Dépôt officiel du code source de l'ERP OpenConcerto

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2011-2019 OpenConcerto, by ILM Informatique. All rights reserved.
 * 
 * The contents of this file are subject to the terms of the GNU General Public License Version 3
 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each file.
 */
 
 package org.openconcerto.erp.gs1;

public class ISO646 {
    public static final String ALLOWED_CHARS = "!\"%&'()*+,-./01234567989:;<=>?ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz";

    public static boolean isValid(char c) {
        final int length = ALLOWED_CHARS.length();
        for (int i = 0; i < length; i++) {
            if (c == ALLOWED_CHARS.charAt(i)) {
                return true;
            }
        }
        return false;
    }

    public static String clean(String s) {
        final int length = s.length();
        final StringBuilder b = new StringBuilder(length);
        for (int i = 0; i < length; i++) {
            final char charAt = s.charAt(i);
            if (isValid(charAt)) {
                b.append(s.charAt(i));
            } else {
                b.append('_');
            }
        }
        return b.toString();
    }

}