Smack/smack-experimental/src/main/java/org/jivesoftware/smackx/json/packet/JsonPacketExtension.java

55 lines
1.5 KiB
Java

/**
*
* Copyright © 2014 Florian Schmaus
*
* 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.json.packet;
import org.jivesoftware.smack.packet.Stanza;
/**
* XMPP JSON Containers as defined in XEP-0335.
*
* @see <a href="http://xmpp.org/extensions/xep-0335.html">XEP-0335: JSON Containers</a>
*/
public class JsonPacketExtension extends AbstractJsonPacketExtension {
public static final String ELEMENT = "json";
public static final String NAMESPACE = "urn:xmpp:json:0";
public JsonPacketExtension(String json) {
super(json);
}
@Override
public String getNamespace() {
return NAMESPACE;
}
@Override
public String getElementName() {
return ELEMENT;
}
/**
* Retrieve the JSON stanza(/packet) extension from the packet.
*
* @param packet
* @return the JSON stanza(/packet) extension or null.
*/
public static JsonPacketExtension from(Stanza packet) {
return packet.getExtension(ELEMENT, NAMESPACE);
}
}