org.apache.jackrabbit.webdav.observation.SubscriptionDiscovery Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jackrabbit.webdav.observation;
import org.apache.jackrabbit.webdav.property.AbstractDavProperty;
import org.apache.jackrabbit.webdav.xml.DomUtil;
import org.apache.jackrabbit.webdav.xml.ElementIterator;
import org.apache.jackrabbit.webdav.xml.XmlSerializable;
import org.apache.jackrabbit.webdav.DavConstants;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import java.util.List;
import java.util.ArrayList;
/**
* SubscriptionDiscovery encapsulates the 'subscriptiondiscovery'
* property of a webdav resource.
*/
public class SubscriptionDiscovery extends AbstractDavProperty {
private final Subscription[] subscriptions;
/**
* Create a new SubscriptionDiscovery that lists the given
* subscriptions.
*
* @param subscriptions
*/
public SubscriptionDiscovery(Subscription[] subscriptions) {
super(ObservationConstants.SUBSCRIPTIONDISCOVERY, true);
if (subscriptions != null) {
this.subscriptions = subscriptions;
} else {
this.subscriptions = new Subscription[0];
}
}
/**
* Create a new SubscriptionDiscovery that contains a single
* subscription entry.
*
* @param subscription
*/
public SubscriptionDiscovery(Subscription subscription) {
super(ObservationConstants.SUBSCRIPTIONDISCOVERY, true);
if (subscription != null) {
this.subscriptions = new Subscription[]{subscription};
} else {
this.subscriptions = new Subscription[0];
}
}
/**
* Returns an array of {@link Subscription}s.
*
* @return an array of {@link Subscription}s
* @see org.apache.jackrabbit.webdav.property.DavProperty#getValue()
*/
public Subscription[] getValue() {
return subscriptions;
}
/**
* Returns the Xml representation of the subscription discovery.
*
* @return Xml representation
* @see org.apache.jackrabbit.webdav.xml.XmlSerializable#toXml(Document)
* @param document
*/
@Override
public Element toXml(Document document) {
Element elem = getName().toXml(document);
for (Subscription subscription : subscriptions) {
elem.appendChild(subscription.toXml(document));
}
return elem;
}
//-----------------------------------------------------< static Factory >---
public static SubscriptionDiscovery createFromXml(Element sDiscoveryElement) {
if (!DomUtil.matches(sDiscoveryElement, ObservationConstants.SUBSCRIPTIONDISCOVERY.getName(), ObservationConstants.SUBSCRIPTIONDISCOVERY.getNamespace())) {
throw new IllegalArgumentException("'subscriptiondiscovery' element expected.");
}
List subscriptions = new ArrayList();
ElementIterator it = DomUtil.getChildren(sDiscoveryElement, ObservationConstants.XML_SUBSCRIPTION, ObservationConstants.NAMESPACE);
while (it.hasNext()) {
final Element sb = it.nextElement();
// anonymous inner class: Subscription interface
Subscription s = new Subscription() {
/**
* @see Subscription#getSubscriptionId()
*/
public String getSubscriptionId() {
Element ltEl = DomUtil.getChildElement(sb, ObservationConstants.XML_SUBSCRIPTIONID, ObservationConstants.NAMESPACE);
if (ltEl != null) {
return DomUtil.getChildText(sb, DavConstants.XML_HREF, DavConstants.NAMESPACE);
}
return null;
}
public boolean eventsProvideNodeTypeInformation() {
String t = DomUtil.getChildText(sb, ObservationConstants.XML_EVENTSWITHTYPES, ObservationConstants.NAMESPACE);
return t == null ? false : Boolean.parseBoolean(t);
}
public boolean eventsProvideNoLocalFlag() {
String t = DomUtil.getChildText(sb, ObservationConstants.XML_EVENTSWITHLOCALFLAG, ObservationConstants.NAMESPACE);
return t == null ? false : Boolean.parseBoolean(t);
}
/**
* @see XmlSerializable#toXml(Document)
*/
public Element toXml(Document document) {
return (Element) document.importNode(sb, true);
}
};
subscriptions.add(s);
}
return new SubscriptionDiscovery(subscriptions.toArray(new Subscription[subscriptions.size()]));
}
}