Coverage report

  %line %branch
examples.messages
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 1   
 /*
 2   
  * Copyright 2001-2005 The Apache Software Foundation
 3   
  *
 4   
  * Licensed under the Apache License, Version 2.0 (the "License");
 5   
  * you may not use this file except in compliance with the License.
 6   
  * You may obtain a copy of the License at
 7   
  *
 8   
  *     http://www.apache.org/licenses/LICENSE-2.0
 9   
  *
 10   
  * Unless required by applicable law or agreed to in writing, software
 11   
  * distributed under the License is distributed on an "AS IS" BASIS,
 12   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13   
  * See the License for the specific language governing permissions and
 14   
  * limitations under the License.
 15   
  */
 16   
 package examples;
 17   
 
 18   
 import java.io.BufferedReader;
 19   
 import java.io.IOException;
 20   
 import java.io.Reader;
 21   
 import org.apache.commons.net.pop3.POP3Client;
 22   
 import org.apache.commons.net.pop3.POP3MessageInfo;
 23   
 
 24   
 /***
 25   
  * This is an example program demonstrating how to use the POP3Client class.
 26   
  * This program connects to a POP3 server and retrieves the message
 27   
  * headers of all the messages, printing the From: and Subject: header
 28   
  * entries for each message.
 29   
  * <p>
 30   
  * Usage: messages <pop3 server hostname> <username> <password>
 31   
  * <p>
 32   
  ***/
 33  0 
 public final class messages
 34   
 {
 35   
 
 36   
     public static final void printMessageInfo(BufferedReader reader, int id)
 37   
     throws IOException
 38   
     {
 39   
         String line, lower, from, subject;
 40   
 
 41  0 
         from = "";
 42  0 
         subject = "";
 43   
 
 44  0 
         while ((line = reader.readLine()) != null)
 45   
         {
 46  0 
             lower = line.toLowerCase();
 47  0 
             if (lower.startsWith("from: "))
 48  0 
                 from = line.substring(6).trim();
 49  0 
             else if (lower.startsWith("subject: "))
 50  0 
                 subject = line.substring(9).trim();
 51   
         }
 52   
 
 53  0 
         System.out.println(Integer.toString(id) + " From: " + from +
 54   
                            "  Subject: " + subject);
 55  0 
     }
 56   
 
 57   
     public static final void main(String[] args)
 58   
     {
 59   
         int message;
 60   
         String server, username, password;
 61   
         POP3Client pop3;
 62   
         Reader reader;
 63   
         POP3MessageInfo[] messages;
 64   
 
 65  0 
         if (args.length < 3)
 66   
         {
 67  0 
             System.err.println(
 68   
                 "Usage: messages <pop3 server hostname> <username> <password>");
 69  0 
             System.exit(1);
 70   
         }
 71   
 
 72  0 
         server = args[0];
 73  0 
         username = args[1];
 74  0 
         password = args[2];
 75   
 
 76  0 
         pop3 = new POP3Client();
 77   
         // We want to timeout if a response takes longer than 60 seconds
 78  0 
         pop3.setDefaultTimeout(60000);
 79   
 
 80   
         try
 81   
         {
 82  0 
             pop3.connect(server);
 83   
         }
 84  0 
         catch (IOException e)
 85   
         {
 86  0 
             System.err.println("Could not connect to server.");
 87  0 
             e.printStackTrace();
 88  0 
             System.exit(1);
 89  0 
         }
 90   
 
 91   
         try
 92   
         {
 93  0 
             if (!pop3.login(username, password))
 94   
             {
 95  0 
                 System.err.println("Could not login to server.  Check password.");
 96  0 
                 pop3.disconnect();
 97  0 
                 System.exit(1);
 98   
             }
 99   
 
 100  0 
             messages = pop3.listMessages();
 101   
 
 102  0 
             if (messages == null)
 103   
             {
 104  0 
                 System.err.println("Could not retrieve message list.");
 105  0 
                 pop3.disconnect();
 106  0 
                 System.exit(1);
 107   
             }
 108  0 
             else if (messages.length == 0)
 109   
             {
 110  0 
                 System.out.println("No messages");
 111  0 
                 pop3.logout();
 112  0 
                 pop3.disconnect();
 113  0 
                 System.exit(1);
 114   
             }
 115   
 
 116  0 
             for (message = 0; message < messages.length; message++)
 117   
             {
 118  0 
                 reader = pop3.retrieveMessageTop(messages[message].number, 0);
 119   
 
 120  0 
                 if (reader == null)
 121   
                 {
 122  0 
                     System.err.println("Could not retrieve message header.");
 123  0 
                     pop3.disconnect();
 124  0 
                     System.exit(1);
 125   
                 }
 126   
 
 127  0 
                 printMessageInfo(new BufferedReader(reader), messages[message].number);
 128   
             }
 129   
 
 130  0 
             pop3.logout();
 131  0 
             pop3.disconnect();
 132   
         }
 133  0 
         catch (IOException e)
 134   
         {
 135  0 
             e.printStackTrace();
 136  0 
             System.exit(1);
 137  0 
         }
 138  0 
     }
 139   
 }
 140   
 

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