/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe.beans.accessors;
  
  import org.apache.tomcat.jdbc.pool.DataSource;
  
  import psiprobe.model.DataSourceInfo;
  
  /**
   * Datasource accessor for tomcat.
   */
  public class TomcatJdbcPoolDatasourceAccessor implements DatasourceAccessor {
  
    @Override
    public DataSourceInfo getInfo(Object resource) {
      DataSourceInfo dataSourceInfo = null;
      if (canMap(resource)) {
        DataSource source = (DataSource) resource;
        dataSourceInfo = new DataSourceInfo();
        dataSourceInfo.setBusyConnections(source.getNumActive());
        dataSourceInfo.setEstablishedConnections(source.getNumIdle() + source.getNumActive());
        dataSourceInfo.setMaxConnections(source.getMaxActive());
        dataSourceInfo.setJdbcUrl(source.getUrl());
        dataSourceInfo.setUsername(source.getUsername());
        dataSourceInfo.setResettable(false);
        dataSourceInfo.setType("tomcat-jdbc");
      }
      return dataSourceInfo;
    }
  
    @Override
    public boolean reset(Object resource) {
      return false;
    }
  
    @Override
    public boolean canMap(Object resource) {
      return ("org.apache.tomcat.jdbc.pool.DataSource".equals(resource.getClass().getName())
          || "org.apache.tomcat.jdbc.pool.XADataSource".equals(resource.getClass().getName()))
          && resource instanceof DataSource;
    }
  
  }