TokenMarkerFactory.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 The Gridarta Developers.
 *
 * 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 2 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package net.sf.gridarta.textedit.textarea.tokenmarker;
 
import java.io.File;
import java.util.HashMap;
import java.util.Map;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
 
public class TokenMarkerFactory {
 
    @NotNull
    private static final String CROSSFIRE_DIALOG = "crossfire-dialog";
 
    @NotNull
    private static final String DAIMONIN_AI = "daimonin-ai";
 
    @NotNull
    private static final Map<String, Class<? extends TokenMarker>> TOKEN_MARKERS = new HashMap<>();
 
    static {
        TOKEN_MARKERS.put("c", CTokenMarker.class);
        TOKEN_MARKERS.put("cc", CTokenMarker.class);
        TOKEN_MARKERS.put("cpp", CTokenMarker.class);
        TOKEN_MARKERS.put("h", CTokenMarker.class);
        TOKEN_MARKERS.put("hh", CTokenMarker.class);
        TOKEN_MARKERS.put("htm", HTMLTokenMarker.class);
        TOKEN_MARKERS.put("html", HTMLTokenMarker.class);
        TOKEN_MARKERS.put("js", JavaScriptTokenMarker.class);
        TOKEN_MARKERS.put("lua", LuaTokenMarker.class);
        TOKEN_MARKERS.put("py", PythonTokenMarker.class);
        TOKEN_MARKERS.put("xml", XMLTokenMarker.class);
        TOKEN_MARKERS.put(CROSSFIRE_DIALOG, CrossfireDialogTokenMarker.class);
        TOKEN_MARKERS.put(DAIMONIN_AI, DaimoninAITokenMarker.class);
    }
 
    private TokenMarkerFactory() {
    }
 
    @NotNull
    public static TokenMarker createTokenMarker(@Nullable final File file) {
        if (file == null) {
            return new EmptyTokenMarker();
        }
 
        final String filename = file.getName();
        final int dotIndex = filename.lastIndexOf('.');
        if (dotIndex == -1) {
            return new EmptyTokenMarker();
        }
        return createTokenMarker(filename.substring(dotIndex + 1));
    }
 
    @NotNull
    public static TokenMarker createTokenMarker(@Nullable final String extension) {
        if (extension == null) {
            return new EmptyTokenMarker();
        }
 
        final Class<? extends TokenMarker> tokenMarkerClass = TOKEN_MARKERS.get(extension);
        if (tokenMarkerClass == null) {
            return new EmptyTokenMarker();
        }
        try {
            return tokenMarkerClass.newInstance();
        } catch (final IllegalAccessException | InstantiationException ex) {
            return new EmptyTokenMarker();
        }
    }
 
}