| /** |
| * $RCSfile$ |
| * $Revision$ |
| * $Date$ |
| * |
| * Copyright 2003-2007 Jive Software. |
| * |
| * All rights reserved. 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.Packet; |
| import org.jivesoftware.smack.util.StringUtils; |
| |
| /** |
| * Filter for packets where the "from" field exactly matches a specified JID. If the specified |
| * address is a bare JID then the filter will match any address whose bare JID matches the |
| * specified JID. But if the specified address is a full JID then the filter will only match |
| * if the sender of the packet matches the specified resource. |
| * |
| * @author Gaston Dombiak |
| */ |
| public class FromMatchesFilter implements PacketFilter { |
| |
| private String address; |
| /** |
| * Flag that indicates if the checking will be done against bare JID addresses or full JIDs. |
| */ |
| private boolean matchBareJID = false; |
| |
| /** |
| * Creates a "from" filter using the "from" field part. If the specified address is a bare JID |
| * then the filter will match any address whose bare JID matches the specified JID. But if the |
| * specified address is a full JID then the filter will only match if the sender of the packet |
| * matches the specified resource. |
| * |
| * @param address the from field value the packet must match. Could be a full or bare JID. |
| */ |
| public FromMatchesFilter(String address) { |
| if (address == null) { |
| throw new IllegalArgumentException("Parameter cannot be null."); |
| } |
| this.address = address.toLowerCase(); |
| matchBareJID = "".equals(StringUtils.parseResource(address)); |
| } |
| |
| public boolean accept(Packet packet) { |
| if (packet.getFrom() == null) { |
| return false; |
| } |
| else if (matchBareJID) { |
| // Check if the bare JID of the sender of the packet matches the specified JID |
| return packet.getFrom().toLowerCase().startsWith(address); |
| } |
| else { |
| // Check if the full JID of the sender of the packet matches the specified JID |
| return address.equals(packet.getFrom().toLowerCase()); |
| } |
| } |
| |
| public String toString() { |
| return "FromMatchesFilter: " + address; |
| } |
| } |