You should read up on the JspC task:
http://ant.apache.org/manual/OptionalTasks/jspc.html
The JspC task will compile your jsp file to a java servlet (.java) file.
Then you can run <javac/> to get your class files.
You will need to download the jasper-compiler.jar and jasper-runtime.jar
files.
I currently do this in ant:
Here is what my project for compiling my jsps looks like:
<project name="PW_JSPS" default="build" basedir=".">
<target name="build">
<property name="JSP_ROOT" value="${WEB_MAIN}/src/java/jsp"/>
<property name="JSP2JAVA_DIR" value="${WEB_OUT}/jsp2java"/>
<mkdir dir="${JSP2JAVA_DIR}"/>
<echo
message="*******************************************************************
"/>
<echo message=" Building\Compiling JSP files:" />
<echo
message="*******************************************************************
"/>
<jspc
srcdir="${JSP_ROOT}"
destdir="${JSP2JAVA_DIR}"
uriroot="${JSP_ROOT}"
package="com.myproj.web.jsp"
verbose="9"
webinc="${JSP2JAVA_DIR}/generated_webxml_snippet.xml">
<include name="**/*.jsp" />
<classpath id="jsp_classpath">
<pathelement path="${env.CLASSPATH}"/>
<path refid="classpath"/>
<pathelement
location="${TOMCAT_SOURCE}common/lib/jasper-compiler.jar"/>
<pathelement
location="${TOMCAT_SOURCE}common/lib/jasper-runtime.jar"/>
</classpath>
</jspc>
<javac srcdir="${JSP2JAVA_DIR}" destdir="${WEB_OUT}"
includes="**/*.java"
listfiles="yes"
debug="${turn_on_debug}"
classpathref="jsp_classpath"
/>
</target>
</project>
-----Original Message-----
From: Andy Eastham [mailto:[EMAIL PROTECTED]
Sent: Wednesday, June 18, 2003 10:37 AM
To: Tomcat Users List
Subject: RE: Precompiling JSPs
Andoni,
I do this in Sun One Studio, where I do all my Java development.
You can compile JSPs just as you can compile java source.
Andy
> -----Original Message-----
> From: Andoni [mailto:[EMAIL PROTECTED]
> Sent: 18 June 2003 10:25
> To: Tomcat Users List
> Subject: Precompiling JSPs
>
>
> Hello,
>
> I have a build.cmd file that I have had and modified for every
> project I've done for years. I should probably go learn ANT or
> some other build technique but for now I want to do this the
> command line way. I'm not even sure if ANT will do what I want.
>
> I want to have my .jsp files made into .java files (easy) then
> compiled into .class files (hard) before starting my Tomcat.
> That way I can see any syntax errors in my .jsp files.
>
> If I do this at the moment I get a load of errors where one JSP
> which is included in another uses variables which are only
> declared in the major one.
>
> Is there a way to compile the .java files the way Tomcat does
> (which takes account of included .jsp's)?
>
> Does ANT create .class files?
>
> Thanks in advance.
>
> Andoni.
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