/**
 * This file is part of the Meeds project (https://meeds.io/).
 *
 * Copyright (C) 2020 - 2025 Meeds Association contact@meeds.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.exoplatform.portal.resource;

/**
 * A key for skin config lookup.
 *
 */
public class SkinKey {

    private final String module;

    private final String name;

    private final int hashCode;

    /**
     * Creates a new skin key.
     *
     * @param module the skin base
     * @param name the skin name
     * @throws IllegalArgumentException if any argument is null
     */
    public SkinKey(String module, String name) throws IllegalArgumentException {
        if (module == null) {
            throw new IllegalArgumentException("No null base accepted");
        }
        if (name == null) {
            throw new IllegalArgumentException("No null skin name accepted");
        }

        //
        this.module = module;
        this.name = name;
        this.hashCode = module.hashCode() * 41 + name.hashCode();
    }

    public String getModule() {
        return module;
    }

    public String getName() {
        return name;
    }

    public int hashCode() {
        return hashCode;
    }

    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (obj == this) {
            return true;
        }
        if (obj instanceof SkinKey) {
            SkinKey that = (SkinKey) obj;
            return that.module.equals(module) && that.name.equals(name);
        }
        return false;
    }

    public String toString() {
        return "SkinKey[base=" + module + ",name=" + name + "]";
    }
}
