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The company I work for wants to have the PDFs they are releasing to clients automatically reviewed, other than verifying some parts of the text, are there any good tools or opensource to allow you to be certain that a PDF that a client receives is what you expect it to be?
A lot of PDFs are generated dynamically so I don't have a clear baseline for exactly 1 for 1 how the files should look like.
I'm looking for solutions that grant me security in terms of sheet structure rather than text
using iText (in particular pdf2Data) you can extract all the information from a PDF file, and match it against a given template.
Going for this approach, you can easily verify whether a PDF contains all the information that you would expect to have in it.
Check out pdf2Data here:
http://pdf2data.online/
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I need to convert a PDF into PDF/A using some java library or program. Is it possible to achieve this using some opensource library like itextPDF.
Could the same logic work in a generic format to convert pdf in pdf/A
try free Spire.PDF for java,
add the dependencies and use its converter. It seems to be an easy usage - I never done it myself - cause I didn't need it :) -
Here you can add the dependencies from the official website, https://www.e-iceblue.com/Tutorials/Licensing/How-to-install-Spire.PDF-for-Java-from-Maven-Repository.html
and here you have a small sample of it, https://dev.to/jazzzzz/convert-pdf-to-pdf-a-with-a-free-java-api-4nm7
hope it could help.
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I have a big code written in JSP and ADF which is related to a big database.
The client wants to make a report generator for him, So he can create reports with the columns he wants..
What's the best choice of an open source Library I can use ?
Oracle Apex' Interactive Reports offer quite a lot for end users - your (I mean, developer's) query might look likeselect * from ..., and end user can then select columns he wants, group them, perform filters, aggregates, draw charts ... Really nice. Best of all: it is Oracle, and it is free.
Printing, though, isn't that simple, but - from my experience, users (for some reason) adore Excel. Regarding the fact that you can easily download report into Excel, that might suit their needs.
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I was looking for any library or sources which helps me to read MDX dictionary files in Java, I have found some resources already such as mdict-android-opensource but it does not have its implantations to how read mdx database files. Does any one knows a good source about these files and possible libraries which could be used for it?
Thanks very much.
As far as I know, mdx is not a 'database'. database can be something like a file system, while mdx is just a set of binary data stored on the disk. However they uses similar techniques: Index and Binary search.
mdict-android-opensource only opensourced it's UI side.
Here's my implementation to parse and query mdx files: mdict-java ,it's under the Apache license.
and you can also try my application on the play store.
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Is there a tool to create from custom Java code documentation similar to what you can find on this page?
By this I mean listing in a clear way: methods of a class, different types of fields, inheritance, interfaces it implements etc. I want to do this for a library I created. I'm aware that all this information could be found inside the code, but sometimes you don't have time to open every single source file. Preferable html output.
have a loot at the javadoc tool. it generates exactly this html from javadoc comments and source code.
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I'm looking for a library that will allow me to construct a Tree and dynamically generate the branches/leaves of this tree at run time based on which branch the user selects.
Basically, it's similar to this prefuse example: http://prefuse.org/gallery/treeview/ except that the data isn't predifined in a an XML file. Rather the data is generated behind the scenes in my code based on the user's selection.
Is there such a library for this task?
Have a look at yFiles, JGraph, JGraphT or the alternatives on this list.