Upload.java

/*
 * Copyright (c) 2013 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.ytdl.util;

import com.google.ytdl.Constants;

public class Upload {
    public static String generateKeywordFromPlaylistId(String playlistId) {
        if (playlistId == null) playlistId = "";
        if (playlistId.indexOf("PL") == 0) {
            playlistId = playlistId.substring(2);
        }
        playlistId = playlistId.replaceAll("\\W", "");
        String keyword = Constants.DEFAULT_KEYWORD.concat(playlistId);
        if (keyword.length() > Constants.MAX_KEYWORD_LENGTH) {
            keyword = keyword.substring(0, Constants.MAX_KEYWORD_LENGTH);
        }
        return keyword;
    }

}