/**
    * Copyright 2005-2012 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.edl.impl;
  
  import org.apache.log4j.Logger;
  import org.kuali.rice.core.api.util.xml.XmlJotter;
  import org.kuali.rice.edl.impl.bo.EDocLiteAssociation;
  import org.kuali.rice.kew.api.WorkflowRuntimeException;
  import org.w3c.dom.Document;
  import org.w3c.dom.Element;
  
  import javax.xml.transform.Templates;
  import java.util.Iterator;
  import java.util.Map;
  
  
  /**
   * Responsible for notifying components associated with a particular EDL definition.
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class EDLController {
  	
  	private static final Logger LOG = Logger.getLogger(EDLController.class);
  
  	private EDocLiteAssociation edocLiteAssociation;
  	private Templates style;
  	private Map configProcessors;
  	private Map preProcessors;
  	private Map postProcessors;
  	private Map stateComponents;
  	private EDLGlobalConfig edlGlobalConfig;
  	private Document defaultDOM;
  	private EDLContext edlContext;
  
  	public Document notifyComponents() {
  		
  		try {
  			updateDOMWithProcessors(defaultDOM, preProcessors);
  			updateDOMWithProcessors(defaultDOM, stateComponents);
  			updateDOMWithProcessors(defaultDOM, configProcessors);
  			updateDOMWithProcessors(defaultDOM, stateComponents);
  			updateDOMWithProcessors(defaultDOM, postProcessors);	
  		} catch (Exception e) {
  			throw new WorkflowRuntimeException(e);
  		}
  		
  		
  		return defaultDOM;
  	}
  	
  	private void updateDOMWithProcessors(Document dom, Map processors) throws Exception {
  		
  		for (Iterator iter = processors.entrySet().iterator(); iter.hasNext();) {
  			Map.Entry processorEntry = (Map.Entry) iter.next();
  			Element configElement = (Element)processorEntry.getKey();
  			EDLModelComponent eldModelComp = (EDLModelComponent)((Class)processorEntry.getValue()).newInstance();
  			eldModelComp.updateDOM(dom, configElement, edlContext);
  			if (LOG.isDebugEnabled()) {
  				LOG.debug("Just completed notification to component " + eldModelComp + " doc content looks like. " + XmlJotter.jotNode(dom));
  			}
  			
  		}
  	}
  
  	public Map getConfigProcessors() {
  		return configProcessors;
  	}
  	public void setConfigProcessors(Map configProcessors) {
  		this.configProcessors = configProcessors;
  	}
  	public EDLGlobalConfig getEdlGlobalConfig() {
  		return edlGlobalConfig;
  	}
  	public void setEdlGlobalConfig(EDLGlobalConfig edlConfig) {
  		this.edlGlobalConfig = edlConfig;
  	}
  	public Templates getStyle() {
  		return style;
  	}
  	public void setStyle(Templates style) {
  		this.style = style;
  	}
  	public EDocLiteAssociation getEdocLiteAssociation() {
  		return edocLiteAssociation;
  	}
 	public void setEdocLiteAssociation(EDocLiteAssociation edocLiteAssociation) {
 		this.edocLiteAssociation = edocLiteAssociation;
 	}
 	public Document getDefaultDOM() {
 		return defaultDOM;
 	}
 	public void setDefaultDOM(Document defaultDOM) {
 		this.defaultDOM = defaultDOM;
 	}
 	public EDLContext getEdlContext() {
 		return edlContext;
 	}
 	public void setEdlContext(EDLContext edlContext) {
 		this.edlContext = edlContext;
 	}
 
 	public Map getPostProcessors() {
 		return postProcessors;
 	}
 
 	public void setPostProcessors(Map postProcessors) {
 		this.postProcessors = postProcessors;
 	}
 
 	public Map getPreProcessors() {
 		return preProcessors;
 	}
 
 	public void setPreProcessors(Map preProcessors) {
 		this.preProcessors = preProcessors;
 	}
 
 	public Map getStateComponents() {
 		return stateComponents;
 	}
 
 	public void setStateComponents(Map stateComponents) {
 		this.stateComponents = stateComponents;
 	}
 }