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