| /** |
| * $RCSfile$ |
| * $Revision$ |
| * $Date$ |
| * |
| * Copyright 2003 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; |
| |
| /** |
| * Filters for packets where the "from" field contains a specified value. |
| * |
| * @author Matt Tucker |
| */ |
| public class FromContainsFilter implements PacketFilter { |
| |
| private String from; |
| |
| /** |
| * Creates a "from" contains filter using the "from" field part. |
| * |
| * @param from the from field value the packet must contain. |
| */ |
| public FromContainsFilter(String from) { |
| if (from == null) { |
| throw new IllegalArgumentException("Parameter cannot be null."); |
| } |
| this.from = from.toLowerCase(); |
| } |
| |
| public boolean accept(Packet packet) { |
| if (packet.getFrom() == null) { |
| return false; |
| } |
| else { |
| return packet.getFrom().toLowerCase().indexOf(from) != -1; |
| } |
| } |
| } |