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From "David Koontz \(MapQuest\)" <>
Subject build.xml help - making a dist
Date Tue, 05 Jun 2001 19:38:45 GMT
I'm a new user of ant - think I understand it ... somewhat, I got the
build.xml from somewhere and have made minor modifications for my project.

Several questions have come up:

1) When I build dist I get an error about "A zip file cannot include itself"
what do I have misconfigured?
    C:\Documents and Settings\dkoontz\My
    > ant dist
    Buildfile: build.xml
          [jar] Building jar:
    C:\Documents and Settings\dkoontz\My
    build.xml:159: A zip file cannot include itself
    Total time: 1 second

It appears to make the JAR & WAR files.

2) The WAR/JAR files do not have compiled class files in them - is this good
or bad?
- I think it's bad, because the compile step is compiling and putting the
class files in
the TOMCAT....webapp dir.   Is this the "best practice"?

Here's the build.xml ----
<!-- A "project" describes a set of targets that may be requested
     when Ant is executed.  The "default" attribute defines the
     target which is executed if no specific target is requested,
     and the "basedir" attribute defines the current working directory
     from which Ant executes the requested task.  This is normally
     set to the current working directory.

<project name="CopyCenter" default="compile" basedir=".">

<!-- Property Definitions

     Each of the following properties are used by convention in this
     build file.  The values specified can be overridden at run time by
     adding a "-Dname=value" argument to the command line that invokes Ant.
     This technique is normally used to copy the values of the ANT_HOME
     and TOMCAT_HOME environment variables into the "ant.home" and
     "tomcat.home" properties, which are normally not defined explicitly.          Base name of this application, used to
                       construct filenames and directories.

     deploy.home       The name of the directory into which the
                       deployment hierarchy will be created.
                       Normally, this will be the name of a
                       subdirectory under $TOMCAT_HOME/webapps.

     dist.home        The name of the base directory in which
                       distribution files are created.

     dist.src          The name of the distribution JAR file
                       containing the application source code,
                       to be stored in the "dist.home" directory.
                       This filename should end with ".jar".

     dist.war          The name of the Web ARchive (WAR) file
                       containing our deployable application.
                       This filename should end with ".war".

     javadoc.home      The name of the base directory in which
                       the JavaDoc documentation for this application
                       is generated.

     tomcat.home       The name of the base directory in which
                       Tomcat has been installed.  This value is
                       normally set automatically from the value
                       of the TOMCAT_HOME environment variable.

     In the example below, the application being developed will be deployed
     to a subdirectory named "myapp", and will therefore be accessible at:


  <property name="tomcat.home"

  <property name=""       value="CopyCenter"/>
  <property name="deploy.home"
  <property name="dist.home"      value="${deploy.home}"/>
  <property name="dist.src"       value="${}.jar"/>
  <property name="dist.war"       value="${}.war"/>
  <property name="javadoc.home"   value="${deploy.home}/javadoc"/>

<!-- The "prepare" target is used to construct the deployment home
     directory structure (if necessary), and to copy in static files
     as required.  In the example below, Ant is instructed to create
     the deployment directory, copy the contents of the "web/" source
     hierarchy, and set up the WEB-INF subdirectory appropriately.

  <target name="prepare">
    <mkdir  dir="${deploy.home}"/>
    <copy todir="${deploy.home}">
      <fileset dir="web"/>
    <mkdir  dir="${deploy.home}/WEB-INF"/>
    <copy  file="etc/web.xml" tofile="${deploy.home}/WEB-INF/web.xml"/>
    <mkdir  dir="${deploy.home}/WEB-INF/classes"/>
    <mkdir  dir="${deploy.home}/WEB-INF/lib"/>
    <copy todir="${deploy.home}/WEB-INF/lib">
      <fileset dir="lib"/>
    <mkdir  dir="${javadoc.home}"/>

<!-- The "clean" target removes the deployment home directory structure,
     so that the next time the "compile" target is requested, it will need
     to compile everything from scratch.

  <target name="clean">
    <delete dir="${deploy.home}"/>

<!-- The "compile" target is used to compile (or recompile) the Java classes
     that make up this web application.  The recommended source code
     structure makes this very easy because the <javac> task automatically
     works its way down a source code hierarchy and compiles any class that
     has not yet been compiled, or where the source file is newer than the
     class file.

     Feel free to adjust the compilation option parameters (debug,
     optimize, and deprecation) to suit your requirements.  It is also
     possible to base them on properties, so that you can adjust this
     behavior at runtime.

     The "compile" task depends on the "prepare" task, so the deployment
     home directory structure will be created if needed the first time.

  <target name="compile" depends="prepare">
    <javac srcdir="src" destdir="${deploy.home}/WEB-INF/classes"
           debug="on" optimize="off" deprecation="on"/>
    <copy   todir="${deploy.home}/WEB-INF/classes">
      <fileset dir="src" includes="**/*.properties"/>

<!-- The "javadoc" target is used to create the Javadoc API documentation
     for the Java classes in this web application.  It is assumed that
     this documentation is included in the deployed application, so the
     example below generates the Javadoc HTML files in a subdirectory under
     the deployment home directory.  Feel free to customize the options for
     the JavaDoc task, after consulting the Ant documentation.

  <target name="javadoc" depends="prepare">
    <javadoc sourcepath="src" packagenames="*"

<!-- The "all" target rebuilds everything by executing the "clean"
     target first, which forces the "compile" target to compile all
     source code instead of just the files that have been changed.

  <target name="all" depends="clean,prepare,compile,javadoc"/>

<!-- The "dist" target builds the distribution Web ARchive (WAR) file
     for this application, suitable for distribution to sites that wish
     to install your application.  It also creates a JAR file containing
     the source code for this application, if you wish to distribute
     that separately.

  <target name="dist" depends="prepare,compile">
    <jar jarfile="${dist.home}/${dist.src}"
    <jar jarfile="${dist.home}/${dist.war}"


---- end of build.xml ----

Thanks for the help or pointers!

David Koontz      
Software Engineer - Enterprise Services
Denver, CO                  303 244 0305

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