/**
    * Copyright 2005-2011 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.plugin;
  
  import org.kuali.rice.core.api.config.property.Config;
  import org.kuali.rice.core.impl.config.property.ConfigParserImplConfig;
  
  import java.io.File;
  import java.net.MalformedURLException;
  import java.net.URL;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.Properties;
  
  /**
   * Class representing a plugin's config, containing configuration
   * settings parsed from the config.
   *
   * @see Config
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class PluginConfig extends ConfigParserImplConfig {
  
  	private String resourceLoaderClassname;
  	private List listeners = new ArrayList();
  	private Properties parentProperties;
  	private Map parentObjects;
  	private Config parentConfig;
  
  	public PluginConfig(URL url, Config parentConfig) {
  		super(url.toString());
  		this.parentProperties = parentConfig.getProperties();
  		this.parentObjects = parentConfig.getObjects();
  		this.parentConfig = parentConfig;
  	}
  
  	public PluginConfig(File configFile, Config parentConfig) throws MalformedURLException {
  		this(configFile.toURI().toURL(), parentConfig);
  	}
  
  	public Properties getBaseProperties() {
  		return this.parentProperties;
  	}
  
  	public Map getBaseObjects() {
  		return this.parentObjects;
  	}
  
  	public void addListener(String listenerClass) {
  		listeners.add(listenerClass);
  	}
  
  	public List getListeners() {
  		return listeners;
  	}
  
  	public void setResourceLoaderClassname(String resourceLoaderClassname) {
  		this.resourceLoaderClassname = resourceLoaderClassname;
  	}
  
  	public String getResourceLoaderClassname() {
  		return resourceLoaderClassname;
  	}
  
      public String toString() {
          return "[PluginConfig: resourceLoaderClassname: " + getResourceLoaderClassname() + "]";
      }
      
  	 
  	@Override
  	public Object getObject(String key) {
  		Object object = super.getObject(key);
  		if (object == null && parentConfig != null) {
  			object = parentConfig.getObject(key);
  		}
  		return object;
  	}
  
  	@Override
  	public Map<String, Object> getObjects() {
  		Map<String, Object> finalObjects = new HashMap<String, Object>(super.getObjects());
  		if (parentConfig != null) {
  			Map<String, Object> parentObjects = parentConfig.getObjects();
 			for (String key : parentObjects.keySet()) {
 				if (!finalObjects.containsKey(key)) {
 					finalObjects.put(key, parentObjects.get(key));
 				}
 			}
 		}
 		
 		return finalObjects;
 	}
 }