Download pdf - Developing ArcGIS Server Application With Java - rivm.nl · Developing ArcGIS Server Application With Java. ... J2EE Container Web Browser ArcGIS Explorer ... –Publish Java Web

CJMTK UC 2007CJMTK UC 2007 11

Frank XiaFrank XiaGary SheppardGary Sheppard

ESRI Washington DCESRI Washington DC

Developing Developing ArcGISArcGIS Server Application With JavaServer Application With Java


AgendaAgenda

•• Overview of Overview of ArcGISArcGIS 9.2 Server Architecture9.2 Server Architecture•• ArcGISArcGIS 9.2 Java Web ADF9.2 Java Web ADF•• Task FrameworkTask Framework•• AJAX AJAX LiefcycleLiefcycle•• Enterprise ADFEnterprise ADF•• Server API choicesServer API choices•• Concluding RemarksConcluding Remarks


ArcGISArcGIS 9.2 Server9.2 Server

•• Complete & Integrated serverComplete & Integrated server--based GISbased GIS•• OutOut--ofof--thethe--box applications and services box applications and services •• Rich developer opportunitiesRich developer opportunities

ArcGIS ServerArcGIS Server

Spatial DataSpatial DataManagementManagement

VisualizationVisualization(Mapping)(Mapping)

SpatialSpatialAnalysisAnalysis

Web MapWeb Map

ArcGISArcGISMobileMobile

ArcGISArcGISExplorerExplorer

ArcGISArcGISDesktopDesktop

JavaJava

.NET.NET


ArcGISArcGIS 9.2 Server 9.2 Server ArchitectureArchitecture ArcGIS Server

Web Browser

ArcGIS Explorer

ArcMap, ArcGlobe

InternetInternetInternet

Manager

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)

Application Development Framework (ADF)


ArcGISArcGIS 9.2 Server 9.2 Server ArchitectureArchitecture


Manager

ArcGIS Server

J2EE Container

Web Browser

ArcGIS Explorer

ArcMap, ArcGlobe

Java Web ServerJava Web Server

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)





Manager

ArcGIS Server

Web Browser

ArcGIS Explorer

ArcMap, ArcGlobe

IISIIS Web ServerWeb Server

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)





Manager

ArcGIS Server

J2EE Container

Web Browser

ArcGIS Explorer

ArcMap, ArcGlobe


IISIIS Web ServerWeb Server

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)

And/Or





GIS ServerGIS Server (SOM/SOC)(SOM/SOC)

Manager

ArcGIS Server

J2EE Container

Web Browser

ArcGIS Explorer

ArcMap, ArcGlobe





GIS ServerGIS Server (SOM/SOC)(SOM/SOC)

Manager

ArcGIS Server

J2EE ContainerWeb Browser

ArcGIS Explorer

ArcMap, ArcGlobe



What is What is ArcGISArcGIS Server 9.2 for JavaServer 9.2 for Java•• A A complete,complete, out of the box Web based GISout of the box Web based GIS

–– Publish rich GIS ServicesPublish rich GIS Services•• 2D and 3D Mapping services2D and 3D Mapping services•• GeocodingGeocoding•• GeodataGeodata•• Network AnalysisNetwork Analysis•• GeoprocessingGeoprocessing servicesservices•• SOAP, WMS, and KML based servicesSOAP, WMS, and KML based services

–– Publish Java Web Mapping ApplicationsPublish Java Web Mapping Applications–– Publish Java Enterprise (EJB) Mapping ApplicationsPublish Java Enterprise (EJB) Mapping Applications–– Out of the box clients Out of the box clients -- ArcGISArcGIS Explorer, Explorer, ArcGISArcGIS DesktopDesktop

•• A development platform for JavaA development platform for Java–– Java Web Application Development FrameworkJava Web Application Development Framework–– Java Enterprise Application Development FrameworkJava Enterprise Application Development Framework

•• IDE IntegrationIDE Integration–– Sun Java Studio CreatorSun Java Studio Creator–– EclipseEclipse


DemoDemo

•• Create aCreate a web web application using managerapplication using manager


ArcGISArcGIS Server 9.2Server 9.2 Java ADFJava ADF

•• Java Application Development Framework (ADF)Java Application Development Framework (ADF)–– Web ADFWeb ADF–– Enterprise ADFEnterprise ADF


