1 files changed, 51 insertions, 0 deletions
diff --git a/src/org/traccar/notification/PropertiesProvider.java b/src/org/traccar/notification/PropertiesProvider.java
new file mode 100644
index 000000000..9136288f8
--- /dev/null
+++ b/src/org/traccar/notification/PropertiesProvider.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ *
+ * 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.traccar.notification;
+
+import org.traccar.Config;
+import org.traccar.model.Extensible;
+
+public class PropertiesProvider {
+
+    private Config config;
+
+    private Extensible extensible;
+
+    public PropertiesProvider(Config config) {
+        this.config = config;
+    }
+
+    public PropertiesProvider(Extensible extensible) {
+        this.extensible = extensible;
+    }
+
+    public String getString(String key) {
+        if (config != null) {
+            return config.getString(key);
+        } else {
+            return (String) extensible.getAttributes().get(key);
+        }
+    }
+
+    public String getString(String key, String defaultValue) {
+        String value = getString(key);
+        if (value == null) {
+            value = defaultValue;
+        }
+        return value;
+    }
+
+}