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Questions tagged [java]

libraries for Java and Java development tools

2
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0answers
20 views

Java data serialization format alternative to JSON

I need recommendations for data serialization format alternative to JSON It need to be used in Java micro services environment for server to server communications I found an article suggesting ...
0
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0answers
13 views

Secure paidment method Primefaces

I´m interested in adding a payment method to my Primefacess app. Is there any paypal or any secure library for credit card payment that I can add? I´m specially interested in the credit card payment.
2
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0answers
14 views

Tool to easily manage multiple Tomcat instances and their ports

So far I have been using Eclipse with its tomcat server integration. It creates multiple directories(each for every application group deployed). Switched back to Intellij Community which does not ...
0
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0answers
21 views

Tools to create an .exe installer for a Java (JAR) application

I have a Java application (it is composed of a main .JAR plus JAR libraries and miscellaneous other files, but I can turn it into a Uber JAR if necessary) and I'm looking for a tool or tools which ...
0
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0answers
7 views

Is there a Django/RoR/Grails-like application generator for the Java+Spring+Hibernate stack?

I've seen demos of application generators, which can take a set of object definitions and produce a basic database and management UI. Django (for Python), Ruby on Rails, and Grails (Groovy), all can ...
0
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1answer
41 views

Best software / tool to downgrades Git branches?

Good evening, Please excuse me if this is not the correct place to ask this question. I will gladly post it elsewhere would you take the time to show me where. I am starting a new pet project where ...
1
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0answers
24 views

I am searching a JavaHelp still supported alternative

I developed a Java Swing application, and used JavaHelp to generate the help for this one. But JavaHelp is too old and not supported now, I didn't find any alternative (I saw OracleHelp for Java but ...
0
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0answers
23 views

Solve small quadratic programming problem with inequality constraints in Java or C/C++

I need to solve a quadratic programming problem. The problem is small, 4 variables and 8 constraints, and has inequality constraints but not equality constraints. I am looking for a library in Java or ...
3
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2answers
68 views

Choosing the framework to an IDE type of web gui

I'm pretty newbie (or maybe oldie) with GUI development. Now when digging in, there seems to be massive amount of different frameworks to use. Currently I have built a java application which scrapes ...
1
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0answers
16 views

Library for numerical double integration in Java

Does there exist a Java library for evaluation of double integrals numerically using e.g. the multivariate Simpson's Rule? See Horwitz 2001, Journal of Computational and Applied Mathematics 134 1–11. ...
2
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1answer
15 views

Tools to find anonymous classes in Java source code

I want to find anonymous classes in some code to see if they should be changed to lambdas for readability's sake. Is there any tool which does this?
0
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0answers
28 views

Java library for JEE in-container unit testing

I'm looking for software which will serve as useful toolkit for in-container(i.e. JEE container) testing(nice description of what is in-container testing can be find here) My requirements are: ...
0
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0answers
13 views

How do I create an ITI-41 transaction receiver in Java?

Is there a standard way to implement an ITI-41 receiver in Java? Is there maybe a library I can utilize? Is there just some simple example code maybe? The specification for ITI-41 is quite large ...
1
vote
1answer
21 views

Libs & Technology to help me build a Mareys Chart

I am in need of a component to show and interact with a Marey's Chart. For those who are not familiar, a Merey's Chart is a chart to visualize train movements in a Time x Location axis. Much like ...
7
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1answer
237 views

Sparse matrix library for Java

I am looking for a sparse matrix library in Java that can do multiplications on sparse integer matrices, where the matrices represent the adjacency relations of a graph. The requirement is roughly the ...
0
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0answers
9 views

Open Source UI to build search application with type-ahead search

Do we have any open source java application with default menus such as file, print and other options and would like to built a search application with elastic search with indexing Any suggestions are ...
1
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0answers
17 views

Free Text-to-Speech library with viseme event for Java desktop application

I'm looking for free Text-to-Speech library, which sounds naturally and supports viseme event. To use it for Java desktop application I found http://mary.dfki.de/ but it does not supports viseme ...
0
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0answers
23 views

