class Serializer in Drupal 9

Same name in this branch

9 core/modules/jsonapi/src/Serializer/Serializer.php \Drupal\jsonapi\Serializer\Serializer
9 core/modules/rest/src/Plugin/views/style/Serializer.php \Drupal\rest\Plugin\views\style\Serializer

Same name and namespace in other branches

8 core/modules/rest/src/Plugin/views/style/Serializer.php \Drupal\rest\Plugin\views\style\Serializer

The style plugin for serialized output formats.

Plugin annotation


@ViewsStyle(
  id = "serializer",
  title = @Translation("Serializer"),
  help = @Translation("Serializes views row data using the Serializer component."),
  display_types = {"data"}
)

Hierarchy

class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
  - class \Drupal\views\Plugin\views\PluginBase implements DependentPluginInterface, ContainerFactoryPluginInterface, TrustedCallbackInterface, ViewsPluginInterface
    class \Drupal\views\Plugin\views\style\StylePluginBase
    class \Drupal\rest\Plugin\views\style\Serializer implements CacheableDependencyInterface

Expanded class hierarchy of Serializer

File

core/modules/rest/src/Plugin/views/style/Serializer.php, line 24

Namespace

Drupal\rest\Plugin\views\style

View source

class Serializer extends StylePluginBase implements CacheableDependencyInterface {

  /**
   * {@inheritdoc}
   */
  protected $usesRowPlugin = TRUE;

  /**
   * {@inheritdoc}
   */
  protected $usesGrouping = FALSE;

  /**
   * The serializer which serializes the views result.
   *
   * @var \Symfony\Component\Serializer\Serializer
   */
  protected $serializer;

  /**
   * The available serialization formats.
   *
   * @var array
   */
  protected $formats = [];

  /**
   * The serialization format providers, keyed by format.
   *
   * @var string[]
   */
  protected $formatProviders;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('serializer'), $container
      ->getParameter('serializer.formats'), $container
      ->getParameter('serializer.format_providers'));
  }

  /**
   * Constructs a Plugin object.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, SerializerInterface $serializer, array $serializer_formats, array $serializer_format_providers) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->definition = $plugin_definition + $configuration;
    $this->serializer = $serializer;
    $this->formats = $serializer_formats;
    $this->formatProviders = $serializer_format_providers;
  }

  /**
   * {@inheritdoc}
   */
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['formats'] = [
      'default' => [],
    ];
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);
    $form['formats'] = [
      '#type' => 'checkboxes',
      '#title' => $this
        ->t('Accepted request formats'),
      '#description' => $this
        ->t('Request formats that will be allowed in responses. If none are selected all formats will be allowed.'),
      '#options' => $this
        ->getFormatOptions(),
      '#default_value' => $this->options['formats'],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function submitOptionsForm(&$form, FormStateInterface $form_state) {
    parent::submitOptionsForm($form, $form_state);
    $formats = $form_state
      ->getValue([
      'style_options',
      'formats',
    ]);
    $form_state
      ->setValue([
      'style_options',
      'formats',
    ], array_filter($formats));
  }

  /**
   * {@inheritdoc}
   */
  public function render() {
    $rows = [];

    // If the Data Entity row plugin is used, this will be an array of entities
    // which will pass through Serializer to one of the registered Normalizers,
    // which will transform it to arrays/scalars. If the Data field row plugin
    // is used, $rows will not contain objects and will pass directly to the
    // Encoder.
    foreach ($this->view->result as $row_index => $row) {
      $this->view->row_index = $row_index;
      $rows[] = $this->view->rowPlugin
        ->render($row);
    }
    unset($this->view->row_index);

    // Get the content type configured in the display or fallback to the
    // default.
    if (empty($this->view->live_preview)) {
      $content_type = $this->displayHandler
        ->getContentType();
    }
    else {
      $content_type = !empty($this->options['formats']) ? reset($this->options['formats']) : 'json';
    }
    return $this->serializer
      ->serialize($rows, $content_type, [
      'views_style_plugin' => $this,
    ]);
  }

