2 files changed, 96 insertions, 0 deletions
diff --git a/src/uk/org/ury/database/exceptions/ConnectionFailureException.java b/src/uk/org/ury/database/exceptions/ConnectionFailureException.java
new file mode 100644
index 0000000..030b24f
--- /dev/null
+++ b/src/uk/org/ury/database/exceptions/ConnectionFailureException.java
@@ -0,0 +1,44 @@
+/**
+ * 
+ */
+package uk.org.ury.database.exceptions;
+
+/**
+ * Exception thrown when the database backend fails to connect to
+ * the database server, in absence of a more specific exception.
+ * 
+ * @author Matt Windsor
+ */
+
+public class ConnectionFailureException extends Exception
+{
+ /**
+   * 
+   */
+  private static final long serialVersionUID = -7353531873142099828L;
+
+
+/**
+  * Construct a new ConnectionFailureException with a 
+  * default reason.
+  */
+ 
+ public
+ ConnectionFailureException ()
+ {
+   super ("Connection failure.");
+ }
+ 
+ 
+ /**
+  * Construct a new ConnectionFailureException.
+  * 
+  * @param reason  The explanation for the exception.
+  */
+ 
+ public
+ ConnectionFailureException (String reason)
+ {
+   super (reason);
+ }
+}
diff --git a/src/uk/org/ury/database/exceptions/MissingCredentialsException.java b/src/uk/org/ury/database/exceptions/MissingCredentialsException.java
new file mode 100644
index 0000000..2e45526
--- /dev/null
+++ b/src/uk/org/ury/database/exceptions/MissingCredentialsException.java
@@ -0,0 +1,52 @@
+/**
+ * 
+ */
+package uk.org.ury.database.exceptions;
+
+/**
+ * Exception thrown when the database credentials required to 
+ * log into the URY database under a user class are missing, 
+ * and thus the log-in cannot continue.
+ * 
+ * The best practice for handling a MissingCredentialsException 
+ * is to attempt to log into the database with a less privileged 
+ * user class or, if the credentials for read-only access are 
+ * missing, give up.
+ * 
+ * @author Matt Windsor
+ */
+
+public class MissingCredentialsException extends Exception
+{
+  
+  /**
+   *
+   */
+  
+  private static final long serialVersionUID = -397479334359858162L;
+
+
+  /**
+   * Construct a new MissingCredentialsException with a 
+   * default reason.
+   */
+  
+  public
+  MissingCredentialsException ()
+  {
+    super ("Missing credentials.");
+  }
+  
+  
+  /**
+   * Construct a new MissingCredentialsException.
+   * 
+   * @param reason  The explanation for the exception.
+   */
+  
+  public
+  MissingCredentialsException (String reason)
+  {
+    super (reason);
+  }
+}