From d3ad3a2e66a543f2bc71d1d2d76cc2ee397c6217 Mon Sep 17 00:00:00 2001
From: Michael Zalewski <mez5001@psu.edu>
Date: Mon, 30 Apr 2018 16:37:51 -0400
Subject: [PATCH] Adding ScimExtensionUtil.java

---
 .../psu/swe/scim/util/ScimExtensionUtil.java  | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 scim-client/src/main/java/edu/psu/swe/scim/util/ScimExtensionUtil.java

diff --git a/scim-client/src/main/java/edu/psu/swe/scim/util/ScimExtensionUtil.java b/scim-client/src/main/java/edu/psu/swe/scim/util/ScimExtensionUtil.java
new file mode 100644
index 0000000..05f036f
--- /dev/null
+++ b/scim-client/src/main/java/edu/psu/swe/scim/util/ScimExtensionUtil.java
@@ -0,0 +1,40 @@
+package edu.psu.swe.scim.util;
+
+import java.util.Collection;
+import java.util.Map;
+
+import edu.psu.swe.scim.spec.extension.ScimExtensionRegistry;
+import edu.psu.swe.scim.spec.resources.ScimExtension;
+import edu.psu.swe.scim.spec.resources.ScimResource;
+
+/**
+ * 
+ * @author mez5001
+ *
+ * This class exposes the SCIM extension methods without requiring that the project using the client knows 
+ * how the ScimExtensionRegistry works
+ */
+public class ScimExtensionUtil {
+
+  /**
+   * Register a single extension for a single resource 
+   * @param rClass ScimResource class
+   * @param eClass Extension class
+   */
+  public static void registerExtension(Class<? extends ScimResource> rClass, Class<? extends ScimExtension> eClass) {
+    ScimExtensionRegistry.getInstance().registerExtension(rClass, eClass);
+  }
+  
+  /**
+   * Register multiple extensions through a map
+   * @param extensions Map containing all of the ScimResources and the accompanying Extensions
+   */
+  public static void registerExtensions(Map<Class<? extends ScimResource>, Collection<Class<? extends ScimExtension>>> extensions) {
+    for(Map.Entry<Class<? extends ScimResource>, Collection<Class<? extends ScimExtension>>> entry : extensions.entrySet()) {
+      Class<? extends ScimResource> resource = entry.getKey();
+      for(Class<? extends ScimExtension> extension : entry.getValue()) {
+        ScimExtensionRegistry.getInstance().registerExtension(resource, extension);
+      }
+    }
+  }
+}