com.flysystem.core.adapter.AbstractAdapter.java Source code

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Here is the source code for com.flysystem.core.adapter.AbstractAdapter.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.adapter;

import com.flysystem.core.Adapter;
import com.google.common.base.Strings;
import org.apache.commons.lang3.StringUtils;

import java.io.File;

/**
 * @author Zeger Hoogeboom
 */
public abstract class AbstractAdapter implements Adapter {
    protected String pathPrefix;

    public void setPathPrefix(String prefix) {
        boolean isEmpty = Strings.isNullOrEmpty(prefix);
        if (!isEmpty) {
            prefix = StringUtils.stripEnd(prefix, File.separator) + File.separator;
        }
        this.pathPrefix = isEmpty ? null : prefix;
    }

    public String getPathPrefix() {
        return pathPrefix;
    }

    public String applyPathPrefix(String path) {
        path = StringUtils.stripStart(path, "\\/");
        if (path.length() == 0) {
            return getPathPrefix() != null ? getPathPrefix() : "";
        }
        return getPathPrefix() + path;
    }

    /**
     * Remove a path prefix.
     *
     * @return string path without the prefix
     */
    public String removePathPrefix(String path) {
        if (getPathPrefix() == null) {
            return path;
        }

        return path.substring(pathPrefix.length());
    }
}