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https://codeberg.org/Mercury-IM/Smack
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4698805a34
Smack still uses the term 'Packet' in some places. This is just the first step towards using correct XMPP terms in Smack.
56 lines
1.8 KiB
Java
56 lines
1.8 KiB
Java
/**
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*
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* Copyright © 2014 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.smack.sm.predicates;
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import org.jivesoftware.smack.filter.PacketFilter;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jivesoftware.smack.tcp.XMPPTCPConnection;
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import org.jivesoftware.smack.util.StringUtils;
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public class OnceForThisStanza implements PacketFilter {
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private final String id;
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private final XMPPTCPConnection connection;
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public static void setup(XMPPTCPConnection connection, Stanza packet) {
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PacketFilter packetFilter = new OnceForThisStanza(connection, packet);
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connection.addRequestAckPredicate(packetFilter);
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}
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private OnceForThisStanza(XMPPTCPConnection connection, Stanza packet) {
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this.connection = connection;
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this.id = packet.getStanzaId();
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if (StringUtils.isNullOrEmpty(id)) {
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throw new IllegalArgumentException("Stanza ID must be set");
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}
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}
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@Override
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public boolean accept(Stanza packet) {
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String otherId = packet.getStanzaId();
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if (StringUtils.isNullOrEmpty(otherId)) {
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return false;
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}
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if (id.equals(otherId)) {
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connection.removeRequestAckPredicate(this);
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return true;
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}
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return false;
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}
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}
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