106 lines
3.2 KiB
Java
106 lines
3.2 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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import org.jivesoftware.smack.util.XmlStringBuilder;
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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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public enum SubscriptionsNamespace {
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basic(PubSubElementType.SUBSCRIPTIONS),
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owner(PubSubElementType.SUBSCRIPTIONS_OWNER),
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;
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public final PubSubElementType type;
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SubscriptionsNamespace(PubSubElementType type) {
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this.type = type;
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}
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public static SubscriptionsNamespace fromXmlns(String xmlns) {
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for (SubscriptionsNamespace subscriptionsNamespace : SubscriptionsNamespace.values()) {
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if (subscriptionsNamespace.type.getNamespace().getXmlns().equals(xmlns)) {
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return subscriptionsNamespace;
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}
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}
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throw new IllegalArgumentException("Invalid Subscription namespace: " + xmlns);
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}
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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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this(SubscriptionsNamespace.basic, null, 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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this(SubscriptionsNamespace.basic, nodeId, 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 subscriptionsNamespace the namespace used by this element
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* @param nodeId The node subscribed to
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* @param subList The list of subscriptions
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* @since 4.3
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*/
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public SubscriptionsExtension(SubscriptionsNamespace subscriptionsNamespace, String nodeId, List<Subscription> subList) {
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super(subscriptionsNamespace.type, 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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return items;
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}
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@Override
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protected void addXml(XmlStringBuilder xml) {
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if ((items == null) || (items.size() == 0)) {
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xml.closeEmptyElement();
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return;
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}
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xml.rightAngleBracket();
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xml.append(items);
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xml.closeElement(this);
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}
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}
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