package org.webslinger.template.velocity;

 import java.io.StringReader;

 import java.io.Writer;

 import java.util.Map;

 import org.apache.bsf.BSFException;

 import org.apache.bsf.BSFManager;

 import org.apache.velocity.Template;

 import org.apache.velocity.VelocityContext;

 import org.apache.velocity.exception.ParseErrorException;

 import org.apache.velocity.exception.ResourceNotFoundException;

 import org.apache.velocity.runtime.parser.ParseException;

 import org.webslinger.template.TemplateManager;

 public abstract class LocalVelocityTemplate extends Template {

     protected final String[] names;

     protected final String path;

     protected final String text;

     protected LocalVelocityTemplate(String[] names, String path, String text) {

         this.names = names;

         this.path = path;

         this.text = text;

         this.name = path;

     }

     public boolean process() throws ResourceNotFoundException, ParseErrorException {

         try {

             data = rsvc.parse(new StringReader(text), path);

         } catch (ParseException e) {

             throw (ParseErrorException) new ParseErrorException(e.getMessage()).initCause(e);

         }

         initDocument();

         return true;

     }

     public void apply(BSFManager manager, Object body, Object[] args) throws BSFException {

         LocalVelocityContext context = args[1] != null ? new LocalVelocityContext(body, (Map) args[1]) : new LocalVelocityContext(body);

         for (int i = 2; i < names.length; i++) {

             context.put(names[i], args[i]);

         }

         context.put("bsf", manager);

         try {

             merge(context, (Writer) args[0]);

         } catch (Error e) {

             throw e;

         } catch (RuntimeException e) {

             throw e;

         } catch (Exception e) {

             throw (BSFException) new BSFException(e.getMessage()).initCause(e);

         }

     }

 }