+1 On Sat, Apr 23, 2011 at 1:57 PM, Simone Tripodi <simonetrip...@apache.org> wrote: > Hi all ASF mates, > I'm writing to submit a new incubator proposal, Apache OGNL. > Follows below the proposal; this vote will be open for 72 hours and > will be closed on April 26th (Tue) at 12:00 am CET. > Many thanks in advance to everyone will take pat to the vote! > Have a nice weekend, > Simo > > http://people.apache.org/~simonetripodi/ > http://www.99soft.org/ > > Apache OGNL > > Abstract > The following proposal is about Apache OGNL, a Java development > framework for Object-Graph Navigation Language, plus other extras such > as list projection[1], selection[2] and lambda expressions[3]. > > Proposal > OGNL started out as a way to set up associations between UI components > and controllers using property names. As the desire for more > complicated associations grew, Drew Davidson created what he called > KVCL, for Key-Value Coding Language, egged on by Luke Blanshard. Luke > then reimplemented the language using ANTLR, came up with the new > name, and, egged on by Drew, filled it out to its current state. Later > on Luke again reimplemented the language using JavaCC. Further > maintenance on all the code is done by Drew (with spiritual guidance > from Luke). > Today OGNL is maintained by Lukasz Lenart. > > Background > OGNL is a long living project born in the 1997 thanks to Drew Davidson > initial effort, moved under the OpenSymphony[4] umbrella in June 2005 > or thereabouts, then moved on its own domain on ognl.org[5] that's no > more maintained, then finally found place on GitHub[6], maintained by > Lukasz Lenart. > > Rationale > OGNL stands for Object Graph Navigation Language. It is an expression > and binding language for getting and setting properties of Java > objects. Normally the same expression is used for both getting and > setting the value of a property. > > Many people have asked exactly what OGNL is good for. Several of the > uses to which OGNL has been applied are: > > * A binding language between GUI elements (textfield, combobox, etc.) > to model objects. Transformations are made easier by OGNL's > TypeConverter mechanism to convert values from one type to another > (String to numeric types, for example). > * A data source language to map between table columns and a Swing TableModel. > * A binding language between web components and the underlying model > objects (WebOGNL, Tapestry, WebWork, WebObjects). > * A more expressive replacement for the property-getting language > used by the Apache Commons BeanUtils package or JSTL's EL (which only > allow simple property navigation and rudimentary indexed properties). > > Most of what you can do in Java is possible in OGNL, plus other extras > such as list projection and selection and lambda expressions. > > Current Status > > Meritocracy > As a majority of the initial project members are existing ASF > committers, we recognize the desirability of running the project as a > meritocracy. We are eager to engage other members of the community > and operate to the standard of meritocracy that Apache emphasizes; we > believe this is the most effective method of growing our community and > enabling widespread adoption. > > Core Developers > In alphabetical order: > > * Antonio Petrelli <apetrelli at apache dot org> > * Christian Grobmeier <grobmeier at apache dot org> > * Jesse Kuhnert <jkuhnert at apache dot org> > * Jochen Wiedmann <jochen at apache dot org> > * Lukasz Lenart <lukaszlenart at apache dot org> > * Olivier Lamy <olamy at apache dot org> > * Marc Andrew Davidson <drewd at apple dot com> > * Maurizio Cucchiara <mcucchiara at apache dot org> > * Simone Tripodi <simonetripodi at apache dot org> > * Upayavira <upayavira at apache dot org> > > Alignment > The purpose of the project is to develop and maintain OGNL > implementation that can be used by other Apache projects. > > Known Risks > Orphaned Products > Being OGNL widely adopted we believe there is minimal risks of this > work becoming non-strategic and the contributors are confident that a > larger community will form within the project in a relatively short > space of time. > > Moreover, OGNL has been already used by the following projects for years: > > * Apache Struts; > * Apache Tapestry; > * Apache Camel; > * Apache Tiles; > * MyBatis (formerly Apache iBATIS); > * Spring WebFlow. > > Inexperience with Open Source > All of the committers have experience working in one or more open > source projects inside and outside ASF. > > Homogeneous Developers > The list of initial