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Date: Tue, 21 Nov 2017 22:04:16 -0700 (MST)
From: nilez <im.nilez@gmail.com>
To: user@poi.apache.org
Message-ID: <1511327056249-0.post@n5.nabble.com>
Subject: How to create oleObject1.bin for Word (.docx)
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archived-at: Wed, 22 Nov 2017 10:06:39 -0000

Hi all,

I am new for poi.

I would like to insert objects in Microsoft word (.docx) using java.

In the editor, I can insert object (from several file types) by going to
menu : *Insert > Object...*
<http://apache-poi.1045710.n5.nabble.com/file/t340505/0.jpg> 

Following are structure of each object in *\word\embeddings\* when I have
tried to insert /file.docx, file.odt, and file.pdf/
*\word\embeddings\*
  - Microsoft_Word_Document1.docx
  - oleObject1.bin
  - oleObject2.bin

<http://apache-poi.1045710.n5.nabble.com/file/t340505/3.jpg> 

Structure of oleObject1.bin
*\word\embeddings\oleObject1.bin\*
  - [1]CompObj
  - [1]Ole
  - package_stream
  - [3]ObjInfo
  - properties_stream

<http://apache-poi.1045710.n5.nabble.com/file/t340505/4.jpg> 

Structure of oleObject2.bin
*\word\embeddings\oleObject2.bin\*
  - [3]EPRINT
  - [1]Ole
  - [3]ObjInfo
  - [1]CompObj
  - CONTENTS

<http://apache-poi.1045710.n5.nabble.com/file/t340505/5.jpg> 


I see the example to create oleObject1.bin in TestEmbed.addHtml() from  This
link
<https://stackoverflow.com/questions/40382369/embed-files-into-xssf-sheets-in-excel-using-apache-poi>  

And I have tried to create my code as below to create sample oleObject1.bin


When I try to create ole object from .odt file


The output is oleObject1.bin but its structure does not match to
oleObject1.bin that is created by editor
*\word\embeddings\oleObject1.bin\*
  - [1]Ole10Native

However the structure of o/leObject1.bin\[1]Ole10Native/ (from my code)
match to /oleObject1.bin\package_stream/ (from structure)

This is my misunderstand about oleObject and POI APIs.

I wonder that
1. How file (several type) is stored in Word? It seem the embedded object
from each file type has different format and structure.
- file.docx ---> embedded.docx
- file.odt, file.pdf ---> oleObject1.bin (stored as binary but contain
different structure)


2. How to decide the structure of oleObject1.bin from each file type? 
For example: file.odt and file.pdf, they are stored as same format but
contain different sub-files and sub-directories. Where can i find the
specification to create ole object from each file type?
- oleObject1.bin from file.odt
  - [1]CompObj
  - [1]Ole
  - package_stream
  - [3]ObjInfo
  - properties_stream

- oleObject2.bin from file.pdf
  - [3]EPRINT
  - [1]Ole
  - [3]ObjInfo
  - [1]CompObj
  - CONTENTS

3. Can I create the complete oleObject1.bin (including its sub-files or
sub-directories) using POI library? 
How to do that? 
How to create [1]CompObj, [1]Ole, [3]ObjInfo, ... etc.?

Thanks in advance


-----
Best regards,
Nilez
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