public VelocityXmlBeansDB() 
{

}

Default Constructor

 public  void execute() throws BuildException 
{
        // Create a Velocity Context and a Velocity Template
        VelocityContext ctx = new VelocityContext();
        Template template = null;
        // Output to a file
        FileWriter writer = null;
        // XmlBeans
        SchemaTypeSystem schemaTypeSystem = null;
        try {
            // Initialize Velocity
            Velocity.init();
            log.info("Using the Velocity template, " + this.template);
            template = Velocity.getTemplate(this.template);
            // Create Schema Type System
            log.info("Using the xml schema, " + this.schema);
            schemaTypeSystem = XmlBeans.compileXsd(
                    new XmlObject[] { XmlBeans.typeLoaderForClassLoader(this.getClass().getClassLoader()).
                            parse(new File(this.schema), null, null) },
					XmlBeans.getBuiltinTypeSystem(),
                    null);
            // Place SchemaTypeSystem in the Velocity Context
            ctx.put("xsd", schemaTypeSystem);
            // Place a exported key Map in the Velocity Context
            ctx.put("exportedKeyMap", createExportedKeyMap(schemaTypeSystem));
            // Write to the file
            log.info("Using the output file, " + this.output);
            writer = new FileWriter(new File(this.output));
            template.merge(ctx, writer);
            writer.close();
        } catch (Exception e) {
            throw new BuildException(e);
        }
}

Puts the XmlBeans SchemaTypeSystem into the Velocity Context

 public static  void main(String[] args) 
{
        VelocityXmlBeansDB beans = new VelocityXmlBeansDB();
        // Verify arguments
        if (args.length <  3) {
            log
                    .error("Usage : java org.apache.xmlbeans.samples.vxsdb.VelocityXmlBeansDB TEMPLATE OUTPUT SCHEMA1 [SCHEMA2] [...]");
            System.exit(1);
        }
        beans.setTemplate(args[0]);
        beans.setOutput(args[1]);
        beans.setSchema(args[2]);
        try {
            beans.execute();
        } catch (Exception e) {
            e.printStackTrace();
        }
}

 public  void setOutput(String output) 
{
        this.output = output;
}

 public  void setSchema(String schema) 
{
        this.schema = schema;
}

 public  void setTemplate(String template) 
{
        this.template = template;
}