Java Collection Join getNeoString(String columnName, String delimiter, Collection input, String join)

Description

get Neo String

License

Open Source License

Declaration

private static String getNeoString(String columnName, String delimiter, Collection<String> input, String join) 

Method Source Code

//package com.java2s;
/*/*from ww  w . jav a  2  s  . c o m*/
 *
 *  Copyright (c) 2012-2016 "FlockData LLC"
 *
 *  This file is part of FlockData.
 *
 *  FlockData 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.
 *
 *  FlockData 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 FlockData.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.Collection;

public class Main {
    private static String getNeoString(String columnName, String delimiter, Collection<String> input, String join) {
        String result = "";//(delimiter.equals(":")? ":": "");
        for (String field : input) {
            if (field != null) {
                // ToDo: Fix this hack
                if (field.equals("User"))
                    field = "_FortressUser";
                if (requiresQuoting(field))
                    field = "`" + field + "`";

                if (result.equals(delimiter) || result.equals(""))
                    result = result + (columnName != null ? columnName + delimiter : "") + field + "";
                else
                    result = result + join + (columnName != null ? columnName : "") + delimiter + field;
            }
        }
        if (result.equals(delimiter))
            result = "";
        return result;
    }

    /**
     *
     * @param string to analyze
     * @return true if the string requires quoting in the world of Cypher
     */
    public static boolean requiresQuoting(String string) {
        return string.contains(" ") || string.contains("-") || string.contains(".")
                || string.matches("^[\\d\\-\\.]+$");
    }
}

Related

1. implode(Collection items, String join)
2. internalJoin(String sep, Collection