org.flexdock.plaf.Configurator Maven / Gradle / Ivy

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/*
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.flexdock.plaf;

import java.util.HashMap;

import org.flexdock.plaf.resources.ResourceHandler;
import org.flexdock.plaf.resources.ResourceHandlerFactory;
import org.flexdock.util.ResourceManager;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

/**
 * @author Christopher Butler
 */
public final class Configurator implements XMLConstants {
    public static final String DEFAULT_PREFS_URI = "org/flexdock/plaf/flexdock-themes-default.xml";
    public static final String PREFS_URI = "flexdock-themes.xml";

    private Configurator() {
        //does nothing
    }

    public static Document loadUserPrefs() {
        return ResourceManager.getDocument(PREFS_URI);
    }

    public static Document loadDefaultPrefs() {
        return ResourceManager.getDocument(DEFAULT_PREFS_URI);
    }

    public static HashMap getNamedElementsByTagName(String tagName) {
        if(isNull(tagName)) {
            return null;
        }

        HashMap cache = new HashMap(256);
        // load defaults
        Document defaults = Configurator.loadDefaultPrefs();
        loadNamedElementsByTagName(defaults, tagName, cache);
        // overwrite/add with user prefs
        Document user = Configurator.loadUserPrefs();
        loadNamedElementsByTagName(user, tagName, cache);

        return cache;
    }

    private static void loadNamedElementsByTagName(Document document, String tagName, HashMap cache) {
        if(document==null) {
            return;
        }

        NodeList elements = document.getElementsByTagName(tagName);

        for(int i=0; i