FINERACT-2220: Make ProgressiveLoanInterestScheduleModel serializable and deserializable

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/serialization/gson/JsonExclude.java

@@ -0,0 +1,32 @@
+/**
+ * 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.serialization.gson;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Exclude field from json serialization when using Gson with custom
+ * {@link JsonExcludeAnnotationBasedExclusionStrategy}.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ ElementType.FIELD })
+public @interface JsonExclude {}

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/serialization/gson/JsonExcludeAnnotationBasedExclusionStrategy.java

@@ -0,0 +1,40 @@
+/**
+ * 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.serialization.gson;
+
+import com.google.gson.ExclusionStrategy;
+import com.google.gson.FieldAttributes;
+
+/**
+ * Exclusion strategy to handle {@link JsonExclude} annotations to exclude fields from serialization and
+ * deserialization.
+ */
+public class JsonExcludeAnnotationBasedExclusionStrategy implements ExclusionStrategy {
+
+    @Override
+    public boolean shouldSkipField(FieldAttributes fieldAttributes) {
+        JsonExclude annotation = fieldAttributes.getAnnotation(JsonExclude.class);
+        return annotation != null;
+    }
+
+    @Override
+    public boolean shouldSkipClass(Class<?> aClass) {
+        return false;
+    }
+}

fineract-core/src/main/java/org/apache/fineract/infrastructure/core/serialization/gson/LocalDateAdapter.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.serialization.gson;
+
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonWriter;
+import java.io.IOException;
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+public class LocalDateAdapter extends TypeAdapter<LocalDate> {
+
+    @Override
+    public void write(final JsonWriter jsonWriter, final LocalDate localDate) throws IOException {
+
+        jsonWriter.value(localDate.format(DateTimeFormatter.ISO_LOCAL_DATE));
+
+    }
+
+    @Override
+    public LocalDate read(final JsonReader jsonReader) throws IOException {
+
+        return LocalDate.parse(jsonReader.nextString(), DateTimeFormatter.ISO_LOCAL_DATE);
+
+    }
+}

fineract-core/src/main/java/org/apache/fineract/organisation/monetary/serialization/gson/MoneyDeserializer.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.organisation.monetary.serialization.gson;
+
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParseException;
+import java.lang.reflect.Type;
+import java.math.MathContext;
+import lombok.AllArgsConstructor;
+import org.apache.fineract.organisation.monetary.domain.MonetaryCurrency;
+import org.apache.fineract.organisation.monetary.domain.Money;
+
+@AllArgsConstructor
+public class MoneyDeserializer implements JsonDeserializer<Money> {
+
+    private final MathContext mc;
+    private final MonetaryCurrency currency;
+
+    @Override
+    public Money deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext)
+            throws JsonParseException {
+        return Money.of(currency, jsonElement.getAsBigDecimal(), mc);
+    }
+
+}

fineract-core/src/main/java/org/apache/fineract/organisation/monetary/serialization/gson/MoneySerializer.java

@@ -0,0 +1,35 @@
+/**
+ * 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.organisation.monetary.serialization.gson;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializationContext;
+import com.google.gson.JsonSerializer;
+import java.lang.reflect.Type;
+import org.apache.fineract.organisation.monetary.domain.Money;
+
+public class MoneySerializer implements JsonSerializer<Money> {
+
+    @Override
+    public JsonElement serialize(Money money, Type type, JsonSerializationContext jsonSerializationContext) {
+        return new JsonPrimitive(money.getAmount());
+    }
+
+}