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"Java Authentication and Authorization Service, or JAAS, pronounced "Jazz", is a Java security framework for user-centric security to augment the Java code-based security. Since Java Runtime Environment 1.4 JAAS has been integrated with the JRE - previously JAAS was supplied as an extension library by Sun. JAAS's main goal is to separate the concerns of user authentication so that they may be managed independently."

This article explains how to develop RESTful web services in Java with the JAX-RS reference implementation Jersey. In this article Eclipse 3.5, Java 1.6, Tomcat 6.0 and JAX-RS 1.1. (Jersey 1.1.5) is used.

Scribe, the simple OAuth Java lib! Why use Scribe? Dead Simple Who said OAuth was difficult? Configuring scribe is so easy your grandma can do it! check it out:

This SDK provides an interface to the Yahoo! Messenger API (http://developer.yahoo.com/messenger/) and a sample GUI app both written in Java.

"Joda-Time provides a quality replacement for the Java date and time classes. The design allows for multiple calendar systems, while still providing a simple API. The 'default' calendar is the ISO8601 standard which is used by XML. The Gregorian, Julian, Buddhist, Coptic, Ethiopic and Islamic systems are also included, and we welcome further additions. Supporting classes include time zone, duration, format and parsing. "

The CDO (Connected Data Objects) Model Repository is a distributed shared model framework for EMF models and meta models. CDO is also a model runtime environment with a focus on orthogonal aspects like model scalability, transactionality, persistence, distribution, queries and more. CDO has a 3-tier architecture supporting EMF-based client applications, featuring a central model repository server and leveraging different types of pluggable data storage back-ends like relational databases, object databases and file systems. The default client/server communication protocol is implemented with the Net4j Signalling Platform.

"MVEL is a powerful expression language for Java-based applications. It provides a plethora of features and is suited for everything from the smallest property binding and extraction, to full blown scripts. For more information, jump right to the Getting Started Guide."

WindowBuilder Pro (also known as just WindowBuilder) is a powerful and easy to use bi-directional Java GUI designer. It is composed of SWT Designer, Swing Designer and GWT Designer and makes it very easy to create Java GUI applications without spending a lot of time writing code to display simple forms. With WindowBuilder Pro you can create complicated windows in minutes. Use the visual designer and Java code will be generated for you. You can easily add controls using drag-and-drop, add event handlers to your controls, change various properties of controls using a property editor, internationalize your app and much more.

Apache XML-RPC is a Java implementation of XML-RPC, a popular protocol that uses XML over HTTP to implement remote procedure calls. Version 3 of Apache XML-RPC is still compliant to the XML-RPC specification. However, the user may enable several vendor extensions are available, that greatly extend the power of XML-RPC: All primitive Java types are supported, including long, byte, short, and double. Calendar objects are supported. In particular, timezone settings, and milliseconds may be sent. DOM nodes, or JAXB objects, can be transmitted. So are objects implementing the java.io.Serializable interface. Both server and client can operate in a streaming mode, which preserves resources much better than the default mode, which is based on large internal byte arrays.

Apache Axis is an implementation of the SOAP ("Simple Object Access Protocol") submission to W3C. From the draft W3C specification: SOAP is a lightweight protocol for exchanging structured information in a decentralized, distributed environment. It is an XML based protocol that consists of three parts: an envelope that defines a framework for describing what is in a message and how to process it, a set of encoding rules for expressing instances of application-defined datatypes, and a convention for representing remote procedure calls and responses. This project is a follow-on to the Apache SOAP project. Please see the Reference Library for a list of technical resources that should prove useful.

ECF is a framework for building distributed servers, applications, and tools. It provides a modular implementation of the OSGi 4.2 Remote Services standard, along with support for REST-based and SOAP-based remote services, and asynchronous messaging for remote services. See the ECF Wiki for examples, tutorials, other documentation, as well as plans and efforts currently underway for future releases.

Robust implementation and avoid erratic delays are great benefits of Real-Time Java Platform. Aegis Software offering quality real-time application with standard java technologies and tools.

The Whole Platform is an open source technology for engineering the production of software. Based on the idea that programming is an activity concerning the development of domain languages, the Whole Platform provides an Eclipse-based Language Workbench

"A better way to build. Project automation is essential to the success of software projects. It should be straight-forward, easy and fun to implement. There is no one-size-fits-all process for builds. Therefore Gradle does not impose a rigid process over people. Yet we think finding and describing YOUR process is very important. And so, Gradle has the very best support for describing it. We don't believe in tools that save people from themselves. Gradle gives you all the freedom you need. Using Gradle you can create declarative, maintainable, concise and high-performance builds. "

" In general when people think about running a Java based application server with Apache as front-end they almost always think about using mod_jk to proxy to Glassfish, but you can also use mod_proxy quite effectively. If you are wanting to proxy from a HTTPS Apache to a HTTP Glassfish then this article describes how you can do that. "

"The concept of automatic incremental compilation is not familiar to many developers. A very frequent question from Eclipse beginners is, "where is the compile button?" The answer is that an IDE with automatic compilation doesn't need a compile button. Every time you make a change to a file, or a group of files, the incremental builder immediately rebuilds every source file that was affected by the change. In this environment, the idea of compilation as a task the user is involved in disappears -- the world is just always in a compiled state. So what magic goes on behind the scenes to make this happen? How does the Java™ builder know which files need to be recompiled when a given source file changes? This is no easy task, but in broad brush strokes, this is what the Eclipse Java builder does: "

Akka is the platform for the next generation event-driven, scalable and fault-tolerant architectures on the JVM We believe that writing correct concurrent, fault-tolerant and scalable applications is too hard. Most of the time it's because we are using the wrong tools and the wrong level of abstraction. Akka is here to change that. Using the Actor Model together with Software Transactional Memory we raise the abstraction level and provide a better platform to build correct concurrent and scalable applications. For fault-tolerance we adopt the "Let it crash" / "Embrace failure" model which have been used with great success in the telecom industry to build applications that self-heal, systems that never stop. Actors also provides the abstraction for transparent distribution and the basis for truly scalable and fault-tolerant applications. Akka is Open Source and available under the Apache 2 License.

" The UnboundID LDAP SDK for Java is a fast, powerful, user-friendly, and completely free Java API for communicating with LDAP directory servers. It offers better performance, better ease of use, and more features than other Java-based LDAP APIs, and it's the only one that's being actively developed and enhanced. The UnboundID LDAP SDK for Java is free to use and redistribute in open source or proprietary applications under the GPLv2, LGPLv2.1 and the UnboundID Free Use License. It doesn't have any third-party dependencies and commercial support is available from UnboundID. Get quick answers and all the details you need from our LDAP SDK Documentation »"

"Hibernate OGM is an attempt to store data in a NoSQL data grid using he Hibernate Core engine rather than rewriting a JPA engine from scratch. The benefits are fairly obvious: reimplementing the complex JPA specification is a lot of work a new implementation would mature at a rather slow rate and risk of bugs would be high Hibernate is familiar to many people Earlier designs for this feature in Infinispan can be found on http://community.jboss.org/wiki/DesignofJPA-likeAPIandNewFineGrainedreplication"

"JBoss World Keynote 2011"