001 /****************************************************************
002 * Licensed to the Apache Software Foundation (ASF) under one *
003 * or more contributor license agreements. See the NOTICE file *
004 * distributed with this work for additional information *
005 * regarding copyright ownership. The ASF licenses this file *
006 * to you under the Apache License, Version 2.0 (the *
007 * "License"); you may not use this file except in compliance *
008 * with the License. You may obtain a copy of the License at *
009 * *
010 * http://www.apache.org/licenses/LICENSE-2.0 *
011 * *
012 * Unless required by applicable law or agreed to in writing, *
013 * software distributed under the License is distributed on an *
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
015 * KIND, either express or implied. See the License for the *
016 * specific language governing permissions and limitations *
017 * under the License. *
018 ****************************************************************/
019
020
021
022 package org.apache.james.protocols.smtp.core;
023
024 import org.apache.james.protocols.api.Response;
025 import org.apache.james.protocols.api.handler.LineHandler;
026 import org.apache.james.protocols.api.handler.ProtocolHandler;
027 import org.apache.james.protocols.smtp.SMTPSession;
028
029 /**
030 * DataLineFilter are used to check the Data stream while the message is
031 * being received.
032 */
033 public interface DataLineFilter extends ProtocolHandler{
034
035 /**
036 * Handle line processing
037 *
038 * @param session
039 * @param line
040 * @param next
041 */
042 Response onLine(SMTPSession session, byte[] line, LineHandler<SMTPSession> next);
043 }