content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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
   *
   * http://www.apache.org/licenses/LICENSE-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.alibaba.jstorm.ui.tags;
  
  import com.alibaba.jstorm.common.metric.old.window.StatBuckets;
  import com.alibaba.jstorm.ui.utils.UIDef;
  import com.alibaba.jstorm.ui.utils.UIUtils;
  import com.alibaba.jstorm.utils.JStormUtils;
  
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.JspWriter;
  import javax.servlet.jsp.tagext.SimpleTagSupport;
  import java.io.IOException;
  import java.text.DecimalFormat;
  
  /**
   * @author Jark (wuchong.wc@alibaba-inc.com)
   */
  public class PrettyTag extends SimpleTagSupport {
  
      private String input;
      private String type;
  
  
      public void setInput(String input) {
          this.input = input;
      }
  
      public void setType(String type) {
          this.type = type;
      }
  
      @Override
      public void doTag() throws JspException {
          JspWriter out = getJspContext().getOut();
          try {
              String output;
              switch (type) {
                  case "uptime":
                      int uptime = JStormUtils.parseInt(input, 0);
                      output = UIUtils.prettyUptime(uptime);
                      break;
                  case "datetime":
                      output = UIUtils.prettyDateTime(input);
                      break;
                  case "filesize":
                      long size = UIUtils.parseLong(input, 0);
                      output = UIUtils.prettyFileSize(size);
                      break;
                  case "head":
                      output = prettyHead(input);
                      break;
                  default:
                      output = "Input Error";
                      break;
              }
  
              out.write(output);
          } catch (IOException e) {
              throw new JspException("Error: " + e.getMessage());
          }
      }
  
      private String prettyHead(String head) {
          if (UIDef.HEAD_MAP.containsKey(head)) {
              return UIDef.HEAD_MAP.get(head);
          } else {
              return head;
          }
      }
  
  
  }
  