diff --git a/smack-core/src/main/java/org/jivesoftware/smack/filter/PresenceTypeFilter.java b/smack-core/src/main/java/org/jivesoftware/smack/filter/PresenceTypeFilter.java new file mode 100644 index 000000000..1766aae39 --- /dev/null +++ b/smack-core/src/main/java/org/jivesoftware/smack/filter/PresenceTypeFilter.java @@ -0,0 +1,48 @@ +/** + * + * 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.smack.filter; + +import org.jivesoftware.smack.packet.Presence; +import org.jivesoftware.smack.packet.Presence.Type; + +/** + * A filter for Presence types. Returns true only if the stanza is an Presence packet and it matches the type provided in the + * constructor. + */ +public class PresenceTypeFilter extends FlexiblePacketTypeFilter { + + public static final PresenceTypeFilter AVAILABLE = new PresenceTypeFilter(Type.available); + public static final PresenceTypeFilter UNAVAILABLE = new PresenceTypeFilter(Type.unavailable); + public static final PresenceTypeFilter SUBSCRIBE = new PresenceTypeFilter(Type.subscribe); + public static final PresenceTypeFilter SUBSCRIBED = new PresenceTypeFilter(Type.subscribed); + public static final PresenceTypeFilter UNSUBSCRIBE = new PresenceTypeFilter(Type.unsubscribe); + public static final PresenceTypeFilter UNSUBSCRIBED = new PresenceTypeFilter(Type.unsubscribed); + public static final PresenceTypeFilter ERROR = new PresenceTypeFilter(Type.error); + public static final PresenceTypeFilter PROBE = new PresenceTypeFilter(Type.probe); + + private final Presence.Type type; + + private PresenceTypeFilter(Presence.Type type) { + super(Presence.class); + this.type = type; + } + + @Override + protected boolean acceptSpecific(Presence presence) { + return presence.getType().equals(type); + } +}