Web Application DevelopmentWeb Application Development

•• What is the Web ADFWhat is the Web ADF•• Important ADF Classes and InterfacesImportant ADF Classes and Interfaces•• Task FrameworkTask Framework•• Resources and FunctionalitiesResources and Functionalities


What is the Web ADFWhat is the Web ADF

•• Set of web controls, tasks, and objects to create GIS Set of web controls, tasks, and objects to create GIS applicationsapplications

•• HighlightsHighlights–– Multiple data sourcesMultiple data sources

•• ArcGISArcGIS Server, Server, ArcIMSArcIMS, , ArcWebArcWeb, WMS, and Custom, WMS, and Custom

–– Task FrameworkTask Framework–– Object oriented, AJAX enabled JavaScript libraryObject oriented, AJAX enabled JavaScript library–– Seamless map navigationSeamless map navigation–– Integrated with Eclipse and Creator Integrated with Eclipse and Creator IDEIDE’’ss–– Standard Java Server Faces (JSF) componentsStandard Java Server Faces (JSF) components


Web ADF ControlsWeb ADF Controls

•• Context controlContext control–– NonNon--visual, manages all other controlsvisual, manages all other controls

•• Map controlMap control–– Provides visualization for the layersProvides visualization for the layers

•• Table of Contents ControlTable of Contents Control–– Enables interactivity to the layers of the mapEnables interactivity to the layers of the map

•• Overview controlOverview control–– Provides visual reference to the current map extentProvides visual reference to the current map extent

•• Toolbar controlToolbar control–– Container for applications toolsContainer for applications tools


Important ADF interfaces and classesImportant ADF interfaces and classes

•• WebContextWebContext•• WebMapWebMap•• WebGraphicsWebGraphics

•• GISResourceGISResource•• GISFunctionalityGISFunctionality


Web ADF ArchitectureWeb ADF Architecture

Context ControlContext Control

AttributesAttributes((WebMapWebMap, , WebGraphicsWebGraphics,..),..)

WebContextWebContext GISResourceGISResource GISFunctionalityGISFunctionality

ResourceResource(ArcGIS Server, ArcIMS, ..)

FunctionalityFunctionality(Mapping, overview, ..)


WebContextWebContext

•• Container of all attributes and resourcesContainer of all attributes and resources•• Has attributes registered to itHas attributes registered to it

–– Notifies attributes about changes in application stateNotifies attributes about changes in application state–– WebContext.refreshWebContext.refresh()()

•• Stored in session scopeStored in session scope–– Data objects can be retrieved from contextData objects can be retrieved from context

WebMapWebMap


WebGraphicsWebGraphics WebTocWebToc, , ……


WebMapWebMap

•• Represents the multiRepresents the multi--source Mapsource Map–– Business object behind the Map ControlBusiness object behind the Map Control–– Generates an output image (single or multiGenerates an output image (single or multi--source)source)–– Various properties of the output imageVarious properties of the output image–– Methods that work with the extent of the mapMethods that work with the extent of the map

•• webMap.centerAt(getCurrentExtentwebMap.centerAt(getCurrentExtent(). (). getMapScalegetMapScale())())

WebMapWebMap

Map ControlMap Control


WebGraphicsWebGraphics

•• Drawn on top of layers in the mapDrawn on top of layers in the map•• Enables drawing of simple graphicsEnables drawing of simple graphics•• Supported symbolsSupported symbols

–– LineLine–– MarkerMarker–– PolygonPolygon–– True type markerTrue type marker

•• Supported Supported renderersrenderers–– Unique valueUnique value–– Class breakClass break–– SimpleSimple

•• Capability to fuse with server image or draw it as a Capability to fuse with server image or draw it as a separate layer on the browserseparate layer on the browser


WebGraphicsWebGraphics


Task FrameworkTask Framework

•• What is it?What is it?–– A developer framework that allows for the implementation of A developer framework that allows for the implementation of

custom functionality (E.g. Tasks) custom functionality (E.g. Tasks) –– Tasks are objects that encapsulate business logicTasks are objects that encapsulate business logic

•• Why use it?Why use it?–– Tight integration with the ADFTight integration with the ADF

•• Event handling with actions and toolsEvent handling with actions and tools•• No UI concernsNo UI concerns

–– Good way to encapsulate related functionalityGood way to encapsulate related functionality–– Implementation of a task is similar to a standard Implementation of a task is similar to a standard JavaBeanJavaBean

