Saturday Aug 01, 2009

Patient Lookup Portlet with a Google Map, Route and Directions

In this walkthrough I will add a Google Map showing a Route between patient’s home address location and the location of patient's facility of record, as well as directions to follow along this route, to the Visual Web JSF Portlet developed in “Patient Lookup Visual Web JSF Portlet with a nicer looking Google Map”.

The walkthrough document is here: 02_PatienLookup_VWJSFPortletGooRoute.pdf

The comnpanion archive with NetBeans project artifacts is here: PatientLookupGooRouteVWJSFP.zip

Friday Jul 31, 2009

Patient Lookup Visual Web JSF Portlet with a nicer looking Google Map

The previous blog, walked through development and deployment of the Patient Lookup Portlet with a basic Google Map centered at the location identified by patient address, if any. It was a fairly basic Google Map, as Google maps go. In this document I will add a better looking Google Map to the Patient Lookup Portlet, explicitly using Google Maps APIs to construct the map.

The walkthrough is here: 02_PatienLookup_VWJSFPortletGooMapFancy.pdf

The companion archive, containing the NetBeans project, is here: PatientLookupGooMapBetterVWJSFP.zip

Wednesday Jul 22, 2009

GlassFish v 2.1, Web Space Server 10 - Patient Lookup Visual Web JSF Portlet with a basic Google Map

The business idea behind the functionality developed in this walkthrough is that patients are looked after in various healthcare facilities. Healthcare workers need to lookup patient details such as their identifier, gender, birth date or address. A relational database holds patient details as well as other information of relevance such as descriptions of various coded values. Patient details are available through a web service. Facility list and details, used to narrow down the search for patients to a specific facility, are available through a web service. These web services will be used to construct the Portlet that will allow patient search and a display of patient details with display a Google Map, centered at patient’s address, if one is available and is valid for the purpose of mapping. This Portlet will be deployed to the Sun FOSS Web Space Server 10 Portal.

The previous blog entry walked through development and deployment of the basic Patient Lookup Portlet. In this document I add a basic Google Map to the Patient Lookup Portlet.

Other blog entries in this series walked the reader through the process of implementing GlassFish ESB v2.1-based web services which return facility list and facility details as well as patient details.

Note that this walkthrough builds on the Patient Lookup Portlet, built previously, but deals exclusively with Visual Web JSF portlet-related technologies, Java Script and Google Maps API.

The walkthrough document is here: 02_PatienLookup_VWJSFPortletGooMapBasic.pdf

The project archive is here: PatientLookupGooMapBasicVWJSFP_companion_archive.zip

Saturday Jun 27, 2009

Healthcare Facility Mashup Portlet with Google Map - GlassFish v 2.1, Web Space 10, Web Service and REST Service

The Portlet developed in the previous blog gives plain facility details. A richer Portlet could use the facility address to show the facility location on a Map.

Here I will walk through development of a Visual Web JSF Mashup Portlet, which will use a Web Service as a data provider to get facility details and a Google Maps REST Service to get the Google map displaying facility location. I use the NetBeans 6.5.1 IDE, part of the GlassFish ESB v2.1 installation, the Portal Pack 3.0.1 NetBeans Plugin and the JSF Portal Bridge provided by the Web Space Server 10. The Portlet will use JSF components provided by Project Woodstock. The Google Map service is integrated into NetBeans IDE. Technologies will be introduced in a practical manner.

It took me some effort to work out how to add a Google Map to a Portlet so I though I will share the experience.

This is not a tutorial on JavaServer Faces, Visual Web JSF, Project Woodstock, Portlet development or Google Maps usage.

Here is the document: 01_FacilityService_WebSpacePortletWithGoogleMap.pdf

Here is an archive containing all the projects developed in this and the last 3 blog entries: 01_FacilityService_all_project.zip

As provided, the ui_facility table has a bunch of addresses which are fairly silly and will never get a proper map. This MySQL script has a bunch of SQL update statements to replace these addresses with real addresses that are mappable.

Wednesday Jun 24, 2009

NetBeans 6.5.1, GlassFish v 2.1, Web Space Server 10 - Creating a Healthcare Facility JSR286-compliant Portlet

In some views SOA is represented as a series of 4 layers: Presentation Layer (SOA 1), Business Process Layer (SOA 2), Business Service Layer (SOA 3) and Technical Layer (SOA 4). Typically each layer higher up in the hierarchy consumes services exposed by the layer under it. So the Presentation Layer would consume services provided by the Business Process or Business Service Layers. Service interfaces are described using Web Services Description Language (WSDL), sheltering service consumers from details of service implementation. Web Services are seen as the technical means to implement the decoupled functional layers in a SOA development. Decoupling allows implementations of business functionality at different layers to be swapped in and out without disturbing other layers in the stack. The SOA 1, Presentation Layer, is often implemented as JSR-168-compliant or JSR-286-complaint Portlets, exposed through a standards-based Portal.

The business idea is that patients are looked after in various healthcare facilities. Applications need to allow selection of a facility and to access facility details for display to human operators. A relational holds details of facilities which are a part of the healthcare enterprise. Facility list and details are available through a web service. This web service will be used to construct the JSR-286-comliant Portlet that provides a user view into the facilities and facility details. This Portlet will be deployed to the Sun FOSS Web Space Server 10 Portal.

