software.coolstuff.springframework.owncloud.service.impl.local.OwncloudLocalUtils.java Source code

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Here is the source code for software.coolstuff.springframework.owncloud.service.impl.local.OwncloudLocalUtils.java

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/*-
 * #%L
 * owncloud-spring-boot-starter
 * %%
 * Copyright (C) 2016 - 2017 by the original Authors
 * %%
 * 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 3 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, see
 * <http://www.gnu.org/licenses/gpl-3.0.html>.
 * #L%
 */
package software.coolstuff.springframework.owncloud.service.impl.local;

import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.Validate;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

import java.nio.file.Files;
import java.nio.file.Path;

@NoArgsConstructor(access = AccessLevel.PRIVATE)
@Slf4j
final class OwncloudLocalUtils {

    public static void validateUserNotNull(OwncloudLocalUserData.User user, String username) {
        if (user == null) {
            throw new UsernameNotFoundException(username);
        }
    }

    public static void checkPrivilegesOnDirectory(Path location) {
        log.debug("Check the Location {}", location);
        Validate.isTrue(Files.exists(location));
        Validate.isTrue(Files.isDirectory(location));
        Validate.isTrue(Files.isReadable(location)); // List Files within Directory
        Validate.isTrue(Files.isExecutable(location)); // can change into Directory
        Validate.isTrue(Files.isWritable(location)); // can create or delete Files within Directory
    }

}