•• What are we going to do?What are we going to do?–– Extend the Task Framework by implementing a custom task Extend the Task Framework by implementing a custom task

(action and tool)(action and tool)


Web ADF TasksWeb ADF Tasks

•• Tasks are objects that encapsulate business logic Tasks are objects that encapsulate business logic •• Configurable from ManagerConfigurable from Manager•• Out of the box tasksOut of the box tasks

–– Map Map NavigationNavigation–– GeoprocessingGeoprocessing–– Search by attributesSearch by attributes–– EditingEditing–– Find directionFind direction–– Predefined queryPredefined query–– Find placeFind place

•• Custom tasksCustom tasks


ComponentsComponents of a taskof a task•• ParametersParameters

–– Inputs needed by the taskInputs needed by the task–– E.g. Layer name, zoom factor, etc E.g. Layer name, zoom factor, etc ……

•• Commands (Actions)Commands (Actions)–– Business logic Is executed without user interaction with the mapBusiness logic Is executed without user interaction with the map–– E.g. Zoom to full extentE.g. Zoom to full extent

•• ToolsTools–– User interaction with the map is requiredUser interaction with the map is required–– ClientClient--side action is requiredside action is required–– E.g. Identify, dynamic navigation (Zoom In, Zoom Out, etc..)E.g. Identify, dynamic navigation (Zoom In, Zoom Out, etc..)

ToolTool

ActionAction

ParameterParameter


Implementing a Custom TaskImplementing a Custom Task

1.1. Create standard Java ClassCreate standard Java Classes (2 or 3)es (2 or 3)–– In the main task class, sIn the main task class, signature of the method will dictate ignature of the method will dictate

command or tool command or tool –– The task info class will dictate what constitute the task UI andThe task info class will dictate what constitute the task UI and

how the UI should be layouthow the UI should be layout–– An optional task results classAn optional task results class

2.2. Register the Register the main task main task Java class as a managed bean Java class as a managed bean in the facesin the faces--config.xmlconfig.xml filefile–– Make it available in the ADFMake it available in the ADF

3.3. Add the task tag to the Add the task tag to the jspjsp, with reference to the , with reference to the managed beanmanaged bean–– To visually display the UI to the userTo visually display the UI to the user


Implementing a custom task Implementing a custom task –– Step 1Step 1

•• Create a standard Java ClassCreate a standard Java Class

public class SelectFeaturesTask {

public void selectFeaturesByRectangle(MapEvent event){… …}

public void selectFeaturesByPolygon(MapEvent event){… …}

}



•• Register the Java class as a managed bean in the facesRegister the Java class as a managed bean in the faces--config.xmlconfig.xml filefile

[faces-config.xml]<managed-bean>

<managed-bean-name>selectFeaturesTask</managed-bean-name>

<managed-bean-class>...selectFeaturesTask</managed-bean-class>

<managed-bean-scope>session</managed-bean-scope>

</managed-bean>



•• Add the control to the Add the control to the jspjsp•• Value attribute is the value of the managedValue attribute is the value of the managed--beanbean--name name

in the facesin the faces--configconfig[mapviewer.jsp]<a href="javascript:void(0);“ onclick="toggleWindow('win_EsriTaskCell_selectFeaturesTask');">

<a:task mapId=“map1” value="#{selectFeaturesTask}“/>


<managed-bean-name>selectFeaturesTask</managed-bean-name

. . .

Task AttributesbindingrenderedvaluetaskInfomapIdstylestyleClassxslFile








. . .









. . .



DemoDemo

•• Implement a Implement a custom custom task for task for selecting features by selecting features by drawing a rectangle or polygon on mapdrawing a rectangle or polygon on map


Inside the Inside the TaskInfoTaskInfo InterfaceInterface

•• Task class contains business logicTask class contains business logic•• TaskInfoTaskInfo class contains metadataclass contains metadata•• TaskInfoTaskInfo class changes look class changes look

and feel without affecting any and feel without affecting any business logicbusiness logicpackage com.esri.adf.web.data.tasks;

public interface TaskInfo {

getTaskDescriptor();

getParamDescriptors();

getActionDescriptors();

getToolDescriptors();

getTaskLayout();

}

package package com.esri.adf.web.data.taskscom.esri.adf.web.data.tasks;;

public interface public interface TaskInfoTaskInfo {{

getTaskDescriptorgetTaskDescriptor();();

getParamDescriptorsgetParamDescriptors();();

getActionDescriptorsgetActionDescriptors();();

getToolDescriptorsgetToolDescriptors();();

getTaskLayoutgetTaskLayout();();

