RE: Pre-Compilation in Tomcat & Jasper

[Sng Wee Jim]

Hi Karthik,

A build file I modified from the sample that comes with tomcat
documentation, hope it's still working (I removed some private stuff
from the original file)

You will need to set the properties
webapp.name (eg. myWebapp) and tomcat.home (eg. d:/tomcat) in the file
build.properties and run the task "all" ("ant all").

Basically, the script will pre-compile all JSPs into the work folder of
tomcat and not the WEB-INF/classes directory. Also you don't have to
change web.xml to include the generated servlets.


<project name="Webapp Precompilation" default="all" basedir=".">
  <property name="propFile" value="build.properties" />
  <property file="${propFile}" />

<!--
  <property name="tomcat.home" value="path to tomcat" />
  -->
  <property name="webapp.path"
value="${tomcat.home}/webapps/${webapp.name}" />
 
  <property name="src.dest.dir"
value="${tomcat.home}/work/Catalina/localhost/${webapp.name}" />
  <property name="class.dest.dir"
value="${tomcat.home}/work/Catalina/localhost/${webapp.name}" />


  <target name="jspc">
    <taskdef classname="org.apache.jasper.JspC" name="jasper2" >
      <classpath id="jspc.classpath">
        <pathelement location="${java.home}/../lib/tools.jar"/>
        <fileset dir="${tomcat.home}/bin">
          <include name="*.jar"/>
        </fileset>
        <fileset dir="${tomcat.home}/server/lib">
          <include name="*.jar"/>
        </fileset>
        <fileset dir="${tomcat.home}/common/lib">
          <include name="*.jar"/>
        </fileset>
      </classpath>
    </taskdef>

    <jasper2
             validateXml="false"
             uriroot="${webapp.path}"
             webXmlFragment="${webapp.path}/WEB-INF/generated_web.xml"
             outputDir="${src.dest.dir}" />

  </target>

  <target name="compile">

    <mkdir dir="${class.dest.dir}"/>
    <mkdir dir="${webapp.path}/WEB-INF/lib"/>

    <javac destdir="${class.dest.dir}"
           optimize="off"
           debug="on" failonerror="false"
           srcdir="${src.dest.dir}"
           excludes="**/*.smap"
           memoryMaximumSize="256M" fork="true">
      <classpath>
        <pathelement location="${webapp.path}/WEB-INF/classes"/>
        <pathelement location="${class.dest.dir}"/>

        <fileset dir="${webapp.path}/WEB-INF/lib">
          <include name="*.jar"/>
        </fileset>
        <pathelement location="${tomcat.home}/common/classes"/>
        <fileset dir="${tomcat.home}/common/lib">
          <include name="*.jar"/>
        </fileset>
        <pathelement location="${tomcat.home}/shared/classes"/>
        <fileset dir="${tomcat.home}/shared/lib">
          <include name="*.jar"/>
        </fileset>
        <fileset dir="${tomcat.home}/bin">
          <include name="*.jar"/>
        </fileset>
      </classpath>
      <include name="**" />
      <exclude name="tags/**" />
    </javac>

  </target>

  <target name="print-info">
                <echo message="*** Precompiling all JSPs for webapp:
${webapp.name} ***" />
  </target>

  <target name="all" depends="print-info, jspc, compile">
  </target>

  <!--
  Removed compiled JSP source and classes.
  -->
  <target name="clean" depends="">
                <echo message="Deleting compiled JSP source from
directory ${src.dest.dir}/org/apache/jsp" />
      <delete includeEmptyDirs="true">
         <fileset dir="${src.dest.dir}/org/apache/jsp"
includes="**/*.java" />
      </delete>

                <echo message="Deleting compiled JSP class from
directory ${class.dest.dir}/org/apache/jsp" />
      <delete includeEmptyDirs="true">
         <fileset dir="${class.dest.dir}/org/apache/jsp"
includes="**/*.class" />
      </delete>
  </target>

</project>



- Jim


-----Original Message-----
From: Antony Paul [mailto:[EMAIL PROTECTED]
Sent: Monday, February 28, 2005 4:29 PM
To: Tomcat Users List; BV Karthik
Subject: Re: Pre-Compilation in Tomcat & Jasper

there is one jspc.bat in bin directory or an Ant task - JspC is
available for pre compiling jsp. Using this you can compile JSP to
Servlets and put it in WEB-INF/classes directory. It has parameter to
generate the required web.xml mappings.
Note : In Tomcat 4.1.x the task by default compiles all classes into
org.apache.jsp.

rgds
Antony Paul
On Mon, 28 Feb 2005 12:25:46 +0530, BV Karthik
<[EMAIL PROTECTED]> wrote:
> Hi,
>
> Is there anything in Tomcat which will pre-compile our JSP's?
> What jasper has to do with Tomcat?
> Pls help. Thanks in advance.
>
> Regards,
> Karthik BV
>
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> To unsubscribe, e-mail: [EMAIL PROTECTED]
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