content: package com.taobao.arthas.core.command.view;
  
  import com.sun.management.VMOption;
  import com.taobao.arthas.core.command.model.VMOptionModel;
  import com.taobao.arthas.core.shell.command.CommandProcess;
  import com.taobao.text.Decoration;
  import com.taobao.text.ui.TableElement;
  import com.taobao.text.util.RenderUtil;
  
  import java.util.List;
  
  import static com.taobao.text.ui.Element.label;
  
  /**
   * @author gongdewei 2020/4/15
   */
  public class VMOptionView extends ResultView<VMOptionModel> {
  
      @Override
      public void draw(CommandProcess process, VMOptionModel result) {
          if (result.getVmOptions() != null) {
              process.write(renderVMOptions(result.getVmOptions(), process.width()));
          } else if (result.getChangeResult() != null) {
              TableElement table = ViewRenderUtil.renderChangeResult(result.getChangeResult());
              process.write(RenderUtil.render(table, process.width()));
          }
      }
  
      private static String renderVMOptions(List<VMOption> diagnosticOptions, int width) {
          TableElement table = new TableElement(1, 1, 1, 1).leftCellPadding(1).rightCellPadding(1);
          table.row(true, label("KEY").style(Decoration.bold.bold()),
                  label("VALUE").style(Decoration.bold.bold()),
                  label("ORIGIN").style(Decoration.bold.bold()),
                  label("WRITEABLE").style(Decoration.bold.bold()));
  
          for (VMOption option : diagnosticOptions) {
              table.row(option.getName(), option.getValue(), "" + option.getOrigin(), "" + option.isWriteable());
          }
  
          return RenderUtil.render(table, width);
      }
  }
  