SiLeBAT/FSK-Lab

/*******************************************************************************
 * Copyright (c) 2015 Federal Institute for Risk Assessment (BfR), Germany
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     Department Biological Safety - BfR
 *******************************************************************************/
package de.bund.bfr.knime.pmm.common.units;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class Categories {

    public static final String NO_CATEGORY = "No Category";

    public static List<String> getAllCategories() {
        return new ArrayList<>(CategoryReader.getInstance().getMap().keySet());
    }

    public static Category getCategory(String id) {
        if (id == null) {
            return new NoCategory();
        }

        Category category = CategoryReader.getInstance().getMap().get(id);

        if (category == null) {
            return new NoCategory();
        }

        return category;
    }

    public static Category getCategoryByUnit(String unit) {
        Category category = new NoCategory();

        for (Object o : getAllCategories()) {
            Category cat;

            if (o instanceof Category) {
                cat = (Category) o;
            } else if (o instanceof String) {
                cat = Categories.getCategory((String) o);
            } else {
                continue;
            }

            if (cat.getAllUnits().contains(unit)) {
                category = cat;
                break;
            }
        }

        return category;
    }

    public static List<String> getUnitsFromCategories(List<?> categories) {
        List<String> units = new ArrayList<>();

        if (categories != null) {
            for (Object o : categories) {
                if (o instanceof Category) {
                    units.addAll(((Category) o).getAllUnits());
                } else if (o instanceof String) {
                    units.addAll(Categories.getCategory((String) o).getAllUnits());
                }
            }
        }

        return units;
    }

    public static String getTime() {
        return "Time";
    }

    public static Category getTimeCategory() {
        return getCategory(getTime());
    }

    public static List<String> getConcentrations() {
        return Arrays.asList("Number Content (count/mass)", "Number Concentration (count/vol)",
                "Number Aeric (number/area)", "Number", "Number Concentration Difference", "Number Content Difference",
                "Number Difference", "Number Fraction", "Arbitrary Fraction", "Energy Content", "Energy Content Rate",
                "Mass", "Mass Concentration", "Mass Ratio", "Mole Content", "True/False Value", "Volume Concentration",
                "Volume Ratio");
    }

    public static List<Category> getConcentrationCategories() {
        return getConcentrations().stream().map(Categories::getCategory).collect(Collectors.toList());
    }

    public static Category getTempCategory() {
        return getCategory("Temperature");
    }

    public static Category getPhCategory() {
        return getCategory("Dimensionless quantity");
    }

    public static Category getAwCategory() {
        return getCategory("Dimensionless quantity");
    }

    public static String getPhUnit() {
        return "[pH]";
    }

    public static String getAwUnit() {
        return "[aw]";
    }
}