}}

TaskInfo.java


Implementing a custom task Implementing a custom task –– Tool (Tool (samplesample))

•• ToolsTools–– Executes business logic based on user interaction on a mapExecutes business logic based on user interaction on a map–– Add a method with Add a method with MapEventMapEvent as argumentas argument–– Consist of client and server side actionsConsist of client and server side actions–– ServerServer--side actionside action

•• Business logic performed on the serverBusiness logic performed on the server

ToolTool

ActionAction

ParameterParameter


Implementing a custom task Implementing a custom task –– Tool (Tool (TaskInfoTaskInfo))

•• Provide a Provide a TaskToolDescriptorTaskToolDescriptor–– ClientClient--side actionside action

•• Controlled by JavaScript functions (Controlled by JavaScript functions (jsjs directory)directory)•• Example: Example: EsriMapRectangleEsriMapRectangle, , EsriMapPanEsriMapPan, , EsriMapPointEsriMapPoint, etc., etc.

public class PlaceFinderTaskInfo extends SimpleTaskInfo {

public TaskToolDescriptorModel[ ] getToolDescriptors() {

return new TaskToolDescriptor[ ] {return taskTools;

}}


Implementing a custom task Implementing a custom task –– TaskTask resultsresults

•• Task operations (tools, commands) may generate Task operations (tools, commands) may generate resultsresults

•• Results can be arbitrary Java objectsResults can be arbitrary Java objects–– Query resultsQuery results–– Address candidatesAddress candidates–– GeoProcessingGeoProcessing resultsresults

•• Types of informationTypes of information–– Display textDisplay text–– Result detailsResult details–– Actions that can be performed Actions that can be performed

on the resultson the results


Implementing a custom task Implementing a custom task –– TaskTask resultsresults

WebResultsWebResults•• com.esri.adf.web.data.resultscom.esri.adf.web.data.results•• Container object for resultsContainer object for results•• Results are displayed as a tree Results are displayed as a tree

by defaultby default–– TOC control is reTOC control is re--usedused


Back to EclipseBack to Eclipse

•• Show the details of the 3 main classesShow the details of the 3 main classes


Web ADF ArchitectureWeb ADF Architecture

Context ControlContext Control

AttributesAttributes((WebMapWebMap, , WebGraphicsWebGraphics,..),..)


ResourceResource(ArcGIS Server, ArcIMS, ..)

FunctionalityFunctionality(Mapping, overview, ..)


Resource and FunctionalitiesResource and Functionalities

•• FunctionalityFunctionality–– Functionalities are capabilities supported by a resourceFunctionalities are capabilities supported by a resource

•• ResourceResource–– GIS service that support predefined functionalitiesGIS service that support predefined functionalities

11 nn 11 nn

facesfaces--config.xmlconfig.xml

**--functionalities.xmlfunctionalities.xml


AGSResourceAGSResource WMSResourceWMSResource ……ResourceResource

……FunctionalityFunctionalityTOCFunctionalityTOCFunctionalityMapFunctionalityMapFunctionality


Resource Resource and and FunctionalitiesFunctionalities

•• Resources support functionalitiesResources support functionalities•• Functionalities supported by outFunctionalities supported by out--ofof--thethe--box box resource(sresource(s))

–– Map functionalityMap functionality–– TOC functionalityTOC functionality–– Overview functionalityOverview functionality–– Tile functionalityTile functionality–– GeocodeGeocode functionalityfunctionality–– Query functionalityQuery functionality–– NetworkAnalystNetworkAnalyst functionalityfunctionality–– Other custom functionalityOther custom functionality


Adding Functionality to a ResourceAdding Functionality to a Resource

•• The framework provides capability to add The framework provides capability to add functionalities to resources (including existing functionalities to resources (including existing resources)resources)

CustomCustomFunctionalityFunctionality

GISFunctionalityGISFunctionality

MapFunctionalityMapFunctionality ……FunctionalityFunctionality


The MultiThe Multi--Resource ArchitectureResource Architecture

11 nn 11 nnWebContextWebContext GISResourceGISResource GISFunctionalityGISFunctionality



