/*
    * Copyright 2009 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 org.kuali.rice.kew.attribute;
  
  import org.kuali.rice.kns.web.ui.Field;
  import org.w3c.dom.NamedNodeMap;
  import org.w3c.dom.Node;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * This class provides some common shared utility methods shared by the XML-based
   * attribute implementations. 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class XMLAttributeUtils {
  
  	public static void establishFieldLookup(Field field, Node lookupNode) {
  		NamedNodeMap quickfinderAttributes = lookupNode.getAttributes();
  		String businessObjectClass = quickfinderAttributes.getNamedItem("businessObjectClass").getNodeValue();
  		field.setQuickFinderClassNameImpl(businessObjectClass);
  		for (int lcIndex = 0; lcIndex < lookupNode.getChildNodes().getLength(); lcIndex++) {
  			Map<String, String> fieldConversionsMap = new HashMap<String, String>();
  			Node fieldConversionsChildNode = lookupNode.getChildNodes().item(lcIndex);
  			if ("fieldConversions".equals(fieldConversionsChildNode)) {
  				for (int fcIndex = 0; fcIndex < fieldConversionsChildNode.getChildNodes().getLength(); fcIndex++) {
  					Node fieldConversionChildNode = fieldConversionsChildNode.getChildNodes().item(fcIndex);
  					if ("fieldConversion".equals(fieldConversionChildNode)) {
  						NamedNodeMap fieldConversionAttributes = fieldConversionChildNode.getAttributes();
  						String lookupFieldName = fieldConversionAttributes.getNamedItem("lookupFieldName").getNodeValue();
  						String localFieldName = fieldConversionAttributes.getNamedItem("localFieldName").getNodeValue();
  						fieldConversionsMap.put(lookupFieldName, localFieldName);
  					}
  				}
  			}
  			field.setFieldConversions(fieldConversionsMap);
  		}
  	}
  	
  }