  /**
   * Gets a list of all available formats that can be requested.
   *
   * This will return the configured formats, or all formats if none have been
   * selected.
   *
   * @return array
   *   An array of formats.
   */
  public function getFormats() {
    return $this->options['formats'];
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheMaxAge() {
    return Cache::PERMANENT;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheContexts() {
    return [
      'request_format',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheTags() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    $dependencies = parent::calculateDependencies();
    $formats = $this
      ->getFormats();
    $providers = array_intersect_key($this->formatProviders, array_flip($formats));

    // The plugin always uses services from the serialization module.
    $providers[] = 'serialization';
    $dependencies += [
      'module' => [],
    ];
    $dependencies['module'] = array_merge($dependencies['module'], $providers);
    return $dependencies;
  }

  /**
   * Returns an array of format options.
   *
   * @return string[]
   *   An array of format options. Both key and value are the same.
   */
  protected function getFormatOptions() {
    $formats = array_keys($this->formatProviders);
    return array_combine($formats, $formats);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$definition	public	property	Plugins's definition.
PluginBase::$displayHandler	public	property	The display object this plugin is for.
PluginBase::$options	public	property	Options for this plugin will be held here.
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::$renderer	protected	property	Stores the render API renderer.	3
PluginBase::$view	public	property	The top object of a view.	1
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::doFilterByDefinedOptions	protected	function	Do the work to filter out stored options depending on the defined options.
PluginBase::filterByDefinedOptions	public	function	Filter out stored options depending on the defined options. Overrides ViewsPluginInterface::filterByDefinedOptions
PluginBase::getAvailableGlobalTokens	public	function	Returns an array of available token replacements. Overrides ViewsPluginInterface::getAvailableGlobalTokens
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	2
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::getProvider	public	function	Returns the plugin provider. Overrides ViewsPluginInterface::getProvider
PluginBase::getRenderer	protected	function	Returns the render API renderer.	1
PluginBase::globalTokenForm	public	function	Adds elements for available core tokens to a form. Overrides ViewsPluginInterface::globalTokenForm
PluginBase::globalTokenReplace	public	function	Returns a string with any core tokens replaced. Overrides ViewsPluginInterface::globalTokenReplace
PluginBase::INCLUDE_ENTITY		constant	Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED		constant	Include negotiated languages when listing languages.
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginBase::listLanguages	protected	function	Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle	public	function	Return the human readable name of the display. Overrides ViewsPluginInterface::pluginTitle
PluginBase::preRenderAddFieldsetMarkup	public static	function	Moves form elements into fieldsets for presentation purposes. Overrides ViewsPluginInterface::preRenderAddFieldsetMarkup
PluginBase::preRenderFlattenData	public static	function	Flattens the structure of form elements. Overrides ViewsPluginInterface::preRenderFlattenData
PluginBase::queryLanguageSubstitutions	public static	function	Returns substitutions for Views queries for languages.
PluginBase::setOptionDefaults	protected	function	Fills up the options of the plugin with defaults.
PluginBase::summaryTitle	public	function	Returns the summary of the settings in the display. Overrides ViewsPluginInterface::summaryTitle	6
PluginBase::themeFunctions	public	function	Provide a full list of possible theme templates used by this style. Overrides ViewsPluginInterface::themeFunctions	1
PluginBase::unpackOptions	public	function	Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. Overrides ViewsPluginInterface::unpackOptions
PluginBase::usesOptions	public	function	Returns the usesOptions property. Overrides ViewsPluginInterface::usesOptions	8
PluginBase::viewsTokenReplace	protected	function	Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin.	1
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT		constant	Query string to indicate the site default language.
Serializer::$formatProviders	protected	property	The serialization format providers, keyed by format.
Serializer::$formats	protected	property	The available serialization formats.
Serializer::$serializer	protected	property	The serializer which serializes the views result.
Serializer::$usesGrouping	protected	property	Does the style plugin support grouping of rows. Overrides StylePluginBase::$usesGrouping
Serializer::$usesRowPlugin	protected	property	Whether or not this style uses a row plugin. Overrides StylePluginBase::$usesRowPlugin
Serializer::buildOptionsForm	public	function	Provide a form to edit options for this plugin. Overrides StylePluginBase::buildOptionsForm
Serializer::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies
