web/lib/Zend/Tool/Framework/Manifest/Repository.php
changeset 64 162c1de6545a
parent 19 1c2f13fd785c
child 68 ecaf28ffe26e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Tool/Framework/Manifest/Repository.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,313 @@
+<?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Repository.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+/**
+ * @see Zend_Tool_Framework_Registry_EnabledInterface
+ */
+require_once 'Zend/Tool/Framework/Registry/EnabledInterface.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Tool
+ * @copyright  Copyright (c) 2005-2010 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 $provider) {
+
+                // if provider is a string, try and load it as an object
+                if (is_string($provider)) {
+                    $provider = new $provider();
+                }
+                
+                if (!$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 $metadata) {
+                    if (is_array($metadata)) {
+                        if (!class_exists('Zend_Tool_Framework_Metadata_Dynamic')) {
+                            require_once 'Zend/Tool/Framework/Metadata/Dynamic.php';
+                        }
+                        $metadata = new Zend_Tool_Framework_Metadata_Dynamic($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);
+    }
+
+}