content: /*
   * Tencent is pleased to support the open source community by making Angel available.
   *
   * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in 
   * compliance with the License. You may obtain a copy of the License at
   *
   * https://opensource.org/licenses/Apache-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License
   * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
   * or implied. See the License for the specific language governing permissions and limitations under
   * the License.
   *
   */
  
  
  package com.tencent.angel.webapp.page;
  
  import org.apache.hadoop.classification.InterfaceAudience;
  import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
  
  @InterfaceAudience.LimitedPrivate({"YARN", "MapReduce"}) public class HeaderBlock
    extends HtmlBlock {
  
    @Override protected void render(Block html) {
      String loggedIn = "";
      if (request().getRemoteUser() != null) {
        loggedIn = "Logged in as: " + request().getRemoteUser();
      }
      html.div("#header.ui-widget").div("#user")._(loggedIn)._().
        // div("#logo").
        // img("/static/hadoop-st.png")._().
          h1($(TITLE))._();
    }
  }
  