lazy-parse the version and startTime

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+")");
+	}
+}