com.eligible.model.EligibleObject Maven / Gradle / Ivy

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Java bindings for Eligible APIs (https://eligible.com).

There is a newer version: 1.13.13

package com.eligible.model;

import com.google.gson.ExclusionStrategy;
import com.google.gson.FieldAttributes;
import com.google.gson.FieldNamingPolicy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import lombok.Getter;
import lombok.Setter;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

public abstract class EligibleObject {
    @Getter @Setter
    Map rawValues = new HashMap();

    public static final ExclusionStrategy RAW_VALUES_EXCLUSION_STRATEGY = new ExclusionStrategy() {
        @Override
        public boolean shouldSkipField(FieldAttributes f) {
            return f.getName().equals("rawValues");
        }

        @Override
        public boolean shouldSkipClass(Class clazz) {
            return false;
        }
    };

    public static final GsonBuilder GSON_BUILDER = new GsonBuilder().
            setPrettyPrinting().
            serializeNulls().
            setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES);

    public static final Gson PRETTY_DUMP_GSON = GSON_BUILDER.create();

    public static final Gson PRETTY_PRINT_GSON = GSON_BUILDER.
            addSerializationExclusionStrategy(RAW_VALUES_EXCLUSION_STRATEGY).
            create();

    public  T get(String id) {
        return (T) (rawValues == null ? null : rawValues.get(id));
    }

    public String dump() {
        return PRETTY_DUMP_GSON.toJson(rawValues);
    }

    @Override
    public String toString() {
        return String.format(
                "<%s@%s id=%s> JSON: %s",
                this.getClass().getName(),
                System.identityHashCode(this),
                this.getIdString(),
                PRETTY_PRINT_GSON.toJson(this));
    }

    private Object getIdString() {
        try {
            Method idField = this.getClass().getDeclaredMethod("getId");
            return idField.invoke(this);
        } catch (SecurityException e) {
            return "";
        } catch (IllegalArgumentException e) {
            return "";
        } catch (IllegalAccessException e) {
            return "";
        } catch (NoSuchMethodException e) {
            return "";
        } catch (InvocationTargetException e) {
            return "";
        }
    }
}