package org.opentrafficsim.road.network.factory.xml.old;
   
   import java.io.Serializable;
   
   import org.opentrafficsim.core.network.Link;
   import org.opentrafficsim.core.network.NetworkException;
   import org.w3c.dom.NamedNodeMap;
   import org.w3c.dom.Node;
   import org.w3c.dom.NodeList;
  import org.xml.sax.SAXException;
  
  /**
   * Connector.
   * <p>
   * Copyright (c) 2013-2019 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/node/13">OpenTrafficSim License</a>.
   * <p>
   * @version $Revision$, $LastChangedDate$, by $Author$, initial version 16 aug. 2018 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
   * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
   */
  public class ConnectorTag implements Serializable
  {
  
      /** */
      private static final long serialVersionUID = 20180816L;
  
      /** Name. */
      String name = null;
  
      /** From node tag. */
      NodeTag nodeStartTag = null;
  
      /** To node tag. */
      NodeTag nodeEndTag = null;
  
      /** Demand weight. */
      Double demandWeight = null;
  
      /** Resulting connector link. */
      Link connector;
  
      /**
       * Parse the CONNECTOR tags.
       * @param nodeList NodeList; nodeList the top-level nodes of the XML-file
       * @param parser XmlNetworkLaneParserOld; the parser with the lists of information
       * @throws SAXException when parsing of the tag fails
       * @throws NetworkException when parsing of the tag fails
       */
      @SuppressWarnings("checkstyle:needbraces")
      static void parseConnectors(final NodeList nodeList, final XmlNetworkLaneParserOld parser)
              throws SAXException, NetworkException
      {
          for (Node node : XMLParser.getNodes(nodeList, "CONNECTOR"))
          {
              NamedNodeMap attributes = node.getAttributes();
              ConnectorTag connectorTag = new ConnectorTag();
  
              if (attributes.getNamedItem("NAME") == null)
                  throw new SAXException("CONNECTOR: missing attribute NAME");
              connectorTag.name = attributes.getNamedItem("NAME").getNodeValue().trim();
              if (parser.connectorTags.keySet().contains(connectorTag.name)
                      || parser.linkTags.keySet().contains(connectorTag.name))
                  throw new SAXException("CONNECTOR: NAME " + connectorTag.name + " defined twice");
  
              if (attributes.getNamedItem("NODESTART") == null)
                  throw new SAXException("CONNECTOR: missing attribute NODESTART for connector " + connectorTag.name);
              String fromNodeStr = attributes.getNamedItem("NODESTART").getNodeValue().trim();
              connectorTag.nodeStartTag = parser.nodeTags.get(fromNodeStr);
              if (connectorTag.nodeStartTag == null)
                  throw new SAXException(
                          "CONNECTOR: NODESTART node " + fromNodeStr + " for link " + connectorTag.name + " not defined");
  
              if (attributes.getNamedItem("NODEEND") == null)
                  throw new SAXException("CONNECTOR: missing attribute NODEEND for link " + connectorTag.name);
              String toNodeStr = attributes.getNamedItem("NODEEND").getNodeValue().trim();
              connectorTag.nodeEndTag = parser.nodeTags.get(toNodeStr);
              if (connectorTag.nodeEndTag == null)
                  throw new SAXException(
                          "CONNECTOR: NODEEND node " + toNodeStr + " for connector " + connectorTag.name + " not defined");
  
              if (attributes.getNamedItem("DEMANDWEIGHT") != null)
                  connectorTag.demandWeight = Double.valueOf(attributes.getNamedItem("DEMANDWEIGHT").getNodeValue());
  
              parser.connectorTags.put(connectorTag.name, connectorTag);
          }
      }
  
  }