Argument.php

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<?php
namespace TYPO3\CMS\Extbase\Mvc\Controller;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

use TYPO3\CMS\Extbase\Property\Exception\TargetNotFoundException;
use TYPO3\CMS\Extbase\Utility\TypeHandlingUtility;

class Argument
{
    protected $propertyMapper;

    protected $propertyMappingConfiguration;

    protected $name = '';

    protected $shortName = null;

    protected $dataType = null;

    protected $isRequired = false;

    protected $value = null;

    protected $defaultValue = null;

    protected $validator = null;

    protected $validationResults = null;

    public function injectPropertyMapper(\TYPO3\CMS\Extbase\Property\PropertyMapper $propertyMapper)
    {
        $this->propertyMapper = $propertyMapper;
    }

    public function injectPropertyMappingConfiguration(MvcPropertyMappingConfiguration $propertyMappingConfiguration)
    {
        $this->propertyMappingConfiguration = $propertyMappingConfiguration;
    }

    public function __construct($name, $dataType)
    {
        if (!is_string($name)) {
            throw new \InvalidArgumentException('$name must be of type string, ' . gettype($name) . ' given.', 1187951688);
        }
        if ($name === '') {
            throw new \InvalidArgumentException('$name must be a non-empty string.', 1232551853);
        }
        $this->name = $name;
        $this->dataType = TypeHandlingUtility::normalizeType($dataType);
    }

    public function getName()
    {
        return $this->name;
    }

    public function setShortName($shortName)
    {
        if ($shortName !== null && (!is_string($shortName) || strlen($shortName) !== 1)) {
            throw new \InvalidArgumentException('$shortName must be a single character or NULL', 1195824959);
        }
        $this->shortName = $shortName;
        return $this;
    }

    public function getShortName()
    {
        return $this->shortName;
    }

    public function getDataType()
    {
        return $this->dataType;
    }

    public function setRequired($required)
    {
        $this->isRequired = (bool)$required;
        return $this;
    }

    public function isRequired()
    {
        return $this->isRequired;
    }

    public function setDefaultValue($defaultValue)
    {
        $this->defaultValue = $defaultValue;
        return $this;
    }

    public function getDefaultValue()
    {
        return $this->defaultValue;
    }

    public function setValidator(\TYPO3\CMS\Extbase\Validation\Validator\ValidatorInterface $validator)
    {
        $this->validator = $validator;
        return $this;
    }

    public function getValidator()
    {
        return $this->validator;
    }

    public function setValue($rawValue)
    {
        if ($rawValue === null) {
            $this->value = null;
            return $this;
        }
        if (is_object($rawValue) && $rawValue instanceof $this->dataType) {
            $this->value = $rawValue;
            return $this;
        }
        try {
            $this->value = $this->propertyMapper->convert($rawValue, $this->dataType, $this->propertyMappingConfiguration);
        } catch (TargetNotFoundException $e) {
            // for optional arguments no exeption is thrown.
            if ($this->isRequired()) {
                throw $e;
            }
        }
        $this->validationResults = $this->propertyMapper->getMessages();
        if ($this->validator !== null) {
            // @todo Validation API has also changed!!!
            $validationMessages = $this->validator->validate($this->value);
            $this->validationResults->merge($validationMessages);
        }
        return $this;
    }

    public function getValue()
    {
        if ($this->value === null) {
            return $this->defaultValue;
        } else {
            return $this->value;
        }
    }

    public function getPropertyMappingConfiguration()
    {
        return $this->propertyMappingConfiguration;
    }

    public function isValid()
    {
        return !$this->validationResults->hasErrors();
    }

    public function getValidationResults()
    {
        return $this->validationResults;
    }

    public function __toString()
    {
        return (string)$this->value;
    }
}