If you're on Java 1.2, won't you need to add a dependency on an XML parser?
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]
