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; 022 023import org.jxmpp.jid.Jid; 024 025/** 026 * Base class for XMPP address type filters. 027 * 028 * @author Florian Schmaus 029 * 030 */ 031public abstract class AbstractJidTypeFilter implements StanzaFilter { 032 033 private final JidType jidType; 034 035 protected AbstractJidTypeFilter(JidType jidType) { 036 this.jidType = Objects.requireNonNull(jidType, "jidType must not be null"); 037 } 038 039 @Override 040 public boolean accept(Stanza stanza) { 041 Jid toMatch = getJidToMatchFrom(stanza); 042 if (toMatch == null) { 043 return false; 044 } 045 return jidType.isTypeOf(toMatch); 046 } 047 048 protected abstract Jid getJidToMatchFrom(Stanza stanza); 049 050 @Override 051 public final String toString() { 052 return getClass().getSimpleName() + ": " + jidType; 053 } 054 055 public enum JidType { 056 BareJid, 057 DomainBareJid, 058 DomainFullJid, 059 DomainJid, 060 EntityBareJid, 061 EntityFullJid, 062 EntityJid, 063 FullJid, 064 ; 065 066 public boolean isTypeOf(Jid jid) { 067 if (jid == null) { 068 return false; 069 } 070 switch (this) { 071 case BareJid: 072 return jid.hasNoResource(); 073 case DomainBareJid: 074 return jid.isDomainBareJid(); 075 case DomainFullJid: 076 return jid.isDomainFullJid(); 077 case EntityBareJid: 078 return jid.isEntityBareJid(); 079 case EntityFullJid: 080 return jid.isEntityFullJid(); 081 case EntityJid: 082 return jid.isEntityJid(); 083 case FullJid: 084 return jid.hasResource(); 085 default: 086 throw new IllegalStateException(); 087 } 088 } 089 } 090}