public static String escapeValue()

in ldap/model/src/main/java/org/apache/directory/api/ldap/model/name/Rdn.java [1463:1571]
98 lines of code
49 McCabe index (conditional complexity)

    public static String escapeValue( String value )
    {
        if ( Strings.isEmpty( value ) )
        {
            return "";
        }

        char[] chars = value.toCharArray();
        char[] newChars = new char[chars.length * 3];
        int pos = 0;

        for ( int i = 0; i < chars.length; i++ )
        {
            switch ( chars[i] )
            {
                case ' ':
                    if ( ( i > 0 ) && ( i < chars.length - 1 ) )
                    {
                        newChars[pos++] = chars[i];
                    }
                    else
                    {
                        newChars[pos++] = '\\';
                        newChars[pos++] = chars[i];
                    }

                    break;

                case '#':
                    if ( i != 0 )
                    {
                        newChars[pos++] = chars[i];
                    }
                    else
                    {
                        newChars[pos++] = '\\';
                        newChars[pos++] = chars[i];
                    }

                    break;

                case '"':
                case '+':
                case ',':
                case ';':
                case '=':
                case '<':
                case '>':
                case '\\':
                    newChars[pos++] = '\\';
                    newChars[pos++] = chars[i];
                    break;

                case 0x7F:
                    newChars[pos++] = '\\';
                    newChars[pos++] = '7';
                    newChars[pos++] = 'F';
                    break;

                case 0x00:
                case 0x01:
                case 0x02:
                case 0x03:
                case 0x04:
                case 0x05:
                case 0x06:
                case 0x07:
                case 0x08:
                case 0x09:
                case 0x0A:
                case 0x0B:
                case 0x0C:
                case 0x0D:
                case 0x0E:
                case 0x0F:
                    newChars[pos++] = '\\';
                    newChars[pos++] = '0';
                    newChars[pos++] = Strings.dumpHex( ( byte ) ( chars[i] & 0x0F ) );
                    break;

                case 0x10:
                case 0x11:
                case 0x12:
                case 0x13:
                case 0x14:
                case 0x15:
                case 0x16:
                case 0x17:
                case 0x18:
                case 0x19:
                case 0x1A:
                case 0x1B:
                case 0x1C:
                case 0x1D:
                case 0x1E:
                case 0x1F:
                    newChars[pos++] = '\\';
                    newChars[pos++] = '1';
                    newChars[pos++] = Strings.dumpHex( ( byte ) ( chars[i] & 0x0F ) );
                    break;

                default:
                    newChars[pos++] = chars[i];
                    break;
            }
        }

        return new String( newChars, 0, pos );
    }