Separate the sync layer from its clients. #112

briar-api/src/org/briarproject/api/sync/ValidationManager.java

@@ -0,0 +1,13 @@
+package org.briarproject.api.sync;
+
+import org.briarproject.api.lifecycle.Service;
+
+/**
+ * Responsible for managing message validators and passing them messages to
+ * validate.
+ */
+public interface ValidationManager extends Service {
+
+	/** Sets the message validator for the given client. */
+	void setMessageValidator(ClientId c, MessageValidator v);
+}