From 31624647c29cec6f858bbfe29c79e0323fd7ac74 Mon Sep 17 00:00:00 2001
From: Yegor Kozlov <yegor@apache.org>
Date: Wed, 20 Jul 2011 12:29:27 +0000
Subject: fixed bug 51470 - avoid exception when cloning XSSF sheets with
 background images

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1148724 13f79535-47bb-0310-9956-ffa450edef68
---
 src/ooxml/java/org/apache/poi/POIXMLDocumentPart.java          | 2 +-
 src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbook.java | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

(limited to 'src/ooxml/java')

diff --git a/src/ooxml/java/org/apache/poi/POIXMLDocumentPart.java b/src/ooxml/java/org/apache/poi/POIXMLDocumentPart.java
index d81391035d..311573618a 100644
--- a/src/ooxml/java/org/apache/poi/POIXMLDocumentPart.java
+++ b/src/ooxml/java/org/apache/poi/POIXMLDocumentPart.java
@@ -233,7 +233,7 @@ public class POIXMLDocumentPart {
      *
      * @param part the child to add
      */
-    protected final void addRelation(String id,POIXMLDocumentPart part){
+    public final void addRelation(String id,POIXMLDocumentPart part){
         relations.put(id,part);
         part.incrementRelationCounter();
     }
diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbook.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbook.java
index d8689d87ad..9b0c7219af 100644
--- a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbook.java
+++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFWorkbook.java
@@ -385,6 +385,15 @@ public class XSSFWorkbook extends POIXMLDocument implements Workbook, Iterable<X
         }
 
         clonedSheet.setSelected(false);
+
+        // copy sheet's relations
+        List<POIXMLDocumentPart> rels = srcSheet.getRelations();
+        for(POIXMLDocumentPart r : rels) {
+            PackageRelationship rel = r.getPackageRelationship();
+            clonedSheet.getPackagePart().addRelationship(rel.getTargetURI(), rel.getTargetMode(),rel.getRelationshipType());
+            clonedSheet.addRelation(rel.getId(), r);
+        }
+
         return clonedSheet;
     }
 
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