public void merge(Context context, Writer writer, List macroLibraries) throws ResourceNotFoundException, ParseErrorException, MethodInvocationException {
      if (this.errorCondition != null) {
          throw this.errorCondition;
      } else if (this.data == null) {
          String msg = "Template.merge() failure. The document is null, most likely due to parsing error.";
          throw new RuntimeException(msg);
      } else {
          InternalContextAdapterImpl ica = new InternalContextAdapterImpl(context);
          ica.setMacroLibraries(macroLibraries);
          if (macroLibraries != null) {
              for(int i = 0; i < macroLibraries.size(); ++i) {
                  try {
                      this.rsvc.getTemplate((String)macroLibraries.get(i));
                  } catch (ResourceNotFoundException var17) {
                      this.rsvc.getLog().error("template.merge(): cannot find template " + (String)macroLibraries.get(i));
                      throw var17;
                  } catch (ParseErrorException var18) {
                      this.rsvc.getLog().error("template.merge(): syntax error in template " + (String)macroLibraries.get(i) + ".");
                      throw var18;
                  } catch (Exception var19) {
                      throw new RuntimeException("Template.merge(): parse failed in template  " + (String)macroLibraries.get(i) + ".", var19);
                  }
              }
          }

          if (this.provideScope) {
              ica.put(this.scopeName, new Scope(this, ica.get(this.scopeName)));
          }

          try {
              ica.pushCurrentTemplateName(this.name);
              ica.setCurrentResource(this);
              ((SimpleNode)this.data).render(ica, writer);      ### POC có thể được render ở đây  ###
          } catch (StopCommand var20) {
              if (!var20.isFor(this)) {
                  throw var20;
              }

              if (this.rsvc.getLog().isDebugEnabled()) {
                  this.rsvc.getLog().debug(var20.getMessage());
              }
          } catch (IOException var21) {
              throw new VelocityException("IO Error rendering template '" + this.name + "'", var21);
          } finally {
              ica.popCurrentTemplateName();
              ica.setCurrentResource((Resource)null);
              if (this.provideScope) {
                  Object obj = ica.get(this.scopeName);
                  if (obj instanceof Scope) {
                      Scope scope = (Scope)obj;
                      if (scope.getParent() != null) {
                          ica.put(this.scopeName, scope.getParent());
                      } else if (scope.getReplaced() != null) {
                          ica.put(this.scopeName, scope.getReplaced());
                      } else {
                          ica.remove(this.scopeName);
                      }
                  }
              }

          }

      }
  }