D-OSGi and REST
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D-OSGi and REST
by Demetris-2
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Hi Sergey, you mentioned in the blog that users can now expose bundles/beans as SOAP and REST services. I looked over the example listed on the D-OSGi web site but both Greeter examples are the same for SOAP and REST - unless I am missing something. Do you have any examples of RESTful bundles? Thanks |
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RE: D-OSGi and REST
by Sergey Beryozkin-2
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Hi
Have a look please at http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ it is indeed virtually identical to a soap based greeter demo but the difference is here : http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe rvice.java (note JAXRS annotations) and here : http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe rvice2.java (has no annotations at all) but GreeterService2 uses this model : http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml some more info is here : http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints andconsumers hope it helps Sergey -----Original Message----- From: Demetris [mailto:demetris@...] Sent: 23 September 2009 08:13 To: dev@... Subject: D-OSGi and REST Hi Sergey, you mentioned in the blog that users can now expose bundles/beans as SOAP and REST services. I looked over the example listed on the D-OSGi web site but both Greeter examples are the same for SOAP and REST - unless I am missing something. Do you have any examples of RESTful bundles? Thanks |
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Re: D-OSGi and REST
by Demetris-2
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Super - I will follow up on the links Sergey and let you know if I have any more questions. Much appreciated. Sergey Beryozkin wrote: > Hi > > Have a look please at > > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ > > it is indeed virtually identical to a soap based greeter demo but > the difference is here : > > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe > rvice.java > > (note JAXRS annotations) > > and here : > > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe > rvice2.java > > (has no annotations at all) but GreeterService2 uses this model : > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml > > some more info is here : > > http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef > erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints > andconsumers > > hope it helps > Sergey > > > > -----Original Message----- > From: Demetris [mailto:demetris@...] > Sent: 23 September 2009 08:13 > To: dev@... > Subject: D-OSGi and REST > > > Hi Sergey, > > you mentioned in the blog that users can now expose bundles/beans as > > SOAP and > REST services. I looked over the example listed on the D-OSGi web site > but both > Greeter examples are the same for SOAP and REST - unless I am missing > something. > Do you have any examples of RESTful bundles? > > Thanks > > > |
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Re: D-OSGi and REST
by Demetris-2
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Hi Sergey, I followed up on your info below in the distribution baseline - thanks, things are making a bit more sense now. Can I conceivably run this particular REST GreeterService and its client on any OSGi Web Server (how about Knopflerfish) with the JAX-RS libraries. I do see you are using Felix and Equinox in your examples so I am assuming the answer is yes. What do you guys add to such a service with the cxf-dosgi-ri-singlebundle-distribution_1.0.0? The reason I am asking is because I want to connect the REST service with its client by over p2p instead of over HTTP. Thanks Sergey Beryozkin wrote: > Hi > > Have a look please at > > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ > > it is indeed virtually identical to a soap based greeter demo but > the difference is here : > > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe > rvice.java > > (note JAXRS annotations) > > and here : > > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe > rvice2.java > > (has no annotations at all) but GreeterService2 uses this model : > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml > > some more info is here : > > http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef > erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints > andconsumers > > hope it helps > Sergey > > > > -----Original Message----- > From: Demetris [mailto:demetris@...] > Sent: 23 September 2009 08:13 > To: dev@... > Subject: D-OSGi and REST > > > Hi Sergey, > > you mentioned in the blog that users can now expose bundles/beans as > > SOAP and > REST services. I looked over the example listed on the D-OSGi web site > but both > Greeter examples are the same for SOAP and REST - unless I am missing > something. > Do you have any examples of RESTful bundles? > > Thanks > > > |
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Re: D-OSGi and REST
by Demetris-2
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In other words, without trying to make this too convoluted, my question is do you guys use your own implementation of JAX-RS (instead of Jersey etc.). Thanks again Demetris wrote: > > Hi Sergey, > > I followed up on your info below in the distribution baseline - > thanks, things are making a bit > more sense now. > > Can I conceivably run this particular REST GreeterService and its > client on any OSGi Web > Server (how about Knopflerfish) with the JAX-RS libraries. I do see > you are using Felix and > Equinox in your examples so I am assuming the answer is yes. > What do you guys add to such a service with the > cxf-dosgi-ri-singlebundle-distribution_1.0.0? > The reason I am asking is because I want to connect the REST service > with its client by > over p2p instead of over HTTP. > > Thanks > > Sergey Beryozkin wrote: >> Hi >> >> Have a look please at >> >> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >> >> it is indeed virtually identical to a soap based greeter demo but >> the difference is here : >> >> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >> rvice.java >> >> (note JAXRS annotations) >> >> and here : >> >> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >> rvice2.java >> >> (has no annotations at all) but GreeterService2 uses this model : >> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >> >> some more info is here : >> >> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >> andconsumers >> >> hope it helps >> Sergey >> >> >> >> -----Original Message----- >> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >> 08:13 >> To: dev@... >> Subject: D-OSGi and REST >> >> >> Hi Sergey, >> >> you mentioned in the blog that users can now expose bundles/beans as >> >> SOAP and >> REST services. I looked over the example listed on the D-OSGi web >> site but both >> Greeter examples are the same for SOAP and REST - unless I am missing >> something. >> Do you have any examples of RESTful bundles? >> >> Thanks >> >> >> > |
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Re: D-OSGi and REST
by Sergey Beryozkin
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Hi
Yes, we do, it is the CXF JAXRS implementation which is embedded inside the DOSGI RI but given that the RI is based on CXF it's probably can be expected. But DOSGi is an open spec. > > Can I conceivably run this particular REST GreeterService and its > client on any OSGi Web > Server (how about Knopflerfish) with the JAX-RS libraries. You should have no problems publishing (RESTful) services on Knopflerfish as the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't be possible to run the (REST GreeterService) client on Knopflerfish though untill it implements the relevant OSGI spec (RFC 119 ?), but it should not be too difficult to do. In meantime the only option on the client side is to load the bundles containing code explicitly consuming a remote service (using proxy-based or http-centric api)... cheers, Sergey
