package com.atlassian.selenium.visualcomparison.utils;
   
   import org.apache.velocity.Template;
   import org.apache.velocity.VelocityContext;
   import org.apache.velocity.app.Velocity;
   
   import java.io.StringWriter;
   import java.util.Properties;
   
  public class ReportRenderer
  {
      private static boolean initialised = false;
  
      public static VelocityContext createContext() throws Exception
      {
          if (!initialised)
          {
              Properties p = new Properties();
              p.setProperty("resource.loader", "class");
              p.setProperty("class.resource.loader.class", "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
              Velocity.init(p);
              initialised = true;
          }
          return new VelocityContext();
      }
  
      public static String render(VelocityContext context, String templateName) throws Exception
      {
          Template template = Velocity.getTemplate(templateName);
          StringWriter sw = new StringWriter();
          template.merge(context, sw);
          return sw.toString();
      }
   }