Serializer::create	public static	function	Creates an instance of the plugin. Overrides PluginBase::create
Serializer::defineOptions	protected	function	Information about options for all kinds of purposes will be held here. Overrides StylePluginBase::defineOptions
Serializer::getCacheContexts	public	function	The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts
Serializer::getCacheMaxAge	public	function	The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge
Serializer::getCacheTags	public	function	The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags
Serializer::getFormatOptions	protected	function	Returns an array of format options.
Serializer::getFormats	public	function	Gets a list of all available formats that can be requested.
Serializer::render	public	function	Render the display in this style. Overrides StylePluginBase::render
Serializer::submitOptionsForm	public	function	Handle any special handling on the validate form. Overrides PluginBase::submitOptionsForm
Serializer::__construct	public	function	Constructs a Plugin object. Overrides PluginBase::__construct
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
StylePluginBase::$defaultFieldLabels	protected	property	Should field labels be enabled by default.	1
StylePluginBase::$groupingTheme	protected	property	The theme function used to render the grouping set.
StylePluginBase::$rendered_fields	protected	property	Stores the rendered field values, keyed by the row index and field name.
StylePluginBase::$rowTokens	protected	property	Store all available tokens row rows.
StylePluginBase::$usesFields	protected	property	Does the style plugin for itself support to add fields to its output.	3
StylePluginBase::$usesOptions	protected	property	Denotes whether the plugin has an additional options form. Overrides PluginBase::$usesOptions
StylePluginBase::$usesRowClass	protected	property	Does the style plugin support custom css class for the rows.	3
StylePluginBase::buildSort	public	function	Called by the view builder to see if this style handler wants to interfere with the sorts. If so it should build; if it returns any non-TRUE value, normal sorting will NOT be added to the query.	1
StylePluginBase::buildSortPost	public	function	Called by the view builder to let the style build a second set of sorts that will come after any other sorts in the view.	1
StylePluginBase::defaultFieldLabels	public	function	Return TRUE if this style enables field labels by default.	1
StylePluginBase::destroy	public	function	Clears a plugin. Overrides PluginBase::destroy
StylePluginBase::elementPreRenderRow	public	function	#pre_render callback for view row field rendering.
StylePluginBase::evenEmpty	public	function	Should the output of the style plugin be rendered even if it's an empty view.	2
StylePluginBase::getField	public	function	Gets a rendered field.
StylePluginBase::getFieldValue	public	function	Get the raw field value.
StylePluginBase::getRowClass	public	function	Return the token replaced row class for the specified row.
StylePluginBase::init	public	function	Overrides \Drupal\views\Plugin\views\PluginBase::init(). Overrides PluginBase::init
StylePluginBase::preRender	public	function	Allow the style to do stuff before each row is rendered.
StylePluginBase::query	public	function	Add anything to the query that we might need to. Overrides PluginBase::query	1
StylePluginBase::renderFields	protected	function	Renders all of the fields for a given style and store them on the object.
StylePluginBase::renderGrouping	public	function	Group records as needed for rendering.
StylePluginBase::renderGroupingSets	public	function	Render the grouping sets.
StylePluginBase::renderRowGroup	protected	function	Renders a group of rows of the grouped view.
StylePluginBase::tokenizeValue	public	function	Take a value and apply token replacement logic to it.
StylePluginBase::trustedCallbacks	public static	function	Lists the trusted callbacks provided by the implementing class. Overrides PluginBase::trustedCallbacks
StylePluginBase::usesFields	public	function	Return TRUE if this style also uses fields.	3
StylePluginBase::usesGrouping	public	function	Returns the usesGrouping property.	3
StylePluginBase::usesRowClass	public	function	Returns the usesRowClass property.	3
StylePluginBase::usesRowPlugin	public	function	Returns the usesRowPlugin property.	10
StylePluginBase::usesTokens	public	function	Return TRUE if this style uses tokens.
StylePluginBase::validate	public	function	Validate that the plugin is correct and can be saved. Overrides PluginBase::validate
StylePluginBase::validateOptionsForm	public	function	Validate the options form. Overrides PluginBase::validateOptionsForm
StylePluginBase::wizardForm Deprecated	public	function	Provide a form in the views wizard if this style is selected.
StylePluginBase::wizardSubmit	public	function	Alter the options of a display before they are added to the view.	1
TrustedCallbackInterface::THROW_EXCEPTION		constant	Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION		constant	Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING		constant	Untrusted callbacks trigger E_USER_WARNING errors.

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class Serializer in Drupal 9

Plugin annotation

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