org.obiba.mica.file.FileUtils.java Source code

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Here is the source code for org.obiba.mica.file.FileUtils.java

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/*
 * Copyright (c) 2018 OBiBa. All rights reserved.
 *
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.obiba.mica.file;

import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;

import org.obiba.mica.file.service.FileSystemService;
import org.springframework.data.domain.Persistable;

import com.google.common.base.CaseFormat;

public class FileUtils {

    private FileUtils() {
    }

    public static boolean isRoot(String basePath) {
        return "/".equals(basePath);
    }

    public static String normalizePath(String path) {
        String nPath = path.startsWith("/") ? path : String.format("/%s", path);

        if (!isRoot(nPath) && nPath.endsWith("/"))
            nPath = nPath.replaceAll("[/]+$", "");

        return nPath;
    }

    public static boolean isDirectory(AttachmentState state) {
        return state != null && FileSystemService.DIR_NAME.equals(state.getName());
    }

    public static String getParentPath(String path) {
        int idx = path.lastIndexOf('/');
        return idx == 0 ? "/" : path.substring(0, idx);
    }

    public static String getEntityPath(Persistable persistable) {
        return String.format("/%s/%s",
                CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_HYPHEN, persistable.getClass().getSimpleName()),
                persistable.getId());
    }

    public static String normalizeRegex(String path) {
        if (path == null)
            return null;
        return path.replaceAll("\\(", "\\\\(").replaceAll("\\)", "\\\\)");
    }

    /**
     * Encode file path to be Shiro-safe.
     *
     * @param path
     * @return
     */
    public static String encode(String path) {
        if (path == null)
            return null;
        try {
            return URLEncoder.encode(path, "UTF-8").replaceAll("%2F", "/");
        } catch (UnsupportedEncodingException e) {
            return path;
        }
    }

    public static String decode(String path) {
        if (path == null)
            return null;
        try {
            return URLDecoder.decode(path, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            return path;
        }
    }
}