Bat/src/main/java/cc/fascinated/bat/common/ProfileHolder.java

package cc.fascinated.bat.common;

import cc.fascinated.bat.BatApplication;
import lombok.Getter;
import lombok.SneakyThrows;
import org.bson.Document;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.Map;

/**
 * @author Fascinated (fascinated7)
 */
@Getter
public abstract class ProfileHolder {
    private static final Logger log = LoggerFactory.getLogger(ProfileHolder.class);
    /**
     * The profiles for the holder
     */
    private final Map<String, Serializable> profiles = new HashMap<>();

    /**
     * Gets a profile for the holder
     *
     * @param clazz The class of the profile
     * @param <T>   The type of the profile
     * @return The profile
     */
    public abstract <T extends Serializable> T getProfile(Class<T> clazz);

    /**
     * Gets the profiles for the holder
     * using the provided document
     *
     * @return the profiles
     */
    @SneakyThrows
    protected <T extends Serializable> T getProfileFromDocument(Class<T> clazz, Document document) {
        Serializable profile = getProfiles().get(clazz.getSimpleName());
        if (profile == null) {
            T newProfile = clazz.cast(clazz.getDeclaredConstructors()[0].newInstance());

            log.info("instance of profiles: {}", document.get("profiles").getClass().getSimpleName());
            Document profiles = document.get("profiles", new org.bson.Document());
            Document profileDocument = (Document) profiles.get(clazz.getSimpleName());

            newProfile.load(profileDocument == null ? new Document() : profileDocument, BatApplication.GSON);
            getProfiles().put(clazz.getSimpleName(), newProfile);
            return newProfile;
        }
        return clazz.cast(profile);
    }
}