org.jivesoftware.smackx.pubsub.AffiliationsExtension Maven / Gradle / Ivy

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/**
 *
 * Copyright the original author or authors
 *
 * Licensed 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.jivesoftware.smackx.pubsub;

import java.util.Collections;
import java.util.List;

import org.jivesoftware.smack.util.XmlStringBuilder;

/**
 * Represents the affiliations element of the reply to a request for affiliations.
 * It is defined in the specification in section 5.7 Retrieve Affiliations and
 * 8.9 Manage Affiliations.
 * 
 * @author Robin Collier
 */
public class AffiliationsExtension extends NodeExtension
{
	protected List items = Collections.emptyList();
	private final String node;

    public AffiliationsExtension() {
        this(null, null);
    }

    public AffiliationsExtension(List subList) {
        this(subList, null);
    }

    public AffiliationsExtension(List subList, String node) {
        super(PubSubElementType.AFFILIATIONS);
        items = subList;
        this.node = node;
    }

	public List getAffiliations()
	{
		return items;
	}

	@Override
	public CharSequence toXML()
	{
		if ((items == null) || (items.size() == 0))
		{
			return super.toXML();
		}
		else
		{
            // Can't use XmlStringBuilder(this), because we don't want the namespace to be included
            XmlStringBuilder xml = new XmlStringBuilder();
            xml.openElement(getElementName());
            xml.optAttribute("node", node);
            xml.rightAngleBracket();
            xml.append(items);
            xml.closeElement(this);
            return xml;
		}
	}
}