/*

  * Copyright 2005-2009 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.plugin;

 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;

 import org.kuali.rice.core.config.BaseConfig;

 import org.kuali.rice.core.config.Config;

 /**

  * 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 BaseConfig {

         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.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;

         }

 }