001/**
002 *
003 * Copyright 2015 Florian Schmaus.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smack.filter.jidtype;
018
019import org.jivesoftware.smack.filter.StanzaFilter;
020import org.jivesoftware.smack.packet.Stanza;
021import org.jivesoftware.smack.util.Objects;
022import org.jxmpp.jid.Jid;
023
024/**
025 * Base class for XMPP address type filters.
026 *
027 * @author Florian Schmaus
028 *
029 */
030public abstract class AbstractJidTypeFilter implements StanzaFilter {
031
032    private final JidType jidType;
033
034    protected AbstractJidTypeFilter(JidType jidType) {
035        this.jidType = Objects.requireNonNull(jidType, "jidType must not be null");
036    }
037
038    @Override
039    public boolean accept(Stanza stanza) {
040        Jid toMatch = getJidToMatchFrom(stanza);
041        if (toMatch == null) {
042            return false;
043        }
044        return jidType.isTypeOf(toMatch);
045    }
046
047    protected abstract Jid getJidToMatchFrom(Stanza stanza);
048
049    @Override
050    public final String toString() {
051        return getClass().getSimpleName() + ": " + jidType;
052    }
053
054    public enum JidType {
055        BareJid,
056        DomainBareJid,
057        DomainFullJid,
058        DomainJid,
059        EntityBareJid,
060        EntityFullJid,
061        EntityJid,
062        FullJid,
063        ;
064
065        public boolean isTypeOf(Jid jid) {
066            if (jid == null) {
067                return false;
068            }
069            switch (this) {
070            case BareJid:
071                return jid.hasNoResource();
072            case DomainBareJid:
073                return jid.isDomainBareJid();
074            case DomainFullJid:
075                return jid.isDomainFullJid();
076            case EntityBareJid:
077                return jid.isEntityBareJid();
078            case EntityFullJid:
079                return jid.isEntityFullJid();
080            case EntityJid:
081                return jid.isEntityJid();
082            case FullJid:
083                return jid.hasResource();
084            default:
085                throw new IllegalStateException();
086            }
087        }
088    }
089}