Merge pull request #37 from whikloj/updates-thinCollection

Updates for thin collection controller

src/Uuid/IUuidGenerator.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * This file is part of Islandora.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * PHP Version 5.5.9
+ *
+ * @category Islandora
+ * @package  Islandora
+ * @author   Daniel Lamb <daniel@discoverygarden.ca>
+ * @license  http://www.gnu.org/licenses/gpl-3.0.en.html GPL
+ * @link     http://www.islandora.ca
+ */
+
+namespace Islandora\Chullo\Uuid;
+
+/**
+ * Interface for generating UUIDs.
+ *
+ * @category Islandora
+ * @package  Islandora
+ * @author   Daniel Lamb <daniel@discoverygarden.ca>
+ * @license  http://www.gnu.org/licenses/gpl-3.0.en.html GPL
+ * @link     http://www.islandora.ca
+ */
+interface IUuidGenerator {
+
+    /**
+     * Generates a v4 UUID.
+     *
+     * @return String   Valid v4 UUID.
+     */
+    public function generateV4();
+
+    /**
+     * Generates a v5 UUID.
+     *
+     * @return String   Valid v5 UUID.
+     */
+    public function generateV5($name, $namespace = NULL);
+}

src/Uuid/UuidGenerator.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace Islandora\Chullo\Uuid;
+
+use Ramsey\Uuid\Uuid;
+
+/**
+ * Generator for v4 & v5 UUIDs.
+ */
+class UuidGenerator implements IUuidGenerator
+{
+    /**
+     * @var string $namespace
+     *   The UUID for this namespace.
+     */
+    protected $namespace;
+
+    /**
+     * @param string $namespace
+     *   The initial namespace for the Uuid Generator.
+     */
+    public function __construct($namespace = NULL) {
+        // Give sensible default namespace if none is provided.
+        if (empty($namespace)) {
+            $namespace = "islandora.ca";
+        }
+
+        // If we are passed a namespace UUID don't generate it.
+        if (Uuid::isValid($namespace)) {
+          $this->namespace = $namespace;
+        }
+        // Otherwise generate a namespace UUID from the passed in namespace.
+        else {
+          $this->namespace = Uuid::uuid5(Uuid::NAMESPACE_DNS, $namespace);
+        }
+    }
+
+    /**
+     * Generates a v4 UUID.
+     *
+     * @return String   Valid v4 UUID.
+     */
+    public function generateV4() {
+        return Uuid::uuid4()->toString();
+    }
+
+    /**
+     * Generates a v5 UUID.
+     *
+     * @param string $str
+     *   The word to generate the UUID with.
+     * @param string $namespace
+     *   A namespace
+     * @return String   Valid v5 UUID.
+     */
+    public function generateV5($str, $namespace = NULL) {
+        // Use default namespace if none is provided.
+        if (!empty($namespace)) {
+          // Is this a UUID already?
+          if (Uuid::isValid($namespace)) {
+            return Uuid::uuid5($namespace, $str)->toString();
+          }
+          else {
+            return Uuid::uuid5(Uuid::uuid5(Uuid::NAMESPACE_DNS, $namespace), $str)->toString();
+          }
+        }
+        else {
+          return Uuid::uuid5($this->namespace, $str)->toString();
+        }
+    }
+
+}