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From jba...@sasami.atomised.org (John Baker)
Subject Re: Dynamic Endpoints
Date Fri, 24 Jun 2005 08:06:28 GMT

That's one way. But I may wish to deploy the same class on two or three
different services and set some parameters differently, hence I'm wondering
how to look it up by service/port ..?

On Thu, Jun 23, 2005 at 04:02:59PM -0400, Jeff wrote:
> I cannot see the problem! Just create a static method for your stub and use
> it to initialize the endpoint.
> 
> 
> Jeff
> 
> ----- Original Message ----- 
> From: "John Baker" <jbaker@sasami.atomised.org>
> To: <axis-user@ws.apache.org>
> Sent: Friday, June 24, 2005 3:19 AM
> Subject: Re: Dynamic Endpoints
> 
> 
> > Quite, but this isn't precisely what I meant. I'm generating a deploy.wsdd
> > file and deploying the Stub itself. So when Axis creates instances of the
> > Stub, the cachedEndpoint variable (inherited from Stub.java) is null. I'd
> > like to set this programatically from another part of the web application
> > (Axis is integrated into my own webapp).
> >
> > Thanks,
> >
> >
> > John
> >
> > On Thu, Jun 23, 2005 at 05:32:05AM -0400, Jeff wrote:
> > > For a service called MyService, i.e. your WSDL file contains
> <wsdl:service
> > > name="MyService">, source code generated by WSDL2Java will contain
> classes
> > > with these (or similar) names (amongst others):
> > >
> > >     MyServiceLocator
> > >     MyServiceSoap
> > >     MyServiceSoapStub
> > >
> > > You can then invoke myMethod() against the service using code like:
> > >
> > >     String strEndpointAddress = ...
> > >     MyServiceLocator locator = new MyServiceLocator();
> > >     locator.setMyServiceSoapEndpointAddress(strEndpointAddress);
> > >     MyServiceSoapStub stub =
> > > (MyServiceSoapStub)locator.getPort(MyServiceSoap.class);
> > >     stub.myMethod();
> > >
> > >
> > >
> > > Jeff
> > >
> > >
> > > ----- Original Message ----- 
> > > From: "John Baker" <jbaker@sasami.atomised.org>
> > > To: <axis-user@ws.apache.org>
> > > Sent: Thursday, June 23, 2005 7:57 AM
> > > Subject: Dynamic Endpoints
> > >
> > >
> > > > Hi,
> > > >
> > > > I'm trying to simplify the configuration of a pre-packaged Axis server
> > > which
> > > > already has a bunch of services deployed. I'd like users to be easily
> be
> > > > able to set the endpoint on services that were generated from wsdl, so
> I'm
> > > > using the Java stub as my deployed service. You can think of this
> model as
> > > a
> > > > proxy, in a rather simple sense; it does nothing more than call the
> same
> > > > service on another server.
> > > >
> > > > I appreciate that it's possible to set an endpoint for a service
> through a
> > > > deploy.wsdd file. However I would like to do this dynamically and am
> > > > wondering how I would do this? I think I need to set the parameter
> > > > dynamically so everytime an instance of a service is created, an
> endpoint
> > > is
> > > > set.
> > > >
> > > > I've got something like this:
> > > >
> > > > org.apache.axis.client.Service service =
> > > >   org.apache.axis.client.ServiceFactory.getService("MyService");
> > > >   Iterator pi = service.getPorts();
> > > >   javax.wsdl.Port port;
> > > >   while (pi.hasNext())
> > > >   {
> > > >     port = (javax.wsdl.Port)pi.next();
> > > >     port.addExtensibilityElement(new
> > > SOAPAddressImpl("http://localhost:9090/hello"));
> > > > }
> > > >
> > > > But I suspect it would have to be a little more advanced than my
> simple
> > > > example :)
> > > >
> > > > I'd also need to write my own SOAPImpl:
> > > >
> > > > protected class SOAPAddressImpl implements
> > > javax.wsdl.extensions.soap.SOAPAddress
> > > > {
> > > >   private QName elementType;
> > > >   private Boolean required;
> > > >   private String uri;
> > > >
> > > >   public SOAPAddressImpl(String uri)
> > > >   { this.uri = uri; }
> > > >
> > > >   public void setElementTpe(QName elementType)
> > > >   { this.elementType = elementType; }
> > > >
> > > >   public QName getElementType()
> > > >   { return (elementType); }
> > > >
> > > >   public void setRequired(Boolean required)
> > > >   { this.required = required; }
> > > >
> > > >   public Boolean getRequired()
> > > >   { return (required); }
> > > >
> > > >   public void setLocationURI(String uri)
> > > >   { this.uri = uri; }
> > > >
> > > >   public String getLocationURI()
> > > >   { return (uri); }
> > > > }
> > > >
> > > > But I'm not sure what the elementType of required flag would require?
> > > Having
> > > > read the Axis source, I don't think they are used by the
> client.Service
> > > class anyway.
> > > >
> > > > Any thoughts/pointers?
> > > >
> > > > Thanks,
> > > >
> > > >
> > > > John Baker

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