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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Tool
* @subpackage Framework
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Repository.php 18951 2009-11-12 16:26:19Z alexander $
*/
/**
* @see Zend_Tool_Framework_Registry_EnabledInterface
*/
require_once 'Zend/Tool/Framework/Registry/EnabledInterface.php';
/**
* @category Zend
* @package Zend_Tool
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Tool_Framework_Manifest_Repository
implements Zend_Tool_Framework_Registry_EnabledInterface, IteratorAggregate, Countable
{
/**
* @var Zend_Tool_Framework_Provider_Registry_Interface
*/
protected $_registry = null;
/**
* @var array
*/
protected $_manifests = array();
/**
* @var array Array of Zend_Tool_Framework_Metadata_Interface
*/
protected $_metadatas = array();
/**
* setRegistry()
*
* @param Zend_Tool_Framework_Registry_Interface $registry
* @return unknown
*/
public function setRegistry(Zend_Tool_Framework_Registry_Interface $registry)
{
$this->_registry = $registry;
return $this;
}
/**
* addManifest() - Add a manifest for later processing
*
* @param Zend_Tool_Framework_Manifest_Interface $manifest
* @return Zend_Tool_Framework_Manifest_Repository
*/
public function addManifest(Zend_Tool_Framework_Manifest_Interface $manifest)
{
// we need to get an index number so that manifests with
// higher indexes have priority over others
$index = count($this->_manifests);
if ($manifest instanceof Zend_Tool_Framework_Registry_EnabledInterface) {
$manifest->setRegistry($this->_registry);
}
// if the manifest supplies a getIndex() method, use it
if ($manifest instanceof Zend_Tool_Framework_Manifest_Indexable) {
$index = $manifest->getIndex();
}
// get the required objects from the framework registry
$actionRepository = $this->_registry->getActionRepository();
$providerRepository = $this->_registry->getProviderRepository();
// load providers if interface supports that method
if ($manifest instanceof Zend_Tool_Framework_Manifest_ProviderManifestable) {
$providers = $manifest->getProviders();
if (!is_array($providers)) {
$providers = array($providers);
}
foreach ($providers as $provider) {
if (!$provider instanceof Zend_Tool_Framework_Provider_Interface) {
require_once 'Zend/Tool/Framework/Manifest/Exception.php';
throw new Zend_Tool_Framework_Manifest_Exception(
'A provider provided by the ' . get_class($manifest)
. ' does not implement Zend_Tool_Framework_Provider_Interface'
);
}
if (!$providerRepository->hasProvider($provider, false)) {
$providerRepository->addProvider($provider);
}
}
}
// load actions if interface supports that method
if ($manifest instanceof Zend_Tool_Framework_Manifest_ActionManifestable) {
$actions = $manifest->getActions();
if (!is_array($actions)) {
$actions = array($actions);
}
foreach ($actions as $action) {
if (is_string($action)) {
$action = new Zend_Tool_Framework_Action_Base($action);
}
$actionRepository->addAction($action);
}
}
// should we detect collisions here? does it even matter?
$this->_manifests[$index] = $manifest;
ksort($this->_manifests);
return $this;
}
/**
* getManifests()
*
* @return Zend_Tool_Framework_Manifest_Interface[]
*/
public function getManifests()
{
return $this->_manifests;
}
/**
* addMetadata() - add a metadata peice by peice
*
* @param Zend_Tool_Framework_Manifest_Metadata $metadata
* @return Zend_Tool_Framework_Manifest_Repository
*/
public function addMetadata(Zend_Tool_Framework_Metadata_Interface $metadata)
{
$this->_metadatas[] = $metadata;
return $this;
}
/**
* process() - Process is expected to be called at the end of client construction time.
* By this time, the loader has run and loaded any found manifests into the repository
* for loading
*
* @return Zend_Tool_Framework_Manifest_Repository
*/
public function process()
{
foreach ($this->_manifests as $manifest) {
if ($manifest instanceof Zend_Tool_Framework_Manifest_MetadataManifestable) {
$metadatas = $manifest->getMetadata();
if (!is_array($metadatas)) {
$metadatas = array($metadatas);
}
foreach ($metadatas as $metadata) {
if (!$metadata instanceof Zend_Tool_Framework_Metadata_Interface) {
require_once 'Zend/Tool/Framework/Manifest/Exception.php';
throw new Zend_Tool_Framework_Manifest_Exception(
'A Zend_Tool_Framework_Metadata_Interface object was not found in manifest ' . get_class($manifest)
);
}
$this->addMetadata($metadata);
}
}
}
return $this;
}
/**
* getMetadatas() - This is the main search function for the repository.
*
* @example This will retrieve all metadata that matches the following criteria
* $manifestRepo->getMetadatas(array(
* 'providerName' => 'Version',
* 'actionName' => 'show'
* ));
*
* @param array $searchProperties
* @param bool $includeNonExistentProperties
* @return Zend_Tool_Framework_Manifest_Metadata[]
*/
public function getMetadatas(Array $searchProperties = array(), $includeNonExistentProperties = true)
{
$returnMetadatas = array();
// loop through the metadatas so that we can search each individual one
foreach ($this->_metadatas as $metadata) {
// each value will be retrieved from the metadata, each metadata should
// implement a getter method to retrieve the value
foreach ($searchProperties as $searchPropertyName => $searchPropertyValue) {
if (method_exists($metadata, 'get' . $searchPropertyName)) {
if ($metadata->{'get' . $searchPropertyName}() != $searchPropertyValue) {
// if the metadata supports a specific property but the value does not
// match, move on
continue 2;
}
} elseif (!$includeNonExistentProperties) {
// if the option $includeNonExitentProperties is false, then move on as
// we dont want to include this metadata if non existent
// search properties are not inside the target (current) metadata
continue 2;
}
}
// all searching has been accounted for, if we reach this point, then the metadata
// is good and we can return it
$returnMetadatas[] = $metadata;
}
return $returnMetadatas;
}
/**
* getMetadata() - This will proxy to getMetadatas(), but will only return a single metadata. This method
* should be used in situations where the search criteria is known to only find a single metadata object
*
* @param array $searchProperties
* @param bool $includeNonExistentProperties
* @return Zend_Tool_Framework_Manifest_Metadata
*/
public function getMetadata(Array $searchProperties = array(), $includeNonExistentProperties = true)
{
$metadatas = $this->getMetadatas($searchProperties, $includeNonExistentProperties);
return array_shift($metadatas);
}
/**
* __toString() - cast to string
*
* @return string
*/
public function __toString()
{
$metadatasByType = array();
foreach ($this->_metadatas as $metadata) {
if (!array_key_exists($metadata->getType(), $metadatasByType)) {
$metadatasByType[$metadata->getType()] = array();
}
$metadatasByType[$metadata->getType()][] = $metadata;
}
$string = '';
foreach ($metadatasByType as $type => $metadatas) {
$string .= $type . PHP_EOL;
foreach ($metadatas as $metadata) {
$metadataString = ' ' . $metadata->__toString() . PHP_EOL;
//$metadataString = str_replace(PHP_EOL, PHP_EOL . ' ', $metadataString);
$string .= $metadataString;
}
}
return $string;
}
/**
* count() - required by the Countable Interface
*
* @return int
*/
public function count()
{
return count($this->_metadatas);
}
/**
* getIterator() - required by the IteratorAggregate interface
*
* @return ArrayIterator
*/
public function getIterator()
{
return new ArrayIterator($this->_metadatas);
}
}
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