Dépôt officiel du code source de l'ERP OpenConcerto

    public final String getNextCodeLettragePartiel() {

        SQLRow rowNum = this.getTable().getRow(2);

        final String string = rowNum.getString("CODE_LETTRAGE_PARTIEL");

        String s = (string == null) ? "" : string.trim().toLowerCase();

        return getNextCodeLettragePartiel(s);

    }

    public static final String getNextCodeLettragePartiel(String code) {

        code = code.trim();

        if (code == null || code.length() == 0) {

            return "aaa";

        } else {

            char[] charArray = code.toCharArray();

            char c = 'a';

            int i = charArray.length - 1;

            while (i >= 0 && (c = charArray[i]) == 'z') {

                i--;

            }

            if (i >= 0) {

                c++;

                charArray[i] = c;

                for (int j = i + 1; j < charArray.length; j++) {

                    charArray[j] = 'a';

                }

                code = String.valueOf(charArray);

            } else {

                // On ajoute une lettre

                final StringBuffer buf = new StringBuffer(code.length() + 1);

                final int nb = code.length() + 1;

                for (int j = 0; j < nb; j++) {

                    buf.append('a');

                }

                code = buf.toString();

            }

            return code;

        }

    }