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Posted to dev@poi.apache.org by bu...@apache.org on 2022/03/18 18:00:22 UTC
[Bug 65965] New: setParagraph and setTable don't properly set XML references
https://bz.apache.org/bugzilla/show_bug.cgi?id=65965
Bug ID: 65965
Summary: setParagraph and setTable don't properly set XML
references
Product: POI
Version: unspecified
Hardware: PC
Status: NEW
Severity: major
Priority: P2
Component: XWPF
Assignee: dev@poi.apache.org
Reporter: jared.wilkin@gmail.com
Target Milestone: ---
after calling setTable the CTTbl objects in the XWPFDocument object and the
CTDocument object don't match:
from a client the following is false:
doc.getTableArray(pos).getCTTbl() ==
doc.getDocument().getBody().getTblArray(pos)
from inside XWPFDocument class the following is false:
this.tables.get(pos).getCTTbl() == table.getBody().getTableArray(pos)
it appears that the CTTbl object is not set, but rather its contents are copied
in place when setTblArray is called on the body. This problem also is seen when
calling setParagraph. This is seen in version 4.1.1
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[Bug 65965] setParagraph and setTable don't properly set XML references
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65965
--- Comment #2 from PJ Fanning <fa...@yahoo.com> ---
Can you provide a test case for latest POI code? The current description is
ambiguous. If you provide a full code sample, then the ambiguity disappears.
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[Bug 65965] setParagraph and setTable don't properly set XML references
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65965
jared.wilkin@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
OS| |All
--- Comment #1 from jared.wilkin@gmail.com ---
the second equality test should read (indicating the CTTbl object as stored by
the table in the tables array isn't the same as the CTTbl object in the xml
tree):
this.tables.get(pos).getCTTbl() == this.ctDocument.getBody().getTblArray(pos)
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[Bug 65965] setParagraph and setTable don't properly set XML references
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65965
PJ Fanning <fa...@yahoo.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
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[Bug 65965] setParagraph and setTable don't properly set XML references
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65965
--- Comment #4 from jared.wilkin@gmail.com ---
I failed to mention the actual impact of this problem in my prior comments...
Among other things this has two significant problems that require dubious
work-arounds. These problems exist not only for tables, but other places where
set is called, ex. setParagraph().
1) changes made to the entity XWPF entity after "setting" don't actually make
it into the resulting document. This is due to the fact that the XML object in
the document isn't associated with the XWPF object and thus any changes or
modifications get applied to the XWPF object and by extension applied to its
XML object are not actually part of the document's XML tree.
2) any cursors derived from the XMPF entity after "setting" aren't valid as
they don't point to the correct place in the document tree. For the same
reasons outlined above the cursor and any actions done on it don't produce the
expected outcome as it is not pointing to the underlying document's XML tree.
While I have been able to work around both of these problems mostly
successfully, the state and outcomes were certainly not expected and I would
assume probably would not be expected by most if not all other users.
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[Bug 65965] setParagraph and setTable don't properly set XML references
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65965
--- Comment #3 from jared.wilkin@gmail.com ---
this is a contrived and truncated example, but the idea is setting a newly
created table into a document attempting to replace the table already there.
after this action the CTTbl retrieved from the XWPFTable object stored in the
XWPFDocument tables array should presumably be the same instance as the CTTbl
retrieved from the xml objects.
XWPFDocument newDoc = new XWPFDocument();
XWPFTable newTbl = newDoc.createTable();
XWPFTable newTbl1 = new XWPFTable(CTTbl.Factory.newInstance(),
newTbl.getBody());
int position = newDoc.getPosOfTable(newTbl);
newDoc.setTable(position,newTbl1);
if(newDoc.getTableArray(position).getCTTbl()
!= newDoc.getDocument().getBody().getTblArray(position)){
System.out.println("This should be true");
}
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[Bug 65965] setParagraph and setTable don't properly set XML references
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=65965
PJ Fanning <fa...@yahoo.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW
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