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/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2011-2016 Incapture Technologies LLC
 *
 * 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 rapture.repo.cassandra.key;

import rapture.repo.cassandra.CassFolderHandler;

import java.util.LinkedList;
import java.util.List;

import org.apache.commons.lang3.StringUtils;

/**
 * An "external" path is the path seen by users of the app, without any partition key prefixes that we use internally when storing in Cassandra. This is
 * intended to receive regular strings and append those into a path
 *
 * @author bardhi
 * @since 3/10/15.
 */
public class PathBuilder {
    private final String root;
    private List subPaths = new LinkedList<>();

    public PathBuilder(String prefix) {
        this.root = PathStripper.stripPrefix(prefix);
    }

    public PathBuilder subPath(String name) {
        subPaths.add(name);
        return this;
    }

    public String build() {
        String joined = StringUtils.join(subPaths, "/");
        if (CassFolderHandler.DOLLAR_ROOT.equals(root)) {
            return joined;
        } else {
            return root + "/" + joined;
        }
    }

}