Previous documents in this series, “GlassFish ESB v 2.1   Creating a Healthcare Facility Web Service Provider”, at http://blogs.sun.com/javacapsfieldtech/entry/glassfish_esb_v_2_1 and “NetBeans 6.5.1 and GlassFish v 2.1 - Creating a Healthcare Facility Visual Web Application”, http://blogs.sun.com/javacapsfieldtech/entry/netbeans_6_5_1_and, walked the reader through the process of implementing a GlassFish ESB v2.1-based web service which returns facility list and facility details, and a Visual Web JSF Web Application which used that Web Service to display facility list and details.
In this document I will walk through the process of developing a JSR-286-compliant Visual Web JSF Portlet, deployed to the Sun Web Space Server 10 Portal, which will use the Web Service as a data provider. We will use the NetBeans 6.5.1 IDE, which comes as part of the GlassFish ESB v2.1 installation, the Portal Pack 3.0.1 NetBeans Plugin and the JSF Portal Bridge infrastructure provided by the Web Space Server 10. The Portlet will be implemented as a Visual Web JavaServer Faces Portlet using JSF components provided by Project Woodstock. The Portlet will introduce the technology in a practical manner and show how a web service can be used as a data provider, decoupling the web application from the data stores and specifics of data provision.

Note that this document is not a tutorial on JavaServer Faces, Visual Web JSF, Project Woodstock components or Portlet development. Note also that all the components and technologies used are either distributed as part of the NetBeans 6.5, as part of the GalssFish ESB v2.1, as part of the Web Space Server 10 or are readily pluggable into the NetBeans IDE. All are free and open source.

Here is teh document: 01_FacilityService_WebSpacePortlet.pdf

Tuesday Jun 23, 2009

NetBeans 6.5.1 and GlassFish v 2.1 - Creating a Healthcare Facility Visual Web Application

In some views SOA is represented as a series of 4 layers: Presentation Layer (SOA 1), Business Process Layer (SOA 2), Business Service Layer (SOA 3) and Technical Layer (SOA 4). Typically each layer higher up in the hierarchy consumes services exposed by the layer under it. So the Presentation Layer would consume services provided by the Business Process or Business Service Layers. Service interfaces are described using Web Services Description Language (WSDL), sheltering service consumers from details of service implementation. Web Services are seen as the technical means to implement the decoupled functional layers in a SOA development. Decoupling allows implementations of business functionality at different layers to be swapped in and out without disturbing other layers in the stack.

The business idea is that patients are looked after in various healthcare facilities. Frequently applications need to allow selection of a facility and to access facility details for display to human operators. A relational database is used to hold the details of facilities which are a part of the healthcare enterprise. To shelter application developers from the details of the data store facility list and details are made available as a multi-operation web service. This web service will be used to construct the web application that provides a user view into the facilities and facility details.

The previous document in this series, “GlassFish ESB v 2.1   Creating a Healthcare Facility Web Service Provider”, at http://blogs.sun.com/javacapsfieldtech/entry/glassfish_esb_v_2_1, walked the reader through the process of implementing a GlassFish ESB v2.1-based, multi-operation web service which returns facility list and facility details. In this document I will walk through the process of developing a Visual Web Application which will use the Web Service as a data provider. We will use the NetBeans 6.5.1 IDE, which comes as part of the GlassFish ESB v2.1 installation. The application will be implemented as a Visual Web JavaServer Faces Application using JSF component provided by Project Woodstock. This application will introduce the technology in a practical manner and show how a multi-operation web service can be used as a data provider, decoupling the web application from the data stores and specifics of data provision.

Note that this document is not a tutorial on JavaServer Faces, Visual Web JSF, Project Woodstock components or Web Application development. Note also that all the components and technologies used are either distributed as part of the NetBeans 6.5, as part of the GalssFish ESB v2.1 or are readily pluggable into the NetBeans IDE. All are free and open source.

It is assumed that a GlassFish ESB v2.1-based infrastructure, supplemented by the Sun WebSpace Server 10 Portal functionality and a MySQL RDBMS instance, are available for development and deployment of the web application discussed in this paper. It is further assumed that the web service, developed using instructions in “GlassFish ESB v 2.1 - Creating a Healthcare Facility Web Service Provider”, at http://blogs.sun.com/javacapsfieldtech/entry/glassfish_esb_v_2_1, is available and deployed to the infrastructure. The instructions necessary to install this infrastructure are discussed in the blog entry “Adding Sun WebSpace Server 10 Portal Server functionality to the GlassFish ESB v2.1 Installation” at http://blogs.sun.com/javacapsfieldtech/entry/adding_sun_webspace_server_10, supplemented by the material in blog entry “Making Web Space Server And Web Services Play Nicely In A Single Instance Of The Glassfish Application Server”, at http://blogs.sun.com/javacapsfieldtech/entry/making_web_space_server_and.

Here is the document - 01_FacilityService_WebApplication.pdf

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In this Blog I post abstracts of articles / writeups / notes on various aspects of Java CAPS and SOA Suite including solutions, discussions and screencasts. The links to the referenced material are included in the bodies of the abstracts.

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