On 8/8/05, Gary Gregory <[EMAIL PROTECTED]> wrote: > If you're on Java 1.2, won't you need to add a dependency on an XML > parser? <snip/>
Indeed, should have made that clear. I am on 1.4, though the minimum JDK version could be 1.2, if that is a concern. Is there a minimum JDK version we shoot for, for Commons projects? (or is least possible the answer). -Rahul > > Gary > > > -----Original Message----- > > From: Rahul Akolkar [mailto:[EMAIL PROTECTED] > > Sent: Monday, August 08, 2005 11:23 AM > > To: commons-dev@jakarta.apache.org > > Subject: [PROPOSAL] Commons SCXML > > > > -= Proposal for Commons SCXML =- > > > > [I] Rationale: > > > > The World Wide Web Consortium (W3C) Voice Browser Working Group > > recently announced the publication of the first Working Draft of State > > Chart XML (SCXML) [1]. SCXML provides a generic state-machine based > > execution environment based on CCXML and Harel State Tables. SCXML is > > a candidate for the control language within multiple markup languages > > coming out of the W3C (see Working Draft for details). There are > > potential use cases for SCXML within Apache projects. The availability > > of an SCXML engine as a Jakarta Commons library will be of much > > benefit. > > > > No such library exists in Jakarta Commons (or anywhere else, AFAIK, > > under ASF license). > > > > [II] Scope: > > The package shall create and maintain an SCXML engine, capable of > > executing a state machine defined using a SCXML document, while > > abstracting out the environment interfaces. The codebase will be in > > Java, distributed under the ASF license. > > > > [III] Dependencies: > > > > The SCXML codebase has the following dependencies: > > a) Commons Digester > > b) Commons Logging > > > > Expression evaluation in SCXML documents is environment specific, the > > expression evaluator and context of evaluation is envisioned to be > > "pluggable", and the project possibly producing a > > commons-scxml-core.jar and adapters for various environments. The > > existing code provides an example for the servlet/JSP environment > > using: > > c) Commons EL > > > > The minimum JDK version shall be 1.2 > > > > [IV] Code Provenance: > > > > The authors of this original work are Jaroslav Gergic and Rahul > > Akolkar, and the code was contributed to Jakarta Taglibs, as part of > > the RDC Taglib [2]. The code is already distributed under the Apache > > license, in the RDC nightlies. > > > > Source is available for viewing [3] > > Javadoc is available as part of the RDC Javadoc [4] > > > > [V] Naming, Resources and Conventions: > > > > The base name for the proposed package will be: > > > > org.apache.commons.scxml > > > > The project will use the Jakarta Commons user and dev mailing lists, > > will create a component repository named "scxml" (lower case) in SVN > > under commons-sandbox and will be listed as "SCXML" (upper case) in > > the component list under the Jakarta-Commons Bugzilla entry. Sun Java > > conventions shall be used for coding style. > > > > [VI] Committer Interest: > > > > The following Apache committers have expressed interest in the > > creation of this Commons Sandbox component [5]: > > A) Martin Cooper > > B) Rahul Akolkar > > > > The RDC Taglib will have a dependency on Commons SCXML, so we have at > > least one immediate user project within Apache. The RDC Taglib is one > > of the active tag libraries in Jakarta Taglibs, with a 1.0 release cut > > couple of weeks ago [6]. The SCXML code is under development [7], and > > was not part of the 1.0 release. > > > > -Rahul Akolkar > > > > P.S. Hen (or anyone else in the infra role) - If there are no > > objections, I'd like to start putting the new sandbox component > > together. Therefore, I'd like to request karma for commons-sandbox. > > > > Reference Links (might get fragmented, please copy with care): > > > > [1] W3C SCXML Working Draft [ > http://www.w3.org/TR/2005/WD-scxml-20050705/ > > ] > > [2] Reusable Dialog Components (RDC) Taglib [ > > http://jakarta.apache.org/taglibs/doc/rdc-doc/intro.html ] > > [3] SCXML codebase, direct [ > > > http://svn.apache.org/repos/asf/jakarta/taglibs/proper/rdc/trunk/src/org > /a > > pache/taglibs/rdc/scxml/ > > ] > > [4] SCXML Javadoc, see relevant bits of [ > > http://jakarta.apache.org/taglibs/doc/rdc-doc/javadoc/index.html ] > > [5] The thread on taglibs-dev that initiated this proposal [ > > http://mail-archives.apache.org/mod_mbox/jakarta-taglibs- > > dev/200508.mbox/[EMAIL PROTECTED] > > ] > > [6] RDC Taglib 1.0 release news item [ > > http://jakarta.apache.org/site/news/news-2005-q3.html#20050726.1 ] > > [7] Status of SCXML codebase (from RDC Taglib revision history), see > > revision posting on 07/29/05 [ > > http://jakarta.apache.org/taglibs/doc/rdc-doc/changes.html ] > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
