PathManager.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.io;

import java.io.File;
import net.sf.gridarta.model.mapmodel.AbsoluteMapPath;
import net.sf.gridarta.model.mapmodel.MapFile;
import net.sf.gridarta.model.mapmodel.MapPathUtils;
import net.sf.gridarta.model.settings.ProjectSettings;
import net.sf.gridarta.utils.IOUtils;
import org.jetbrains.annotations.NotNull;

public class PathManager {

    @NotNull
    private final ProjectSettings projectSettings;

    public PathManager(@NotNull final ProjectSettings projectSettings) {
        this.projectSettings = projectSettings;
    }

    @NotNull
    public String getMapPath(@NotNull final File file) {
        return PathManagerUtils.getMapPath(file, projectSettings.getMapsDirectory());
    }

    @NotNull
    public MapFile getMapFile(@NotNull final AbsoluteMapPath mapPath) {
        return new MapFile(new MapFile(projectSettings.getMapsDirectory()), mapPath);
    }

    @NotNull
    public MapFile getMapFile(@NotNull final File file) {
        final String canonicalFile = IOUtils.getCanonicalPath(file);
        final File mapsDirectory = projectSettings.getMapsDirectory();
        final String canonicalMapsDir = IOUtils.getCanonicalPath(mapsDirectory) + "/";
        final String mapPath;
        final File baseDir;
        if (canonicalFile.startsWith(canonicalMapsDir)) {
            // within maps directory => base on maps directory
            mapPath = canonicalFile.substring(canonicalMapsDir.length());
            baseDir = mapsDirectory;
        } else {
            // outside maps directory => base on filesystem root
            mapPath = canonicalFile;
            baseDir = new File("/");
        }
        return new MapFile(new MapFile(baseDir), MapPathUtils.newMapPath(mapPath));
    }

}