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Questions tagged [java]

libraries for Java and Java development tools

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49 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 ...
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84 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.
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9 views

Programmatic soundtrack composing

I am looking for a library, preferably written in C/C++, but Java is also fine, where I can programmatically compose a sound track from many different sound files loaded in runtime with ability to ...
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117 views

Java High Level Game Library Recommendation - Maintained Alternatives to Slick2D?

I am developing games in Java. I prefer extendable and high-level game frameworks–but nonetheless, I have tried many low-level bindings too. So these are the ones I have used/researched about. Some ...
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34 views

Need Dynamic S Box Library in Java

I need a Java source code library that can dynamically generate the SBox (substitution box) for AES based on the AES256 key provided.
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268 views

Is there any way to make an HTTP/2 request with Java 8, without installing ALPN?

we're using Java 8, and we need to make HTTP/2 requests. This software is distributed to clients to run on desktop machines, and modifying the boot classpath to include ALPN is not an option. Is ...
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53 views

Open source tool to do OCR

I would like to parse the text content (OCR) from these image file types and index them and make them available for my lucene search engine for search. .ai .bmp .gif .jpeg .jpg .png .psd .ttf Can ...
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268 views

JavaFX Markdown Renderer

Are there any libraries that will render markdown (ideally by the CommonMark specification) in JavaFX? The library should allow me to embed a pane with JavaFX pane inside a stage and pass it markdown ...
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15 views

InputStream that spools to disk asynchronously

I am wondering if anyone knows of a Java library that can take an input stream and spool it to disk, while allowing it to be read. I am dealing with an issue where I need to stream very large files, ...
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11 views

Replacement for jxDBCon?

jxDBCon is JDBC driver framework which implements generic parts of a JDBC driver. However it is unmaintained and implements only things in older, not current, JDBC. Are there any other libraries that ...
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14 views

AR development Library in Android

I'm new to AR (I have experience in VR though), and want to do some simple AR development (detect traffic signs printed on papers). Are there any simple-to-use library or SDK for AR development? I'm ...
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38 views

Travelling Salesman: Java library

I have a list of 1000 buildings of a city, and want to find a short route that covers them all. Is there an implementation of this in Java? Requirements: Open source Easy to use: just call a method ...
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16 views

Spherical Travelling Salesman: Java library

I have a list of 1000 cities around the globe, and want to find a short route that covers them all. Is there an implementation of this in Java? Requirements: Open source Easy to use: just call a ...
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375 views

Java graph library with visualization on console

A lot of Java graph libraries, like JGraphT and Graphana, have visualization features for Java AWT or Swing. I'm looking of a graph library which allows to specify vertices and directed edges and then ...
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37 views

Installation package generator for Postgres, Tomcat, Java (jre) and a war file

My aim is to build a silent installer to install the following components on a user machine. Postgres including PgAdmin, Apache Tomcat 7 Java (JRE) 7.0 And a war file I am targeting Windows only, ...
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1answer
202 views

Appointment Management Library for Java

I need to implement an appointment management system for one module of my project. While it is a hard task to implement from scratch, I wonder if there is any open source library which I can add my ...
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39 views

Open Source bug tracking software, implemented in Java

I'm looking for the best open source bug tracking software which has lots of features developed in java I don't see much in top list - http://www.thegeekstuff.com/2010/08/bug-tracking-system Found ...
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39 views

IntelliJ plugin or other software to generate Java code maps

I'm looking for a program or a plugin to generate maps from Java source. Something that can be used either to improve my thinking process or use for documentation and presentation. Is there such a ...
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25 views

Tool for generating test case document from javadoc

I am looking for a tool in Java/maven that can generate test case document from javadoc and merge the test result into it. I am indeed to put the javadoc in front of all integration tests and I want ...
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50 views

Looking for a tool to static code analyse

I'm looking for a tool which must meet certain requirements. I do some research and at the moment JArchitect is closest to expectations. This tool must: Work with Java (and maybe C++) Analyse code ...
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1answer
97 views

What Java ORM can give me both dynamic SQL and control of the ResultSet at the same time?

Requirements for an ORM I'm looking for: Dynamic SQL with: 1.1. SQL injection prevention 1.2. named parameters 1.3. capability to set where clause conditions conditionally 1.4. capability to ...
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13 views

What software library can I use to tokenize attached words?

I have a set of strings like below: maninthemiddle saltnpepper redcarsonly gatonegro baguettebiencuite ... I'd like to extract words from each strings. The output would look like: man in the middle ...
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15 views

Maven archetype that creates a webapp with WAR generation, eclipse web project, JUnit, command-line Jetty

I often need to create Java webapps. I usually run the maven-archetype-webapp archetype, but it does not provide enough, so I always have to manually add many things, such as jetty:run. I want to ...
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79 views

Dynamic tool to test Java code for deadlocks and race conditions

I am searching for a tool to allow me to test a Java application and find deadlocks and races in it. Research I understand there are two main approaches, static or dynamic. That is, static code ...
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0answers
14 views

Software Evaluation and Purchase Sysetm

I am writing a program in Java that I would like to sell and also release a 30-day evaluation copy of. I have access to a website to optionally host some portions of licensing but would prefer to not ...
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0answers
32 views

Tool for merging Java classes and interfaces

I'm a Java software developer and often inherit existing projects. These projects follow the convention that each class has an interface even if there is only one implementation. I would like to ...
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0answers
16 views

