codegen

<?xml version="1.0"?>
<project name="Harnessing Hibernate: The Developer's Notebook"
         default="db"
         basedir=".">

   <!-- Set up properties containing important project directories -->
   <property name="source.root" value="src" />
   <property name="class.root" value="classes" />
   <property name="lib.dir" value="lib" />
   <property name="data.dir" value="data" />

   <!-- Set up the class path for compilation and execution -->
   <path id="project.class.path">
      <!-- Include our own classes, of course -->
      <pathelement location="${class.root}" />
      <!-- Include jars in the project library directory -->
      <fileset dir="${lib.dir}">
         <include name="*.jar" />
      </fileset>
   </path>

   <target name="db"
           description="Runs HSQLDB database management UI
against the database file--use when application is not running">
      <java classname="org.hsqldb.util.DatabaseManager" fork="yes">
         <classpath refid="project.class.path" />
         <arg value="-driver" />
         <arg value="org.hsqldb.jdbcDriver" />
         <arg value="-url" />
         <arg value="jdbc:hsqldb:${data.dir}/music" />
         <arg value="-user" />
         <arg value="sa" />
      </java>
   </target>

   <!-- Teach Ant how to use Hibernate's code generation tool -->
   <taskdef name="hbm2java"
            classname="net.sf.hibernate.tool.hbm2java.Hbm2JavaTask"
            classpathref="project.class.path" />

   <!-- Generate the java code for all mapping files in our source tree -->
   <target name="codegen"
           description="Generate Java source from the O/R mapping files">
      <property name="out.path" refid="project.class.path" />
      <echo message="Classpath : \n${out.path}" />
      <hbm2java output="${source.root}">
         <classpath refid="project.class.path" />
         <fileset dir="${source.root}">
            <include name="**/*.hbm.xml" />
         </fileset>
      </hbm2java>
   </target>

   <!-- Create our runtime subdirectories and copy resources into them -->
   <target name="prepare" description="Sets up build structures">
      <mkdir dir="${class.root}" />

      <!-- Copy our property files and O/R mappings for use at runtime -->
      <copy todir="${class.root}">
         <fileset dir="${source.root}">
            <include name="**/*.properties" />
            <include name="**/*.hbm.xml" />
         </fileset>
      </copy>
   </target>

   <!-- Compile the java source of the project -->
   <target name="compile"
           depends="prepare"
           description="Compiles all Java classes">
      <javac srcdir="${source.root}"
             destdir="${class.root}"
             debug="on"
             optimize="off"
             deprecation="on">
         <classpath refid="project.class.path" />
      </javac>
   </target>

   <!-- Teach Ant how to use Hibernate's schema generation tool -->
   <taskdef name="schemaexport"
            classname="net.sf.hibernate.tool.hbm2ddl.SchemaExportTask"
            classpathref="project.class.path" />

   <!-- Generate the schemas for all mapping files in our class tree -->
   <target name="schema"
           depends="compile"
           description="Generate DB schema from the O/R mapping files">

      <schemaexport properties="${class.root}/hibernate.properties"
                    quiet="no"
                    text="no"
                    drop="no">
         <fileset dir="${class.root}">
            <include name="**/*.hbm.xml" />
         </fileset>
      </schemaexport>
   </target>

</project>

   <!-- Teach Ant how to use Hibernate's code generation tool -->
   <taskdef name="hbm2java"
            classname="net.sf.hibernate.tool.hbm2java.Hbm2JavaTask"
            classpathref="project.class.path" />