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1 /*
2  * The Apache Software License, Version 1.1
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4  *
5  * Copyright (c) 2000 The Apache Software Foundation. All rights
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13  * notice, this list of conditions and the following disclaimer.
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20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
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27  * 4. The names "SOAP" and "Apache Software Foundation" must
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30  * permission, please contact apache@apache.org.
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32  * 5. Products derived from this software may not be called "Apache",
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50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation and was
52  * originally based on software copyright (c) 2000, International
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56  */
57
58 package org.apache.soap.transport.smtp;
59
60 /**
61  * Various SMTP utilities.
62  *
63  * @author Sanjiva Weerawarana (sanjiva@watson.ibm.com)
64  */
65 public class SMTPUtils {
66   /**
67    * This method takes an SMTP header line like from say "To:" header and
68    * extracts the actual email address in there. If there are multiple
69    * addresses there, then the first one is returned. This method
70    * should follow the RFC822 guidelines on how an email address is
71    * encoded.
72    *
73    * @param header the header line (without the header name - i.e., just
74    * the stuff after the first ':').
75    * @return the email address in the header or null if can't figure it out
76    */
77   public static String JavaDoc getAddressFromAddressHeader (String JavaDoc header) {
78     // if there's a '<' char then read the addr upto the next '>'
79 int ltIndex = header.indexOf ('<');
80     if (ltIndex != -1) {
81       String JavaDoc rest = header.substring (ltIndex + 1);
82       int rtIndex = rest.indexOf ('>');
83       if (rtIndex != -1) {
84               return rest.substring (0, rtIndex);
85       } else {
86               return null; // malformed?
87 }
88     } else {
89       return header;
90     }
91   }
92 }
93
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