Parcelable Model Wrapper

ModelParcelable.java

package com.zensound.parcelable;

import android.os.Parcel;
import android.os.Parcelable;

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

/**
 * The Parcelable wrapper for Model that enables Model to be passed as an parameter to Activities
 * or Fragments, or it can be stored in the SavedState.
 */
public final class ModelParcelable implements Parcelable {

    public static final Creator<ModelParcelable> CREATOR
            = new Creator<ModelParcelable>() { // NOSONAR

        public ModelParcelable createFromParcel(Parcel in) {

            return new ModelParcelable(in);
        }

        public ModelParcelable[] newArray(int size) {

            return new ModelParcelable[size];
        }
    };

    private final Model model;

    private ModelParcelable(Parcel in) {

        this.model = new Model();
        model.setName(in.readString());

    }

    public ModelParcelable(Model model) {

        this.model = model;
    }

    /**
     * Handy method that is transforming a list of ModelParcelables to the list of Models.
     *
     * @param modelParcelableList the parcelable that is wrapping the Model.
     * @return the list of un parceled Models.
     */
    public static List<Model> getList(List<ModelParcelable> modelParcelableList) {

        List<Model> list = null;
        if (modelParcelableList != null) {
            list = new ArrayList<>();
            for (ModelParcelable modelParcelable : modelParcelableList) {
                list.add(modelParcelable.getModel());
            }
        }
        return list;
    }

    /**
     * Handy method that is transforming a list of Models to the list of
     * ModelParcelables.
     *
     * @param modelList the list of Models.
     * @return the list of wrapped Models in parcel.
     */
    public static ArrayList<ModelParcelable> getParcelableList(List<Model> modelList) {

        ArrayList<ModelParcelable> list = null;
        if (modelList != null) {
            list = new ArrayList<>();
            for (Model model : modelList) {
                list.add(new ModelParcelable(model));
            }
        }
        return list;
    }

    @Override
    public void writeToParcel(Parcel parcel, int i) {

        parcel.writeString(model.getName());
    }

    public Model getModel() {

        return this.model;
    }

    @Override
    public int describeContents() {

        return 0;
    }
}