The Event User Model fake-workbook for formula evaluations needs to know about the sheet names

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1611946 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 16 insertions, 4 deletions

diff --git a/src/java/org/apache/poi/hssf/eventusermodel/EventWorkbookBuilder.java b/src/java/org/apache/poi/hssf/eventusermodel/EventWorkbookBuilder.java
index c6036d6582..b0d0388a2c 100644
--- a/src/java/org/apache/poi/hssf/eventusermodel/EventWorkbookBuilder.java
+++ b/src/java/org/apache/poi/hssf/eventusermodel/EventWorkbookBuilder.java
@@ -138,7 +138,14 @@ public class EventWorkbookBuilder {
 		}
 
 		public HSSFWorkbook getStubHSSFWorkbook() {
-			return HSSFWorkbook.create(getStubWorkbook());
+		    // Create a base workbook
+		    HSSFWorkbook wb = HSSFWorkbook.create(getStubWorkbook());
+		    // Stub the sheets, so sheet name lookups work
+		    for (BoundSheetRecord bsr : boundSheetRecords) {
+		        wb.createSheet(bsr.getSheetname());
+		    }
+		    // Ready for Formula use!
+		    return wb;
 		}
 		public InternalWorkbook getStubWorkbook() {
 			return createStubWorkbook(
diff --git a/src/java/org/apache/poi/ss/formula/ptg/ExternSheetNameResolver.java b/src/java/org/apache/poi/ss/formula/ptg/ExternSheetNameResolver.java
index 150bd99e79..be20167ed9 100644
--- a/src/java/org/apache/poi/ss/formula/ptg/ExternSheetNameResolver.java
+++ b/src/java/org/apache/poi/ss/formula/ptg/ExternSheetNameResolver.java
@@ -17,8 +17,8 @@
 
 package org.apache.poi.ss.formula.ptg;
 
-import org.apache.poi.ss.formula.FormulaRenderingWorkbook;
 import org.apache.poi.ss.formula.EvaluationWorkbook.ExternalSheet;
+import org.apache.poi.ss.formula.FormulaRenderingWorkbook;
 import org.apache.poi.ss.formula.SheetNameFormatter;
 
 /**
@@ -36,8 +36,13 @@ final class ExternSheetNameResolver {
 		if (externalSheet != null) {
 			String wbName = externalSheet.getWorkbookName();
 			String sheetName = externalSheet.getSheetName();
-			sb = new StringBuffer(wbName.length() + sheetName.length() + cellRefText.length() + 4);
-			SheetNameFormatter.appendFormat(sb, wbName, sheetName);
+			if (wbName != null) {
+    			sb = new StringBuffer(wbName.length() + sheetName.length() + cellRefText.length() + 4);
+    			SheetNameFormatter.appendFormat(sb, wbName, sheetName);
+			} else {
+                sb = new StringBuffer(sheetName.length() + cellRefText.length() + 4);
+                SheetNameFormatter.appendFormat(sb, sheetName);
+			}
 		} else {
 			String sheetName = book.getSheetNameByExternSheet(field_1_index_extern_sheet);
 			sb = new StringBuffer(sheetName.length() + cellRefText.length() + 4);