11 nn 11 nn

HashtableHashtable <String, <String, GISResourceGISResource>>

ags1ags1 AGSMapResourceAGSMapResource

aims1aims1 AIMSMapResourceAIMSMapResource




11 nn 11 nn



aims1aims1 AIMSMapResourceAIMSMapResourceHashtableHashtable <String, <String, GISFunctionalityGISFunctionality>>

mapmap AGSMapFunctionalityAGSMapFunctionality

toctoc AGSTocFunctionalityAGSTocFunctionality

queryquery AGSQueryFunctionalityAGSQueryFunctionality

mapmap AIMSMapFunctionalityAIMSMapFunctionality

toctoc AIMSTocFunctionalityAIMSTocFunctionality

queryquery AIMSQueryFunctionalityAIMSQueryFunctionality




11 nn 11 nn



aims1aims1 AIMSMapResourceAIMSMapResource

myRes1 MyResource

HashtableHashtable <String, <String, GISFunctionalityGISFunctionality>>

mapmap AGSMapFunctionalityAGSMapFunctionality

toctoc AGSTocFunctionalityAGSTocFunctionality

queryquery AGSQueryFunctionalityAGSQueryFunctionality

mapmap AIMSMapFunctionalityAIMSMapFunctionality

toctoc AIMSTocFunctionalityAIMSTocFunctionality

queryquery AIMSQueryFunctionalityAIMSQueryFunctionality

map MyMapFunctionality

toc MyTocFunctionality

query MyQueryFunctionality



Implementing a Custom ResourceImplementing a Custom Resource

•• Custom resource must extend Custom resource must extend GISResourceGISResource•• Implement Implement GISFunctionalityGISFunctionality interfaces such as interfaces such as

MapFunctionalityMapFunctionality, , TOCFunctionalityTOCFunctionality, etc. depending on , etc. depending on which capabilities you want your custom resource to which capabilities you want your custom resource to supportsupport

•• Register functionalities in *Register functionalities in *--functionalities.xmlfunctionalities.xml•• Register the custom resource in facesRegister the custom resource in faces--config.xmlconfig.xml and and

add it to the add it to the WebContextWebContext


Java ADF Java ADF –– JSF Lifecycle JSF Lifecycle


Java ADF Java ADF –– AJAX Lifecycle AJAX Lifecycle


Add AJAX Capability to Your Web App Add AJAX Capability to Your Web App

•• DemoDemo•• Tracking objectsTracking objects

–– Configuration File (Configuration File (fcfc--ajaxdemo.xmlajaxdemo.xml and and web.xmlweb.xml))–– JavaScriptsJavaScripts Functions (Functions (mapviewer.jsmapviewer.js))–– Java classes (Java classes (TrackingPhaseListenerTrackingPhaseListener and Tracking)and Tracking)–– User Interface (JSP) (User Interface (JSP) (mapviewer.jspmapviewer.jsp))



–– Configuration File Configuration File -- fcfc--ajaxdemo.xmlajaxdemo.xml•• <lifecycle><lifecycle>

<phase<phase--listener> listener> com.esri.arcgis.sample.tracking.TrackingPhaseListenercom.esri.arcgis.sample.tracking.TrackingPhaseListener

</phase</phase--listener>listener></lifecycle></lifecycle>

–– and and web.xmlweb.xml•• <context<context--paramparam> >

<<paramparam--name>name>javax.faces.CONFIG_FILESjavax.faces.CONFIG_FILES</</paramparam--name> name> <<paramparam--value>value>

/WEB/WEB--INF/functionalities/agsINF/functionalities/ags--functionalities.xmlfunctionalities.xml,,/WEB/WEB--INF/ajaxINF/ajax--renderers.xmlrenderers.xml, , /WEB/WEB--INF/contextINF/context--attributes.xmlattributes.xml, , /WEB/WEB--INF/fcINF/fc--ajaxdemo.xmlajaxdemo.xml

</</paramparam--value> value> </context</context--paramparam>>



•• JavaScriptsJavaScripts Functions (Functions (mapviewer.jsmapviewer.js))

–– function function startTrackingstartTracking() {}() {}

–– function function stopTrackingstopTracking() {}() {}

–– function function trackingRequesttrackingRequest() {}() {}

–– function function trackingResponse(xmlHttptrackingResponse(xmlHttp) {) {}}



•• Java classes Java classes –– TrackingPhaseListenerTrackingPhaseListener

•• public class public class TrackingPhaseListenerTrackingPhaseListener implements implements PhaseListenerPhaseListener {{public void public void beforePhase(PhaseEventbeforePhase(PhaseEvent phaseEventphaseEvent) {}) {}public void public void afterPhase(PhaseEventafterPhase(PhaseEvent phaseEventphaseEvent) { ) { …… ……}}

