2017-04-22 17:50:39 +02:00
|
|
|
/**
|
|
|
|
*
|
|
|
|
* Copyright 2017 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.hints.element;
|
|
|
|
|
|
|
|
import org.jivesoftware.smack.packet.Message;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* A "no copy" hint. Messages with this hint should not be copied to addresses other than the one to which it is addressed.
|
|
|
|
*
|
|
|
|
* @see <a href="https://xmpp.org/extensions/xep-0334.html#no-copy">XEP-0344 § 4.3 No copies</a>
|
|
|
|
*/
|
|
|
|
public final class NoCopyHint extends MessageProcessingHint {
|
|
|
|
|
|
|
|
public static final NoCopyHint INSTANCE = new NoCopyHint();
|
|
|
|
|
|
|
|
public static final String ELEMENT = "no-copy";
|
|
|
|
|
|
|
|
private NoCopyHint() {
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public String getElementName() {
|
|
|
|
return ELEMENT;
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
2018-04-25 14:20:18 +02:00
|
|
|
public String toXML(String enclosingNamespace) {
|
2017-04-22 17:50:39 +02:00
|
|
|
return '<' + ELEMENT + " xmlns='" + NAMESPACE + "'/>";
|
|
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
|
|
public MessageProcessingHintType getHintType() {
|
|
|
|
return MessageProcessingHintType.no_copy;
|
|
|
|
}
|
|
|
|
|
|
|
|
public static NoCopyHint from(Message message) {
|
|
|
|
return message.getExtension(ELEMENT, NAMESPACE);
|
|
|
|
}
|
|
|
|
|
|
|
|
public static boolean hasHint(Message message) {
|
|
|
|
return from(message) != null;
|
|
|
|
}
|
|
|
|
|
|
|
|
public static void set(Message message) {
|
|
|
|
message.addExtension(INSTANCE);
|
|
|
|
}
|
|
|
|
}
|