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Re: D-OSGi and REST
by Demetris-2
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Hi Sergey, sounds good - yes it is RFC 119 and you are right it is not implemented in KF as of now but I think it is in the works. For the rest I will follow up and see how far I get. Thanks again Sergey Beryozkin wrote: > Hi > > Yes, we do, it is the CXF JAXRS implementation which is embedded inside the > DOSGI RI but given that the RI is based on CXF it's probably can be > expected. But DOSGi is an open spec. > > >>> Can I conceivably run this particular REST GreeterService and its >>> >> client on any OSGi Web >> Server (how about Knopflerfish) with the JAX-RS libraries. >> > > You should have no problems publishing (RESTful) services on Knopflerfish as > the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't be > possible to run the (REST GreeterService) client on Knopflerfish though > untill it implements the relevant OSGI spec (RFC 119 ?), but it should not > be too difficult to do. In meantime the only option on the client side is to > load the bundles containing code explicitly consuming a remote service > (using proxy-based or http-centric api)... > > cheers, Sergey > > > Demetris-2 wrote: > >> In other words, without trying to make this too convoluted, my question >> is do you guys use your >> own implementation of JAX-RS (instead of Jersey etc.). >> >> Thanks again >> >> Demetris wrote: >> >>> Hi Sergey, >>> >>> I followed up on your info below in the distribution baseline - >>> thanks, things are making a bit >>> more sense now. >>> >>> Can I conceivably run this particular REST GreeterService and its >>> client on any OSGi Web >>> Server (how about Knopflerfish) with the JAX-RS libraries. I do see >>> you are using Felix and >>> Equinox in your examples so I am assuming the answer is yes. >>> What do you guys add to such a service with the >>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>> The reason I am asking is because I want to connect the REST service >>> with its client by >>> over p2p instead of over HTTP. >>> >>> Thanks >>> >>> Sergey Beryozkin wrote: >>> >>>> Hi >>>> >>>> Have a look please at >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >>>> >>>> it is indeed virtually identical to a soap based greeter demo but >>>> the difference is here : >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>> rvice.java >>>> >>>> (note JAXRS annotations) >>>> >>>> and here : >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>> rvice2.java >>>> >>>> (has no annotations at all) but GreeterService2 uses this model : >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>> >>>> some more info is here : >>>> >>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>> andconsumers >>>> >>>> hope it helps >>>> Sergey >>>> >>>> >>>> >>>> -----Original Message----- >>>> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >>>> 08:13 >>>> To: dev@... >>>> Subject: D-OSGi and REST >>>> >>>> >>>> Hi Sergey, >>>> >>>> you mentioned in the blog that users can now expose bundles/beans as >>>> >>>> SOAP and >>>> REST services. I looked over the example listed on the D-OSGi web >>>> site but both >>>> Greeter examples are the same for SOAP and REST - unless I am missing >>>> something. >>>> Do you have any examples of RESTful bundles? >>>> >>>> Thanks >>>> >>>> >>>> >>>> >> >> > > |
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Re: D-OSGi and REST
by Demetris-2
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Sergey one more question if you don't mind - you probably saw some of my earlier postings with Benson regarding running Web Services on mobiles. I can easily run KF or Equinox on mobiles and I can run some SOAP-based engines (ksoap-osgi) and open source Web Servers. I am leaning towards running REST-based services on mobiles - I know DOSGi does not run under J2ME (I tested the single distribution and it didn't go far) so I am hoping to follow another avenue along the same lines. If you have any advice on this I would greatly appreciate it. Thanks and regards Sergey Beryozkin wrote: > Hi > > Yes, we do, it is the CXF JAXRS implementation which is embedded inside the > DOSGI RI but given that the RI is based on CXF it's probably can be > expected. But DOSGi is an open spec. > > >>> Can I conceivably run this particular REST GreeterService and its >>> >> client on any OSGi Web >> Server (how about Knopflerfish) with the JAX-RS libraries. >> > > You should have no problems publishing (RESTful) services on Knopflerfish as > the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't be > possible to run the (REST GreeterService) client on Knopflerfish though > untill it implements the relevant OSGI spec (RFC 119 ?), but it should not > be too difficult to do. In meantime the only option on the client side is to > load the bundles containing code explicitly consuming a remote service > (using proxy-based or http-centric api)... > > cheers, Sergey > > > Demetris-2 wrote: > >> In other words, without trying to make this too convoluted, my question >> is do you guys use your >> own implementation of JAX-RS (instead of Jersey etc.). >> >> Thanks again >> >> Demetris wrote: >> >>> Hi Sergey, >>> >>> I followed up on your info below in the distribution baseline - >>> thanks, things are making a bit >>> more sense now. >>> >>> Can I conceivably run this particular REST GreeterService and its >>> client on any OSGi Web >>> Server (how about Knopflerfish) with the JAX-RS libraries. I do see >>> you are using Felix and >>> Equinox in your examples so I am assuming the answer is yes. >>> What do you guys add to such a service with the >>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>> The reason I am asking is because I want to connect the REST service >>> with its client by >>> over p2p instead of over HTTP. >>> >>> Thanks >>> >>> Sergey Beryozkin wrote: >>> >>>> Hi >>>> >>>> Have a look please at >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >>>> >>>> it is indeed virtually identical to a soap based greeter demo but >>>> the difference is here : >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>> rvice.java >>>> >>>> (note JAXRS annotations) >>>> >>>> and here : >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>> rvice2.java >>>> >>>> (has no annotations at all) but GreeterService2 uses this model : >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>> >>>> some more info is here : >>>> >>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>> andconsumers >>>> >>>> hope it helps >>>> Sergey >>>> >>>> >>>> >>>> -----Original Message----- >>>> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >>>> 08:13 >>>> To: dev@... >>>> Subject: D-OSGi and REST >>>> >>>> >>>> Hi Sergey, >>>> >>>> you mentioned in the blog that users can now expose bundles/beans as >>>> >>>> SOAP and >>>> REST services. I looked over the example listed on the D-OSGi web >>>> site but both >>>> Greeter examples are the same for SOAP and REST - unless I am missing >>>> something. >>>> Do you have any examples of RESTful bundles? >>>> >>>> Thanks >>>> >>>> >>>> >>>> >> >> > > |
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Re: D-OSGi and REST
by Sergey Beryozkin
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Hi
no problems at all - your questions are welcome. > I know DOSGi does not run under J2ME(I tested the single distribution and it didn't go far) What happened during that test ? Just curious... I haven't worked with J2ME so I don't have any recommendations, sorry... cheers, Sergey
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Re: D-OSGi and REST
by Demetris-2
