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Java > Open Source Codes > com > jcorporate > expresso > core > misc > EMailAuthenticator


1 /* ====================================================================
2  * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
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61  * Portions of this software are based upon other open source
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64
65 package com.jcorporate.expresso.core.misc;
66
67 import com.jcorporate.expresso.core.db.DBException;
68 import com.jcorporate.expresso.services.dbobj.Setup;
69 import org.apache.log4j.Logger;
70
71 import javax.mail.Authenticator JavaDoc;
72 import javax.mail.PasswordAuthentication JavaDoc;
73
74
75 /**
76  * EMailAuthenticator
77  * This object is used to provide the Authenticator object required by JavaMail when
78  * it connects to an e-mail server that is secured.
79  *
80  * @author Michael Nash
81  */
82 public class EMailAuthenticator
83         extends Authenticator JavaDoc {
84     private String JavaDoc dbName = null;
85     private static Logger log = Logger.getLogger(EMailAuthenticator.class);
86
87     /**
88      * Implement the required constructor
89      */
90     public EMailAuthenticator() {
91         super();
92     } /* EMailAuthenticator() */
93
94     /**
95      * Implement the required getPasswordAuthentication method
96      * by using the appropriate config values
97      *
98      * @return PasswordAuthentication The default authentication object
99      */
100     protected PasswordAuthentication JavaDoc getPasswordAuthentication() {
101         return new PasswordAuthentication JavaDoc(getUser(), getPassword());
102     } /* getPasswordAuthentication() */
103
104     /**
105      * @param newDBName
106      */
107     public void setDBName(String JavaDoc newDBName) {
108         dbName = StringUtil.notNull(newDBName);
109
110         if (dbName.equals("")) {
111             dbName = "default";
112         }
113     } /* setDBName(String) */
114
115
116     private String JavaDoc password = null;
117     private String JavaDoc user = null;
118
119     /**
120      * @return
121      */
122     private String JavaDoc getPassword() {
123         String JavaDoc myPassword = password;
124
125         if (myPassword == null) {
126             try {
127                 myPassword = Setup.getValue(dbName, "MAILPassword");
128             } catch (DBException de) {
129                 log.error("Unable to read e-mail user info:" +
130                         de.getMessage());
131             }
132         }
133         if (log.isDebugEnabled()) {
134             log.debug("EMailAuthenticator - password=" + myPassword);
135         }
136
137         return myPassword;
138     } /* getPassword() */
139
140     /**
141      * @return
142      */
143     private String JavaDoc getUser() {
144         String JavaDoc myUser = user;
145
146         if (myUser == null) {
147             try {
148                 myUser = Setup.getValue(dbName, "MAILUserName");
149             } catch (DBException de) {
150                 log.error("Unable to read e-mail user info:" +
151                         de.getMessage());
152             }
153         }
154         if (log.isDebugEnabled()) {
155             log.debug("EMailAuthenticator - user=" + myUser);
156         }
157
158         return myUser;
159     } /* getUser() */
160
161     /**
162      * @param newPassword
163      */
164     public void setPassword(String JavaDoc newPassword) {
165         password = newPassword;
166     } /* setPassword(String) */
167
168     /**
169      * @param user
170      */
171     public void setUser(String JavaDoc user) {
172         this.user = user;
173     } /* setUser(String) */
174
175 } /* EMailAuthenticator */
176
177 /* EMailAuthenticator */
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