Java for pdf reader

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Dansoftowner / PDFViewerFX Public archive

A pdf viewer library for your javaFX application

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Dansoftowner/PDFViewerFX

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README.md

A library for displaying/viewing pdf documents inside your javaFX application

This library is actually a javaFX wrapper for Mozilla’s PDF.js javascript library, but with this library you don’t have to deal with any javascript code, so you can just use a java object to view pdf documents in javaFX.

Releases are available through JitPack:

repositories> repository> id>jitpack.ioid> url>https://jitpack.iourl> repository> repositories>

dependency> groupId>com.github.DansoftownergroupId> artifactId>PDFViewerFXartifactId> version>0.8version> dependency>

repositories < ... maven < url 'https://jitpack.io' > >

dependencies < implementation 'com.github.Dansoftowner:PDFViewerFX:0.8' >

First, you have to import the necessary class:

import com.dansoftware.pdfdisplayer.PDFDisplayer;

PDFDisplayer displayer = new PDFDisplayer(); primaryStage.setScene(new Scene(displayer.toNode())); // to create the javaFX object from the displayer, you have to use the toNode() function primaryStage.show(); /* * This method creates a FileInputStream and than wraps it into a * BufferedInputStream, and then read the data from it. */ displayer.loadPDF(new File("path/to/your/file.pdf"));

You can also load the pdf from a java.net.URL object:

/* * This method calls the URL.openStream() function to get the InputStream then wraps it into a * BufferedInputStream, and then read the data from it. */ displayer.loadPDF(new URL("https://www.tutorialspoint.com/jdbc/jdbc_tutorial.pdf"));

Or you can read the data from any kind of InputStream:

InputStream inputStream = getAnInputStream(); //just for representation displayer.loadPDF(inputStream);

You can use the constructors as well:

PDFDisplayer(URL); //reads the data from the URL PDFDisplayer(File); //reads the data from the File PDFDisplayer(InputStream) //reads the data from the InputStream 

More operations, tutorials

If you want to deal with some other useful functions from this library, just go to the wiki page!

Projects using PDFViewerFX

If this library is used by your project, let me know in the Discussions and I will mention that in this section.

• Document Archiver — Archive all your documents in a consistent way, which enables you to retrieve them later fast and easy.

About

A pdf viewer library for your javaFX application

Источник

Reading PDF File Using Java

As always, the writeup is super practical and based on a simple application that can work with documents with a mix of encrypted and unencrypted fields.

We rely on other people’s code in our own work. Every day.

It might be the language you’re writing in, the framework you’re building on, or some esoteric piece of software that does one thing so well you never found the need to implement it yourself.

The problem is, of course, when things fall apart in production — debugging the implementation of a 3rd party library you have no intimate knowledge of is, to say the least, tricky.

Lightrun is a new kind of debugger.

It’s one geared specifically towards real-life production environments. Using Lightrun, you can drill down into running applications, including 3rd party dependencies, with real-time logs, snapshots, and metrics.

Learn more in this quick, 5-minute Lightrun tutorial:

Slow MySQL query performance is all too common. Of course it is. A good way to go is, naturally, a dedicated profiler that actually understands the ins and outs of MySQL.

The Jet Profiler was built for MySQL only, so it can do things like real-time query performance, focus on most used tables or most frequent queries, quickly identify performance issues and basically help you optimize your queries.

Critically, it has very minimal impact on your server’s performance, with most of the profiling work done separately — so it needs no server changes, agents or separate services.

Basically, you install the desktop application, connect to your MySQL server, hit the record button, and you’ll have results within minutes:

DbSchema is a super-flexible database designer, which can take you from designing the DB with your team all the way to safely deploying the schema.

The way it does all of that is by using a design model, a database-independent image of the schema, which can be shared in a team using GIT and compared or deployed on to any database.

And, of course, it can be heavily visual, allowing you to interact with the database using diagrams, visually compose queries, explore the data, generate random data, import data or build HTML5 database reports.

Источник

Apache PDFBox ® — A Java PDF Library

The Apache PDFBox ® library is an open source Java tool for working with PDF documents. This project allows creation of new PDF documents, manipulation of existing documents and the ability to extract content from documents. Apache PDFBox also includes several command-line utilities. Apache PDFBox is published under the Apache License v2.0.

Apache PDFBox 3.0.0-beta1 released
2023-07-14

The Apache PDFBox community is pleased to announce the first beta release of Apache PDFBox version 3.0.0. It is available for download at:

See the full release notes for details about this release.

The Migration Guide shall give users coming from PDFBox 2.0.x an overview about things to look at when switching over. More details to come.

Getting Help

To get help on using PDFBox, please Subscribe to the Users Mailing List and post your questions there. We’re happy to help.

The project is a volunteer effort and we’re always looking for interested people to help us improve PDFBox. There are a multitude of ways that you can help us depending on your skills. Subscribe to the Mailing Lists and find out how you can help.

Features

Extract Unicode text from PDF files.

Split a single PDF into many files or merge multiple PDF files.

Extract data from PDF forms or fill a PDF form.

Validate PDF files against the PDF/A-1b standard.

Print a PDF file using the standard Java printing API.

Save PDFs as image files, such as PNG or JPEG.

Create a PDF from scratch, with embedded fonts and images.

Источник