Java library to integrate DIAL protocol into an Android app

Which library to use to integrate DIAL protocol into an Android app? The app is built in Java. The library should be open source. The library should be able to launch apps in Android TV, Fire TV, Roku,...
1
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0answers
52 views

Java Spring based open source CRM

I am looking for well designed open source Java/Spring framework based CRM. The CRM should not be just a toy project on GitHub but even that I could not find. It should support around a dozen ...
3
votes
1answer
38 views

Fast, Scalable and Efficient Web development framework for beginners

I have knowledge of Core Java and I'm learning Python too. What is the best web development framework for beginners?. I'm trying to develop a web portal for displaying some analytics and wanted to ...
1
vote
3answers
22 views

Java: basis rest-service standalone

I want to implement a REST service in Java. I should not be a servlet (no need of jetty, jersey, glassfish, tomcat). I would love a simple jar-file that includes a standalone http-server I can call ...
0
votes
1answer
17 views

Performance Testing in Java (API calls)

I want to test my API. My API would include images that would be served on a particular device. I wanted to make automated calls in the range of 100s. I am using Eclipse IDE and using the ...
0
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0answers
11 views

Augmented Reality app in Android / headsets

I'm trying to jump into AR and build a basic prototype. For instance, if I see a laptop, I show a diagram visualizing some information such as it's CPU usage (which I get in real-time). Or when seeing ...
0
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0answers
16 views

Production Grade Image Scaling in Java

I am working on production-grade Image Scaling Libraries based on Java. I have come across some libraries. Java Image IO jMagick (could not use it on windows machine due to running a 32-bit binary on ...
2
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1answer
55 views

Cross-platform Java/Kotlin logging library

Meta-note: I can't add the Kotlin tag since I have less than 300 rep on this site, and it doesn't exist yet I'm working on a cross-platform project written in Java and Kotlin, and I need some decent ...
0
votes
0answers
20 views

Dynamic calendar for Android

I am looking for a calendar view (Or API rather) that will allow me to create a custom calendar view, with events and everything. One that is completely unrelated to the user's phone calendar (any ...
2
votes
0answers
85 views

Arabic OCR Java library, from PDF

Is there any pdf text extractor api that extract arabic text from pdf. I am using itextpdf api it works fine in extract English but it doesn't extract arabic text.
0
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0answers
10 views

Open source Java FTP library with parallel dowload support

I am looking for a FTP library with parallel downloads support (for a single file) The context is, that I am working with FTP transfer over a Wide Area Network (with latency of 250ms). Due to TCP ...
2
votes
0answers
30 views

XML difference using Maven

I have a requirement to find out the differences between XML files of the current release and previous release, and report the differences in HTML format. These XML files are packaged in a jar during ...
0
votes
1answer
23 views

Headline Capitalization

Background Developers write JIRA tickets; developers do not style the ticket items consistently. We'd like to present the ticket summaries to clients, but with a consistent format. Problem We're ...
1
vote
1answer
36 views

Framework for documentation: java rest api

I have a project in java, with APIs in REST. I wanted to create a wiki with documentation (markdown) on the APIs. First phase only the specifications, then also include a way to test the API (API ...
0
votes
0answers
51 views

JavaScript engine for Java 8 supporting ECMAScript 6

I am looking for a Java 8 JS engine, that supports ES6 or newer. I want to embed the scripting engine into a Java application, as a public API, so I have to have the functionality to put() a value to ...
1
vote
1answer
23 views

Software for genomics/bioinformatics server development - Open Source

I'm in a quandry - I have a Masters project (bioinformatics) next year and I have to choose a framework for developing a website/processing centre/general allround functionality. Open Source is an ...
0
votes
0answers
21 views

Java Library for XML to JSON to XML Impedance Mismatch

I need a lossless conversion of XML to JSON and back again using Java. I have used a Javascript library called jsonxml, which does it properly, but nothing in Java. The best I seem to have found it ...
0
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0answers
11 views

What to use for converting Buffered Images to a Video Stream in Java?

