/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache 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.apache.org/licenses/LICENSE-2.0
 *
 *  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.apache.easyant4e.tests;

import static org.junit.Assert.assertNotNull;

import org.eclipse.core.internal.registry.ExtensionRegistry;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IContributor;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.RegistryFactory;
import org.eclipse.core.runtime.spi.IDynamicExtensionRegistry;
import org.junit.Test;

public class ExtensionRegistryTest {

    @Test
    public void testRemoveExtension() {
        IExtensionRegistry reg = RegistryFactory.getRegistry();     
        
        //assertNull(reg.getExtension("org.apache.ivyde.eclipse.ui.actions.ResolveAction"));
        //assertNull(reg.getExtension("org.eclipse.ui.popupMenus","org.apache.ivyde.eclipse.ui.actions.ResolveAction"));
        //assertNull(reg.getExtension("org.eclipse.ui","popupMenus","org.apache.ivyde.eclipse.ui.actions.ResolveAction"));

        IDynamicExtensionRegistry reg2 = (IDynamicExtensionRegistry)reg;
        for(IContributor contributor : reg2.getAllContributors()){          
            if("org.apache.ivyde.eclipse".equals(contributor.getName())){
                System.out.println("--> contributor "+contributor);
                reg2.removeContributor(contributor, ((ExtensionRegistry) reg2).getTemporaryUserToken());
                System.out.println("--> remove all extensions ");
            }
        }       
        
//      IExtension[] extensions = reg.getExtensions("org.apache.ivyde.eclipse");
//      assertNotNull(extensions);
//      for(IExtension extension:extensions){
//          if("org.eclipse.ui.popupMenus".equals(extension.getExtensionPointUniqueIdentifier())){
//              reg.removeExtension(extension, ((ExtensionRegistry) reg).getTemporaryUserToken());
//          }
//          System.out.println(extension.getNamespaceIdentifier() +" - "+extension.getExtensionPointUniqueIdentifier());            
//          final IConfigurationElement[] configElements = extension.getConfigurationElements();
//          for (IConfigurationElement element:configElements) {
//              System.out.println("\t--> "+element.getName()+" : "+element.getAttribute("id"));                    
//          }               
//      }
        
    
    }

//  private void removeExtension(String extensionPointId, String extensionId) {
//      IExtensionRegistry reg = RegistryFactory.getRegistry();
//      IExtension extension = reg.getExtension(extensionPointId, extensionId);
//      if (extension != null) {
//          reg.removeExtension(extension, getUserToken());
//      }
//  }
//
//  private Object getUserToken() {
//      IExtensionRegistry registry = RegistryFactory.getRegistry();
//      // return null; // require -Declipse.registry.nulltoken=true
//      return ((ExtensionRegistry) registry).getTemporaryUserToken();
//  }
}