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Hi Sergey - no problem at all. Regarding the test I got the following exception once I started the single distribution on a J2ME-CDC device - equinox (as well as Knopflerfish_ run fine under J2ME but the dosgi throws java.lang.UnsupportedClassVersionError exceptions (showing only the small trace below) Thanks ---- Framework is launched. id State Bundle 0 ACTIVE org.eclipse.osgi_3.5.0.v20090520 11 ACTIVE org.eclipse.osgi.services_3.2.0.v20090520-1800 12 RESOLVED cxf-dosgi-ri-singlebundle-distribution_1.0.0 13 ACTIVE org.eclipse.osgi.util_3.2.0.v20090520-1800 osgi> start 12 org.osgi.framework.BundleException: The activator org.apache.cxf.dosgi.singlebundle.AggregatedActivator for bundle cxf-dosgi-ri-singlebundle-distribution is invalid at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(Unknown Source) at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(Unknown Source) at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(Unknown Source) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(Unknown Source) at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(Unknown Source) at org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(Unknown Source) at org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(Unknown Source) at org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(Unknown Source) at org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(Unknown Source) at java.lang.Thread.run(Unknown Source) at java.lang.Thread.startup(Unknown Source) Caused by: java.lang.UnsupportedClassVersionError: org/apache/cxf/dosgi/singlebundle/AggregatedActivator (Unsupported major.minor version 49.0) Sergey Beryozkin wrote: > Hi > > no problems at all - your questions are welcome. > > >> I know DOSGi does not run under J2ME(I tested the single distribution and >> it didn't go far) >> > > What happened during that test ? Just curious... > > I haven't worked with J2ME so I don't have any recommendations, sorry... > > cheers, Sergey > > > Demetris-2 wrote: > >> Sergey one more question if you don't mind - you probably saw some of my >> earlier postings >> with Benson regarding running Web Services on mobiles. I can easily run >> KF or Equinox >> on mobiles and I can run some SOAP-based engines (ksoap-osgi) and open >> source Web Servers. >> I am leaning towards running REST-based services on mobiles - I know >> DOSGi does not run >> under J2ME (I tested the single distribution and it didn't go far) so I >> am hoping to follow >> another avenue along the same lines. If you have any advice on this I >> would greatly appreciate it. >> >> Thanks and regards >> >> Sergey Beryozkin wrote: >> >>> Hi >>> >>> Yes, we do, it is the CXF JAXRS implementation which is embedded inside >>> the >>> DOSGI RI but given that the RI is based on CXF it's probably can be >>> expected. But DOSGi is an open spec. >>> >>> >>> >>>>> Can I conceivably run this particular REST GreeterService and its >>>>> >>>>> >>>> client on any OSGi Web >>>> Server (how about Knopflerfish) with the JAX-RS libraries. >>>> >>>> >>> You should have no problems publishing (RESTful) services on Knopflerfish >>> as >>> the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't >>> be >>> possible to run the (REST GreeterService) client on Knopflerfish though >>> untill it implements the relevant OSGI spec (RFC 119 ?), but it should >>> not >>> be too difficult to do. In meantime the only option on the client side is >>> to >>> load the bundles containing code explicitly consuming a remote service >>> (using proxy-based or http-centric api)... >>> >>> cheers, Sergey >>> >>> >>> Demetris-2 wrote: >>> >>> >>>> In other words, without trying to make this too convoluted, my question >>>> is do you guys use your >>>> own implementation of JAX-RS (instead of Jersey etc.). >>>> >>>> Thanks again >>>> >>>> Demetris wrote: >>>> >>>> >>>>> Hi Sergey, >>>>> >>>>> I followed up on your info below in the distribution baseline - >>>>> thanks, things are making a bit >>>>> more sense now. >>>>> >>>>> Can I conceivably run this particular REST GreeterService and its >>>>> client on any OSGi Web >>>>> Server (how about Knopflerfish) with the JAX-RS libraries. I do see >>>>> you are using Felix and >>>>> Equinox in your examples so I am assuming the answer is yes. >>>>> What do you guys add to such a service with the >>>>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>>>> The reason I am asking is because I want to connect the REST service >>>>> with its client by >>>>> over p2p instead of over HTTP. >>>>> >>>>> Thanks >>>>> >>>>> Sergey Beryozkin wrote: >>>>> >>>>> >>>>>> Hi >>>>>> >>>>>> Have a look please at >>>>>> >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >>>>>> >>>>>> it is indeed virtually identical to a soap based greeter demo but >>>>>> the difference is here : >>>>>> >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>> rvice.java >>>>>> >>>>>> (note JAXRS annotations) >>>>>> >>>>>> and here : >>>>>> >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>> rvice2.java >>>>>> >>>>>> (has no annotations at all) but GreeterService2 uses this model : >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>>>> >>>>>> some more info is here : >>>>>> >>>>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>>>> andconsumers >>>>>> >>>>>> hope it helps >>>>>> Sergey >>>>>> >>>>>> >>>>>> >>>>>> -----Original Message----- >>>>>> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >>>>>> 08:13 >>>>>> To: dev@... >>>>>> Subject: D-OSGi and REST >>>>>> >>>>>> >>>>>> Hi Sergey, >>>>>> >>>>>> you mentioned in the blog that users can now expose bundles/beans >>>>>> as >>>>>> >>>>>> SOAP and >>>>>> REST services. I looked over the example listed on the D-OSGi web >>>>>> site but both >>>>>> Greeter examples are the same for SOAP and REST - unless I am missing >>>>>> something. >>>>>> Do you have any examples of RESTful bundles? >>>>>> >>>>>> Thanks >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>> >>>> >>> >>> >> >> > > |
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Re: D-OSGi and REST
by David Bosschaert
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Even if you were able to solve the class file version, there's probably
bigger problems with J2ME as AFAIK it doesn't support any of the Java 5 features yet (e.g. annotations) and is missing chunks of JSE 5 libraries that CXF uses. You can theoretically get CXF working on J2ME by retroweaving it (see http://www.osgi.org/wiki/uploads/CommunityEvent2007/OSGiCommunity-Roelofsen.pdf) but I'm not sure this is really suitable for an embedded device with constrained memory... Cheers, David 2009/9/28 Demetris <demetris@...> > > > Hi Sergey - no problem at all. > > Regarding the test I got the following exception once I started the single > distribution on > a J2ME-CDC device - equinox (as well as Knopflerfish_ run fine under J2ME > but > the dosgi throws java.lang.UnsupportedClassVersionError exceptions (showing > only > the small trace below) > > Thanks > > ---- > > Framework is launched. > > id State Bundle > 0 ACTIVE org.eclipse.osgi_3.5.0.v20090520 > 11 ACTIVE org.eclipse.osgi.services_3.2.0.v20090520-1800 > 12 RESOLVED cxf-dosgi-ri-singlebundle-distribution_1.0.0 > 13 ACTIVE org.eclipse.osgi.util_3.2.0.v20090520-1800 > > osgi> start 12 > org.osgi.framework.BundleException: The activator > org.apache.cxf.dosgi.singlebundle.AggregatedActivator for bundle > cxf-dosgi-ri-singlebundle-distribution is invalid > at > org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(Unknown > Source) > at > org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(Unknown > Source) > at > org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(Unknown > Source) > at > org.eclipse.osgi.framework.internal.core.AbstractBundle.start(Unknown > Source) > at > org.eclipse.osgi.framework.internal.core.AbstractBundle.start(Unknown > Source) > at > org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(Unknown > Source) > at java.lang.reflect.Method.invoke(Unknown Source) > at > org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(Unknown > Source) > at > org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(Unknown > Source) > at > org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(Unknown > Source) > at > org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(Unknown > Source) > at java.lang.Thread.run(Unknown Source) > at java.lang.Thread.startup(Unknown Source) > Caused by: java.lang.UnsupportedClassVersionError: > org/apache/cxf/dosgi/singlebundle/AggregatedActivator (Unsupported > major.minor version 49.0) > > > > Sergey Beryozkin wrote: > >> Hi >> >> no problems at all - your questions are welcome. >> >> >> >>> I know DOSGi does not run under J2ME(I tested the single distribution and >>> it didn't go far) >>> >>> >> >> What happened during that test ? Just curious... >> >> I haven't worked with J2ME so I don't have any recommendations, sorry... >> >> cheers, Sergey >> >> >> Demetris-2 wrote: >> >> >>> Sergey one more question if you don't mind - you probably saw some of my >>> earlier postings >>> with Benson regarding running Web Services on mobiles. I can easily run >>> KF or Equinox >>> on mobiles and I can run some SOAP-based engines (ksoap-osgi) and open >>> source Web Servers. >>> I am leaning towards running REST-based services on mobiles - I know >>> DOSGi does not run >>> under J2ME (I tested the single distribution and it didn't go far) so I >>> am hoping to follow >>> another avenue along the same lines. If you have any advice on this I >>> would greatly appreciate it. >>> >>> Thanks and regards >>> >>> Sergey Beryozkin wrote: >>> >>> >>>> Hi >>>> >>>> Yes, we do, it is the CXF JAXRS implementation which is embedded inside >>>> the >>>> DOSGI RI but given that the RI is based on CXF it's probably can be >>>> expected. But DOSGi is an open spec. >>>> >>>> >>>> >>>>> Can I conceivably run this particular REST GreeterService and its >>>>>> >>>>>> >>>>> client on any OSGi Web >>>>> Server (how about Knopflerfish) with the JAX-RS libraries. >>>>> >>>>> >>>> You should have no problems publishing (RESTful) services on >>>> Knopflerfish >>>> as >>>> the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't >>>> be >>>> possible to run the (REST GreeterService) client on Knopflerfish though >>>> untill it implements the relevant OSGI spec (RFC 119 ?), but it should >>>> not >>>> be too difficult to do. In meantime the only option on the client side >>>> is >>>> to >>>> load the bundles containing code explicitly consuming a remote service >>>> (using proxy-based or http-centric api)... >>>> >>>> cheers, Sergey >>>> Demetris-2 wrote: >>>> >>>> >>>>> In other words, without trying to make this too convoluted, my question >>>>> is do you guys use your >>>>> own implementation of JAX-RS (instead of Jersey etc.). >>>>> >>>>> Thanks again >>>>> >>>>> Demetris wrote: >>>>> >>>>> >>>>>> Hi Sergey, >>>>>> >>>>>> I followed up on your info below in the distribution baseline - >>>>>> thanks, things are making a bit >>>>>> more sense now. >>>>>> >>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>> client on any OSGi Web >>>>>> Server (how about Knopflerfish) with the JAX-RS libraries. I do see >>>>>> you are using Felix and >>>>>> Equinox in your examples so I am assuming the answer is yes. >>>>>> What do you guys add to such a service with the >>>>>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>>>>> The reason I am asking is because I want to connect the REST service >>>>>> with its client by >>>>>> over p2p instead of over HTTP. >>>>>> >>>>>> Thanks >>>>>> >>>>>> Sergey Beryozkin wrote: >>>>>> >>>>>> >>>>>>> Hi >>>>>>> >>>>>>> Have a look please at >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >>>>>>> >>>>>>> it is indeed virtually identical to a soap based greeter demo but >>>>>>> the difference is here : >>>>>>> >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>>> rvice.java >>>>>>> >>>>>>> (note JAXRS annotations) >>>>>>> >>>>>>> and here : >>>>>>> >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>>> rvice2.java >>>>>>> >>>>>>> (has no annotations at all) but GreeterService2 uses this model : >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>>>>> >>>>>>> some more info is here : >>>>>>> >>>>>>> >>>>>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>>>>> >>>>>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>>>>> andconsumers >>>>>>> >>>>>>> hope it helps >>>>>>> Sergey >>>>>>> >>>>>>> >>>>>>> >>>>>>> -----Original Message----- >>>>>>> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >>>>>>> 08:13 >>>>>>> To: dev@... >>>>>>> Subject: D-OSGi and REST >>>>>>> >>>>>>> >>>>>>> Hi Sergey, >>>>>>> >>>>>>> you mentioned in the blog that users can now expose bundles/beans >>>>>>> as >>>>>>> >>>>>>> SOAP and >>>>>>> REST services. I looked over the example listed on the D-OSGi web >>>>>>> site but both >>>>>>> Greeter examples are the same for SOAP and REST - unless I am missing >>>>>>> something. >>>>>>> Do you have any examples of RESTful bundles? >>>>>>> >>>>>>> Thanks >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>>> >>> >>> >>> >> >> >> > > |
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Re: D-OSGi and REST
by Demetris-2
::
Rate this Message:
Exactly - thanks David for the response. I am looking at alternative solutions that are more geered towards mobility even though I do like a lot of the elements CXF showcases. David Bosschaert wrote: > Even if you were able to solve the class file version, there's probably > bigger problems with J2ME as AFAIK it doesn't support any of the Java 5 > features yet (e.g. annotations) and is missing chunks of JSE 5 libraries > that CXF uses. You can theoretically get CXF working on J2ME by retroweaving > it (see > http://www.osgi.org/wiki/uploads/CommunityEvent2007/OSGiCommunity-Roelofsen.pdf) > but I'm not sure this is really suitable for an embedded device with > constrained memory... > > Cheers, > > David > > 2009/9/28 Demetris <demetris@...> > > >> Hi Sergey - no problem at all. >> >> Regarding the test I got the following exception once I started the single >> distribution on >> a J2ME-CDC device - equinox (as well as Knopflerfish_ run fine under J2ME >> but >> the dosgi throws java.lang.UnsupportedClassVersionError exceptions (showing >> only >> the small trace below) >> >> Thanks >> >> ---- >> >> Framework is launched. >> >> id State Bundle >> 0 ACTIVE org.eclipse.osgi_3.5.0.v20090520 >> 11 ACTIVE org.eclipse.osgi.services_3.2.0.v20090520-1800 >> 12 RESOLVED cxf-dosgi-ri-singlebundle-distribution_1.0.0 >> 13 ACTIVE org.eclipse.osgi.util_3.2.0.v20090520-1800 >> >> osgi> start 12 >> org.osgi.framework.BundleException: The activator >> org.apache.cxf.dosgi.singlebundle.AggregatedActivator for bundle >> cxf-dosgi-ri-singlebundle-distribution is invalid >> at >> org.eclipse.osgi.framework.internal.core.AbstractBundle.loadBundleActivator(Unknown >> Source) >> at >> org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(Unknown >> Source) >> at >> org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(Unknown >> Source) >> at >> org.eclipse.osgi.framework.internal.core.AbstractBundle.start(Unknown >> Source) >> at >> org.eclipse.osgi.framework.internal.core.AbstractBundle.start(Unknown >> Source) >> at >> org.eclipse.osgi.framework.internal.core.FrameworkCommandProvider._start(Unknown >> Source) >> at java.lang.reflect.Method.invoke(Unknown Source) >> at >> org.eclipse.osgi.framework.internal.core.FrameworkCommandInterpreter.execute(Unknown >> Source) >> at >> org.eclipse.osgi.framework.internal.core.FrameworkConsole.docommand(Unknown >> Source) >> at >> org.eclipse.osgi.framework.internal.core.FrameworkConsole.console(Unknown >> Source) >> at >> org.eclipse.osgi.framework.internal.core.FrameworkConsole.run(Unknown >> Source) >> at java.lang.Thread.run(Unknown Source) >> at java.lang.Thread.startup(Unknown Source) >> Caused by: java.lang.UnsupportedClassVersionError: >> org/apache/cxf/dosgi/singlebundle/AggregatedActivator (Unsupported >> major.minor version 49.0) >> >> >> >> Sergey Beryozkin wrote: >> >> >>> Hi >>> >>> no problems at all - your questions are