListener</listener-class>
</listener>

<filter>
    <filter-name>encoding</filter-name>
    <filter-class>org.commontemplate.tools.web.EncodingFilter</filter-class>
    <init-param>
        <param-name>encoding</param-name>
        <param-value>UTF-8</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>encoding</filter-name>
    <url-pattern>*.action</url-pattern>
</filter-mapping>

<servlet>
    <servlet-name>commontemplate</servlet-name>
    <servlet-class>org.commontemplate.tools.web.servlet.TemplateServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>commontemplate</servlet-name>
    <url-pattern>*.ctl</url-pattern>
</servlet-mapping>

(2) Struts
...

CommonTemplate in MVC:

(3) WebWork
web.xml:
<listener>
    <listener-class>org.commontemplate.tools.web.EngineInitializeListener</listener-class>
</listener>

<filter>
    <filter-name>encoding</filter-name>
    <filter-class>org.commontemplate.tools.web.EncodingFilter</filter-class>
    <init-param>
        <param-name>encoding</param-name>
        <param-value>UTF-8</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>encoding</filter-name>
    <url-pattern>*.action</url-pattern>
</filter-mapping>

<servlet>
    <servlet-name>webwork</servlet-name>
    <servlet-class>com.opensymphony.webwork.dispatcher.ServletDispatcher</servlet-class>
    <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>webwork</servlet-name>
    <url-pattern>*.action</url-pattern>
</servlet-mapping>

xwork.xml:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE xwork PUBLIC
    "-//OpenSymphony Group//XWork 1.1.1//EN"
    "http://www.opensymphony.com/xwork/xwork-1.1.1.dtd">
<xwork>
    <include file="webwork-default.xml" />
    <package name="test" extends="webwork-default">
        <result-types>
            <result-type default="true" name="commontemplate" class="org.commontemplate.tools.web.webwork.TemplateResult" />
        </result-types>
        <action name="index" class="com.xxx.IndexAction" method="index">
            <result name="success" type="commontemplate">/index.ctl</result>
        </action>
    </package>
</xwork>

(4) Struts2
web.xml:
<listener>
    <listener-class>org.commontemplate.tools.web.EngineInitializeListener</listener-class>
</listener>

<filter>
    <filter-name>encoding</filter-name>
    <filter-class>org.commontemplate.tools.web.EncodingFilter</filter-class>
    <init-param>
        <param-name>encoding</param-name>
        <param-value>UTF-8</param-value>
    </init-param>
</filter>
<filter-mapping>
    <filter-name>encoding</filter-name>
    <url-pattern>*.action</url-pattern>
</filter-mapping>

<filter>
    <filter-name>struts2</filter-name>
    <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
    <filter-name>struts2</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

struts.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
    <include file="struts-default.xml" />
    <package name="test" extends="struts-default">
        <result-types>
            <result-type default="true" name="commontemplate" class="org.commontemplate.tools.web.struts2.TemplateResult" />
        </result-types>
        <action name="index" class="com.xxx.IndexAction" method="index">
            <result name="success" type="commontemplate">/index.ctl</result>
        </action>
    </package>
</struts>

(5) Spring/SpringMVC
...

(6) JSP
commontemplate.tld:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE taglib PUBLIC
    "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
    "http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">
<taglib>
    <tlib-version>1.0</tlib-version>
    <jsp-version>1.2</jsp-version>
    <short-name>ct</short-name>
    <uri>http://www.commontemplate.org/taglib/template</uri>
    <display-name>Common Template</display-name>
    <description>Common Template Library</description>

    <tag>
        <name>template</name>
        <tag-class>org.commontemplate.tools.web.jsp.TemplateTag</tag-class>
        <body-content>JSP</body-content>
        <description>Common Template In JSP</description>
    </tag>
</taglib>

test.jsp:
<%@taglib uri="http://www.commontemplate.org/taglib/template" prefix="ct" %>
<ct:template>
    JSP or/and CTL...
</ct:template>

2. Config ��>>
(1) CommonsLogging/Log4J
commontemplate-my.properties:
@extends=org/commontemplate/tools/web/commontemplate.properties
logger=org.commontemplate.standard.log.CommonsLogging()

commons-logging.properties:
logger=org.apache.commons.logging.impl.Log4JLogger

log4j.properties:
log4j.rootLogger=DEBUG,stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%-5p [%d] %C - %m\n
log4j.logger.CommonTemplate=DEBUG

(2) OSCache
commontemplate-my.properties:
@extends=org/commontemplate/tools/web/commontemplate.properties
templateCache=org.commontemplate.ext.cache.OSCache()

oscache.properties:
cache.algorithm=com.opensymphony.oscache.base.algorithm.LRUCache
cache.capacity=1000

(3) EHCache
commontemplate-my.properties:
@extends=org/commontemplate/tools/web/commontemplate.properties
templateCache=org.commontemplate.ext.cache.EHCache()

ehcache.xml:
<ehcache>
    <diskStore path="java.io.tmpdir" />
    <defaultCache
        maxElementsInMemory="10000"
        eternal="false"
        timeToIdleSeconds="120"
        timeToLiveSeconds="120"
        overflowToDisk="true"
    />
</ehcache>

(4) TagLib
commontemplate-my.properties:
directive{textarea}=org.commontemplate.standard.web.taglib.JspTagDirectiveAdapter()
directive{textarea}.tld=textarea.tld