https://issues.apache.org/bugzilla/show_bug.cgi?id=55516
Bug ID: 55516
Summary: createDrawingPatriarch does not take
drawingml.chartshapes+xml into account for calculation
of drawingNumber
Product: POI
Version: 3.9
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: XSSF
Assignee: [email protected]
Reporter: [email protected]
I have an Excel containing multiple drawings.
/xl/drawings/drawing1.xml=Name: /xl/drawings/drawing1.xml - Content Type:
application/vnd.openxmlformats-officedocument.drawing+xml
/xl/drawings/drawing2.xml=Name: /xl/drawings/drawing2.xml - Content Type:
application/vnd.openxmlformats-officedocument.drawing+xml
/xl/drawings/drawing3.xml=Name: /xl/drawings/drawing3.xml - Content Type:
application/vnd.openxmlformats-officedocument.drawing+xml
/xl/drawings/drawing4.xml=Name: /xl/drawings/drawing4.xml - Content Type:
application/vnd.openxmlformats-officedocument.drawing+xml
/xl/drawings/drawing5.xml=Name: /xl/drawings/drawing5.xml - Content Type:
application/vnd.openxmlformats-officedocument.drawing+xml
/xl/drawings/drawing6.xml=Name: /xl/drawings/drawing6.xml - Content Type:
application/vnd.openxmlformats-officedocument.drawing+xml
/xl/drawings/drawing7.xml=Name: /xl/drawings/drawing7.xml - Content Type:
application/vnd.openxmlformats-officedocument.drawing+xml
/xl/drawings/drawing8.xml=Name: /xl/drawings/drawing8.xml - Content Type:
application/vnd.openxmlformats-officedocument.drawingml.chartshapes+xml
A Workbook gets created from this file.
Drawing drawing = sheet.createDrawingPatriarch();
Throws an Exception:
Exception in thread "main"
org.apache.poi.openxml4j.exceptions.PartAlreadyExistsException: A part with the
name '/xl/drawings/drawing8.xml' already exists : Packages shall not contain
equivalent part names and package implementers shall neither create nor
recognize packages with equivalent part names. [M1.12]
Having analyzed this issue by looking into the sources, there are the following
findings:
1. XSSFRelation does not contain the ...drawingml.chartshapes+xml
2. Excel apparently has a unique numbering across (at least) drawing+xml and
drawingml.chartshapes+xml Content types
3. My Suggestion would be to add the new Content type and modify the XSSFSheet
createDrawingPatriarch() to:
int drawingNumber =
getPackagePart().getPackage().getPartsByContentType(XSSFRelation.DRAWINGS.getContentType()).size()
getPackagePart().getPackage().getPartsByContentType(XSSFRelation.***NEW
CONSTANT FOR drawingml***.getContentType()).size()
+ 1;
This Problem occurs in 3.9 and in the latest 3.10 beta download.
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