welcome. >>> >>> >>> >>> >>>> I know DOSGi does not run under J2ME(I tested the single distribution and >>>> it didn't go far) >>>> >>>> >>>> >>> What happened during that test ? Just curious... >>> >>> I haven't worked with J2ME so I don't have any recommendations, sorry... >>> >>> cheers, Sergey >>> >>> >>> Demetris-2 wrote: >>> >>> >>> >>>> Sergey one more question if you don't mind - you probably saw some of my >>>> earlier postings >>>> with Benson regarding running Web Services on mobiles. I can easily run >>>> KF or Equinox >>>> on mobiles and I can run some SOAP-based engines (ksoap-osgi) and open >>>> source Web Servers. >>>> I am leaning towards running REST-based services on mobiles - I know >>>> DOSGi does not run >>>> under J2ME (I tested the single distribution and it didn't go far) so I >>>> am hoping to follow >>>> another avenue along the same lines. If you have any advice on this I >>>> would greatly appreciate it. >>>> >>>> Thanks and regards >>>> >>>> Sergey Beryozkin wrote: >>>> >>>> >>>> >>>>> Hi >>>>> >>>>> Yes, we do, it is the CXF JAXRS implementation which is embedded inside >>>>> the >>>>> DOSGI RI but given that the RI is based on CXF it's probably can be >>>>> expected. But DOSGi is an open spec. >>>>> >>>>> >>>>> >>>>> >>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>> >>>>>>> >>>>>> client on any OSGi Web >>>>>> Server (how about Knopflerfish) with the JAX-RS libraries. >>>>>> >>>>>> >>>>>> >>>>> You should have no problems publishing (RESTful) services on >>>>> Knopflerfish >>>>> as >>>>> the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't >>>>> be >>>>> possible to run the (REST GreeterService) client on Knopflerfish though >>>>> untill it implements the relevant OSGI spec (RFC 119 ?), but it should >>>>> not >>>>> be too difficult to do. In meantime the only option on the client side >>>>> is >>>>> to >>>>> load the bundles containing code explicitly consuming a remote service >>>>> (using proxy-based or http-centric api)... >>>>> >>>>> cheers, Sergey >>>>> Demetris-2 wrote: >>>>> >>>>> >>>>> >>>>>> In other words, without trying to make this too convoluted, my question >>>>>> is do you guys use your >>>>>> own implementation of JAX-RS (instead of Jersey etc.). >>>>>> >>>>>> Thanks again >>>>>> >>>>>> Demetris wrote: >>>>>> >>>>>> >>>>>> >>>>>>> Hi Sergey, >>>>>>> >>>>>>> I followed up on your info below in the distribution baseline - >>>>>>> thanks, things are making a bit >>>>>>> more sense now. >>>>>>> >>>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>>> client on any OSGi Web >>>>>>> Server (how about Knopflerfish) with the JAX-RS libraries. I do see >>>>>>> you are using Felix and >>>>>>> Equinox in your examples so I am assuming the answer is yes. >>>>>>> What do you guys add to such a service with the >>>>>>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>>>>>> The reason I am asking is because I want to connect the REST service >>>>>>> with its client by >>>>>>> over p2p instead of over HTTP. >>>>>>> >>>>>>> Thanks >>>>>>> >>>>>>> Sergey Beryozkin wrote: >>>>>>> >>>>>>> >>>>>>> >>>>>>>> Hi >>>>>>>> >>>>>>>> Have a look please at >>>>>>>> >>>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >>>>>>>> >>>>>>>> it is indeed virtually identical to a soap based greeter demo but >>>>>>>> the difference is here : >>>>>>>> >>>>>>>> >>>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>>> >>>>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>>>> rvice.java >>>>>>>> >>>>>>>> (note JAXRS annotations) >>>>>>>> >>>>>>>> and here : >>>>>>>> >>>>>>>> >>>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>>> >>>>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>>>> rvice2.java >>>>>>>> >>>>>>>> (has no annotations at all) but GreeterService2 uses this model : >>>>>>>> >>>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>>> >>>>>>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>>>>>> >>>>>>>> some more info is here : >>>>>>>> >>>>>>>> >>>>>>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>>>>>> >>>>>>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>>>>>> andconsumers >>>>>>>> >>>>>>>> hope it helps >>>>>>>> Sergey >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >>>>>>>> 08:13 >>>>>>>> To: dev@... >>>>>>>> Subject: D-OSGi and REST >>>>>>>> >>>>>>>> >>>>>>>> Hi Sergey, >>>>>>>> >>>>>>>> you mentioned in the blog that users can now expose bundles/beans >>>>>>>> as >>>>>>>> >>>>>>>> SOAP and >>>>>>>> REST services. I looked over the example listed on the D-OSGi web >>>>>>>> site but both >>>>>>>> Greeter examples are the same for SOAP and REST - unless I am missing >>>>>>>> something. >>>>>>>> Do you have any examples of RESTful bundles? >>>>>>>> >>>>>>>> Thanks >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>> >>>> >>>> >>> >>> >> > > |
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Re: D-OSGi and REST
by Demetris-2
::
Rate this Message:
Hi Sergey, it is possible to execute bundles as RESTful resources on Felix without the need for JAX-RS annotations or the CXF libs? Felix has a full-featured HTTP bundlified server? Thanks Sergey Beryozkin wrote: > Hi > > no problems at all - your questions are welcome. > > >> I know DOSGi does not run under J2ME(I tested the single distribution and >> it didn't go far) >> > > What happened during that test ? Just curious... > > I haven't worked with J2ME so I don't have any recommendations, sorry... > > cheers, Sergey > > > Demetris-2 wrote: > >> Sergey one more question if you don't mind - you probably saw some of my >> earlier postings >> with Benson regarding running Web Services on mobiles. I can easily run >> KF or Equinox >> on mobiles and I can run some SOAP-based engines (ksoap-osgi) and open >> source Web Servers. >> I am leaning towards running REST-based services on mobiles - I know >> DOSGi does not run >> under J2ME (I tested the single distribution and it didn't go far) so I >> am hoping to follow >> another avenue along the same lines. If you have any advice on this I >> would greatly appreciate it. >> >> Thanks and regards >> >> Sergey Beryozkin wrote: >> >>> Hi >>> >>> Yes, we do, it is the CXF JAXRS implementation which is embedded inside >>> the >>> DOSGI RI but given that the RI is based on CXF it's probably can be >>> expected. But DOSGi is an open spec. >>> >>> >>> >>>>> Can I conceivably run this particular REST GreeterService and its >>>>> >>>>> >>>> client on any OSGi Web >>>> Server (how about Knopflerfish) with the JAX-RS libraries. >>>> >>>> >>> You should have no problems publishing (RESTful) services on Knopflerfish >>> as >>> the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't >>> be >>> possible to run the (REST GreeterService) client on Knopflerfish though >>> untill it implements the relevant OSGI spec (RFC 119 ?), but it should >>> not >>> be too difficult to do. In meantime the only option on the client side is >>> to >>> load the bundles containing code explicitly consuming a remote service >>> (using proxy-based or http-centric api)... >>> >>> cheers, Sergey >>> >>> >>> Demetris-2 wrote: >>> >>> >>>> In other words, without trying to make this too convoluted, my question >>>> is do you guys use your >>>> own implementation of JAX-RS (instead of Jersey etc.). >>>> >>>> Thanks again >>>> >>>> Demetris wrote: >>>> >>>> >>>>> Hi Sergey, >>>>> >>>>> I followed up on your info below in the distribution baseline - >>>>> thanks, things are making a bit >>>>> more sense now. >>>>> >>>>> Can I conceivably run this particular REST GreeterService and its >>>>> client on any OSGi Web >>>>> Server (how about Knopflerfish) with the JAX-RS libraries. I do see >>>>> you are using Felix and >>>>> Equinox in your examples so I am assuming the answer is yes. >>>>> What do you guys add to such a service with the >>>>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>>>> The reason I am asking is because I want to connect the REST service >>>>> with its client by >>>>> over p2p instead of over