FINERACT-2232: Generalization of StringEnumOptionData enums

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/api/ApiFacingEnum.java

@@ -0,0 +1,43 @@
+/**
+ * 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.
+ */
+package org.apache.fineract.infrastructure.core.api;
+
+import java.util.Arrays;
+import java.util.List;
+import org.apache.fineract.infrastructure.core.data.StringEnumOptionData;
+
+public interface ApiFacingEnum<T extends Enum<T> & ApiFacingEnum<T>> {
+
+    static <T extends Enum<T> & ApiFacingEnum<T>> List<StringEnumOptionData> getValuesAsStringEnumOptionDataList(Class<T> clazz) {
+        return Arrays.stream(clazz.getEnumConstants()).map(v -> new StringEnumOptionData(v.name(), v.getCode(), v.getHumanReadableName()))
+                .toList();
+    }
+
+    static <T extends Enum<T> & ApiFacingEnum<T>> StringEnumOptionData getStringEnumOptionData(Class<T> clazz, String name) {
+        return name == null || name.trim().isEmpty() ? null : Enum.valueOf(clazz, name).getValueAsStringEnumOptionData();
+    }
+
+    default StringEnumOptionData getValueAsStringEnumOptionData() {
+        return new StringEnumOptionData(((Enum<T>) this).name(), getCode(), getHumanReadableName());
+    }
+
+    String getCode();
+
+    String getHumanReadableName();
+}

fineract-core/src/main/java/org/apache/fineract/portfolio/common/domain/DaysInYearCustomStrategyType.java

@@ -18,11 +18,9 @@
  */
 package org.apache.fineract.portfolio.common.domain;
 
-import java.util.Arrays;
-import java.util.List;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
-import org.apache.fineract.infrastructure.core.data.StringEnumOptionData;
+import org.apache.fineract.infrastructure.core.api.ApiFacingEnum;
 
 /**
  * Defines the method of leap year calculation for determining the number of days in a year.
@@ -53,7 +51,7 @@ import org.apache.fineract.infrastructure.core.data.StringEnumOptionData;
  */
 @Getter
 @RequiredArgsConstructor
-public enum DaysInYearCustomStrategyType {
+public enum DaysInYearCustomStrategyType implements ApiFacingEnum<DaysInYearCustomStrategyType> {
 
     /** Always considers 366 days in a leap year. */
     FULL_LEAP_YEAR("DaysInYearCustomStrategyType.fullLeapYear", "Full Leap Year"),
@@ -64,15 +62,4 @@ public enum DaysInYearCustomStrategyType {
     private final String code;
     private final String humanReadableName;
 
-    public static List<StringEnumOptionData> getValuesAsStringEnumOptionDataList() {
-        return Arrays.stream(values()).map(v -> new StringEnumOptionData(v.name(), v.getCode(), v.getHumanReadableName())).toList();
-    }
-
-    public StringEnumOptionData getValueAsStringEnumOptionData() {
-        return new StringEnumOptionData(name(), getCode(), getHumanReadableName());
-    }
-
-    public static StringEnumOptionData getStringEnumOptionData(String name) {
-        return name == null || name.trim().isEmpty() ? null : DaysInYearCustomStrategyType.valueOf(name).getValueAsStringEnumOptionData();
-    }
 }