From d7955ce24d294fb2014c59d11fca184471056f44 Mon Sep 17 00:00:00 2001
From: Shuyi Chen <shuyichen@google.com>
Date: Wed, 22 May 2013 14:51:55 -0700
Subject: Add android smack source.

Change-Id: I49ce97136c17173c4ae3965c694af6e7bc49897d
---
 .../common/sasl/UserPasswordCallbackHandler.java   | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 src/org/apache/qpid/management/common/sasl/UserPasswordCallbackHandler.java

(limited to 'src/org/apache/qpid/management/common/sasl/UserPasswordCallbackHandler.java')

diff --git a/src/org/apache/qpid/management/common/sasl/UserPasswordCallbackHandler.java b/src/org/apache/qpid/management/common/sasl/UserPasswordCallbackHandler.java
new file mode 100644
index 0000000..a7886cf
--- /dev/null
+++ b/src/org/apache/qpid/management/common/sasl/UserPasswordCallbackHandler.java
@@ -0,0 +1,77 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.qpid.management.common.sasl;
+
+import org.apache.harmony.javax.security.auth.callback.Callback;
+import org.apache.harmony.javax.security.auth.callback.CallbackHandler;
+import org.apache.harmony.javax.security.auth.callback.NameCallback;
+import org.apache.harmony.javax.security.auth.callback.PasswordCallback;
+import org.apache.harmony.javax.security.auth.callback.UnsupportedCallbackException;
+import java.io.IOException;
+
+public class UserPasswordCallbackHandler implements CallbackHandler
+{
+    private String user;
+    private char[] pwchars;
+    
+    public UserPasswordCallbackHandler(String user, String password)
+    {
+        this.user = user;
+        this.pwchars = password.toCharArray();
+    }
+
+    public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException
+    {
+        for (int i = 0; i < callbacks.length; i++)
+        {
+            if (callbacks[i] instanceof NameCallback)
+            {
+                NameCallback ncb = (NameCallback) callbacks[i];
+                ncb.setName(user);
+            } 
+            else if (callbacks[i] instanceof PasswordCallback)
+            {
+                PasswordCallback pcb = (PasswordCallback) callbacks[i];
+                pcb.setPassword(pwchars);
+            } 
+            else
+            {
+                throw new UnsupportedCallbackException(callbacks[i]);
+            }
+        }
+    }
+
+    private void clearPassword()
+    {
+        if (pwchars != null) 
+        {
+            for (int i = 0 ; i < pwchars.length ; i++)
+            {
+                pwchars[i] = 0;
+            }
+            pwchars = null;
+        }
+    }
+
+    protected void finalize()
+    {
+        clearPassword();
+    }
+}
-- 
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