1 files changed, 49 insertions, 0 deletions
diff --git a/src/uk/org/ury/library/exceptions/EmptySearchException.java b/src/uk/org/ury/library/exceptions/EmptySearchException.java
new file mode 100644
index 0000000..9b4691f
--- /dev/null
+++ b/src/uk/org/ury/library/exceptions/EmptySearchException.java
@@ -0,0 +1,49 @@
+/**
+ * 
+ */
+package uk.org.ury.library.exceptions;
+
+/**
+ * Exception thrown when a library search is initiated 
+ * in which the query string is null.
+ * 
+ * Frontends should handle this nicely.  Do NOT treat this 
+ * as a fatal error!
+ * 
+ * @author Matt Windsor
+ */
+
+public class EmptySearchException extends Exception
+{
+  
+  /**
+   * Change this!  ---v
+   */
+  
+  private static final long serialVersionUID = -397479334359858162L;
+
+
+  /**
+   * Construct a new EmptySearchException with a 
+   * default reason.
+   */
+  
+  public
+  EmptySearchException ()
+  {
+    super ("Query string was empty.");
+  }
+  
+  
+  /**
+   * Construct a new EmptySearchException.
+   * 
+   * @param reason  The explanation for the exception.
+   */
+  
+  public
+  EmptySearchException (String reason)
+  {
+    super (reason);
+  }
+}