Examples of org.apache.velocity.Template.merge()

org.apache.velocity.Template.merge()
The AST node structure is merged with the context to produce the final output. Throws IOException if failure is due to a file related issue, and Exception otherwise @param context Conext with data elements accessed by template @param writer output writer for rendered template @throws ResourceNotFoundException if template not foundfrom any available source. @throws ParseErrorException if template cannot be parsed dueto syntax (or other) error. @throws Exception anything else.

              
            Template tpl = super.getTemplate ("install_step1_"+lang+".vm");
            ctx.put("allLanguages", allLanguages);
            ctx.put("allFonts", allFonts);
            StringWriter writer = new StringWriter(); 
            tpl.merge(ctx, writer);
            
            return tpl;
          } else {
            return getVelocityEngine().getTemplate("install_step2_"+lang+".vm");
          }

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          Template tpl = super.getTemplate ("install_step1_"+lang+".vm");
          ctx.put("allLanguages", allLanguages);
          ctx.put("allFonts", allFonts);
          ctx.put("allTimeZones", allTimeZones);
          StringWriter writer = new StringWriter(); 
          tpl.merge(ctx, writer);
          
          return tpl;
          
        } else {
          ctx.put("error", "This Step of the installation has already been done. continue with step 2 <A HREF='?command=step2'>continue with step 2</A>");

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      context.put("w_conf_file", _confFile);
      context.put("w_app_pid_file", _appPidFile);
      context.put("w_wrapper_pid_file", _wrapperPidFile);
      FileWriter writer = new FileWriter(_daemonScript);


      t.merge(context, writer);
      writer.flush();
      writer.close();
      File daemonScript = new File(_daemonScript);
      if (daemonScript.exists())
      {

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      context.put("name", _plistName);
      context.put("command", Arrays.asList(_execCmd.split(" ")));
      context.put("autoStart", "AUTOMATIC".equals(_config.getString("wrapper.ntservice.starttype", DEFAULT_SERVICE_START_TYPE)));
      FileWriter writer = new FileWriter(_plistFile);


      t.merge(context, writer);
      writer.flush();
      writer.close();
      _utils.osCommand("launchctl load " + _plistFile, 5000);


    }

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      context.put("name", _plistName);
      context.put("command", Arrays.asList(_execCmd.split(" ")));
      context.put("autoStart", "AUTOMATIC".equals(_config.getString("wrapper.ntservice.starttype", DEFAULT_SERVICE_START_TYPE)));
      FileWriter writer = new FileWriter(_plistFile);


      t.merge(context, writer);
      writer.flush();
      writer.close();
      _utils.osCommand("launchctl load " + _plistFile, 5000);


    }

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            FileReader templateReader = null;
            try {
                out = new PrintStream(new FileOutputStream(outputFile));


                PrintWriter writer = new PrintWriter(out);
                template.merge(context, writer);
                writer.flush();
            } finally {
                close(out);
                close(templateReader);
            }

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            VelocityContext velocityContext,
            String templateName) {


        try {
            Template template = getVelocityEngine().getTemplate(templateName);
            template.merge(velocityContext, res.getWriter());
            return true;
        } catch (Exception e) {
            log("Error rendering template: " + templateName, e);
        }

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        Template template = engine.getTemplate(templateName);
        
        try {
            
            template.merge(new VelocityContext(attributes), response.getWriter());
            
        } catch (Exception e) {
            throw new RuntimeException("error processing template : " + templateName, e);
        }
    }

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                // 渲染VM
                VelocityContext cxt = new VelocityContext();
                monitor.getData(cxt);
                Writer writer = new StringWriter();
                template.merge(cxt, writer);
                response.setStatusCode(HttpStatus.SC_OK);
                NStringEntity entity = new NStringEntity(writer.toString(), ContentType.create("text/html", "UTF-8"));
                response.setEntity(entity);
              } else {
                response.setStatusCode(HttpStatus.SC_NOT_FOUND);

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        final Template t = Velocity.getTemplate("./templates/poc.vm");


        final VelocityContext ctx = new VelocityContext();


        final Writer writer = new StringWriter();
        t.merge(ctx, writer);


        System.out.println(writer);
    }
}

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