1 /************************************************************************ 2 * Copyright (c) 2000-2006 The Apache Software Foundation. * 3 * All rights reserved. * 4 * ------------------------------------------------------------------- * 5 * Licensed under the Apache License, Version 2.0 (the "License"); you * 6 * may not use this file except in compliance with the License. You * 7 * may obtain a copy of the License at: * 8 * * 9 * http://www.apache.org/licenses/LICENSE-2.0 * 10 * * 11 * Unless required by applicable law or agreed to in writing, software * 12 * distributed under the License is distributed on an "AS IS" BASIS, * 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * 14 * implied. See the License for the specific language governing * 15 * permissions and limitations under the License. * 16 ***********************************************************************/ 17 18 package org.apache.james.transport.matchers; 19 20 import org.apache.mailet.GenericMatcher; 21 import org.apache.mailet.Mail; 22 23 import java.util.Collection; 24 25 /*** 26 * @version 1.0.0, 04/12/2000 27 */ 28 public class IsSingleRecipient extends GenericMatcher { 29 30 public Collection match(Mail mail) { 31 if (mail.getRecipients().size() == 1) { 32 return mail.getRecipients(); 33 } else { 34 return null; 35 } 36 } 37 }