org.ow2.petals.binding.rest.StringHelper Maven / Gradle / Ivy

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/**
 * Copyright (c) 2007-2012 EBM WebSourcing, 2012-2020 Linagora
 * 
 * This program/library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 2.1 of the License, or (at your
 * option) any later version.
 * 
 * This program/library 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 Lesser General Public License
 * for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program/library; If not, see http://www.gnu.org/licenses/
 * for the GNU Lesser General Public License version 2.1.
 */
package org.ow2.petals.binding.rest;

public final class StringHelper {

    private StringHelper() {
        // Utility class --> private constructor
    }

    /**
     * Return a comma separated string from the specified string array
     * 
     * @param stringArray
     *            a string array
     * @return the corresponding comma separated string
     */
    public static final String listToString(final String[] stringArray) {
        final int stringArrayNb = stringArray.length;
        final StringBuilder stringList = new StringBuilder();
        int i;
        for (i = 0; i < stringArrayNb - 1; i++) {
            stringList.append(stringArray[i]);
            stringList.append(",");
        }
        if (stringArrayNb > 0) {
            stringList.append(stringArray[i]);
        }

        return stringList.toString();
    }
}