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-rw-r--r--dslog/UnsupportedVersionException.java12
1 files changed, 12 insertions, 0 deletions
diff --git a/dslog/UnsupportedVersionException.java b/dslog/UnsupportedVersionException.java
new file mode 100644
index 0000000..2667804
--- /dev/null
+++ b/dslog/UnsupportedVersionException.java
@@ -0,0 +1,12 @@
+package dslog;
+
+import java.io.IOException;
+
+class UnsupportedVersionException extends IOException {
+ public UnsupportedVersionException(String thing, int version) {
+ super("Unsupported file format version: "+thing+" v"+version);
+ }
+ public UnsupportedVersionException(String thing, int version, int cur) {
+ super("File format version ("+thing+" v"+version+") new that log reader ("+cur+")");
+ }
+}