Catch missing scratchpad state for EMF / WMF rendering

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1867025 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 6 insertions, 1 deletions

diff --git a/src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java b/src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java
index bda928cfce..76f08dabe8 100644
--- a/src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java
+++ b/src/java/org/apache/poi/sl/usermodel/SlideShowFactory.java
@@ -295,8 +295,13 @@ public class SlideShowFactory {
         S extends Shape<S,P>,
         P extends TextParagraph<S,P,? extends TextRun>
     > SlideShow<S,P> createSlideShow(String factoryClass, Object[] args) throws IOException, EncryptedDocumentException {
+        final Class<?> clazz;
+        try {
+            clazz = SlideShowFactory.class.getClassLoader().loadClass(factoryClass);
+        } catch (ClassNotFoundException e) {
+            throw new IOException(factoryClass+" not found - check if poi-scratchpad.jar is on the classpath.");
+        }
         try {
-            Class<?> clazz = SlideShowFactory.class.getClassLoader().loadClass(factoryClass);
             Class<?>[] argsClz = new Class<?>[args.length];
             int i=0;
             for (Object o : args) {