Java String Sanitize sanitizeInput(String input)

Description

"Sanitizes" the given input by replacing any new line characters with spaces.

License

Open Source License

Parameter

Parameter	Description
input	a parameter
forbiddenChars	a parameter
replacement	a parameter

Declaration

public static String sanitizeInput(String input) 

Method Source Code

//package com.java2s;
/*//ww w .ja  va  2 s  .c  o  m
 * YAJHFC - Yet another Java Hylafax client
 * Copyright (C) 2005-2007 Jonas Wolz
 *
 * This program 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 2
 * 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 General Public License for more details.
     
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

public class Main {
    /**
     * "Sanitizes" the given input by replacing any new line characters with spaces.
     * @param input
     * @param forbiddenChars
     * @param replacement
     */
    public static String sanitizeInput(String input) {
        return sanitizeInput(input, "\r\n", ' ', 255);
    }

    /**
     * "Sanitizes" the given input by replacing all characters in forbiddenChars with replacement
     * @param input the input string
     * @param forbiddenChars chars to filter out
     * @param replacement char to replace filtered chars with
     * @param maxLen the maximum allowed length of the output or 0 for unlimited length 
     */
    public static String sanitizeInput(String input, String forbiddenChars, char replacement, int maxLen) {
        if (input == null)
            return null;
        if (maxLen > 0 && input.length() > maxLen)
            input = input.substring(0, maxLen);

        char[] chars = input.toCharArray();
        boolean changed = false;
        for (int i = 0; i < chars.length; i++) {
            if (forbiddenChars.indexOf(chars[i]) >= 0) {
                chars[i] = replacement;
                changed = true;
            }
        }

        if (changed) {
            return new String(chars);
        } else {
            return input;
        }
    }
}

Related

1. sanitizeHeader(String header)
2. sanitizeID(String name)
3. sanitizeIdentifier(String identifier)
4. sanitizeIdentifierName(String input)
5. sanitizeIDs(String str)
6. sanitizeInput(String string)
7. sanitizeJavascript(String originalString)
8. sanitizeLine(String line)
9. sanitizeLineSpaces(String line)