Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2012 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * @return true if the string is blank filled (space char filled)
     */
    public static boolean isBlank(String s) {
        return (s.trim().length() == 0);
    }

    /**
     * trim String (if not null)
     * @param s String to trim
     * @return String (may be null)
     */
    public static String trim(String s) {
        return s != null ? s.trim() : null;
    }

    /**
     * Trims a byte[] to a certain length
     * @param array the byte[] to be trimmed
     * @param length the wanted length
     * @return the trimmed byte[]
     */
    public static byte[] trim(byte[] array, int length) {
        byte[] trimmedArray = new byte[length];
        System.arraycopy(array, 0, trimmedArray, 0, length);
        return trimmedArray;
    }
}