content: /*
   * Copyright 1999-2012 Alibaba Group.
   *  
   * 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
   *  
   *      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.cobar.manager.web.screen;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.beanutils.PropertyUtilsBean;
  import org.springframework.beans.factory.InitializingBean;
  import org.springframework.web.servlet.ModelAndView;
  import org.springframework.web.servlet.mvc.AbstractController;
  
  import com.alibaba.cobar.manager.dataobject.xml.ClusterDO;
  import com.alibaba.cobar.manager.dataobject.xml.CobarDO;
  import com.alibaba.cobar.manager.dataobject.xml.UserDO;
  import com.alibaba.cobar.manager.service.CobarAccesser;
  import com.alibaba.cobar.manager.service.XmlAccesser;
  import com.alibaba.cobar.manager.util.CobarStringUtil;
  import com.alibaba.cobar.manager.util.FluenceHashMap;
  
  /**
   * @author haiqing.zhuhq 2011-9-1
   */
  public class CobarDetailScreen extends AbstractController implements InitializingBean {
      private XmlAccesser xmlAccesser;
      private CobarAccesser cobarAccesser;
  
      public void setXmlAccesser(XmlAccesser xmlAccesser) {
          this.xmlAccesser = xmlAccesser;
      }
  
      public void setCobarAccesser(CobarAccesser cobarAccesser) {
          this.cobarAccesser = cobarAccesser;
      }
  
      @Override
      public void afterPropertiesSet() throws Exception {
          if (null == xmlAccesser) {
              throw new IllegalArgumentException("property 'xmlAccesser' is null!");
          }
          if (null == cobarAccesser) {
              throw new IllegalArgumentException("property 'cobarAccesser' is null!");
          }
      }
  
      @SuppressWarnings("unchecked")
      @Override
      protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response) {
          UserDO user = (UserDO) request.getSession().getAttribute("user");
          long nodeId = 0;
          try {
              nodeId = Long.parseLong(request.getParameter("nodeId").trim());
          } catch (Exception e) {
              throw new IllegalArgumentException("parameter 'nodeId' is invalid: " + request.getParameter("nodeId"));
          }
          CobarDO cobar = xmlAccesser.getCobarDAO().getCobarById(nodeId);
          if (null == cobar) {
              throw new IllegalArgumentException("no cobar exsit for id : " + nodeId);
          }
  
          PropertyUtilsBean util = new PropertyUtilsBean();
          Map<String, Object> cobarMap = null;
          try {
              cobarMap = util.describe(cobar);
          } catch (Exception e1) {
              throw new RuntimeException(e1);
          }
  
          cobarMap.remove("class");
          cobarMap.remove("name");
          cobarMap.put("name", CobarStringUtil.htmlEscapedString(cobar.getName()));
  
          ClusterDO cluster = xmlAccesser.getClusterDAO().getClusterById(cobar.getClusterId());
          Map<String, Object> clusterMap = new HashMap<String, Object>();
          clusterMap.put("id", cluster.getId());
          clusterMap.put("name", CobarStringUtil.htmlEscapedString(cluster.getName()));
  
          return new ModelAndView(
                  "v_cobarDetail",
                  new FluenceHashMap<String, Object>().putKeyValue("user", user)
                                                      .putKeyValue("cluster", clusterMap)
                                                      .putKeyValue("cobarNode", cobarMap));
      }
  }
  