MCCustomSkinLoader/Common/source/customskinloader/profile/ModelManager0.java

package customskinloader.profile;

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

import org.apache.commons.lang3.StringUtils;

import com.google.common.collect.Maps;
import com.mojang.authlib.minecraft.MinecraftProfileTexture;
import com.mojang.authlib.minecraft.MinecraftProfileTexture.Type;

/**
 * Model Manager for 1.8 and higher.
 * A manager to check if model is available.
 * It is the only class in package 'customskinloader' which has differences in different Minecraft version.
 * @since 13.1
 */
public class ModelManager0 {
    public static enum Model{
        SKIN_DEFAULT,
        SKIN_SLIM,
        CAPE,
        ELYTRA
    }
    private static HashMap<String,Model> models=new HashMap<String,Model>();
    private static Type typeElytra=null;
    static{
        for(Type type:Type.values()){
            if(type.ordinal()==2)//ELYTRA
                typeElytra=type;
        }
        models.put("default", Model.SKIN_DEFAULT);
        models.put("slim", Model.SKIN_SLIM);
        models.put("cape", Model.CAPE);
        if(typeElytra!=null)
            models.put("elytra", Model.ELYTRA);
    }
    
    /**
     * Get enum for the model.
     * @param model - string model
     * @since 14.5
     */
    public static Model getEnumModel(String model){
        return models.get(model);
    }
    
    /**
     * Check if model is skin.
     * @since 14.5
     * */
    public static boolean isSkin(Model model){
        return model==Model.SKIN_DEFAULT||model==Model.SKIN_SLIM;
    }
    
    /**
     * Check if elytra is supported.
     * @since 14.5
     */
    public static boolean isElytraSupported(){
        return typeElytra!=null;
    }
    
    /**
     * Parse hashMapProfile to UserProfile
     * @param profile - hashMapProfile (HashMap<String,MinecraftProfileTexture>)
     * @return profile - UserProfile instance
     * @since 13.1
     */
    public static UserProfile toUserProfile(Map profile){
        UserProfile userProfile=new UserProfile();
        if(profile==null)
            return userProfile;
        MinecraftProfileTexture skin=(MinecraftProfileTexture)profile.get(Type.SKIN);
        userProfile.skinUrl= skin==null?null:skin.getUrl();//Avoid NullPointerException
        userProfile.model= skin==null?null:skin.getMetadata("model");
        if(StringUtils.isEmpty(userProfile.model))
            userProfile.model="default";
        
        MinecraftProfileTexture cape=(MinecraftProfileTexture)profile.get(Type.CAPE);
        userProfile.capeUrl= cape==null?null:cape.getUrl();
        return userProfile;
    }
    
    /**
     * Parse UserProfile to hashMapProfile
     * @param profile - UserProfile instance
     * @return profile - hashMapProfile (HashMap<String,MinecraftProfileTexture>)
     * @since 13.1
     */
    public static Map fromUserProfile(UserProfile profile){
        Map map=Maps.newHashMap();
        if(profile==null)
            return map;
        if(profile.skinUrl!=null){
            Map metadata=null;
            if(profile.model!=null&&profile.model.equals("slim")){
                metadata = Maps.newHashMap();
                metadata.put("model", "slim");
            }
            map.put(Type.SKIN, getProfileTexture(profile.skinUrl,metadata));
        }
        if(profile.capeUrl!=null)
            map.put(Type.CAPE, getProfileTexture(profile.capeUrl,null));
        if(typeElytra!=null && profile.elytraUrl!=null)
            map.put(typeElytra, getProfileTexture(profile.elytraUrl,null));
        return map;
    }
    
    /**
     * Parse url to MinecraftProfileTexture
     * 
     * @param url - textureUrl
     *        metadata - metadata
     * @return MinecraftProfileTexture
     * @since 14.5
     */
    public static MinecraftProfileTexture getProfileTexture(String url,Map metadata){
        return new MinecraftProfileTexture(url,metadata);
    }
}