1 files changed, 70 insertions, 11 deletions
diff --git a/src/main/java/org/traccar/config/ConfigSuffix.java b/src/main/java/org/traccar/config/ConfigSuffix.java
index ede4c107d..aac3219c6 100644
--- a/src/main/java/org/traccar/config/ConfigSuffix.java
+++ b/src/main/java/org/traccar/config/ConfigSuffix.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 - 2020 Anton Tananaev (anton@traccar.org)
+ * Copyright 2019 - 2022 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.
@@ -17,15 +17,11 @@ package org.traccar.config;
 
 import java.util.List;
 
-public class ConfigSuffix<T> {
+public abstract class ConfigSuffix<T> {
 
-    private final String keySuffix;
-    private final List<KeyType> types;
-    private final T defaultValue;
-
-    ConfigSuffix(String keySuffix, List<KeyType> types) {
-        this(keySuffix, types,  null);
-    }
+    protected final String keySuffix;
+    protected final List<KeyType> types;
+    protected final T defaultValue;
 
     ConfigSuffix(String keySuffix, List<KeyType> types, T defaultValue) {
         this.keySuffix = keySuffix;
@@ -33,8 +29,71 @@ public class ConfigSuffix<T> {
         this.defaultValue = defaultValue;
     }
 
-    public ConfigKey<T> withPrefix(String prefix) {
-        return new ConfigKey<>(prefix + keySuffix, types, defaultValue);
+    public abstract ConfigKey<T> withPrefix(String prefix);
+
+}
+
+class StringConfigSuffix extends ConfigSuffix<String> {
+    StringConfigSuffix(String key, List<KeyType> types) {
+        super(key, types, null);
+    }
+    StringConfigSuffix(String key, List<KeyType> types, String defaultValue) {
+        super(key, types, defaultValue);
+    }
+    @Override
+    public ConfigKey<String> withPrefix(String prefix) {
+        return new StringConfigKey(prefix + keySuffix, types, defaultValue);
+    }
+}
+
+class BooleanConfigSuffix extends ConfigSuffix<Boolean> {
+    BooleanConfigSuffix(String key, List<KeyType> types) {
+        super(key, types, null);
+    }
+    BooleanConfigSuffix(String key, List<KeyType> types, Boolean defaultValue) {
+        super(key, types, defaultValue);
+    }
+    @Override
+    public ConfigKey<Boolean> withPrefix(String prefix) {
+        return new BooleanConfigKey(prefix + keySuffix, types, defaultValue);
+    }
+}
+
+class IntegerConfigSuffix extends ConfigSuffix<Integer> {
+    IntegerConfigSuffix(String key, List<KeyType> types) {
+        super(key, types, null);
+    }
+    IntegerConfigSuffix(String key, List<KeyType> types, Integer defaultValue) {
+        super(key, types, defaultValue);
+    }
+    @Override
+    public ConfigKey<Integer> withPrefix(String prefix) {
+        return new IntegerConfigKey(prefix + keySuffix, types, defaultValue);
     }
+}
 
+class LongConfigSuffix extends ConfigSuffix<Long> {
+    LongConfigSuffix(String key, List<KeyType> types) {
+        super(key, types, null);
+    }
+    LongConfigSuffix(String key, List<KeyType> types, Long defaultValue) {
+        super(key, types, defaultValue);
+    }
+    @Override
+    public ConfigKey<Long> withPrefix(String prefix) {
+        return new LongConfigKey(prefix + keySuffix, types, defaultValue);
+    }
+}
+
+class DoubleConfigSuffix extends ConfigSuffix<Double> {
+    DoubleConfigSuffix(String key, List<KeyType> types) {
+        super(key, types, null);
+    }
+    DoubleConfigSuffix(String key, List<KeyType> types, Double defaultValue) {
+        super(key, types, defaultValue);
+    }
+    @Override
+    public ConfigKey<Double> withPrefix(String prefix) {
+        return new DoubleConfigKey(prefix + keySuffix, types, defaultValue);
+    }
 }