1 files changed, 38 insertions, 0 deletions
diff --git a/smcc/src/main/java/at/gv/egiz/smcc/utils/SingletonPINProvider.java b/smcc/src/main/java/at/gv/egiz/smcc/utils/SingletonPINProvider.java
new file mode 100644
index 00000000..e5030da2
--- /dev/null
+++ b/smcc/src/main/java/at/gv/egiz/smcc/utils/SingletonPINProvider.java
@@ -0,0 +1,38 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* 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 at.gv.egiz.smcc.utils;
+
+import at.gv.egiz.smcc.PINProvider;
+import at.gv.egiz.smcc.PINSpec;
+
+public class SingletonPINProvider implements PINProvider {
+
+  private String pin;
+  private boolean pin_already_provided = false;
+
+  public SingletonPINProvider(String pin) {
+    this.pin = pin;
+  }
+
+  public String providePIN(PINSpec spec, int retries) {
+    if (pin_already_provided)
+      return null;
+    pin_already_provided = true;
+    return pin;
+  }
+
+}