HTTP. >>>>> >>>>> Thanks >>>>> >>>>> Sergey Beryozkin wrote: >>>>> >>>>> >>>>>> Hi >>>>>> >>>>>> Have a look please at >>>>>> >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >>>>>> >>>>>> it is indeed virtually identical to a soap based greeter demo but >>>>>> the difference is here : >>>>>> >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>> rvice.java >>>>>> >>>>>> (note JAXRS annotations) >>>>>> >>>>>> and here : >>>>>> >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>> rvice2.java >>>>>> >>>>>> (has no annotations at all) but GreeterService2 uses this model : >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>>>> >>>>>> some more info is here : >>>>>> >>>>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>>>> andconsumers >>>>>> >>>>>> hope it helps >>>>>> Sergey >>>>>> >>>>>> >>>>>> >>>>>> -----Original Message----- >>>>>> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >>>>>> 08:13 >>>>>> To: dev@... >>>>>> Subject: D-OSGi and REST >>>>>> >>>>>> >>>>>> Hi Sergey, >>>>>> >>>>>> you mentioned in the blog that users can now expose bundles/beans >>>>>> as >>>>>> >>>>>> SOAP and >>>>>> REST services. I looked over the example listed on the D-OSGi web >>>>>> site but both >>>>>> Greeter examples are the same for SOAP and REST - unless I am missing >>>>>> something. >>>>>> Do you have any examples of RESTful bundles? >>>>>> >>>>>> Thanks >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>> >>>> >>> >>> >> >> > > |
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Re: D-OSGi and REST
by Demetris-2
::
Rate this Message:
I think this is what you meant here probably with 'no annotations' .. and here : http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe rvice2.java (has no annotations at all) but GreeterService2 uses this model : http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml Demetris wrote: > > Hi Sergey, > > it is possible to execute bundles as RESTful resources on Felix > without the need for > JAX-RS annotations or the CXF libs? Felix has a full-featured HTTP > bundlified server? > > Thanks > > Sergey Beryozkin wrote: >> Hi >> >> no problems at all - your questions are welcome. >> >> >>> I know DOSGi does not run under J2ME(I tested the single >>> distribution and >>> it didn't go far) >>> >> >> What happened during that test ? Just curious... >> >> I haven't worked with J2ME so I don't have any recommendations, sorry... >> >> cheers, Sergey >> >> >> Demetris-2 wrote: >> >>> Sergey one more question if you don't mind - you probably saw some >>> of my earlier postings >>> with Benson regarding running Web Services on mobiles. I can easily >>> run KF or Equinox >>> on mobiles and I can run some SOAP-based engines (ksoap-osgi) and >>> open source Web Servers. >>> I am leaning towards running REST-based services on mobiles - I know >>> DOSGi does not run >>> under J2ME (I tested the single distribution and it didn't go far) >>> so I am hoping to follow >>> another avenue along the same lines. If you have any advice on this >>> I would greatly appreciate it. >>> >>> Thanks and regards >>> >>> Sergey Beryozkin wrote: >>> >>>> Hi >>>> >>>> Yes, we do, it is the CXF JAXRS implementation which is embedded >>>> inside >>>> the >>>> DOSGI RI but given that the RI is based on CXF it's probably can be >>>> expected. But DOSGi is an open spec. >>>> >>>> >>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>> >>>>> client on any OSGi Web >>>>> Server (how about Knopflerfish) with the JAX-RS libraries. >>>>> >>>> You should have no problems publishing (RESTful) services on >>>> Knopflerfish >>>> as >>>> the DOSGI RI DSW component relies on the OSGI ServiceListener. It >>>> won't >>>> be >>>> possible to run the (REST GreeterService) client on Knopflerfish >>>> though >>>> untill it implements the relevant OSGI spec (RFC 119 ?), but it should >>>> not >>>> be too difficult to do. In meantime the only option on the client >>>> side is >>>> to >>>> load the bundles containing code explicitly consuming a remote service >>>> (using proxy-based or http-centric api)... >>>> >>>> cheers, Sergey >>>> >>>> Demetris-2 wrote: >>>> >>>>> In other words, without trying to make this too convoluted, my >>>>> question is do you guys use your >>>>> own implementation of JAX-RS (instead of Jersey etc.). >>>>> >>>>> Thanks again >>>>> >>>>> Demetris wrote: >>>>> >>>>>> Hi Sergey, >>>>>> >>>>>> I followed up on your info below in the distribution baseline - >>>>>> thanks, things are making a bit >>>>>> more sense now. >>>>>> >>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>> client on any OSGi Web >>>>>> Server (how about Knopflerfish) with the JAX-RS libraries. I do >>>>>> see you are using Felix and >>>>>> Equinox in your examples so I am assuming the answer is yes. >>>>>> What do you guys add to such a service with the >>>>>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>>>>> The reason I am asking is because I want to connect the REST >>>>>> service with its client by >>>>>> over p2p instead of over HTTP. >>>>>> >>>>>> Thanks >>>>>> >>>>>> Sergey Beryozkin wrote: >>>>>> >>>>>>> Hi >>>>>>> >>>>>>> Have a look please at >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >>>>>>> >>>>>>> >>>>>>> it is indeed virtually identical to a soap based greeter demo but >>>>>>> the difference is here : >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>>> >>>>>>> rvice.java >>>>>>> >>>>>>> (note JAXRS annotations) >>>>>>> >>>>>>> and here : >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>>> >>>>>>> rvice2.java >>>>>>> >>>>>>> (has no annotations at all) but GreeterService2 uses this model : >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>>>>> >>>>>>> >>>>>>> some more info is here : >>>>>>> >>>>>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>>>>> >>>>>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>>>>> >>>>>>> andconsumers >>>>>>> >>>>>>> hope it helps >>>>>>> Sergey >>>>>>> >>>>>>> >>>>>>> >>>>>>> -----Original Message----- >>>>>>> From: Demetris [mailto:demetris@...] Sent: 23 September >>>>>>> 2009 08:13 >>>>>>> To: dev@... >>>>>>> Subject: D-OSGi and REST >>>>>>> >>>>>>> >>>>>>> Hi Sergey, >>>>>>> >>>>>>> you mentioned in the blog that users can now expose >>>>>>> bundles/beans >>>>>>> as >>>>>>> >>>>>>> SOAP and >>>>>>> REST services. I looked over the example listed on the D-OSGi >>>>>>> web site but both >>>>>>> Greeter examples are the same for SOAP and REST - unless I am >>>>>>> missing something. >>>>>>> Do you have any examples of RESTful bundles? >>>>>>> >>>>>>> Thanks >>>>>>> >>>>>>> >>>>>>> >>>>> >>>> >>> >>> >> >> > |
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RE: D-OSGi and REST
by Sergey Beryozkin-2
::
Rate this Message:
Hi,
> it is possible to execute bundles as RESTful resources on Felix without the need for JAX-RS annotations Yes with DOSGI RI... > or the CXF libs? Quite possibly - but it will not be DOSGI RI then which will be used. Cheers, Sergey -----Original Message----- From: Demetris [mailto:demetris@...] Sent: 21 October 2009 05:08 To: dev@... Subject: Re: D-OSGi and REST Hi Sergey, it is possible to execute bundles as RESTful resources on Felix without the need for JAX-RS annotations or the CXF libs? Felix has a full-featured HTTP bundlified server? Thanks Sergey Beryozkin wrote: > Hi > > no problems at all - your questions are welcome. > > >> I know DOSGi does not run under J2ME(I tested the single distribution and >> it didn't go far) >> > > What happened during that test ? Just curious... > > I haven't worked with J2ME so I don't have any recommendations, sorry... > > cheers, Sergey > > > Demetris-2 wrote: > >> Sergey one more question if you don't mind - you probably saw some of my >> earlier postings >> with Benson regarding running Web Services on mobiles. I can easily run >> KF or Equinox >> on mobiles and I can run some SOAP-based engines (ksoap-osgi) and open >> source Web Servers. >> I am leaning towards running REST-based services on mobiles - I know >> DOSGi