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RE: [wsrp-markup] [wsrp][markup] Aug 14 Conf Call Minutes
Regarding attachments (SOAP vs. DIME): If we define three binding factors: SOAP attachments, DIME, and none, and we define that a producer may choose which ones it supports, and we define that a consumer does not have to support all three, then why do we require the consumer to support either DIME or SOAP? We are already saying that some compliant producers will not be able to work with some compliant consumers, so what's the point? I suggest we only require every consumer and producer to support the non-attachment binding, and make the others optional optimizations. Yossi. -----Original Message----- From: Chris Braun [mailto:] Sent: Wednesday, August 14, 2002 11:34 PM To: WSRP-Markup Subject: [wsrp-markup] [wsrp][markup] Aug 14 Conf Call Minutes Here are the minutes for this weeks conference call. Attendees: Chris Braun Michael Freedman Alejandro Abdelnur Carsten Leue Eric Van Lydegraf Andre Kramer Discussion: 1. Resource URLs a. Proxy Resource URL i. Versus Portlet Entity Resources JSR 168 does not have the notion of embedding large binary content within the markup. JSR 168 only addresses portlets rendering markup or redirecting to a web resource. Does it make sense for a local portlet to be accessing the containers response output stream. This does seem contradictory to the portlet model. This discussion will be continued in the next JSR 168 conf call as well as the FTF, which is in two weeks. We will try to incorporate a model for WSRP based on the information that we learn from the JSR 168 conversations. The key question that has to be answered is: Do we support the notion of embedding binary data within the markup of a portlet's markupResponse or would it make more sense to create a new interface, getResource, for sending binary attachments? TODO: Alejandro will bring this up as a point of discussion for JSR 168. ii. Multiple Resource Locations (Proxy URLs) It was discussed that it may be worthwhile to specify a mechanism from portlets to be able to use relative references. In a complex producer container, such as a JSR 168 container, the resource URL is constructed by the container. This makes the actual URL transparent to the developer. For simple producers the URLs would have to be fully qualified. Thus, all Proxy URLs must be fully qualified. weather this is handled by the producer or the actual entity is out of the scope of WSRP. b. Portlet Resource URL i. Do we need another URL type to distinguish between proxy and portlet entity recourses. Such as wsia:urlType=resource and wsia:urlType=proxyresource Tabled until next week. May be dependent on how/if binary attachments will be handled within markup. ii. Is there a new method signature for the interface, such as getResource() ? Or is this embedded in the getMarkup call? Tabled. Continue discussion after JSR 168 has a chance to discuss this. 2. Attachments a. Soap Vs. Dime - Soap Dependency - Effect on WSDL Binding info - Implementation Specific? SOAP has issues with carrying large data blocks within the body of a soap message. We will allow both SOAP-Attachments and DIME. The idea is that we provide 3 WSDL binding schemas: A simple binding schema which does not include support for attachments; A binding schema which defines SOAP attachments; A schema which defines DIME attachments. Since DIME requires interface additions we can add these to the main WSDL interface as optional. We won't make the requirement that the consumer supports both attachment types. For example .NET consumers will not support SOAP attachments and a JAX-RPC container may not support DIME. We will require that the consumer support one of the WSDL bindings with support for attachments. We will also require that the consumer must support the simple WSDL binding. TODO: Alejandro: Follow up with JAX-RPC to understand possible support for DIME. Carsten: Prototype (POC) using optional DIME tags within a non-DIME consumer. Carsten and Andre: Write-up describe consumer relationship with attachment binding: Dynamically created proxies and Pre-created proxies b. Where is the attachment embedded for both a response and a request (i.e. interactionContext, interactionResponse, markupContext, markupResponse)? The current thought is that we embed the request attachment within the interactionContext and the response attachment within the markupResponse. We should investigate how this would map to the JSR 168 local portlet world. - Window States Can portlet entities render action links which change window state? Portlet entities should be able to render markup links that will enable user to change window state and portlet mode. To enable this we need to define well known property names and values. For example wsia:mode=edit|help|configure|view and wsia:windowState=normal|minimized|maximized. This will be added to the producer and consumer URL rewrite semantics. We also need to define an extensibility mechanism so that custom modes (or possibly window states) can be introduced by portlet producers. The performInteraction interface should be enhanced to allow entities to programmatically set window states and portlet modes. Registration MetaData may need to include a semantic for providing supported modes and window states as well as custom mode information. We may need to formalize a custom modes/window state extension mechanism. TODO: Interfaces Group: Add properties to performInteraction for windowState and Mode support Postponed Topics - URL encoding (Revisit) - Button and Label consistency across portlets How can configuration interfaces maintain a consistent look and verbiage across entities. For example when saving customize information should buttons read "apply" or "save".
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