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      1 /**
      2  * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
      3  * you may not use this file except in compliance with the License.
      4  * You may obtain a copy of the License at
      5  *
      6  *     http://www.apache.org/licenses/LICENSE-2.0
      7  *
      8  * Unless required by applicable law or agreed to in writing, software
      9  * distributed under the License is distributed on an "AS IS" BASIS,
     10  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     11  * See the License for the specific language governing permissions and
     12  * limitations under the License.
     13  */
     14 package org.jivesoftware.smackx.pubsub;
     15 
     16 import java.util.Arrays;
     17 import java.util.Collections;
     18 import java.util.List;
     19 
     20 import org.jivesoftware.smack.packet.PacketExtension;
     21 
     22 /**
     23  * Represents the <b>configuration</b> element of a pubsub message event which
     24  * associates a configuration form to the node which was configured.  The form
     25  * contains the current node configuration.
     26  *
     27  * @author Robin Collier
     28  */
     29 public class ConfigurationEvent extends NodeExtension implements EmbeddedPacketExtension
     30 {
     31 	private ConfigureForm form;
     32 
     33 	public ConfigurationEvent(String nodeId)
     34 	{
     35 		super(PubSubElementType.CONFIGURATION, nodeId);
     36 	}
     37 
     38 	public ConfigurationEvent(String nodeId, ConfigureForm configForm)
     39 	{
     40 		super(PubSubElementType.CONFIGURATION, nodeId);
     41 		form = configForm;
     42 	}
     43 
     44 	public ConfigureForm getConfiguration()
     45 	{
     46 		return form;
     47 	}
     48 
     49 	public List<PacketExtension> getExtensions()
     50 	{
     51 		if (getConfiguration() == null)
     52 			return Collections.EMPTY_LIST;
     53 		else
     54 			return Arrays.asList(((PacketExtension)getConfiguration().getDataFormToSend()));
     55 	}
     56 }
     57