mirror of
https://github.com/vanitasvitae/Smack.git
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58402c5615
to only allow bare JIDs as roster entires.
112 lines
3.8 KiB
Java
112 lines
3.8 KiB
Java
/**
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*
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* Copyright 2003-2014 Jive Software.
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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.filter;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jxmpp.jid.Jid;
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/**
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* Filter for packets where the "from" field exactly matches a specified JID. If the specified
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* address is a bare JID then the filter will match any address whose bare JID matches the
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* specified JID. But if the specified address is a full JID then the filter will only match
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* if the sender of the stanza(/packet) matches the specified resource.
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*
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* @author Gaston Dombiak
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*/
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public class FromMatchesFilter implements StanzaFilter {
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private final Jid address;
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/**
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* Flag that indicates if the checking will be done against bare JID addresses or full JIDs.
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*/
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private final boolean ignoreResourcepart;
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/**
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* Creates a filter matching on the "from" field. The from address must be the same as the
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* filter address. The second parameter specifies whether the full or the bare addresses are
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* compared.
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*
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* @param address The address to filter for. If <code>null</code> is given, the stanza(/packet) must not
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* have a from address.
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* @param ignoreResourcepart
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*/
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public FromMatchesFilter(Jid address, boolean ignoreResourcepart) {
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if (address != null && ignoreResourcepart) {
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this.address = address.asBareJid();
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}
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else {
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this.address = address;
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}
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this.ignoreResourcepart = ignoreResourcepart;
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}
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/**
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* Creates a filter matching on the "from" field. If the filter address is bare, compares
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* the filter address with the bare from address. Otherwise, compares the filter address
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* with the full from address.
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*
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* @param address The address to filter for. If <code>null</code> is given, the stanza(/packet) must not
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* have a from address.
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*/
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public static FromMatchesFilter create(Jid address) {
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return new FromMatchesFilter(address, address.hasNoResource()) ;
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}
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/**
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* Creates a filter matching on the "from" field. Compares the bare version of from and filter
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* address.
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*
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* @param address The address to filter for. If <code>null</code> is given, the stanza(/packet) must not
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* have a from address.
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*/
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public static FromMatchesFilter createBare(Jid address) {
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address = (address == null) ? null : address;
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return new FromMatchesFilter(address, true);
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}
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/**
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* Creates a filter matching on the "from" field. Compares the full version of from and filter
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* address.
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*
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* @param address The address to filter for. If <code>null</code> is given, the stanza(/packet) must not
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* have a from address.
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*/
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public static FromMatchesFilter createFull(Jid address) {
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return new FromMatchesFilter(address, false);
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}
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public boolean accept(Stanza packet) {
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Jid from = packet.getFrom();
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if (from == null) {
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return address == null;
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}
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if (ignoreResourcepart) {
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from = from.asBareJid();
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}
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return from.equals(address);
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}
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public String toString() {
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String matchMode = ignoreResourcepart ? "ignoreResourcepart" : "full";
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return getClass().getSimpleName() + " (" + matchMode + "): " + address;
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}
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}
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