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Echo (framework)
Echo is a web application framework created by the company NextApp. The latest iteration, Echo3, allows writing applications in either server-side Java or client-side JavaScript. Server-side applications do not require developer knowledge of HTML, HTTP, or JavaScript. Client-side JavaScript-based applications do not require a server, but can communicate with one via AJAX. It is free software licensed under the terms of the Mozilla Public License (MPL). Echo2 Echo originally started as a request-response web application framework that leveraged the Swing object model to improve the speed of application development. Through the use of the Swing model, Echo was able to employ concepts such as components and event-driven programming that removed much of the pain of web application development. In late 2005, NextApp formally announced the release of their new Ajax based web application platform, "Echo2". This framework built on the concepts of Echo (well known API, total web abst ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Java (programming Language)
Java is a high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. It is a general-purpose programming language intended to let programmers ''write once, run anywhere'' ( WORA), meaning that compiled Java code can run on all platforms that support Java without the need to recompile. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture. The syntax of Java is similar to C and C++, but has fewer low-level facilities than either of them. The Java runtime provides dynamic capabilities (such as reflection and runtime code modification) that are typically not available in traditional compiled languages. , Java was one of the most popular programming languages in use according to GitHub, particularly for client–server web applications, with a reported 9 million developers. Java was originally developed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer Performance
In computing, computer performance is the amount of useful work accomplished by a computer system. Outside of specific contexts, computer performance is estimated in terms of accuracy, efficiency and speed of executing computer program instructions. When it comes to high computer performance, one or more of the following factors might be involved: * Short response time for a given piece of work. * High throughput (rate of processing work). * Low utilization of computing resource(s). ** Fast (or highly compact) data compression and decompression. * High availability of the computing system or application. * High bandwidth. * Short data transmission time. Technical and non-technical definitions The performance of any computer system can be evaluated in measurable, technical terms, using one or more of the metrics listed above. This way the performance can be * Compared relative to other systems or the same system before/after changes * In absolute terms, e.g. for fulfilling a con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apache Wicket
Apache Wicket, commonly referred to as Wicket, is a component-based web application framework for the Java programming language conceptually similar to JavaServer Faces and Tapestry. It was originally written by Jonathan Locke in April 2004. Version 1.0 was released in June 2005. It graduated into an Apache top-level project in June 2007. Rationale Traditional model-view-controller (MVC) frameworks work in terms of whole requests and whole pages. In each request cycle, the incoming request is mapped to a method on a ''controller'' object, which then generates the outgoing response in its entirety, usually by pulling data out of a ''model'' to populate a ''view'' written in specialized template markup. This keeps the application's flow-of-control simple and clear, but can make code reuse in the controller difficult. In contrast, Wicket is closely patterned after stateful GUI frameworks such as Swing. Wicket applications are trees of ''components'', which use listener del ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ICEfaces
ICEfaces is an open-source Software development kit that extends JavaServer Faces (JSF) by employing Ajax. It is used to construct rich Internet applications (RIA) using the Java programming language. With ICEfaces, the coding for interaction and Ajax on the client side is programmed in Java, rather than in JavaScript, or with plug-ins. Architecture ICEfaces is designed to work with Java EE servers, encapsulating Ajax calls. ICEfaces is based on the JavaServer Faces standard, it extends some standard components supplemented with in-built Ajax. ICEfaces allows partial submits. It also provides "Ajax Push", a variant of Comet capability, that can update the DOM of a web page from the server-side. Comparable frameworks * Apache MyFaces * Echo * ADF Faces * PrimeFaces * RichFaces * Vaadin Vaadin () is an open-source web application development platform for Java. Vaadin includes a set of Web Components, a Java web framework, and a set of tools that enable developers to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
OpenLaszlo
OpenLaszlo is a discontinued open-source platform for the development and delivery of rich web applications. It is released under the Open Source Initiative certified Common Public License (CPL). The OpenLaszlo platform consists of the LZX programming language and the OpenLaszlo Server. LZX is an Extensible Markup Language (XML) and JavaScript description language similar in spirit to XUL, MXML, and Extensible Application Markup Language (XAML). LZX enables a declarative, text-based development process that supports rapid prototyping and software development best practices. It is designed to be familiar to traditional web application developers who are familiar with HTML and JavaScript. OpenLaszlo Server is a Java servlet that compiles LZX applications into executable binaries for targeted run-time environments. Deployment Laszlo applications can be deployed as traditional Java servlets, which are compiled and returned to the browser dynamically. This method requires tha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ZK (framework)