}}

–– TrackingTracking•• public class Tracking implements public class Tracking implements WebContextInitializeWebContextInitialize {{

public List public List getPointsgetPoints(){(){……}}}}



•• User Interface (JSP) (User Interface (JSP) (mapviewer.jspmapviewer.jsp))–– <div id="tracking<div id="tracking--content" class="panelcontent" class="panel--content" style="height:50px;">content" style="height:50px;">

Track :Track :<input type="button" value="Start" <input type="button" value="Start" onclickonclick="="startTrackingstartTracking();" />();" /><input type="button" value="Stop" <input type="button" value="Stop" onclickonclick="="stopTrackingstopTracking();" />();" />

</div></div>


Enterprise Java ADFEnterprise Java ADF

•• WhatWhat’’s in the Enterprise Java ADF?s in the Enterprise Java ADF?•• ArchitectureArchitecture•• Building Geospatial EJB with Manager Building Geospatial EJB with Manager


WhatWhat’’s in the Enterprise ADF?s in the Enterprise ADF?

Framework to build and deploy GISFramework to build and deploy GIS--enabled J2EE enabled J2EE applications using EJB technologyapplications using EJB technology

•• Geospatial Geospatial EJBsEJBs–– Map, Query, Map, Query, GeocodeGeocode, , NetworkAnalystNetworkAnalyst and and GeoprocessingGeoprocessing

•• SDKSDK–– Literature, Samples, Developer Documentation and Scenarios Literature, Samples, Developer Documentation and Scenarios

•• IDE IDE PluginPlugin–– EclipseEclipse

•• Web based Geospatial EJBWeb based Geospatial EJBTMTM AssemblyAssembly–– ArcGISArcGIS Server ManagerServer Manager

•• ArcGISArcGIS Server JCA ConnectorServer JCA Connector


ArcGISArcGIS 92 Geospatial 92 Geospatial EJB FeaturesEJB Features

•• OutOut--ofof--thethe--box box EJBsEJBs that perform GIS tasksthat perform GIS tasks–– EJB 2.1 Compliant, Stateless Session Beans, Remote/Local EJB 2.1 Compliant, Stateless Session Beans, Remote/Local

Interface Support, Integrates with Web Interface Support, Integrates with Web ADFADF’’ss JSF ControlsJSF Controls

•• Deployed across a wide variety of J2EE 1.4 certified Deployed across a wide variety of J2EE 1.4 certified application servers application servers ---- such as BEA, Oracle, IBM, such as BEA, Oracle, IBM, JBossJBoss, , and Sunand Sun

•• Integrated into Manager Application for pointIntegrated into Manager Application for point--clickclick--type type easeease

•• Focus on generated applications and not coded Focus on generated applications and not coded applicationsapplications

•• High PerformanceHigh Performance


Geospatial Geospatial EJBsEJBs : Why & When: Why & When

•• Asynchronous execution of GIS functionsAsynchronous execution of GIS functions•• Presentation Technology AgnosticPresentation Technology Agnostic•• Integrate GIS at the Business TierIntegrate GIS at the Business Tier


