Coverage report

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org.apache.commons.net.smtp.RelayPath
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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 org.apache.commons.net.smtp;
 17   
 
 18   
 import java.util.Enumeration;
 19   
 import java.util.Vector;
 20   
 
 21   
 /***
 22   
  * A class used to represent forward and reverse relay paths.  The
 23   
  * SMTP MAIL command requires a reverse relay path while the SMTP RCPT
 24   
  * command requires a forward relay path.  See RFC 821 for more details.
 25   
  * In general, you will not have to deal with relay paths.
 26   
  * <p>
 27   
  * <p>
 28   
  * @author Daniel F. Savarese
 29   
  * @see SMTPClient
 30   
  ***/
 31   
 
 32   
 public final class RelayPath
 33   
 {
 34   
     Vector _path;
 35   
     String _emailAddress;
 36   
 
 37   
     /***
 38   
      * Create a relay path with the specified email address as the ultimate
 39   
      * destination.
 40   
      * <p>
 41   
      * @param emailAddress The destination email address.
 42   
      ***/
 43   
     public RelayPath(String emailAddress)
 44  0 
     {
 45  0 
         _path = new Vector();
 46  0 
         _emailAddress = emailAddress;
 47  0 
     }
 48   
 
 49   
     /***
 50   
      * Add a mail relay host to the relay path.  Hosts are added left to
 51   
      * right.  For example, the following will create the path
 52   
      * <code><b> &lt @bar.com,@foo.com:foobar@foo.com &gt </b></code>
 53   
      * <pre>
 54   
      * path = new RelayPath("foobar@foo.com");
 55   
      * path.addRelay("bar.com");
 56   
      * path.addRelay("foo.com");
 57   
      * </pre>
 58   
      * <p>
 59   
      * @param hostname The host to add to the relay path.
 60   
      ***/
 61   
     public void addRelay(String hostname)
 62   
     {
 63  0 
         _path.addElement(hostname);
 64  0 
     }
 65   
 
 66   
     /***
 67   
      * Return the properly formatted string representation of the relay path.
 68   
      * <p>
 69   
      * @return The properly formatted string representation of the relay path.
 70   
      ***/
 71   
     public String toString()
 72   
     {
 73  0 
         StringBuffer buffer = new StringBuffer();
 74   
         Enumeration hosts;
 75   
 
 76  0 
         buffer.append('<');
 77   
 
 78  0 
         hosts = _path.elements();
 79   
 
 80  0 
         if (hosts.hasMoreElements())
 81   
         {
 82  0 
             buffer.append('@');
 83  0 
             buffer.append((String)hosts.nextElement());
 84   
 
 85  0 
             while (hosts.hasMoreElements())
 86   
             {
 87  0 
                 buffer.append(",@");
 88  0 
                 buffer.append((String)hosts.nextElement());
 89   
             }
 90  0 
             buffer.append(':');
 91   
         }
 92   
 
 93  0 
         buffer.append(_emailAddress);
 94  0 
         buffer.append('>');
 95   
 
 96  0 
         return buffer.toString();
 97   
     }
 98   
 
 99   
 }

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