1 files changed, 32 insertions, 0 deletions
diff --git a/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/stork2/AttributeProvider.java b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/stork2/AttributeProvider.java
new file mode 100644
index 000000000..2e4f2d8c5
--- /dev/null
+++ b/id/server/idserverlib/src/main/java/at/gv/egovernment/moa/id/protocols/stork2/AttributeProvider.java
@@ -0,0 +1,32 @@
+package at.gv.egovernment.moa.id.protocols.stork2;
+
+import javax.activation.UnsupportedDataTypeException;
+import javax.servlet.http.HttpServletRequest;
+
+import eu.stork.peps.auth.commons.PersonalAttribute;
+
+/**
+ * An {@link AttributeProvider} can fetch a set of stork attributes. It might complete the query within one method call,
+ * but might also need to redirect to another webservice to accomplish its task.
+ */
+public interface AttributeProvider {
+	
+	/**
+	 * Acquire the specified attribute. Returns {@code null} when attribute retrieval is in progress, but requires for
+	 * for redirecting the user to an external service. Use {@link AttributeProvider#parse(HttpServletRequest)} to parse
+	 * the response.
+	 *
+	 * @param attributeName the attribute name
+	 * @return the personal attribute
+	 * @throws UnsupportedDataTypeException when the provider cannot acquire the specified attribute
+	 */
+	public PersonalAttribute acquire(String attributeName) throws UnsupportedAttributeException;
+
+	/**
+	 * Parses the response we got from the external attribute provider.
+	 *
+	 * @param httpReq the http req
+	 * @return the personal attribute
+	 */
+	public PersonalAttribute parse(HttpServletRequest httpReq);
+}