com.envimate.mapmate.serialization.methods.PublicFieldsSerializationDTOMethod Maven / Gradle / Ivy
/*
* Copyright (c) 2019 envimate GmbH - https://envimate.com/.
*
* 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 com.envimate.mapmate.serialization.methods;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
import static com.envimate.mapmate.serialization.SerializationException.fromException;
import static java.util.Arrays.stream;
public final class PublicFieldsSerializationDTOMethod implements SerializationDTOMethod {
private PublicFieldsSerializationDTOMethod() {
}
public static SerializationDTOMethod thePublicFieldsSerializationDTOMethod() {
return new PublicFieldsSerializationDTOMethod();
}
@Override
public Object serialize(final Object object, final Function serializerCallback) {
final Field[] fields = object.getClass().getFields();
final Map normalizedChildren = new HashMap<>(fields.length);
stream(fields)
.forEach(field -> {
try {
final String name = field.getName();
final Object value = field.get(object);
if(isNotTransient(field)) {
final Object serializedValue = serializerCallback.apply(value);
normalizedChildren.put(name, serializedValue);
} else {
normalizedChildren.put(name, null);
}
} catch (final IllegalAccessException e) {
throw fromException(e);
}
});
return normalizedChildren;
}
private boolean isNotTransient(final Field field) {
return !Modifier.isTransient(field.getModifiers());
}
}