does not run >> under J2ME (I tested the single distribution and it didn't go far) so I >> am hoping to follow >> another avenue along the same lines. If you have any advice on this I >> would greatly appreciate it. >> >> Thanks and regards >> >> Sergey Beryozkin wrote: >> >>> Hi >>> >>> Yes, we do, it is the CXF JAXRS implementation which is embedded inside >>> the >>> DOSGI RI but given that the RI is based on CXF it's probably can be >>> expected. But DOSGi is an open spec. >>> >>> >>> >>>>> Can I conceivably run this particular REST GreeterService and its >>>>> >>>>> >>>> client on any OSGi Web >>>> Server (how about Knopflerfish) with the JAX-RS libraries. >>>> >>>> >>> You should have no problems publishing (RESTful) services on >>> as >>> the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't >>> be >>> possible to run the (REST GreeterService) client on Knopflerfish though >>> untill it implements the relevant OSGI spec (RFC 119 ?), but it should >>> not >>> be too difficult to do. In meantime the only option on the client side is >>> to >>> load the bundles containing code explicitly consuming a remote service >>> (using proxy-based or http-centric api)... >>> >>> cheers, Sergey >>> >>> >>> Demetris-2 wrote: >>> >>> >>>> In other words, without trying to make this too convoluted, my question >>>> is do you guys use your >>>> own implementation of JAX-RS (instead of Jersey etc.). >>>> >>>> Thanks again >>>> >>>> Demetris wrote: >>>> >>>> >>>>> Hi Sergey, >>>>> >>>>> I followed up on your info below in the distribution baseline - >>>>> thanks, things are making a bit >>>>> more sense now. >>>>> >>>>> Can I conceivably run this particular REST GreeterService and its >>>>> client on any OSGi Web >>>>> Server (how about Knopflerfish) with the JAX-RS libraries. I do >>>>> you are using Felix and >>>>> Equinox in your examples so I am assuming the answer is yes. >>>>> What do you guys add to such a service with the >>>>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>>>> The reason I am asking is because I want to connect the REST service >>>>> with its client by >>>>> over p2p instead of over HTTP. >>>>> >>>>> Thanks >>>>> >>>>> Sergey Beryozkin wrote: >>>>> >>>>> >>>>>> Hi >>>>>> >>>>>> Have a look please at >>>>>> >>>>>> >>>>>> >>>>>> it is indeed virtually identical to a soap based greeter demo but >>>>>> the difference is here : >>>>>> >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>> rvice.java >>>>>> >>>>>> (note JAXRS annotations) >>>>>> >>>>>> and here : >>>>>> >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>> rvice2.java >>>>>> >>>>>> (has no annotations at all) but GreeterService2 uses this model : >>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>>>> >>>>>> some more info is here : >>>>>> >>>>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>>>> andconsumers >>>>>> >>>>>> hope it helps >>>>>> Sergey >>>>>> >>>>>> >>>>>> >>>>>> -----Original Message----- >>>>>> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >>>>>> 08:13 >>>>>> To: dev@... >>>>>> Subject: D-OSGi and REST >>>>>> >>>>>> >>>>>> Hi Sergey, >>>>>> >>>>>> you mentioned in the blog that users can now expose bundles/beans >>>>>> as >>>>>> >>>>>> SOAP and >>>>>> REST services. I looked over the example listed on the D-OSGi web >>>>>> site but both >>>>>> Greeter examples are the same for SOAP and REST - unless I am missing >>>>>> something. >>>>>> Do you have any examples of RESTful bundles? >>>>>> >>>>>> Thanks >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>> >>>> >>> >>> >> >> > > |
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RE: D-OSGi and REST
by Sergey Beryozkin-2
::
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Yes. Some information about the annotation-free mode is here :
http://cxf.apache.org/docs/jax-rs.html#JAX-RS-RESTfulserviceswithoutanno tations cheers, Sergey -----Original Message----- From: Demetris [mailto:demetris@...] Sent: 21 October 2009 05:17 To: dev@... Subject: Re: D-OSGi and REST I think this is what you meant here probably with 'no annotations' .. and here : http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe rvice2.java (has no annotations at all) but GreeterService2 uses this model : http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml Demetris wrote: > > Hi Sergey, > > it is possible to execute bundles as RESTful resources on Felix > without the need for > JAX-RS annotations or the CXF libs? Felix has a full-featured HTTP > bundlified server? > > Thanks > > Sergey Beryozkin wrote: >> Hi >> >> no problems at all - your questions are welcome. >> >> >>> I know DOSGi does not run under J2ME(I tested the single >>> distribution and >>> it didn't go far) >>> >> >> What happened during that test ? Just curious... >> >> I haven't worked with J2ME so I don't have any recommendations, >> >> cheers, Sergey >> >> >> Demetris-2 wrote: >> >>> Sergey one more question if you don't mind - you probably saw some >>> of my earlier postings >>> with Benson regarding running Web Services on mobiles. I can easily >>> run KF or Equinox >>> on mobiles and I can run some SOAP-based engines (ksoap-osgi) and >>> open source Web Servers. >>> I am leaning towards running REST-based services on mobiles - I know >>> DOSGi does not run >>> under J2ME (I tested the single distribution and it didn't go far) >>> so I am hoping to follow >>> another avenue along the same lines. If you have any advice on this >>> I would greatly appreciate it. >>> >>> Thanks and regards >>> >>> Sergey Beryozkin wrote: >>> >>>> Hi >>>> >>>> Yes, we do, it is the CXF JAXRS implementation which is embedded >>>> inside >>>> the >>>> DOSGI RI but given that the RI is based on CXF it's probably can be >>>> expected. But DOSGi is an open spec. >>>> >>>> >>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>> >>>>> client on any OSGi Web >>>>> Server (how about Knopflerfish) with the JAX-RS libraries. >>>>> >>>> You should have no problems publishing (RESTful) services on >>>> Knopflerfish >>>> as >>>> the DOSGI RI DSW component relies on the OSGI ServiceListener. It >>>> won't >>>> be >>>> possible to run the (REST GreeterService) client on Knopflerfish >>>> though >>>> untill it implements the relevant OSGI spec (RFC 119 ?), but it >>>> not >>>> be too difficult to do. In meantime the only option on the client >>>> side is >>>> to >>>> load the bundles containing code explicitly consuming a remote service >>>> (using proxy-based or http-centric api)... >>>> >>>> cheers, Sergey >>>> >>>> Demetris-2 wrote: >>>> >>>>> In other words, without trying to make this too convoluted, my >>>>> question is do you guys use your >>>>> own implementation of JAX-RS (instead of Jersey etc.). >>>>> >>>>> Thanks again >>>>> >>>>> Demetris wrote: >>>>> >>>>>> Hi Sergey, >>>>>> >>>>>> I followed up on your info below in the distribution baseline - >>>>>> thanks, things are making a bit >>>>>> more sense now. >>>>>> >>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>> client on any OSGi Web >>>>>> Server (how about Knopflerfish) with the JAX-RS libraries. I do >>>>>> see you are using Felix and >>>>>> Equinox in your examples so I am assuming the answer is yes. >>>>>> What do you guys add to such a service with the >>>>>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>>>>> The reason I am asking is because I want to connect the REST >>>>>> service with its client by >>>>>> over p2p instead of over HTTP. >>>>>> >>>>>> Thanks >>>>>> >>>>>> Sergey Beryozkin wrote: >>>>>> >>>>>>> Hi >>>>>>> >>>>>>> Have a look please at >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> it is indeed virtually identical to a soap based greeter demo but >>>>>>> the difference is here : >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>>> >>>>>>> rvice.java >>>>>>> >>>>>>> (note JAXRS annotations) >>>>>>> >>>>>>> and here : >>>>>>> >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>>>>> >>>>>>> rvice2.java >>>>>>> >>>>>>> (has no annotations at all) but GreeterService2 uses this model : >>>>>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>>>>> >>>>>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>>>>> >>>>>>> >>>>>>> some more info is here : >>>>>>> >>>>>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>>>>> >>>>>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>>>>> >>>>>>> andconsumers >>>>>>> >>>>>>> hope it helps >>>>>>> Sergey >>>>>>> >>>>>>> >>>>>>> >>>>>>> -----Original Message----- >>>>>>> From: Demetris [mailto:demetris@...] Sent: 23 September >>>>>>> 2009 08:13 >>>>>>> To: dev@... >>>>>>> Subject: D-OSGi and REST >>>>>>> >>>>>>> >>>>>>> Hi Sergey, >>>>>>> >>>>>>> you mentioned in the blog that users can now expose >>>>>>> bundles/beans >>>>>>> as >>>>>>> >>>>>>> SOAP and >>>>>>> REST services. I looked over the example listed on the D-OSGi >>>>>>> web site but both >>>>>>> Greeter examples are the same for SOAP and REST - unless I am >>>>>>> missing something. >>>>>>> Do you have any examples of RESTful bundles? >>>>>>> >>>>>>> Thanks >>>>>>> >>>>>>> >>>>>>> >>>>> >>>> >>> >>> >> >> > |
