[Hibernate-issues] [Hibernate-JIRA] Created: (HB-304) Velocity renderer

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  A new issue has been created in JIRA.

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View the issue:

  http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?=
key=3DHB-304


Here is an overview of the issue:
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        Key: HB-304
    Summary: Velocity renderer
       Type: Improvement

     Status: Unassigned
   Priority: Minor

    Project: Hibernate2
 Components:=20
             toolset

   Assignee:=20
   Reporter: Didier Girard

    Created: Tue, 2 Sep 2003 7:06 AM
    Updated: Tue, 2 Sep 2003 7:06 AM

Description:
Here is the code of my basic Velocity renderer :

import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;

import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;

import net.sf.hibernate.tool.hbm2java.AbstractRenderer;
import net.sf.hibernate.tool.hbm2java.ClassMapping;
import net.sf.hibernate.tool.hbm2java.Field;

abstract public class AbstractHBM2JavaVelocityRenderer extends AbstractRend=
erer {
    public void render(String savedToPackage, String savedToClass, ClassMap=
ping classMapping, Map class2classmap, PrintWriter mainwriter) throws Excep=
tion {

        StringWriter strWriter =3D null;
        String template =3D getTemplate();
        strWriter =3D mergeTemplate(template, savedToPackage, savedToClass,=
 classMapping, class2classmap);
        mainwriter.print(strWriter.toString());
    }

    private Field findIdentifier(ClassMapping classMapping) {

        Field result =3D null;
        for (Iterator fields =3D classMapping.getFields().iterator(); field=
s.hasNext();) {
            Field field =3D (Field) fields.next();

            if (field.isGeneratedAsProperty() && field.isIdentifier() && (r=
esult =3D=3D null)) {
                result =3D field;
            }
        }
        return result;
    }
    public StringWriter mergeTemplate(String template, String savedToPackag=
e, String savedToClass, ClassMapping classMapping, Map class2classmap) thro=
ws Exception {

        Properties p =3D new Properties();
        p.setProperty("resource.loader", "class");
        p.setProperty("class.resource.loader.description", "Velocity Classp=
ath Resource Loader");
        p.setProperty("class.resource.loader.class", "org.apache.velocity.r=
untime.resource.loader.ClasspathResourceLoader");

        Velocity.init(p);

        VelocityContext context =3D new VelocityContext();

        context.put("savedToPackage", savedToPackage);
        context.put("savedToClass", savedToClass);
        context.put("classMapping", classMapping);
        context.put("class2classmap", class2classmap);
        Field idEntity =3D findIdentifier(classMapping);
        context.put("idEntity", idEntity);

        StringWriter strWriter =3D new StringWriter();

        Velocity.mergeTemplate(template, "ISO-8859-1", context, strWriter);
        return strWriter;
    }
   =20
    public abstract String getTemplate();
}

Here is a example of template :

package ${classMapping.getGeneratedPackageName()};

#set($entity =3D "${classMapping.Name}" )
#set($entityLowerCase =3D "${classMapping.Name.toLowerCase()}" )

/** API du service Entreprise g=C3=A9n=C3=A9r=C3=A9 pour l'entit=C3=A9 $sav=
edToClass.
 * @author hibernateGenerator
 **/

public interface $savedToClass extends Service {
=09public $entity find${entity}(${idEntity.ClassType.getFullyQualifiedName(=
)} in_${entityLowerCase}Id) throws ServiceException;
=09public void delete${entity}(${entity} in_${entityLowerCase}) throws Serv=
iceException;
=09public $entity add${entity}(${entity} in_${entityLowerCase}) throws Serv=
iceException;
=09public $entity update${entity}(${entity} in_${entityLowerCase}) throws S=
erviceException;
}


=09





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