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JCP Watch: New Java Standards for Wireless Architecture, Generic Connection Framework and Information Module Profile for J2ME

  • By Apu Shah
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Public Review Specifications

JSR-114 JDBC Rowset Implementations

Java Database Connectivity (JDBC) specifies a Rowset interface which allows programmatic access to manipulate and view tabular data stored within a database. However, JDBC does not specify any proposed implementations which is what this JSR intends to provide, a guideline for implementations of the Rowset interface.

The Public review closes on 26th July 2003. You may access the public review at http://jcp.org/aboutJava/communityprocess/review/jsr114/index.html.

JSR-95 J2EE Activity Service for Extended Transactions

This JSR deals with supporting long running, distributed and complex transactions. The resulting API's will provide a unified and modular interface to group multiple, distributed executions into a single logical transaction. This work is based on a submission to the Object Management Group (OMG) suggesting addendums to its Object Transaction Service specification.

The Public review closes on 8th August 2003. You may access the public review at http://jcp.org/aboutJava/communityprocess/review/jsr95/index.html.

JSR-168 Portlet Specification

Portlets are web components much like Servlets specifically designed to be aggregated in the context of a composite page. Usually, many Portlets are invoked to in the single request of a Portal page. Each Portlet produces a fragment of a page that it s combined with the fragments of other Portlets, composed within the Portal page. The Portlet specification will define the different components for Portal Computing, their interaction, lifecycle and semantics. These components will comprise -but they will not be restricted to-: Portlets, Deployment descriptor, Portlet APIs. In addition, APIs for vendor extensions, APIs for security, user customization and layout management will be considered. The Portlet specification will be based on the Servlet specification. It is envisioned that the developer API will be similar to the Servlet API.

The Public review closes on 16th August 2003. You may access the public review at http://jcp.org/aboutJava/communityprocess/review/jsr168/index.html.

JSR Final Ballot Approvals

The final specifications were approved were approved via ballot voting by the Executive Committee members. (http://jcp.org/en/participation/committee). At this stage, the complete final specification is available for download along with documentation and reference implementations of the specification.

JSR-185 Java Technology for the Wireless Industry

This is an umbrella JSR that covers the use and relation of various other JSR's relating to the wireless industry. In particular, this JSR describes and overall architecture of how the various proposed wireless API technologies work together to form a complete handset solution for the wireless services industry. This JSR was updated with a list of other JSR's under the umbrella of this JSR and provides a reference to the Java Wireless Architecture Roadmap This also links to an Open letter from the Expert group describing the status and future of this JSR.

You may download the final specification from http://jcp.org/aboutJava/communityprocess/first/jsr185/index.html.

JSR-195 Information Module Profile

This JSR will define a J2ME profile targeting embedded networked devices that wish to support a Java runtime environment similar to the Mobile Information Device Profile (MIDP) version 1.0, but that do not provide the graphical display capabilities required by MIDP 1.0. The Information Module Profile (IMP) will be a strict subset of MIDP 1.0, where the APIs relating to GUI functionality (the LCDUI) are simply removed. Functionality not already present in MIDP 1.0 is not anticipated or desired.

You may download the final specification from http://jcp.org/aboutJava/communityprocess/first/jsr195/index.html.

JSR-197 Generic Connection Framework Optional Package for the J2SE Platform

In order to support a generic mechanism of creating "connections" from small devices to other devices, networks or storage systems the Java Micro edition Platform (J2ME) defines a "Generic Connection Framework" (JSR-46). This generic framework provides runtime protocol binding and an abstraction to creating connections hiding all the protocol, transport and network specific details from the application programmer. The Java Standard Platform (J2SE) support connections through a number of libraries and classes within the java.io and java.net package namespaces. This JSR intends to provide the Generic Connection Framework as implemented in J2ME to J2SE. This will allow complete and seamless portability of applications written from J2ME to J2SE.

You may download the final specification from http://jcp.org/aboutJava/communityprocess/first/jsr197/index.html.

What do you think of the JCP? What do you think of the current JSRs? Do you have any suggestions for this column? Feel free to write to me at apu@jcpwatch.org.

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This article was originally published on July 25, 2003

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