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