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/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright 2003-2004 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;
}
}
}
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