rename epublib to book,库里面包含umd

book/src/main/java/me/ag2s/base/ThrowableUtils.java

@@ -0,0 +1,16 @@
+package me.ag2s.base;
+
+import androidx.annotation.NonNull;
+
+import java.io.IOException;
+
+public class ThrowableUtils {
+
+
+    public static @NonNull
+    IOException rethrowAsIOException(Throwable throwable) throws IOException {
+        IOException newException = new IOException(throwable.getMessage());
+        newException.initCause(throwable);
+        throw newException;
+    }
+}