GameObjectMatchersParser.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2015 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.model.match;

import net.sf.gridarta.model.errorview.ErrorViewCategory;
import net.sf.gridarta.model.errorview.ErrorViewCollector;
import net.sf.gridarta.utils.xml.ElementsIterable;
import nu.xom.Document;
import nu.xom.Element;
import org.apache.log4j.Category;
import org.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;

public class GameObjectMatchersParser {

    @NotNull
    private static final Category LOG = Logger.getLogger(GameObjectMatchersParser.class);

    private GameObjectMatchersParser() {
    }

    public static void readGameObjectMatchers(@NotNull final Document document, @NotNull final GameObjectMatchers gameObjectMatchers, @NotNull final ErrorViewCollector errorViewCollector) {
        int count = 0;
        int editType = 1;
        final Element rootElement = document.getRootElement();
        for (final Element node : new ElementsIterable(rootElement.getChildElements("GameObjectMatcher"))) {
            final NamedGameObjectMatcher archObjectMatcher;
            try {
                archObjectMatcher = GameObjectMatcherParser.parseMatcher(node, editType);
            } catch (final ParsingException ex) {
                errorViewCollector.addWarning(ErrorViewCategory.GAMEOBJECTMATCHERS_ENTRY_INVALID, node.getAttribute("id") + ": " + ex.getMessage());
                continue;
            }
            gameObjectMatchers.addGameObjectMatcher(archObjectMatcher);
            count++;
            if (editType != 0 && !archObjectMatcher.isSystemMatcher()) {
                editType <<= 1;
                if (editType == 0) {
                    errorViewCollector.addWarning(ErrorViewCategory.GAMEOBJECTMATCHERS_ENTRY_INVALID, "too many GameObjectMatchers, ignoring rest");
                }
            }
        }
        if (LOG.isInfoEnabled()) {
            LOG.info("Loaded " + count + " GameObjectMatchers.");
        }
    }

}