| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.nutch.protocol.ftp; |
| |
| import java.io.BufferedReader; |
| import java.io.StringReader; |
| import java.io.IOException; |
| |
| import org.slf4j.Logger; |
| |
| import org.apache.commons.net.ProtocolCommandEvent; |
| import org.apache.commons.net.ProtocolCommandListener; |
| |
| /*** |
| * This is a support class for logging all ftp command/reply traffic. |
| * |
| * @author John Xing |
| ***/ |
| public class PrintCommandListener implements ProtocolCommandListener { |
| private Logger __logger; |
| |
| public PrintCommandListener(Logger logger) { |
| __logger = logger; |
| } |
| |
| public void protocolCommandSent(ProtocolCommandEvent event) { |
| try { |
| __logIt(event); |
| } catch (IOException e) { |
| if (__logger.isInfoEnabled()) { |
| __logger.info("PrintCommandListener.protocolCommandSent(): " + e); |
| } |
| } |
| } |
| |
| public void protocolReplyReceived(ProtocolCommandEvent event) { |
| try { |
| __logIt(event); |
| } catch (IOException e) { |
| if (__logger.isInfoEnabled()) { |
| __logger.info("PrintCommandListener.protocolReplyReceived(): " + e); |
| } |
| } |
| } |
| |
| private void __logIt(ProtocolCommandEvent event) throws IOException { |
| if (!__logger.isInfoEnabled()) { |
| return; |
| } |
| BufferedReader br = new BufferedReader(new StringReader(event.getMessage())); |
| String line; |
| while ((line = br.readLine()) != null) { |
| __logger.info("ftp> " + line); |
| } |
| } |
| } |