com.flysystem.core.util.PathUtil.java Source code

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Here is the source code for com.flysystem.core.util.PathUtil.java

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/*
 * Copyright (c) 2013-2015 Frank de Jonge
 *
 * 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 com.flysystem.core.util;

import com.flysystem.core.FileMetadata;
import com.flysystem.core.adapter.local.FileMetadataConverter;
import net.sf.jmimemagic.*;
import org.apache.commons.io.FilenameUtils;

import java.io.File;

/**
 * @author Zeger Hoogeboom
 */
public class PathUtil {
    /**
     * Normalize path.
     *
     * @return string
     */
    public static String normalizePath(String path) {
        path = path.replaceAll("^[^[/\\\\]]*[/\\\\]", ""); //replace all / and \ at the start of the string
        return FilenameUtils.normalizeNoEndSeparator(path);
    }

    /**
     * Get normalized pathinfo.
     *
     * @param path
     *
     * @return array pathinfo
     */
    public static FileMetadata pathinfo(String path) {
        File file = new File(path);
        return new FileMetadataConverter().convert(file);
    }

    /**
     * Normalize a dirname return value.
     *
     * @param dirname
     *
     * @return string normalized dirname
     */
    public static String normalizeDirname(String dirname) {
        if (".".equals(dirname)) {
            return "";
        }
        return dirname;
    }

    /**
     * Get a normalized dirname from a path.
     *
     * @param path
     *
     * @return string dirname
     */
    public static String dirname(String path) {
        return normalizeDirname(new File(path).getParent());
    }

    public static String guessMimeType(String path) {
        MagicMatch match = null;
        try {
            match = Magic.getMagicMatch(new File(path), true);
        } catch (MagicParseException | MagicMatchNotFoundException | MagicException e) {
            e.printStackTrace();
        }
        return match != null ? match.getMimeType() : null;
    }
}