committers are geographically distributed across > the USA and Europe with no one company being associated with a > majority of the developers. Many of these initial developers are > experienced Apache committers already and all are experienced with > working in distributed development communities. > > Reliance on Salaried Developers > To the best of our knowledge, none of the initial committers are being > paid to develop code for this project. > > Relationships with Other Apache Products > A number of existing ASF projects already benefit from OGNL > implementation, including Apache Struts, Apache Tapestry, Apache Tiles > and Apache Camel. It is hoped that members of those projects will be > interested in contributing to and adopting this implementation. > > A Excessive Fascination with the Apache Brand > OGNL fits naturally in the ASF because : > > * It is already adopted by ASF Projects; > * It is a key component on which many other projects can depend on. > > Documentation > 1. The original OGNL HomePage[7] > 2. The OGNL Language Guide[8] > 3. The OGNL Developer Guide[9] > > Initial Source > The intial source comprises code developed on GitHub[6] contributed > under Grant from Marc A. Davidson for OGNL. > > Source and Intellectual Property Submission Plan > Source code will be moved from GitHub[6] space inside the SVN space of > the podling, contributed under Grant from Marc A. Davidson for OGNL. > > External Dependencies > Currently OGNL depends on Javassist[10], that's released under dual > license MPL (the license under which javassist is usually distributed) > and LGPL2.1 (the license under which javassist is distributed when it > is bundled with JBoss). > Since MPL is one of Reciprocal Licenses[11], we intend to respect the > Javassist inclusion under conditions described on that page. > > Cryptography > The project does not handle cryptography in any way. > > Required Resources > * Mailing lists > * ognl-private (with moderated subscriptions) > * ognl-dev > * ognl-user > * ognl-commits > * Subversion directory > * https://svn.apache.org/repos/asf/incubator/ognl > * Website > * Confluence (OGNL) > * Issue Tracking > * JIRA (OGNL) > > Initial Committers > Names of initial committers - in alphabetical order - with affiliation > and current ASF status: > > * Antonio Petrelli <apetrelli at apache dot org> (PMC Member) > * Christian Grobmeier <grobmeier at apache dot org> (ASF Member) > * Jesse Kuhnert <jkuhnert at apache dot org> (PMC Member) > * Jochen Wiedmann <jochen at apache dot org> (PMC Member) > * Lukasz Lenart <lukaszlenart at apache dot org> (ASF Member) > * Olivier Lamy <olamy at apache dot org> (ASF Member) > * Marc Andrew Davidson <drewd at apple dot com> (ICLA signed) > * Maurizio Cucchiara <mcucchiara at apache dot org> (Committer) > * Simone Tripodi <simonetripodi at apache dot org> (PMC Member) > * Upayavira <upayavira at apache dot org> (ASF Member) > > Sponsors > Champion > * Lukasz Lenart > > Nominated Mentors > * Christian Grobmeier <grobmeier at apache dot org> > * Jochen Wiedmann <jochen at apache dot org> > * Olivier Lamy <olamy at apache dot org> > * Upayavira <upayavira at apache dot org> > > Sponsoring Entity > * Apache Incubator PMC - voting passed[12] > > Other interested people (in alphabetical order) > * Dave Newton <davelnewton at gmail dot com> > * Nuwan Arambage <nuwan dot arambage at gmail dot com> > * Tiger Gui <tigergui1990 at gmail dot com> > * Xun Long Gui <ustbcoder at gmail dot com> (already worked on > Commons SCXML on Sandbox[13] for GSoC 2010) > > [1] http://www.opensymphony.com/ognl/html/LanguageGuide/projection.html > [2] http://www.opensymphony.com/ognl/html/LanguageGuide/selection.html > [3] http://www.opensymphony.com/ognl/html/LanguageGuide/lambdaExpressions.html > [4] http://www.opensymphony.com/ognl/ > [5] http://www.ognl.org/ > [6] https://github.com/jkuhnert/ognl/ > [7] http://www.opensymphony.com/ognl/ > [8] http://www.opensymphony.com/ognl/html/LanguageGuide/index.html > [8] http://www.opensymphony.com/ognl/html/DeveloperGuide/index.html > [10] http://www.csg.is.titech.ac.jp/~chiba/javassist/ > [11] http://www.apache.org/legal/resolved.html > [12] http://markmail.org/message/ylt25u5doktxuorl > [13] http://commons.apache.org/sandbox/gsoc/2010/scxml-eclipse/index.html > > --------------------------------------------------------------------- > To unsubscribe, e-mail: general-unsubscr...@incubator.apache.org > For additional commands, e-mail: general-h...@incubator.apache.org > >
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