package org.jtheque.primary.utils.web.analyzers.generic.value;

 import org.jdom.Element;

 import org.jtheque.core.utils.file.XMLException;

 import org.jtheque.core.utils.file.XMLReader;

 import org.jtheque.primary.utils.web.analyzers.generic.Factory;

 import org.jtheque.primary.utils.web.analyzers.generic.condition.Condition;

 import org.jtheque.primary.utils.web.analyzers.generic.condition.ConditionFactory;

 /*

  * This file is part of JTheque.

  *            

  * JTheque is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, either version 3 of the License. 

  *

  * JTheque is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with JTheque.  If not, see <http://www.gnu.org/licenses/>.

  */

 /**

  * @author Baptiste Wicht

  */

 public abstract class AbstractValueGetterFactory implements Factory<ValueGetter> {

     /**

      * Return the condition contained in a specific location of a specific node.

      *

      * @param currentNode The node to search in.

      * @param location    The location to search in.

      * @param reader      The XML Reader

      * @return The Condition or null if we doesn't found one.

      * @throws XMLException If an errors occurs during the parse of the XML Elements.

      */

     static Condition getCondition(Object currentNode, String location, XMLReader reader) throws XMLException {

         Object conditionNode = reader.getNode(location, currentNode);

         if (conditionNode != null) {

             Element node = reader.getNode("*", conditionNode);

             if (node != null) {

                 return ConditionFactory.getCondition(node, reader);

             }

         }

         return null;

     }

 }