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https://github.com/vanitasvitae/Smack.git
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4133eb175c
Introducing Smack's own XmlPullParser interface which tries to stay as compatible as possible to XPP3. The interface is used to either wrap StAX's XMLStreamReader if Smack is used on Java SE, and XPP3's XmlPullParser if Smack is used on on Android. Fixes SMACK-591. Also introduce JUnit 5 and non-strict javadoc projects.
75 lines
3.2 KiB
Java
75 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.provider;
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import java.io.IOException;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.parsing.SmackParsingException;
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import org.jivesoftware.smack.provider.ExtensionElementProvider;
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import org.jivesoftware.smack.provider.ProviderManager;
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import org.jivesoftware.smack.util.PacketParserUtils;
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import org.jivesoftware.smack.xml.XmlPullParser;
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import org.jivesoftware.smack.xml.XmlPullParserException;
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import org.jivesoftware.smackx.pubsub.Item;
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import org.jivesoftware.smackx.pubsub.Item.ItemNamespace;
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import org.jivesoftware.smackx.pubsub.PayloadItem;
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import org.jivesoftware.smackx.pubsub.SimplePayload;
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import org.jivesoftware.smackx.pubsub.packet.PubSubNamespace;
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/**
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* Parses an <b>item</b> element as is defined in both the {@link PubSubNamespace#basic} and
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* {@link PubSubNamespace#event} namespaces. To parse the item contents, it will use whatever
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* {@link ExtensionElementProvider} is registered in <b>smack.providers</b> for its element name and namespace. If no
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* provider is registered, it will return a {@link SimplePayload}.
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*
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* @author Robin Collier
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*/
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public class ItemProvider extends ExtensionElementProvider<Item> {
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@Override
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public Item parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
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throws XmlPullParserException, IOException, SmackParsingException {
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String id = parser.getAttributeValue(null, "id");
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String node = parser.getAttributeValue(null, "node");
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String xmlns = parser.getNamespace();
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ItemNamespace itemNamespace = ItemNamespace.fromXmlns(xmlns);
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XmlPullParser.Event tag = parser.next();
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if (tag == XmlPullParser.Event.END_ELEMENT) {
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return new Item(itemNamespace, id, node);
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}
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else {
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String payloadElemName = parser.getName();
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String payloadNS = parser.getNamespace();
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final ExtensionElementProvider<ExtensionElement> extensionProvider = ProviderManager.getExtensionProvider(payloadElemName, payloadNS);
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if (extensionProvider == null) {
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// TODO: Should we use StandardExtensionElement in this case? And probably remove SimplePayload all together.
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CharSequence payloadText = PacketParserUtils.parseElement(parser, true);
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return new PayloadItem<>(itemNamespace, id, node, new SimplePayload(payloadText.toString()));
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}
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else {
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return new PayloadItem<>(itemNamespace, id, node, extensionProvider.parse(parser));
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}
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}
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}
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}
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