ZK is an open-source Ajax Web application framework, written in Java, that enables creation of graphical user interfaces for Web applications with little required programming knowledge. The core of ZK consists of an Ajax-based event-driven mechanism, over 123 XUL and 83 XHTML-based components, and a mark-up language for designing user interfaces. Programmers design their application pages in feature-rich XUL/XHTML components, and manipulate them upon events triggered by end user's activity. It is similar to the programming model found in desktop GUI-based applications. ZK uses a server-centric approach in which the content synchronization of components and the event pipe-lining between clients and servers are automatically done by the engine, and Ajax plumbing codes are completely transparent to web application developers. Therefore, the end users get the similar engaged interactivity and responsiveness as a desktop application, while programmers' development retains a similar si ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Remote Application Platform
Remote Application Platform (RAP, formerly ''Rich Ajax Platform'') Project is an open-source software project under the Eclipse Technology Project which aims to enable software developers to build Ajax-enabled rich Internet applications by using the Eclipse development model, plugins and a Java-only application programming interface (API). It can be considered a counterpart for web development to the Rich Client Platform The rich client platform (RCP) is a programmer tool that makes it easier to integrate independent software components, where most of the data processing occurs on the client side. Overview RCP is a software consisting of the following components ... (RCP). The API is very similar to RCP so developers who know RCP can reuse extant knowledge. RAP encourages sharing source code between RCP and RAP applications to reduce the development effort for business applications that need both desktop-based and web-based front ends. References Bibliography * External l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vaadin
Vaadin () is an open-source web application development platform for Java. Vaadin includes a set of Web Components, a Java web framework, and a set of tools that enable developers to implement modern web graphical user interfaces (GUI) using the Java programming language only (instead of HTML and JavaScript), TypeScript only, or a combination of both. History Development was first started as an adapter on top of the Millstone 3 open-source web framework released in the year 2002. It introduced an Ajax-based client communication and rendering engine. During 2006 this concept was then developed separately as a commercial product. As a consequence of this, a large part of Vaadin's server-side API is still compatible with Millstone's Swing-like APIs. In early 2007 the product name was changed to IT Mill Toolkit and version 4 was released. It used a proprietary JavaScript Ajax-implementation for the client-side rendering, which made it rather complicated to implement new widgets. By the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Java Platform
Java is a set of computer software and specifications developed by James Gosling at Sun Microsystems, which was later acquired by the Oracle Corporation, that provides a system for developing application software and deploying it in a cross-platform computing environment. Java is used in a wide variety of computing platforms from embedded devices and mobile phones to enterprise servers and supercomputers. Java applets, which are less common than standalone Java applications, were commonly run in secure, sandboxed environments to provide many features of native applications through being embedded in HTML pages. Writing in the Java programming language is the primary way to produce code that will be deployed as byte code in a Java virtual machine (JVM); byte code compilers are also available for other languages, including Ada, JavaScript, Python, and Ruby. In addition, several languages have been designed to run natively on the JVM, including Clojure, Groovy, and Scala. J ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Multitier Architecture
In software engineering, multitier architecture (often referred to as ''n''-tier architecture) is a client–server architecture in which presentation, application processing and data management functions are physically separated. The most widespread use of multitier architecture is the three-tier architecture. ''N''-tier application architecture provides a model by which developers can create flexible and reusable applications. By segregating an application into tiers, developers acquire the option of modifying or adding a specific tier, instead of reworking the entire application. A three-tier architecture is typically composed of a ''presentation'' tier, a ''logic'' tier, and a ''data'' tier. While the concepts of layer and tier are often used interchangeably, one fairly common point of view is that there is indeed a difference. This view holds that a ''layer'' is a logical structuring mechanism for the conceptual elements that make up the software solution, while a ''tier'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Google Web Toolkit
Google Web Toolkit (GWT ), or GWT Web Toolkit, is an open-source set of tools that allows web developers to create and maintain JavaScript front-end applications in Java. It is licensed under the Apache License 2.0. GWT emphasizes reusable approaches to everyday web development tasks, namely asynchronous remote procedure calls, history management, bookmarking, UI abstraction, internationalization, and cross-browser portability. History GWT version 1.0 RC 1 was released on May 16, 2006. Google announced GWT at the JavaOne conference in 2006. In August 2010, Google acquired Instantiations, a company known for focusing on Eclipse Java developer tools, including GWT Designer, which is now bundled with Google Plugin for Eclipse. In 2011 with the introduction of the Dart programming language, Google reassured the GWT community that GWT would continue to be supported for the foreseeable future but also hinted at a possible rapprochement between the two Google approaches t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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