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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.Collections;
     17 import java.util.List;
     18 
     19 /**
     20  * Represents the <b>affiliations</b> element of the reply to a request for affiliations.
     21  * It is defined in the specification in section <a href="http://xmpp.org/extensions/xep-0060.html#entity-affiliations">5.7 Retrieve Affiliations</a>.
     22  *
     23  * @author Robin Collier
     24  */
     25 public class AffiliationsExtension extends NodeExtension
     26 {
     27 	protected List<Affiliation> items = Collections.EMPTY_LIST;
     28 
     29 	public AffiliationsExtension()
     30 	{
     31 		super(PubSubElementType.AFFILIATIONS);
     32 	}
     33 
     34 	public AffiliationsExtension(List<Affiliation> affiliationList)
     35 	{
     36 		super(PubSubElementType.AFFILIATIONS);
     37 
     38 		if (affiliationList != null)
     39 			items = affiliationList;
     40 	}
     41 
     42 	/**
     43 	 * Affiliations for the specified node.
     44 	 *
     45 	 * @param nodeId
     46 	 * @param subList
     47 	 */
     48 	public AffiliationsExtension(String nodeId, List<Affiliation> affiliationList)
     49 	{
     50 		super(PubSubElementType.AFFILIATIONS, nodeId);
     51 
     52 		if (affiliationList != null)
     53 			items = affiliationList;
     54 	}
     55 
     56 	public List<Affiliation> getAffiliations()
     57 	{
     58 		return items;
     59 	}
     60 
     61 	@Override
     62 	public String toXML()
     63 	{
     64 		if ((items == null) || (items.size() == 0))
     65 		{
     66 			return super.toXML();
     67 		}
     68 		else
     69 		{
     70 			StringBuilder builder = new StringBuilder("<");
     71 			builder.append(getElementName());
     72 			if (getNode() != null)
     73 			{
     74 				builder.append(" node='");
     75 				builder.append(getNode());
     76 				builder.append("'");
     77 			}
     78 			builder.append(">");
     79 
     80 			for (Affiliation item : items)
     81 			{
     82 				builder.append(item.toXML());
     83 			}
     84 
     85 			builder.append("</");
     86 			builder.append(getElementName());
     87 			builder.append(">");
     88 			return builder.toString();
     89 		}
     90 	}
     91 }
     92