Initial version. SMACK-24

git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@2724 b35dd754-fafc-0310-a699-88a17e54d16e

source/org/jivesoftware/smack/sasl/SASLPlainMechanism.java

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+/**
+ * $RCSfile$
+ * $Revision: $
+ * $Date: $
+ *
+ * Copyright 2003-2004 Jive Software.
+ *
+ * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jivesoftware.smack.sasl;
+
+import org.jivesoftware.smack.SASLAuthentication;
+
+/**
+ * Implementation of the SASL PLAIN mechanisn as defined by the
+ * <a href="http://www.ietf.org/internet-drafts/draft-ietf-sasl-plain-08.txt">IETF draft
+ * document</a>.
+ *
+ * @author Gaston Dombiak
+ */
+public class SASLPlainMechanism extends SASLMechanism {
+
+    public SASLPlainMechanism(SASLAuthentication saslAuthentication) {
+        super(saslAuthentication);
+    }
+
+    protected String getName() {
+        return "PLAIN";
+    }
+
+    protected String getAuthenticationText(String username, String host, String password) {
+        // Build the text containing the "authorization identity" + NUL char +
+        // "authentication identity" + NUL char + "clear-text password"
+        StringBuffer text = new StringBuffer();
+        text.append(username).append("@").append(host);
+        text.append('\0');
+        text.append(username);
+        text.append('\0');
+        text.append(password);
+        return text.toString();
+    }
+
+    protected String getChallengeResponse(byte[] bytes) {
+        // Return null since this mechanism will never get a challenge from the server
+        return null;
+    }
+}