diff -r 000000000000 -r 6474c204b198 mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/NTUserPrincipal.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/auth/NTUserPrincipal.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,113 @@
+/*
+ * ====================================================================
+ *
+ *  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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package ch.boye.httpclientandroidlib.auth;
+
+import java.io.Serializable;
+import java.security.Principal;
+import java.util.Locale;
+
+import ch.boye.httpclientandroidlib.annotation.Immutable;
+
+import ch.boye.httpclientandroidlib.util.LangUtils;
+
+/**
+ * Microsoft Windows specific user principal implementation.
+ *
+ * @since 4.0
+ */
+@Immutable
+public class NTUserPrincipal implements Principal, Serializable {
+
+    private static final long serialVersionUID = -6870169797924406894L;
+
+    private final String username;
+    private final String domain;
+    private final String ntname;
+
+    public NTUserPrincipal(
+            final String domain,
+            final String username) {
+        super();
+        if (username == null) {
+            throw new IllegalArgumentException("User name may not be null");
+        }
+        this.username = username;
+        if (domain != null) {
+            this.domain = domain.toUpperCase(Locale.ENGLISH);
+        } else {
+            this.domain = null;
+        }
+        if (this.domain != null && this.domain.length() > 0) {
+            StringBuilder buffer = new StringBuilder();
+            buffer.append(this.domain);
+            buffer.append('/');
+            buffer.append(this.username);
+            this.ntname = buffer.toString();
+        } else {
+            this.ntname = this.username;
+        }
+    }
+
+    public String getName() {
+        return this.ntname;
+    }
+
+    public String getDomain() {
+        return this.domain;
+    }
+
+    public String getUsername() {
+        return this.username;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = LangUtils.HASH_SEED;
+        hash = LangUtils.hashCode(hash, this.username);
+        hash = LangUtils.hashCode(hash, this.domain);
+        return hash;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o instanceof NTUserPrincipal) {
+            NTUserPrincipal that = (NTUserPrincipal) o;
+            if (LangUtils.equals(this.username, that.username)
+                    && LangUtils.equals(this.domain, that.domain)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return this.ntname;
+    }
+
+}