Creating java domain objects from a database with an Ant task and Hibernate tools

This is the third way we mentioned in this parent post of creating java domain objects, or data access objects, mapping files.
We need to create an Ant task within our build.xml file in order to generate our domain objects, daos or xml mapping files.
Once this is done, we have to execute ant hbm (our task name) and our files will be generated. Notice that you need to include a reference to every library we are going to use (hibernate-tools, freemarker, log libraries, …).

<?xml version="1.0" encoding="UTF-8"?>
<project name="HibernateExample">
	<!-- classpath -->
	<path id="toolslib">
		<path location="/hopcroft/.m2/repository/org/hibernate/hibernate-tools/3.2.0.ga/hibernate-tools-3.2.0.ga.jar" />
		<path location="/hopcroft/.m2/repository/org/hibernate/hibernate-core/3.3.1.GA/hibernate-core-3.3.1.GA.jar" />
		<path location="/hopcroft/.m2/repository/org/slf4j/jcl-over-slf4j/1.5.6/jcl-over-slf4j-1.5.6.jar" />
		<path location="/hopcroft/.m2/repository/org/slf4j/slf4j-log4j12/1.5.6/slf4j-log4j12-1.5.6.jar" />
		<path location="/hopcroft/.m2/repository/org/slf4j/slf4j-api/1.5.6/slf4j-api-1.5.6.jar" />
		<path location="/hopcroft/.m2/repository/log4j/log4j/1.2.14/log4j-1.2.14.jar" />
		<path location="/hopcroft/.m2/repository/dom4j/dom4j/1.6.1/dom4j-1.6.1.jar" />
		<path location="/hopcroft/.m2/repository/freemarker/freemarker/2.3.8/freemarker-2.3.8.jar" />
		<path location="/hopcroft/.m2/repository/jtidy/jtidy/4aug2000r7-dev/jtidy-4aug2000r7-dev.jar" />
	</path>


	<!-- our ant target -->
	<target name="hbm">
		<taskdef name="hibernatetool" classname="org.hibernate.tool.ant.HibernateToolTask" classpathref="toolslib" />
		<hibernatetool destdir="generated-ant">
			<!-- we use our hibernate.cfg.xml -->
			<jdbcconfiguration configurationfile="src/main/resources/hibernate.cfg.xml">
			</jdbcconfiguration>
			<classpath>
				<path location="classes-ant" />
			</classpath>
			<hbm2hbmxml/>
			<hbm2java jdk5="true" ejb3="true" />
			<hbm2dao>
		</hibernatetool>
	</target>
</project>

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