Initial commit of volley (from frameworks/support)

Change-Id: I12ada622c3885da6994cc2ff40cd275e1d5311e2
diff --git a/src/com/android/volley/AuthFailureError.java b/src/com/android/volley/AuthFailureError.java
new file mode 100644
index 0000000..7bb2e15
--- /dev/null
+++ b/src/com/android/volley/AuthFailureError.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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 com.android.volley;
+
+import android.content.Intent;
+
+import com.android.volley.NetworkResponse;
+import com.android.volley.VolleyError;
+
+/**
+ * Error indicating that there was an authentication failure when performing a Request.
+ */
+@SuppressWarnings("serial")
+public class AuthFailureError extends VolleyError {
+    /** An intent that can be used to resolve this exception. (Brings up the password dialog.) */
+    private Intent mResolutionIntent;
+
+    public AuthFailureError() { }
+
+    public AuthFailureError(Intent intent) {
+        mResolutionIntent = intent;
+    }
+
+    public AuthFailureError(NetworkResponse response) {
+        super(response);
+    }
+
+    public AuthFailureError(String message) {
+        super(message);
+    }
+
+    public AuthFailureError(String message, Exception reason) {
+        super(message, reason);
+    }
+
+    public Intent getResolutionIntent() {
+        return mResolutionIntent;
+    }
+
+    @Override
+    public String getMessage() {
+        if (mResolutionIntent != null) {
+            return "User needs to (re)enter credentials.";
+        }
+        return super.getMessage();
+    }
+}