Links to other websites that have been included on this Portal are provided for public use only. Note: The Links given under Downloads from Item 1 to Item 5 will open in a new Window. Instructions_To_Bidder_for_Online_Bid_Submission.pdf Instructions To Bidder for Online Bid Submission While ((line = reader.User Creation Data Sheet (Department User) toString ()īufferedReader reader = new BufferedReader ( ask it to convert our xlsm file to pdf call libreoffice headless and politely toFile () įileOutputStream fos = new FileOutputStream (tempExcelFile) (if you don't start from a workbook, this step might differ)įile tempExcelFile = tempDir. write the workbook as a temporary file get a temp directory into which to play I assume here the presence of a log facility, change the lines starting with log.info according to your env. The same command can be ran in your standard linux system if you don't use a container. & apt-get install -y -no-install-recommends libreoffice \ A working docker installation of LibreOfficeĪdding to a Java image, add this command to install LibreOffice for headless execution: # installing libre office for xls -> pdf conversions And most importantly, it produces excellent results.Īs it works on files, a sensible option is to work in dedicated temporary directories, thus avoiding race conditions and ensuring automated cleaning. The idea is to use LibreOffice Headless, called as an external process from Java.Ĭalled headless, LibreOffice is fast and reliable enough. I explain here the efficient and reliable enough solution I've used in a Java application.
If you look for a library for this conversion, you'll find many ones, most of them expensive, and none of them giving acceptable results.
Generating or modifying Excel files in Java is easy with Apache POI.īut when you generate Excel reports, you always end up having to export them in PDF too.
0 kommentar(er)
