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• StoredAsJsonBeanSerializerModifier.java

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com.hubspot.rosetta.internal.StoredAsJsonBeanSerializerModifier Maven / Gradle / Ivy

package com.hubspot.rosetta.internal;

import com.fasterxml.jackson.databind.BeanDescription;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializationConfig;
import com.fasterxml.jackson.databind.ser.BeanPropertyWriter;
import com.fasterxml.jackson.databind.ser.BeanSerializerModifier;
import com.hubspot.rosetta.annotations.StoredAsJson;
import java.util.List;

/**
 * Handles empty serialization for properties annotated with {@link com.hubspot.rosetta.annotations.StoredAsJson}
 * Can't override AnnotationIntrospector#findNullSerializer because of 2.1.x compatibility
 */
public class StoredAsJsonBeanSerializerModifier extends BeanSerializerModifier {

  @Override
  public List changeProperties(
    SerializationConfig config,
    BeanDescription beanDesc,
    List beanProperties
  ) {
    for (BeanPropertyWriter beanProperty : beanProperties) {
      StoredAsJson storedAsJson = beanProperty.getAnnotation(StoredAsJson.class);
      if (storedAsJson != null && !StoredAsJson.NULL.equals(storedAsJson.empty())) {
        final JsonSerializer