Java String Clean cleanStringForJavaName(String original)

Description

clean String For Java Name

License

Creative Commons License

Declaration

public static String cleanStringForJavaName(String original) 

Method Source Code

//package com.java2s;
/*// w ww . jav a  2s  .  co m
 * This software is in the public domain under CC0 1.0 Universal plus a
 * Grant of Patent License.
 *
 * To the extent possible under law, the author(s) have dedicated all
 * copyright and related and neighboring rights to this software to the
 * public domain worldwide. This software is distributed without any
 * warranty.
 *
 * You should have received a copy of the CC0 Public Domain Dedication
 * along with this software (see the LICENSE.md file). If not, see
 * <http://creativecommons.org/publicdomain/zero/1.0/>.
 */

public class Main {
    public static String cleanStringForJavaName(String original) {
        if (original == null || original.isEmpty())
            return original;
        char[] origChars = original.toCharArray();
        char[] cleanChars = new char[origChars.length];
        boolean isIdentifierStart = true;
        for (int i = 0; i < origChars.length; i++) {
            char curChar = origChars[i];
            // remove dots too, get down to simple class name to work best with Groovy class compiling and loading
            // if (curChar == '.') { cleanChars[i] = '.'; isIdentifierStart = true; continue; }
            // also don't allow $ as groovy blows up on it with class compile/load
            if (curChar != '$' && (isIdentifierStart ? Character.isJavaIdentifierStart(curChar)
                    : Character.isJavaIdentifierPart(curChar))) {
                cleanChars[i] = curChar;
            } else {
                cleanChars[i] = '_';
            }
            isIdentifierStart = false;
        }
        // logger.warn("cleaned " + original + " to " + new String(cleanChars));
        return new String(cleanChars);
    }
}

Related

1. cleanStringArrayChar(String value)
2. cleanStringByLikeWithHSQL(String input)
3. cleanStringCamelCase(String in)
4. cleanStringForFilename(String originalString)
5. cleanStringForFilePath(final String dirty)
6. cleanStringFromWhitespaces(String text)
7. cleanText(final String input)
8. cleanText(String s)
9. cleanText(String s)