Cleanup

1 files changed, 21 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/ioutils/DuplicateKeys.java b/base/src/main/java/bjc/utils/ioutils/DuplicateKeys.java
new file mode 100644
index 0000000..604cc69
--- /dev/null
+++ b/base/src/main/java/bjc/utils/ioutils/DuplicateKeys.java
@@ -0,0 +1,21 @@
+package bjc.utils.ioutils;
+
+/**
+ * Exception thrown when there is a duplicate key, when they are forbidden.
+ *
+ * @author 15405
+ *
+ */
+public class DuplicateKeys extends RuntimeException {
+	private static final long serialVersionUID = -5521190136366024804L;
+
+	/**
+	 * Create a new duplicate key exception.
+	 *
+	 * @param keyName
+	 *                The name of the key that has been duplicated.
+	 */
+	public DuplicateKeys(String keyName) {
+		super(String.format("Duplicate value encountered for key '%s'", keyName));
+	}
+}
\ No newline at end of file