100 lines
2.2 KiB
Java
100 lines
2.2 KiB
Java
/**
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*
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* Copyright the original author or authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.pubsub;
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import java.util.Collections;
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import java.util.List;
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/**
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* Represents the element holding the list of subscription elements.
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*
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* @author Robin Collier
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*/
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public class SubscriptionsExtension extends NodeExtension
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{
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protected List<Subscription> items = Collections.emptyList();
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/**
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* Subscriptions to the root node.
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*
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* @param subList The list of subscriptions
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*/
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public SubscriptionsExtension(List<Subscription> subList)
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{
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super(PubSubElementType.SUBSCRIPTIONS);
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if (subList != null)
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items = subList;
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}
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/**
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* Subscriptions to the specified node.
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*
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* @param nodeId The node subscribed to
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* @param subList The list of subscriptions
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*/
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public SubscriptionsExtension(String nodeId, List<Subscription> subList)
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{
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super(PubSubElementType.SUBSCRIPTIONS, nodeId);
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if (subList != null)
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items = subList;
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}
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/**
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* Gets the list of subscriptions.
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*
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* @return List of subscriptions
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*/
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public List<Subscription> getSubscriptions()
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{
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return items;
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}
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@Override
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public CharSequence toXML()
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{
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if ((items == null) || (items.size() == 0))
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{
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return super.toXML();
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}
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else
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{
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StringBuilder builder = new StringBuilder("<");
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builder.append(getElementName());
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if (getNode() != null)
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{
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builder.append(" node='");
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builder.append(getNode());
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builder.append("'");
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}
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builder.append(">");
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for (Subscription item : items)
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{
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builder.append(item.toXML());
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}
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builder.append("</");
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builder.append(getElementName());
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builder.append(">");
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return builder.toString();
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}
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}
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}
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