<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Mime;

use Symfony\Component\Mime\Exception\RuntimeException;
use Symfony\Component\Mime\Part\DataPart;
use Symfony\Component\Mime\Part\Multipart\AlternativePart;
use Symfony\Component\Mime\Part\Multipart\MixedPart;
use Symfony\Component\Mime\Part\Multipart\RelatedPart;
use Symfony\Component\Mime\Part\TextPart;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
final class MessageConverter
{
    /**
     * @throws RuntimeException when unable to convert the message to an email
     */
    public static function toEmail(Message $message): Email
    {
        if ($message instanceof Email) {
            return $message;
        }

        // try to convert to a "simple" Email instance
        $body = $message->getBody();
        if ($body instanceof TextPart) {
            return self::createEmailFromTextPart($message, $body);
        }

        if ($body instanceof AlternativePart) {
            return self::createEmailFromAlternativePart($message, $body);
        }

        if ($body instanceof RelatedPart) {
            return self::createEmailFromRelatedPart($message, $body);
        }

        if ($body instanceof MixedPart) {
            $parts = $body->getParts();
            if ($parts[0] instanceof RelatedPart) {
                $email = self::createEmailFromRelatedPart($message, $parts[0]);
            } elseif ($parts[0] instanceof AlternativePart) {
                $email = self::createEmailFromAlternativePart($message, $parts[0]);
            } elseif ($parts[0] instanceof TextPart) {
                $email = self::createEmailFromTextPart($message, $parts[0]);
            } else {
                throw new RuntimeException(\sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message)));
            }

            return self::addParts($email, \array_slice($parts, 1));
        }

        throw new RuntimeException(\sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message)));
    }

    private static function createEmailFromTextPart(Message $message, TextPart $part): Email
    {
        if ('text' === $part->getMediaType() && 'plain' === $part->getMediaSubtype()) {
            return (new Email(clone $message->getHeaders()))->text($part->getBody(), $part->getPreparedHeaders()->getHeaderParameter('Content-Type', 'charset') ?: 'utf-8');
        }
        if ('text' === $part->getMediaType() && 'html' === $part->getMediaSubtype()) {
            return (new Email(clone $message->getHeaders()))->html($part->getBody(), $part->getPreparedHeaders()->getHeaderParameter('Content-Type', 'charset') ?: 'utf-8');
        }

        throw new RuntimeException(\sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message)));
    }

    private static function createEmailFromAlternativePart(Message $message, AlternativePart $part): Email
    {
        $parts = $part->getParts();
        if (
            2 === \count($parts)
            && $parts[0] instanceof TextPart && 'text' === $parts[0]->getMediaType() && 'plain' === $parts[0]->getMediaSubtype()
            && $parts[1] instanceof TextPart && 'text' === $parts[1]->getMediaType() && 'html' === $parts[1]->getMediaSubtype()
        ) {
            return (new Email(clone $message->getHeaders()))
                ->text($parts[0]->getBody(), $parts[0]->getPreparedHeaders()->getHeaderParameter('Content-Type', 'charset') ?: 'utf-8')
                ->html($parts[1]->getBody(), $parts[1]->getPreparedHeaders()->getHeaderParameter('Content-Type', 'charset') ?: 'utf-8')
            ;
        }

        throw new RuntimeException(\sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message)));
    }

    private static function createEmailFromRelatedPart(Message $message, RelatedPart $part): Email
    {
        $parts = $part->getParts();
        if ($parts[0] instanceof AlternativePart) {
            $email = self::createEmailFromAlternativePart($message, $parts[0]);
        } elseif ($parts[0] instanceof TextPart) {
            $email = self::createEmailFromTextPart($message, $parts[0]);
        } else {
            throw new RuntimeException(\sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($message)));
        }

        return self::addParts($email, \array_slice($parts, 1));
    }

    private static function addParts(Email $email, array $parts): Email
    {
        foreach ($parts as $part) {
            if (!$part instanceof DataPart) {
                throw new RuntimeException(\sprintf('Unable to create an Email from an instance of "%s" as the body is too complex.', get_debug_type($email)));
            }

            $email->addPart($part);
        }

        return $email;
    }
}

• [D] Crypto
• [D] DependencyInjection
• [D] Encoder
• [D] Exception
• [D] Header
• [D] HtmlToTextConverter
• [D] Part
• [D] Resources
• [D] Test
• [F] Address.php
  Delete
• [F] BodyRendererInterface.php
  Delete
• [F] CHANGELOG.md
  Delete
• [F] CharacterStream.php
  Delete
• [F] composer.json
  Delete
• [F] DraftEmail.php
  Delete
• [F] Email.php
  Delete
• [F] FileBinaryMimeTypeGuesser.php
  Delete
• [F] FileinfoMimeTypeGuesser.php
  Delete
• [F] LICENSE
  Delete
• [F] Message.php
  Delete
• [F] MessageConverter.php
  Delete
• [F] MimeTypeGuesserInterface.php
  Delete
• [F] MimeTypes.php
  Delete
• [F] MimeTypesInterface.php
  Delete
• [F] RawMessage.php
  Delete
• [F] README.md
  Delete

CUSTOMER COMPLAINT FORM

Please use this form to give us suggestions, compliments or complaints.
Click here to check complaint status.
Click here to show Term of Business Agreement

• Config option 1
• Config option 2

Salutation *

-- Please Choose -- Mr. Mrs. Ms. PT. CV. UD.

Name *

E-mail *

Account Type *

-- Please Choose -- Individual Company

Company Name *

Reference Number of Type Document *

-- Please Choose -- Policy Contract Invoice Number

*

About *

-- Please Choose -- Claim Service System

Risk *

-- Please Choose --

Subject *

Details *

Attachment

Add Attachment

Notes: *.png, *.jpg, *.jpeg, *.pdf, *.doc, *.docx, *.xls, *.xlsx, *.ppt, *.pptx, *.eml are allowed, and size must be smaller than 5Mb.

   Disclaimer :

• The information filled in form is true and valid. PT Howden Insurance Brokers Indonesia is not liable to any lawful obligations arising from any false or invalid information in this application form whatsoever, all the false or invalid information will not be processed.
• The client hereby agree to render PT Howden Insurance Brokers Indonesia a right to handle complaint including but not limited to grab data from records, emails, documents, confidential data, and others, liaise with relatable Parties e.g. (Insurer, Adjuster, Legal Advisor, etc) to settled complaint.
• The client hereby released PT Howden Insurance Brokers Indonesia from any material or immaterial damages if eventually, there is no evidence of damages caused by PT Howden Insurance Brokers Indonesia.

* is required

Clear Submit

Copyright © 2026 PT. Howden Insurance Brokers Indonesia. All rights reserved.
Authorised and regulated by Otoritas Jasa Keuangan (OJK).
Member of The Association of Indonesian Insurance & Reinsurance Brokers (APPARINDO).