SMACK-282: Support SASL-related error conditions

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@11616 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smack/PacketReader.java

@@ -286,7 +286,7 @@ class PacketReader {
                             // depending on the number of retries
                             final Failure failure = PacketParserUtils.parseSASLFailure(parser);
                             processPacket(failure);
-                            connection.getSASLAuthentication().authenticationFailed();
+                            connection.getSASLAuthentication().authenticationFailed(failure.getCondition());
                         }
                     }
                     else if (parser.getName().equals("challenge")) {

source/org/jivesoftware/smack/SASLAuthentication.java

@@ -80,6 +80,10 @@ public class SASLAuthentication implements UserAuthentication {
     private boolean saslFailed;
     private boolean resourceBinded;
     private boolean sessionSupported;
+    /**
+     * The SASL related error condition if there was one provided by the server.
+     */
+    private String errorCondition;
 
     static {
 
@@ -247,9 +251,15 @@ public class SASLAuthentication implements UserAuthentication {
                 if (saslFailed) {
                     // SASL authentication failed and the server may have closed the connection
                     // so throw an exception
+                    if (errorCondition != null) {
+                        throw new XMPPException("SASL authentication " +
+                                selectedMechanism + " failed: " + errorCondition);
+                    }
+                    else {
                         throw new XMPPException("SASL authentication failed using mechanism " +
                                 selectedMechanism);
                     }
+                }
 
                 if (saslNegotiated) {
                     // Bind a resource for this connection and
@@ -323,9 +333,15 @@ public class SASLAuthentication implements UserAuthentication {
                 if (saslFailed) {
                     // SASL authentication failed and the server may have closed the connection
                     // so throw an exception
+                    if (errorCondition != null) {
+                        throw new XMPPException("SASL authentication " +
+                                selectedMechanism + " failed: " + errorCondition);
+                    }
+                    else {
                         throw new XMPPException("SASL authentication failed using mechanism " +
                                 selectedMechanism);
                     }
+                }
 
                 if (saslNegotiated) {
                     // Bind a resource for this connection and
@@ -384,8 +400,13 @@ public class SASLAuthentication implements UserAuthentication {
             if (saslFailed) {
                 // SASL authentication failed and the server may have closed the connection
                 // so throw an exception
+                if (errorCondition != null) {
+                    throw new XMPPException("SASL authentication failed: " + errorCondition);
+                }
+                else {
                     throw new XMPPException("SASL authentication failed");
                 }
+            }
 
             if (saslNegotiated) {
                 // Bind a resource for this connection and
@@ -508,10 +529,23 @@ public class SASLAuthentication implements UserAuthentication {
     /**
      * Notification message saying that SASL authentication has failed. The server may have
      * closed the connection depending on the number of possible retries.
+     * 
+     * @deprecated replaced by {@see #authenticationFailed(String)}.
      */
     void authenticationFailed() {
+        authenticationFailed(null);
+    }
+
+    /**
+     * Notification message saying that SASL authentication has failed. The server may have
+     * closed the connection depending on the number of possible retries.
+     * 
+     * @param condition the error condition provided by the server.
+     */
+    void authenticationFailed(String condition) {
         synchronized (this) {
             saslFailed = true;
+            errorCondition = condition;
             // Wake up the thread that is waiting in the #authenticate method
             notify();
         }