Zabbix

/*

** Zabbix

** Copyright (C) 2001-2025 Zabbix SIA

**

** 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.

**/

​

package zbxerr

​

import (

    "errors"

    "unicode"

)

​

type ZabbixError struct {

    err   error

    cause error

}

​

// New creates a new ZabbixError

func New(msg string) ZabbixError {

    return ZabbixError{errors.New(msg), nil}

}

​

// Wrap creates a new ZabbixError with wrapped cause

func (e ZabbixError) Wrap(cause error) error {

    return ZabbixError{err: e, cause: cause}

}

​

// Unwrap extracts an original underlying error

func (e ZabbixError) Unwrap() error {

    return e.err

}

​

// Cause returns a cause of original error

func (e ZabbixError) Cause() error {

    return e.cause

}

​

// Error stringifies an error according to Zabbix requirements:

// * the first letter must be capitalized;

// * an error text should be trailed by a dot.

func (e ZabbixError) Error() string {

    var msg string

​

    ucFirst := func(str string) string {

        for i, v := range str {

            return string(unicode.ToUpper(v)) + str[i+1:]

        }

​

        return ""