Typical J2EE ArchitectureTypical J2EE Architecture

Application ServerApplication Server

EJB EJB ContainerContainer

EJBEJBHom

eH

ome

Rem

ote

Rem

ote

JNDIJNDI

EIS TierEIS TierBusiness Business EJB TierEJB Tier

Client Client TierTier

ClientClient EJBEJB

EJBEJB

Application Application ServerServer

ServletServlet/JSP /JSP ContainerContainer

ServletsServletsJSPsJSPs

Presentation Presentation Web TierWeb Tier

DatabasesDatabases


Typical J2EE Architecture in GIS spaceTypical J2EE Architecture in GIS space

Application ServerApplication Server


EJBEJBHom

eH

ome

Rem

ote

Rem

ote

JNDIJNDI

EIS TierEIS TierBusiness Business EJB TierEJB Tier

Client Client TierTier

ClientClient EJBEJB

EJBEJB

Application Application ServerServer

ServletServlet/JSP /JSP ContainerContainer

ServletsServletsJSPsJSPs

Presentation Presentation Web TierWeb Tier

ArcGISArcGISServerServer

DatabasesDatabases

JCA

JCA

EJBEJB


Steps to Creating and Deploying EJBSteps to Creating and Deploying EJB

Create Create Remote InterfaceRemote Interface

Create Create Bean Home InterfaceBean Home Interface

Write Bean Write Bean ImplementationImplementation

Create Create Deployment DescriptorDeployment Descriptor

Package and DeployPackage and Deploy


Use Manager Use Manager Point Click EasePoint Click Ease


Server APIsServer APIs

•• LowLow--level customization beyond ADFlevel customization beyond ADF•• Two fineTwo fine--grained APIsgrained APIs

–– ArcObjectsArcObjects APIAPI–– Web Service APIWeb Service API

ArcGIS Server

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)

DCOM

ArcGISArcGIS ServerServerConnectionConnection

LocalLocalCOMCOM

ProxiesProxiesJava/COMJava/COM

BridgeBridge





ArcGIS Server

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)

DCOM

SOAP/DCOM


LocalLocalCOMCOM

ProxiesProxies

WSDLWSDLProxiesProxies

Java/COMJava/COMBridgeBridge






ArcGIS Server

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)

DCOM

SOAP/HTTP

SOAP/DCOM


LocalLocal

InternetInternet

COMCOMProxiesProxies

WSDLWSDLProxiesProxies


Web ServiceWeb ServiceHandlerHandler



Network Analysis with Network Analysis with ArcObjectsArcObjects APIAPI

ArcGIS Server

Web Browser

Web Application on Web Application on Java Web ServerJava Web Server

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)

Several small DCOM callsset stops

OK

set barriers

OK

solve

route


Network Analysis with Network Analysis with Web Service APIWeb Service API

ArcGIS Server

Web Browser

Web Application on Web Application on Java Web ServerJava Web Server

GIS

Ser

ver

GIS

Ser

ver (

SOM

/SO

C)

(SO

M/S

OC

)

One large SOAP call

solve

route

set stops

set barriers


Concluding RemarksConcluding Remarks

•• ADF is the best starting point for you to develop web ADF is the best starting point for you to develop web and enterprise GIS applicationsand enterprise GIS applications

•• Task Framework within the ADF is the easiest way to Task Framework within the ADF is the easiest way to add new functionality to your web GIS applicationsadd new functionality to your web GIS applications

•• Note that you have two options to use Note that you have two options to use ArcGISArcGIS Server Server API to develop enterprise applicationsAPI to develop enterprise applications–– ArcObjecsArcObjecs APIAPI–– Web Service API Web Service API


Where do you go from here?Where do you go from here?

•• Developing Web Applications with ArcGIS Server using Developing Web Applications with ArcGIS Server using the Java platform the Java platform

•• Java Java WebADFWebADF DocsDocs–– http://http://edn.esri.com/index.cfm?faedn.esri.com/index.cfm?fa==java.gatewayjava.gateway–– http://edndoc.esri.com/arcobjects/9.2/Java/java/server/web_adf/ahttp://edndoc.esri.com/arcobjects/9.2/Java/java/server/web_adf/a

jax/ajax_integration.htmljax/ajax_integration.html–– http://edndoc.esri.com/arcobjects/9.2/Java/java/server/web_adf/jhttp://edndoc.esri.com/arcobjects/9.2/Java/java/server/web_adf/j

avascript/clientside_js.htmlavascript/clientside_js.html–– http://edndoc.esri.com/arcobjects/9.2/Java/server_samples/maphttp://edndoc.esri.com/arcobjects/9.2/Java/server_samples/map--

information/example.htmlinformation/example.html

http://edn.esri.com/index.cfm?fa=java.gateway

http://edndoc.esri.com/arcobjects/9.2/Java/java/server/web_adf/ajax/ajax_integration.html

http://edndoc.esri.com/arcobjects/9.2/Java/java/server/web_adf/ajax/ajax_integration.html

http://edndoc.esri.com/arcobjects/9.2/Java/java/server/web_adf/javascript/clientside_js.html

http://edndoc.esri.com/arcobjects/9.2/Java/java/server/web_adf/javascript/clientside_js.html

http://edndoc.esri.com/arcobjects/9.2/Java/server_samples/map-information/example.html

http://edndoc.esri.com/arcobjects/9.2/Java/server_samples/map-information/example.html