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   package org.miloss.fgsms.tomcat.jdbcp;
   
   import java.util.Hashtable;
   
  import javax.naming.Context;
  import javax.naming.Name;
  import org.apache.tomcat.dbcp.dbcp.BasicDataSource;
  
  import org.miloss.fgsms.common.AES;
  
  /**
   * Automagically decrypts passwords for JDBC connections
   * @author alex.oree
   */
  public class EncryptedConnectionFactory extends org.apache.tomcat.dbcp.dbcp.BasicDataSourceFactory {
  
      @Override
      public Object getObjectInstance(Object obj, Name name, Context nameCtx, Hashtable environment) throws Exception {
          Object o = super.getObjectInstance(obj, name, nameCtx, environment);
          if (o != null) {
              BasicDataSource ds = (BasicDataSource) o;
              if (ds.getPassword() != null && ds.getPassword().length() > 0) {
                  ds.setPassword(AES.DE(ds.getPassword()));
              }
              return ds;
          } else {
              return null;
          }
      }
  }