Re: [udig-devel] Connnection to postgis

[Elton Chan <elton.chan@xxxxxxxxx>]

Hi,

I am using version 1.2 from trunk with Eclipse 3.5.1. Do you mean postgis
can only supported by lower version?

Thanks,
Elton



Elton Chan wrote:
> 
> Hi there,
> 
> I try the following:
>         Map<String, Serializable> params = new HashMap<String,
> Serializable>();
>         params.put("dbtype", "postgis");        //must be postgis
>         params.put("host", "localhost");        //the name or ip address
> of the machine running PostGIS
>         params.put("port", new Integer(5432));  //the port that PostGIS is
> running on (generally 5432)
>         params.put("database", "postgis");      //the name of the database
> to connect to.
>         params.put("user", "postgres");         //the user to connect with
>         params.put("passwd", "");               //the password of the
> user.
> 
> IServiceFactory serviceFactory =
> CatalogPlugin.getDefault().getServiceFactory();
> for( IService service : serviceFactory.createService( params ) ){
>      try {
>          IServiceInfo info = service.getInfo( null );  // try connecting
> to make sure the service works
>          CatalogPlugin.getDefault().getLocalCatalog().add( service );
>      }
>      catch (IOException couldNotConnect ){
>      }
> }
> However, it appears the above code cannot create service with the params.
> Instead, I use the following it is working fine.
> 
>             DataStore dataStore=DataStoreFinder.getDataStore(params);
>           for (Name na:dataStore.getNames()){
>               System.out.println(na);}
> 
> I wonder why the first code is not working and what is the standard way to
> connect postgis in udig? I know the second is using GeoTools. In addition,
> I also try service:canResolve(PostgisDataStore.class), but eclipse never
> resolve the "PostgisDataStore.class" and also the PostgisDataStore type in
> udig. Anybody can hint me the reason and if possible any sample code to
> connect to postgis and access particular feature class in udig?
> 
> Thanks.
> 

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