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Questions tagged [java]

libraries for Java and Java development tools

12
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0answers
302 views

Alternative to Struts-Menu for menus in Struts 2.X application

I am currently using Struts-Menu to handle my menu needs for my Struts 2 J2EE application. It is not necessarily a package I wish to work with I have found by playing around with it. So what is an ...
7
votes
0answers
549 views

Javascript library for flowcharting

I have a requirement for modelling flowchart like (workflows) diagrams in the Web application. Request suggestions for an open-source javascript library for the same. Features I am looking include ...
5
votes
0answers
184 views

Java library for macrobenchmarks

I am working on a macro benchmark (the Train Benchmark) in Java to evaluate the performance of various database management systems. I took some steps for eliminating potential threats to its validity: ...
5
votes
0answers
187 views

JDBC Connection Pool

What is the state-of-the-art in JDBC connection pool libraries? Years ago the Tomcat JDBC Connection Pool library was developed as an alternative for highly-threaded environments because of ...
5
votes
0answers
55 views

Java library that provides a Mac OS X-style color picker?

Is there a library/SDK/etc. that brings the Mac OS X color picker to Java? I think it's the best color picker out there, so I'd love to use it in my cross-platform applications.
5
votes
0answers
850 views

Android Virtual Microphone

I would like to know whether some tool exists to create a virtual microphone on Android. For example, when I connect my headset, my phone uses the microphone on the headset. Instead, I want to be ...
5
votes
0answers
84 views

Java lightweight library for QBE (non-JPA) open source / free?

I am looking for a freeware or open source java library that, given a JDBC connection, it can assemble/execute a QBE query, hopefully, using a POJO or HashMap as example. It does not have to deal ...
4
votes
0answers
152 views

Audio editor written in Java

I'm looking for an audio editor written entirely in Java, without any dependencies that have to be installed. A self-contained JAR file that I can run from anywhere, even on machines that do not ...
4
votes
0answers
260 views

Which SQL engine atop Hadoop?

Since Hadoop came out, there have been various commercial and/or open-source attempts to expose some compatibility with SQL. I am seeking one which is good for low-latency querying, and supports the ...
4
votes
0answers
1k views

Java Codec API to convert JPEG frames/images to MPEG video

I need your help & wisdom for selecting a Java Media Codec Library. Requirements: Codec most be 100% Java implementation (No native dependencies) Codec most be able to convert JPEG images to all ...
4
votes
0answers
145 views

Self generated java file implementing STAX to parse XML files using available xsd

I have about 100 xml files each around 5MB. I have an xsd. Is there a way to generate a java class that will parse these files using the xsd I have ? Is there any tool that can do this? or will I ...
4
votes
0answers
62 views

Common regex generation java library

I'm looking for a Java library which can generate common regular expressions, such as: numbers of n digits alphanumeric sequences (no special chars) URLs email addresses IP addresses etc. The ...
4
votes
0answers
69 views

Class relationship “overviewer”/“explorer” for Java code

I'm looking for a tool for rapidly visualizing structural relationships in Java code. The hard requirements are: generates structural diagrams of selected classes and packages, the diagrams are ...
3
votes
0answers
57 views

Machine Learning library in Java

I'm new to Machine learning, and am trying to learn to develop some deep neural networks applications, possibly for both data analysis and multimedia/image processing. I'm a Java person myself so I ...
3
votes
0answers
32 views

Eclipse plugin to warn about recursion

Recursion can often be unintentional and result in a Stackoverflow (.com). Especially as someone who doesn't like recursion very much, I would like to see a warning if there is some in my code. I'm ...
3
votes
0answers
214 views

Double Ratchet Algorithm (Axolotl) implementations

I'm looking for libraries that implement the Double Ratchet Algorithm (known also as Axolotl). So far I've found the following: https://github.com/wireapp/proteus https://whispersystems.org/docs/ ...
3
votes
0answers
20 views

Very small, limited-to-javax.inject dependency injection framework for Java

Is there any small DI framework out here that implements the javax.inject package (bar the @Scope annotation: @Singleton is enough) and provides only a container around it to get instances from? This ...
3
votes
0answers
23 views

A java-based library for FCA

I have had a chance to go through Formal Concept Analysis and found it a powerful tool for Information Retrieval (IR) topics. Nonetheless, I found it very difficult to find a comprehensive ...
3
votes
0answers
666 views

Java Library for Creating ISO that's still supported

I'm working on a project that involves creating DVD ISO's from data that Java has access to. I can make a system call to something like "mkisofs", but that really affects the portability of the ...
3
votes
0answers
75 views

Java library to calculate the semantic distance between two documents

I am looking for any java library that calculates the semantic distance between two documents. I know that WS4J can calculate semantic distances using wikipedia data, also lingpipe has some NLP ...
3
votes
0answers
33 views

Key-value store with tiered cache

The nodes that will be accessing the data are separated from the server by high latency low speed connections. I would like each node to have an LRU cache using around 250MB of ram and 20GB disk to ...
3
votes
0answers
106 views

Is there a Java/Swing datepicker that can select a range of dates?

I've looked through some Java Swing datepicker libraries, but I haven't found one that can select a range (a pair) of dates, like many travel search sites do. Is there one you've run across, of high ...
3
votes
0answers
2k views

An alternative to Apache Tika in Java?

