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 javax.servlet.jsp.JspException;
  import javax.servlet.jsp.JspWriter;
  import javax.servlet.jsp.tagext.SimpleTagSupport;
  import java.io.IOException;
  import java.util.Map;
  import java.util.Set;
  
  /**
   * @author Jark (wuchong.wc@alibaba-inc.com)
   */
  public class SubMetricTag extends SimpleTagSupport {
  
  
      private Map<String, String> metric;
      private Set<String> parentComp;
      private String metricName;
      private boolean isHidden = true;
      private String clazz = "sub-comp";
  
      public void setMetric(Map<String, String> metric) {
          this.metric = metric;
      }
  
      public void setParentComp(Set<String> parentComp) {
          this.parentComp = parentComp;
      }
  
      public void setMetricName(String metricName) {
          this.metricName = metricName;
      }
  
      public void setIsHidden(boolean isHidden) {
          this.isHidden = isHidden;
      }
  
      public void setClazz(String clazz) {
          this.clazz = clazz;
      }
  
      @Override
      public void doTag() throws JspException {
          JspWriter out = getJspContext().getOut();
          try {
              StringBuilder sb = new StringBuilder();
              if (metric.size() > 0) {
                  if (isHidden) {
                      sb.append(String.format("<div class='%s hidden'>", clazz));
                  } else {
                      sb.append(String.format("<div class='%s'>", clazz));
                  }
                  for (String parent : parentComp) {
                      String key = metricName + "@" + parent;
                      String v = metric.get(key);
                      if (v != null) {
                          sb.append(v);
                      }
                      sb.append("<br/>");
                  }
                  sb.append("</div>");
                  out.write(sb.toString());
              }
          } catch (IOException e) {
              throw new JspException("Error: " + e.getMessage());
          }
      }
  
  
  }
  