Switching traffic by API version

I am working on a REST API, which is provided by a Java Spring Boot application. My idea is to have some kind of reverse proxy like Apache Server, that would switch the traffic according to API ...
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53 views

Java Performance Bottleneck Profiling Tools

I am looking for a performance profiling tool that can tell me the performance bottlenecks in my Java application and can give me a detailed overview of the most expensive method calls. I have the ...
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0answers
43 views

Java library for thermodynamic calculations

I have been trying to find a java library of the core thermodynamic calculations / formulas. The closest I got was this: https://github.com/OpenSourcePhysics/osp/tree/master/src/org/...
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31 views

Tool to daemonize Java program

I search a free program that is able to daemonize Java programs, mainly for Windows where it needs to run them as services. Support for Linux would be ok, but is not a prerequisite. The program needs ...
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0answers
15 views

Powerful and easy-to-setup mock framework for Java

I have implemented a Java class that performs calls to an interface that I will call "TheInterface". To unit test my program, I need a mock implementation of TheInterface that I can make my class ...
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0answers
85 views

Java backend app / server that receives files uploaded in Angular JS or Javascript (e.g. ng-file-upload or angular-file-upload)?

I have written a backend Java app that runs fine, uses Tomcat server (though any server would work) and also has a Jersey REST API should I need it. I also have a nice Angular JS, HTML + CSS web UI ...
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0answers
52 views

Java editor for Chrome OS

I'm a student in Sweden studying programming and recently we got Chromebooks to make it easier to study and write essays. I realized soon that I wasn't able to install any software to my Chromebook so ...
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0answers
49 views

Type of Database for Live Streaming

I begin with a project about videostreaming with Android, specifically Live Streaming (not video on demand) The device Android will transmit video and audio, too I will have other software in desktop ...
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0answers
46 views

Is there any kind of interface to process images by using java and gimp?

I am looking for a GIMP-plugin or a Java-API to write complex filter that behaves like this: Java program, that loads a .xcf-file, detects and applies the structure of drawables, layer groups, etc. ...
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0answers
119 views

Java code editor & compiler on iOS iPad

I'm looking for a code editor (compatible with iOS on an iPad) that has the following features: Java code editor Java code compiler Java code is shown neatly (syntax highlighting would be an added ...
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1answer
243 views

Excel to CSV Java library

I am looking for a Java library (preferably in Maven Central) that can read XLS and XLSX and save the sheet to CSV. I am looking for something higher level than poi and jxl as neither of these have ...
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0answers
31 views

Efficient data store for storing and retrieving Map<Integer,Integer> data structures, and incrementing their values

I'm looking for a technology very similar in function to count-db. Use case You want to use count-db if you need to write and read billions of counts very efficiëntly from a Java program. ...
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0answers
36 views

Java library for text and commenting mark up

I'm interested in building a text management software and I'm looking for ideas on the framework to use. I'm familiar with Java, and was looking at Swing and JavaFX, but I haven't seen the features I ...
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0answers
318 views

Fast matrix operation library for Android App

I am working on an android app which needs to do some quick matrix operations (inverse transpose matrix multiplications etc) As I understand there are already many fast libraries for doing such ...
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0answers
89 views

Is there a java caching library to preload the results of slow running functions?

Say I have some function: public Foo slowGetFoo(String id){ //This process may take a long time } In order improve overall application responsiveness, I'd like to preload the results of this ...
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32 views

embedded database for mysql workbench

I am looking for an embedded database but all of the administration tools out there are really shocking quality. I do like mysql workbench as an administration tool though so I was hoping that there ...
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0answers
512 views

Programmatically build SQL queries in Java

We have a query that needs to be built dynamically when the user chooses search params in our GUI. I understand how to do this by hand in SQL by appending strings. While this does work there are a ...
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0answers
331 views

Java library to detect whether picture is selfie or not

We develop an Android app that allows people to upload pictures to Wikimedia Commons. PROBLEM: Often some funny fellows upload their own selfies, rather than pictures with educational value. So, I ...
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0answers
88 views

Scala/Java quick way to wrap a command line (linux) pipe into a REST service?

I would like to wrap a linux command (some compiled C program in this case but could be anything) which reads input from standard input and produces response output on standard output into a light-...
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0answers
21 views

Java: Averaging driving route

I have an Android/Java app that continually plots your locations and draws lines connecting sequential points, so I get the route that I have taken on a map. The route will be continuously drawn, as ...
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0answers
25 views

Looking for specific Java web chart libraries

At work we're looking for charting libraries satisfying very specific requirements. So far failing to find one. Maybe somebody here can help ? For a web application Java-based => JPA/RDBMS backend ...
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0answers
69 views

JVM language with easy in use UI framework

i'm looking for some JVM language (it can be just language with JVM implementation, like Python, but i more interested in "native" JVM languages, like Scala or Groovy) with really easy framework for ...
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0answers
128 views

Program that compiles and shows Java Swing GUI in real-time

I want a program that when I copy in a block of Java Swing code, that will compile the code and show me what the Swing component looks like in real time. Having to continuously run my code to see what ...
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0answers
42 views

Refactor - separate java sources and resources

I have a large project containing both sources and resources under the same directories. Something like: src |_ com |_ package |_ JavaClass.java |_ a_resource.extension I would like to ...