2005-08-10 06:49:54 +02:00
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/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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2007-02-12 01:59:05 +01:00
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* Copyright 2003-2007 Jive Software.
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2005-08-10 06:49:54 +02:00
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*
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* All rights reserved. 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.Packet;
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import org.jivesoftware.smack.util.StringUtils;
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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 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 PacketFilter {
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private String 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 boolean matchBareJID = false;
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/**
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* Creates a "from" filter using the "from" field part. If the specified address is a bare JID
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* then the filter will match any address whose bare JID matches the specified JID. But if the
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* specified address is a full JID then the filter will only match if the sender of the packet
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* matches the specified resource.
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*
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* @param address the from field value the packet must match. Could be a full or bare JID.
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*/
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public FromMatchesFilter(String address) {
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if (address == null) {
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throw new IllegalArgumentException("Parameter cannot be null.");
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}
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this.address = address.toLowerCase();
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matchBareJID = "".equals(StringUtils.parseResource(address));
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}
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public boolean accept(Packet packet) {
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if (packet.getFrom() == null) {
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return false;
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}
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else if (matchBareJID) {
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// Check if the bare JID of the sender of the packet matches the specified JID
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return packet.getFrom().toLowerCase().startsWith(address);
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}
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else {
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// Check if the full JID of the sender of the packet matches the specified JID
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return address.equals(packet.getFrom().toLowerCase());
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}
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}
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2006-07-07 17:05:00 +02:00
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public String toString() {
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return "FromMatchesFilter: " + address;
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}
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2005-08-10 06:49:54 +02:00
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}
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