com.enofex.naikan.model.serializer.json.AbstractJsonSerializer Maven / Gradle / Ivy

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The Naikan Model Module for Naikan the software inventory management tool for dev teams driven by our CI/CD pipeline.

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package com.enofex.naikan.model.serializer.json;

import com.enofex.naikan.model.Bom;
import com.enofex.naikan.model.BomSchema;
import com.enofex.naikan.model.module.ObjectMapperFactory;
import com.enofex.naikan.model.serializer.SerializerException;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.util.DefaultIndenter;
import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.lang.reflect.Field;

abstract class AbstractJsonSerializer extends BomSchema implements JsonSerializer {

  private final ObjectMapper mapper;
  private final DefaultPrettyPrinter prettyPrinter;

  AbstractJsonSerializer() {
    this.mapper = ObjectMapperFactory.newObjectMapper();
    this.prettyPrinter = new DefaultPrettyPrinter();
    this.prettyPrinter.indentArraysWith(DefaultIndenter.SYSTEM_LINEFEED_INSTANCE);
  }

  ObjectMapper mapper() {
    return this.mapper;
  }

  String toJson(Bom bom, boolean prettyPrint) throws SerializerException {
    try {
      if (prettyPrint) {
        return this.mapper.writer(this.prettyPrinter).writeValueAsString(bom);
      }
      return this.mapper.writeValueAsString(bom);
    } catch (JsonProcessingException e) {
      throw new SerializerException(e);
    }
  }

  Bom injectBomFormatAndSpecVersion(Bom bom) throws SerializerException {
    try {
      Field field;
      field = Bom.class.getDeclaredField("bomFormat");
      field.setAccessible(true);
      field.set(bom, "Naikan");
      field = Bom.class.getDeclaredField("specVersion");
      field.setAccessible(true);
      field.set(bom, getSchemaVersion().version());
      return bom;
    } catch (NoSuchFieldException | IllegalAccessException e) {
      throw new SerializerException(e);
    }
  }

  Bom modifyBom(Bom bom) {
    Bom modifiedBom = null;

    try {
      modifiedBom = injectBomFormatAndSpecVersion(bom);
    } catch (SerializerException ignored) {
    }

    return modifiedBom != null ? modifiedBom : bom;
  }
}