Is there library to convert Buffered Images to a video stream (.mp4 for instance)? Does anybody of you know if this works with ffmpeg/HumbleVideo and have a good reference on this?
0
votes
1answer
49 views

Java library to create PDF file

I am looking for a free library to create and export PDF files. I will receive StringBuilder like that: value;timestamp 8627;1514674800000; 8627;1514761200000; and I need to generate and export to ...
2
votes
0answers
25 views

Free Java API for scanning fingerprints

Is there any free Java API available for scanning fingerprints? I want to implement fingerprint functionality in a web application which will scan and identify the fingerprint based on available ...
1
vote
0answers
27 views

C/C++/C#/Java compilation library for Android

I want to develop compiler application in android but i am little bit confuse where to start. I have searched on google but i have not found any good example about compiler app. I want to create an ...
0
votes
0answers
16 views

Fast rules engine in java to be used to alter network packets

I need a rule engine library in Java that I will be using to modify the captured network packets. Therefore, the speed is a major concern. Just to be clear, the capturing and the parsing of the ...
0
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0answers
14 views

Fast and Stable Web Scraper For JavaScript Generated Contents

I am trying to get the page source of a url i.e. DOM using Javascript. It is working fine when I request from chrome extension, I am able to post DOM with the API. I want to do same in JAVA using the ...
1
vote
0answers
19 views

Java library for error-correction

I am looking for a simple error-correction library in Java. It needs to be able to correct some errors in variable-length messages. However, the error-correcting codes together with the message must ...
0
votes
0answers
6 views

I am looking for a java library to check the JavaScript ES6 code statics such as code quality, ES6 lint status

I want to check the code syntaxes and code quality of ES6 JavaScript code piece. The project has been implemented using Java. So I'd like to know any existing Java libraries to identify the relevant ...
1
vote
0answers
180 views

Java client for time server, such as Network Time Protocol (NTP)

Looking for a time-server client library for Java. I suppose means only Network Time Protocol (NTP). My goal is simply to fetch the current date-time from a time server. I will compare to verify the ...
1
vote
2answers
29 views

Data analysis tool for Java

I need to find some Java tools that work similar to pandas in Python. pandas is a tool that provides high-performance, easy-to-use data structures and data analysis tools. I have a few .csv files in ...
0
votes
1answer
44 views

Is there a Java YAML library you might recommend?

I am looking for a Java YAML library (I defo don't want to use Jackson-YAML for a variety of reasons), and was wondering if there was any that people recommend. Thanks!
1
vote
0answers
37 views

Is there a Java/ImageIO JBIG2 image writer?

I need to write images in the JBIG2 image format using Java/ImageIO. I found the levigo/jbig2-imageio library providing a JBIG2 reader allowing to read JBIG2 images using ImageIO, but I was unable to ...
1
vote
1answer
354 views

Java Perceptual Hash

I need to check for similar images in our Java server (backend, 1.8, spring). We will have lot of images, so finding similar ones one by one is not an option. I need to use some kind of Hashing ...
1
vote
1answer
53 views

Java library for quarter-of-the-year and week-of-the-year?

I am looking to support quarters and weeks as objects in my Java code. I am aware that the troublesome old legacy date-time classes in Java have been supplanted by the modern java.time classes. But I ...
1
vote
0answers
27 views

Free performance monitoring tools for local development for Java based web-applications

For Java based web-applications: If a developer wants to instantly get performance related feedback during local development, would anyone please recommend any free APM (application performance ...
1
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0answers
39 views

Extract XML file from a PDF/A

Do some java APIs exist that allow me to extract an XML file from a PDF/A in a Java? Citing Wikipedia: PDF/A-3 allows embedding of any file format such as XML, CAD and others into PDF/A documents.