From 3c78911f82f7707701cbd3fac9b08ca2984578e6 Mon Sep 17 00:00:00 2001
From: Avik Sengupta <avik@apache.org>
Date: Mon, 27 Oct 2003 02:01:21 +0000
Subject: [PATCH] fix for 13921, sync from branch

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353412 13f79535-47bb-0310-9956-ffa450edef68
---
 .../poi/hssf/record/BoundSheetRecord.java     | 12 +++++++++++
 .../poi/hssf/usermodel/HSSFWorkbook.java      | 10 ++++++++--
 .../poi/hssf/record/TestBoundSheetRecord.java | 20 +++++++++++++++++++
 .../poi/hssf/usermodel/TestCloneSheet.java    |  2 +-
 4 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/src/java/org/apache/poi/hssf/record/BoundSheetRecord.java b/src/java/org/apache/poi/hssf/record/BoundSheetRecord.java
index ee3922c7a..f84b5baa9 100644
--- a/src/java/org/apache/poi/hssf/record/BoundSheetRecord.java
+++ b/src/java/org/apache/poi/hssf/record/BoundSheetRecord.java
@@ -194,10 +194,22 @@ public class BoundSheetRecord
     /**
      * Set the sheetname for this sheet.  (this appears in the tabs at the bottom)
      * @param sheetname the name of the sheet
+     * @thows IllegalArgumentException if sheet name will cause excel to crash. 
      */
 
     public void setSheetname( String sheetname )
     {
+        
+        if ((sheetname == null) || (sheetname.length()==0)
+                || (sheetname.length()>31)
+                || (sheetname.indexOf("/") > -1)
+                || (sheetname.indexOf("\\") > -1)
+                || (sheetname.indexOf("?") > -1)
+                || (sheetname.indexOf("*") > -1)
+                || (sheetname.indexOf("]") > -1)
+                || (sheetname.indexOf("[") > -1) ){
+                    throw new IllegalArgumentException("Sheet name cannot be blank, greater than 31 chars, or contain any of /\\*?[]");
+        }
         field_5_sheetname = sheetname;
     }
 
diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java b/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
index 8b8d7c274..799029b9b 100644
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
@@ -270,7 +270,9 @@ public class HSSFWorkbook
     
      
     /**
-     * set the sheet name.
+     * set the sheet name. 
+     * Will throw IllegalArgumentException if the name is greater than 31 chars
+     * or contains /\?*[]
      * @param sheet number (0 based)
      * @param sheet name
      */
@@ -371,7 +373,11 @@ public class HSSFWorkbook
         windowTwo.setPaged(sheets.size() == 1);
 
         sheets.add(clonedSheet);
-        workbook.setSheetName(sheets.size()-1, srcName+"[1]");
+        if (srcName.length()<28) {
+            workbook.setSheetName(sheets.size()-1, srcName+"(2)");
+        }else {
+            workbook.setSheetName(sheets.size()-1,srcName.substring(0,28)+"(2)");
+        }
         return clonedSheet;
       }
       return null;
diff --git a/src/testcases/org/apache/poi/hssf/record/TestBoundSheetRecord.java b/src/testcases/org/apache/poi/hssf/record/TestBoundSheetRecord.java
index 2058c2f9e..4ca607535 100644
--- a/src/testcases/org/apache/poi/hssf/record/TestBoundSheetRecord.java
+++ b/src/testcases/org/apache/poi/hssf/record/TestBoundSheetRecord.java
@@ -92,5 +92,25 @@ public class TestBoundSheetRecord
 
         assertEquals(" 2  +  2  +  4  +   2   +    1     +    1    + len(str) * 2", 24, record.getRecordSize());
     }
+    
+    public void testName() {
+        BoundSheetRecord record = new BoundSheetRecord();
+        record.setSheetname("1234567890223456789032345678904");
+        assertTrue("Success", true);
+        try {
+            record.setSheetname("12345678902234567890323456789042");
+            assertTrue("Should have thrown IllegalArgumentException, but didnt", false);
+        } catch (IllegalArgumentException e) {
+            assertTrue("succefully threw exception",true);
+        }
+        
+        try {
+            record.setSheetname("s//*s");
+            assertTrue("Should have thrown IllegalArgumentException, but didnt", false);
+        } catch (IllegalArgumentException e) {
+            assertTrue("succefully threw exception",true);
+        }
+            
+    }
 
 }
diff --git a/src/testcases/org/apache/poi/hssf/usermodel/TestCloneSheet.java b/src/testcases/org/apache/poi/hssf/usermodel/TestCloneSheet.java
index 052516108..6ccf29ec2 100644
--- a/src/testcases/org/apache/poi/hssf/usermodel/TestCloneSheet.java
+++ b/src/testcases/org/apache/poi/hssf/usermodel/TestCloneSheet.java
@@ -79,7 +79,7 @@ public class TestCloneSheet extends TestCase {
 			s.addMergedRegion(new Region((short)0,(short)0,(short)1,(short)1));
 			b.cloneSheet(0);
 		}
-		catch(Exception e){fail(e.getMessage());}
+		catch(Exception e){e.printStackTrace();fail(e.getMessage());}
 	}
 
 }