Do you know an alternative to Apache Tika in Java? This library is giving me problems and I need to resolve this ASAP. I will appreciate your advice. Edit: Apache Tika is a library that is used for ...
3
votes
0answers
1k views

Java RADIUS Client Libraries

I'm interested in what Java RADIUS client libraries are available and actively supported. This question is similar to What (good) Java RADIUS server libraries are out there?; however, I'm interested ...
3
votes
0answers
143 views

Single Step KDF specification

NIST SP 56A talks about Single Step Key derivation function. Is there any Java library which implements this?
3
votes
0answers
85 views

Where can I find a free Java Library to read multiple email formats

Our team has used Aspose .NET in the past (a product we purchased) to read multiple versions of email messages and parse the information for their content. We now want to to do a similar thing in ...
3
votes
0answers
104 views

Google Glass - Code39 Scanner

I need a code39 Scanner for my glass application. I've tried with ZBar (version 0.2), but it doesn't work. As you can see the picture is upside down and the quality is very bad. ZBar only works with ...
3
votes
0answers
1k views

Tools for generating JPA entity classes from database tables

I have been using Hibernate-Tools and JPA tools in Eclipse to generate JPA entity classes from an existing database. The problem is that this process is really complex to set up and has many small "...
3
votes
0answers
342 views

Java UML Reverse Engineering Tool for component view

After reading this post I found another problem. I am looking for a free reverse engineering tool that can analyse a multi-modules Java project and create an editable UML file but not the class ...
3
votes
0answers
77 views

Java CPU profiling tool with API for data collection and reporting

I am looking for CPU profiling tool for Java. The data collection agent must supports multiple platform (windows 32 and 64bit, Linux 64bit) should able to deploy on tens of machines without ...
3
votes
0answers
404 views

Free alternative to SVNKit?

I'm looking for an alternative to SVNKit that has a license more like Apache or BSD, i.e. a license that does not require me to release the source code of my own Java program that is using the SVN lib....
2
votes
0answers
6 views

I need a java library that simplifies math equations

let's say, for example, I give this equation as an input: 4x + x - 20 + 10 And I want to get 5x - 10 as a result
2
votes
0answers
15 views

Library that converts CSS layout to Table layout for e-mail purposes

I'm searching for a library that can take HTML and css styles that uses modern block layout attributes, such as float etc., and converts that to a table structure. Unfortunately in this day and age, ...
2
votes
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 ...
2
votes
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 ...
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.
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 ...
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 ...
2
votes
0answers
8 views

How can I have builds fail if new code is below coverage threshold?

Is there any Java testing framework (preferably Jacoco and/or Sonar) that will allow teams with poor code coverage, to forgive the existing code base, but require new code to be above a threshold, (...
2
votes
0answers
21 views

Point label positioning library for Java development

I develop an Android app in Java which displays points on a map. Every point has a label. Since there can be up to thousands of points on the map, the labels tend to overlap on the screen, especially ...
2
votes
0answers
27 views

Machine learning in Java

For Python coders, most mainstream machine learning algorithms are implemented in scikit (save for genetic algorithms, which have their own popular implementations). What's a good Java alternative ...
2
votes
0answers
30 views

jar reverse obfuscation tool

I know there has some tool which can decompile the jar to java. But when the jar is obfuscated, the java code is also none readable. Can some tool help to deobfuscate the jar? Make the code more ...
2
votes
0answers
14 views

How can i run my service on a clustered environment?

How can i run my service on a clustered environment ? Any products out there to help me out. This product should take care of managing the cluster, cluster failover, rebalancing in case of node ...
2
votes
0answers
17 views

canonicalizing an address in java

I'm looking for a Java function that canonicalizes an address. For example, ideally it would give me the same output for all of the following: "73 e main street apt 10, boston, ma 02129" "73 East ...
2
votes
0answers
90 views

Open Source Web Application for Managing Tennis Tournaments

Does anyone know a reliable open source Java/Python/PHP web application that I can use to manage tennis tournaments?
2
votes
0answers
39 views

Developing a web/desktop app on an android device

Are there tools that allow one to do professional development on a mobile device (specifically android)? The things I'm looking for are: I'm looking to develop a Java web application that will ...
2
votes
0answers
145 views

Java library to load CSV file into any JDBC database

I would like to know if there is any library that I can use to populate tables in my application (tests and data migration) from CSV files using JDBC. I know some databases has this feature but I ...
2
votes
0answers
152 views

Java Libraray to produce plain text markdown or asciidoc

There's a lot of libraries to render markdown file. But I cannot found any library to produce a *.md file from Java code. I'm looking for some library like: FileOutputStream outStream = new ...
2
votes
0answers
32 views

Software recommendation for a setup that requires fast atomic batch incrementations and fast batch reads of those counters

Context: This is a Jersey application Run on a Tomcat server Connects to a MySQL database using Hibernate All on Netbeans I have an application that has Item objects. Each Item has a unique Number ...
2
votes
0answers
287 views

Rule engine that stores rules in a property file or in the database

I am new to rule engines. I need an open source Java based Rule engine for my project. I want to store rules in a property file or in the database. I checked easyrules rule engine. It provides 3 ...