io.github.rayexpresslibraries.ddd.domain.validation.handler.Notification Maven / Gradle / Ivy

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package io.github.rayexpresslibraries.ddd.domain.validation.handler;

import io.github.rayexpresslibraries.ddd.domain.validation.Error;
import io.github.rayexpresslibraries.ddd.domain.validation.ValidatorHandler;
import io.github.rayexpresslibraries.ddd.domain.exceptions.DomainException;

import java.util.ArrayList;
import java.util.List;

public class Notification implements ValidatorHandler {

    private final List errors;

    private Notification(final List errors) {
        this.errors = errors;
    }

    public static Notification create() {
        return new Notification(new ArrayList<>());
    }

    public static Notification create(final Error error) {
        return new Notification(new ArrayList<>()).append(error);
    }

    public static Notification create(final Throwable error) {
        return create(new Error(error.getMessage()));
    }

    @Override
    public Notification append(final Error error) {
        this.errors.add(error);
        return this;
    }

    @Override
    public Notification append(final ValidatorHandler handler) {
        this.errors.addAll(handler.getErrors());
        return this;
    }

    @Override
    public  T validate(final Validation handler) {
        try {
            return handler.validate();
        } catch (final DomainException e) {
            this.errors.addAll(e.getErrors());
        } catch (final Exception e) {
            this.errors.add(new Error(e.getMessage()));
        }
        return null;
    }

    @Override
    public List getErrors() {
        return errors;
    }
}