Passed
Push — 1.0.0 ( a0ab23...1b586d )
by Zaahid
04:13
created

MimePartHeaderTrait::getHeaderValue()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 7
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 0
Metric Value
cc 2
eloc 4
nc 2
nop 2
dl 0
loc 7
ccs 5
cts 5
cp 1
crap 2
rs 9.4285
c 0
b 0
f 0
1
<?php
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/**
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 * This file is part of the ZBateson\MailMimeParser project.
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 *
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 * @license http://opensource.org/licenses/bsd-license.php BSD
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 */
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namespace ZBateson\MailMimeParser\Message\Part;
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use ZBateson\MailMimeParser\Header\HeaderFactory;
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use ZBateson\MailMimeParser\Header\ParameterHeader;
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/**
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 * Header related methods attached to a mime part.
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 *
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 * @author Zaahid Bateson
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 */
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trait MimePartHeaderTrait
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{
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    /**
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     * @var HeaderFactory the HeaderFactory object used for created headers
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     */
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    protected $headerFactory;
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    /**
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     * @var string[][] array of headers, with keys set to lower-cased,
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     *      alphanumeric characters of the header's name, and values set to an
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     *      array of 2 elements, the first being the header's original name with
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     *      non-alphanumeric characters and original case, and the second set to
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     *      the header's value.
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     */
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    protected $rawHeaders;
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    /**
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     * @var \ZBateson\MailMimeParser\Header\AbstractHeader[] array of parsed
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     * header objects populated on-demand, the key is set to the header's name
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     * lower-cased, and with non-alphanumeric characters removed.
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     */
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    protected $headers;
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    /**
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     * @param HeaderFactory $headerFactory
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     */
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    public function __construct(HeaderFactory $headerFactory, PartBuilder $partBuilder) {
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        $this->headerFactory = $headerFactory;
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        $this->headers['contenttype'] = $partBuilder->getContentType();
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        $this->rawHeaders = $partBuilder->getRawHeaders();
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    }
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    /**
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     * Returns the AbstractHeader object for the header with the given $name
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     *
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     * Note that mime headers aren't case sensitive.
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     *
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     * @param string $name
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     * @return \ZBateson\MailMimeParser\Header\AbstractHeader
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     */
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    public function getHeader($name)
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    {
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        $nameKey = preg_replace('/[^a-z0-9]/', '', strtolower($name));
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        if (isset($this->rawHeaders[$nameKey])) {
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            if (!isset($this->headers[$nameKey])) {
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                $this->headers[$nameKey] = $this->headerFactory->newInstance(
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                    $this->rawHeaders[$nameKey][0],
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                    $this->rawHeaders[$nameKey][1]
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                );
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            }
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            return $this->headers[$nameKey];
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        }
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        return null;
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    }
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    /**
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     * Returns the string value for the header with the given $name.
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     *
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     * Note that mime headers aren't case sensitive.
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     *
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     * @param string $name
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     * @param string $defaultValue
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     * @return string
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     */
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    public function getHeaderValue($name, $defaultValue = null)
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    {
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        $header = $this->getHeader($name);
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        if ($header !== null) {
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            return $header->getValue();
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        }
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        return $defaultValue;
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    }
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    /**
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     * Returns a parameter of the header $header, given the parameter named
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     * $param.
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     *
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     * Only headers of type
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     * \ZBateson\MailMimeParser\Header\ParameterHeader have parameters.
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     * Content-Type and Content-Disposition are examples of headers with
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     * parameters. "Charset" is a common parameter of Content-Type.
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     *
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     * @param string $header
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     * @param string $param
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     * @param string $defaultValue
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     * @return string
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     */
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    public function getHeaderParameter($header, $param, $defaultValue = null)
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    {
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        $obj = $this->getHeader($header);
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        if ($obj && $obj instanceof ParameterHeader) {
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            return $obj->getValueFor($param, $defaultValue);
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        }
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        return $defaultValue;
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    }
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}
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