1 /**************************************************************** 2 * Licensed to the Apache Software Foundation (ASF) under one * 3 * or more contributor license agreements. See the NOTICE file * 4 * distributed with this work for additional information * 5 * regarding copyright ownership. The ASF licenses this file * 6 * to you under the Apache License, Version 2.0 (the * 7 * "License"); you may not use this file except in compliance * 8 * with the License. You may obtain a copy of the License at * 9 * * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, * 13 * software distributed under the License is distributed on an * 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 15 * KIND, either express or implied. See the License for the * 16 * specific language governing permissions and limitations * 17 * under the License. * 18 ****************************************************************/ 19 20 21 22 package org.apache.james.transport.matchers; 23 24 import org.apache.mailet.base.GenericMatcher; 25 import org.apache.mailet.Mail; 26 27 import javax.mail.internet.MimeMessage; 28 import java.util.Collection; 29 30 /** 31 * Matches mail with a header set by Fetchpop X-fetched-from <br> 32 * fetchpop sets X-fetched-by to the "name" of the fetchpop fetch task.<br> 33 * This is used to match all mail fetched from a specific pop account. 34 * Once the condition is met the header is stripped from the message to prevent looping if the mail is re-inserted into the spool. 35 * 36 * $Id: FetchedFrom.java 713949 2008-11-14 07:40:21Z rdonkin $ 37 */ 38 39 public class FetchedFrom extends GenericMatcher { 40 41 /** 42 * @see org.apache.mailet.GenericMatcher#match(Mail) 43 */ 44 public Collection match(Mail mail) throws javax.mail.MessagingException { 45 MimeMessage message = mail.getMessage(); 46 String fetch = message.getHeader("X-fetched-from", null); 47 if (fetch != null && fetch.equals(getCondition())) { 48 mail.getMessage().removeHeader("X-fetched-from"); 49 return mail.getRecipients(); 50 } 51 return null; 52 } 53 }