com.hubspot.jinjava.objects.serialization.PyishBeanSerializerModifier Maven / Gradle / Ivy

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Jinja templating engine implemented in Java

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package com.hubspot.jinjava.objects.serialization;

import com.fasterxml.jackson.databind.BeanDescription;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializationConfig;
import com.fasterxml.jackson.databind.ser.BeanSerializerModifier;

public class PyishBeanSerializerModifier extends BeanSerializerModifier {
  public static final PyishBeanSerializerModifier INSTANCE = new PyishBeanSerializerModifier();

  private PyishBeanSerializerModifier() {}

  @Override
  public JsonSerializer modifySerializer(
    SerializationConfig config,
    BeanDescription beanDesc,
    JsonSerializer serializer
  ) {
    try {
      if (
        beanDesc.getBeanClass().getMethod("toString").getDeclaringClass() == Object.class
      ) {
        // Use the PyishSerializer if it extends the PyishSerializable class.
        // For example, a Map implementation could then have custom string serialization.
        if (!(PyishSerializable.class.isAssignableFrom(beanDesc.getBeanClass()))) {
          return serializer;
        }
      }
    } catch (NoSuchMethodException ignored) {}
    return PyishSerializer.INSTANCE;
  }
}