1 files changed, 27 insertions, 0 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/QueryUtils.java b/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/QueryUtils.java
new file mode 100644
index 0000000..c46e32d
--- /dev/null
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/querysigner/QueryUtils.java
@@ -0,0 +1,27 @@
+package pl.edu.mimuw.cloudatlas.querysigner;
+
+import pl.edu.mimuw.cloudatlas.model.ValueQuery;
+
+import java.rmi.RemoteException;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class QueryUtils {
+
+    public static void validateQueryName(String queryName) throws RemoteException {
+        Pattern queryNamePattern = Pattern.compile("&[a-zA-Z][\\w_]*");
+        Matcher matcher = queryNamePattern.matcher(queryName);
+        if (!matcher.matches()) {
+            throw new RemoteException("Invalid query identifier");
+        }
+    }
+
+    public static QueryData constructQueryData(ValueQuery valueQuery) {
+        return new QueryData(
+                valueQuery.getCode(),
+                valueQuery.getSignature(),
+                valueQuery.getTimestamp(),
+                valueQuery.isInstalled()
+        );
+    }
+}