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Re: D-OSGi and REST
by Demetris-2
::
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Excellent - thanks Sergey. Sergey Beryozkin wrote: > Yes. Some information about the annotation-free mode is here : > > http://cxf.apache.org/docs/jax-rs.html#JAX-RS-RESTfulserviceswithoutanno > tations > > cheers, Sergey > > > > -----Original Message----- > From: Demetris [mailto:demetris@...] > Sent: 21 October 2009 05:17 > To: dev@... > Subject: Re: D-OSGi and REST > > > I think this is what you meant here probably with 'no annotations' .. > > and here : > > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe > rvice2.java > > (has no annotations at all) but GreeterService2 uses this model : > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml > > > > Demetris wrote: > >> Hi Sergey, >> >> it is possible to execute bundles as RESTful resources on Felix >> without the need for >> JAX-RS annotations or the CXF libs? Felix has a full-featured HTTP >> bundlified server? >> >> Thanks >> >> Sergey Beryozkin wrote: >> >>> Hi >>> >>> no problems at all - your questions are welcome. >>> >>> >>> >>>> I know DOSGi does not run under J2ME(I tested the single >>>> distribution and >>>> it didn't go far) >>>> >>>> >>> What happened during that test ? Just curious... >>> >>> I haven't worked with J2ME so I don't have any recommendations, >>> > sorry... > >>> cheers, Sergey >>> >>> >>> Demetris-2 wrote: >>> >>> >>>> Sergey one more question if you don't mind - you probably saw some >>>> of my earlier postings >>>> with Benson regarding running Web Services on mobiles. I can easily >>>> run KF or Equinox >>>> on mobiles and I can run some SOAP-based engines (ksoap-osgi) and >>>> open source Web Servers. >>>> I am leaning towards running REST-based services on mobiles - I know >>>> > > >>>> DOSGi does not run >>>> under J2ME (I tested the single distribution and it didn't go far) >>>> so I am hoping to follow >>>> another avenue along the same lines. If you have any advice on this >>>> I would greatly appreciate it. >>>> >>>> Thanks and regards >>>> >>>> Sergey Beryozkin wrote: >>>> >>>> >>>>> Hi >>>>> >>>>> Yes, we do, it is the CXF JAXRS implementation which is embedded >>>>> inside >>>>> the >>>>> DOSGI RI but given that the RI is based on CXF it's probably can be >>>>> expected. But DOSGi is an open spec. >>>>> >>>>> >>>>> >>>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>>> > > >>>>>>> >>>>>>> >>>>>> client on any OSGi Web >>>>>> Server (how about Knopflerfish) with the JAX-RS libraries. >>>>>> >>>>>> >>>>> You should have no problems publishing (RESTful) services on >>>>> Knopflerfish >>>>> as >>>>> the DOSGI RI DSW component relies on the OSGI ServiceListener. It >>>>> won't >>>>> be >>>>> possible to run the (REST GreeterService) client on Knopflerfish >>>>> though >>>>> untill it implements the relevant OSGI spec (RFC 119 ?), but it >>>>> > should > >>>>> not >>>>> be too difficult to do. In meantime the only option on the client >>>>> side is >>>>> to >>>>> load the bundles containing code explicitly consuming a remote >>>>> > service > >>>>> (using proxy-based or http-centric api)... >>>>> >>>>> cheers, Sergey >>>>> >>>>> Demetris-2 wrote: >>>>> >>>>> >>>>>> In other words, without trying to make this too convoluted, my >>>>>> question is do you guys use your >>>>>> own implementation of JAX-RS (instead of Jersey etc.). >>>>>> >>>>>> Thanks again >>>>>> >>>>>> Demetris wrote: >>>>>> >>>>>> >>>>>>> Hi Sergey, >>>>>>> >>>>>>> I followed up on your info below in the distribution baseline - >>>>>>> thanks, things are making a bit >>>>>>> more sense now. >>>>>>> >>>>>>> Can I conceivably run this particular REST GreeterService and its >>>>>>> > > >>>>>>> client on any OSGi Web >>>>>>> Server (how about Knopflerfish) with the JAX-RS libraries. I do >>>>>>> see you are using Felix and >>>>>>> Equinox in your examples so I am assuming the answer is yes. >>>>>>> What do you guys add to such a service with the >>>>>>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>>>>>> The reason I am asking is because I want to connect the REST >>>>>>> service with its client by >>>>>>> over p2p instead of over HTTP. >>>>>>> >>>>>>> Thanks >>>>>>> >>>>>>> Sergey Beryozkin wrote: >>>>>>> >>>>>>> >>>>>>>> Hi >>>>>>>> >>>>>>>> Have a look please at >>>>>>>> >>>>>>>> >>>>>>>> > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ > >>>>>>>> it is indeed virtually identical to a soap based greeter demo >>>>>>>> > but > >>>>>>>> the difference is here : >>>>>>>> >>>>>>>> >>>>>>>> > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > > >>>>>>>> > erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe > > >>>>>>>> rvice.java >>>>>>>> >>>>>>>> (note JAXRS annotations) >>>>>>>> >>>>>>>> and here : >>>>>>>> >>>>>>>> >>>>>>>> > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > > >>>>>>>> > erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe > > >>>>>>>> rvice2.java >>>>>>>> >>>>>>>> (has no annotations at all) but GreeterService2 uses this model >>>>>>>> > : > > http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int > > >>>>>>>> > erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml > >>>>>>>> some more info is here : >>>>>>>> >>>>>>>> >>>>>>>> > http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef > > >>>>>>>> > erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints > > >>>>>>>> andconsumers >>>>>>>> >>>>>>>> hope it helps >>>>>>>> Sergey >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -----Original Message----- >>>>>>>> From: Demetris [mailto:demetris@...] Sent: 23 September >>>>>>>> 2009 08:13 >>>>>>>> To: dev@... >>>>>>>> Subject: D-OSGi and REST >>>>>>>> >>>>>>>> >>>>>>>> Hi Sergey, >>>>>>>> >>>>>>>> you mentioned in the blog that users can now expose >>>>>>>> bundles/beans >>>>>>>> as >>>>>>>> >>>>>>>> SOAP and >>>>>>>> REST services. I looked over the example listed on the D-OSGi >>>>>>>> web site but both >>>>>>>> Greeter examples are the same for SOAP and REST - unless I am >>>>>>>> missing something. >>>>>>>> Do you have any examples of RESTful bundles? >>>>>>>> >>>>>>>> Thanks >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>> >>>>>> >>>>> >>>>> >>>> >>>> >>> >>> > > > |
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Re: D-OSGi and REST
by Demetris-2
::
Rate this Message:
Hi Sergey, did you ever try deploying servlets (to serve calls to RESTful services) on Felix or did you only work on the CXF JAX-RS implementation? I am curious as to whether the OSGi HTTP server can handle servlets for this purpose. I have a feeling that it may not support a web.xml. I want to compare some performance metrics between such different implementations - any ideas will be greatly welcomed. Many regards Demetris Sergey Beryozkin wrote: > Hi > > Yes, we do, it is the CXF JAXRS implementation which is embedded inside the > DOSGI RI but given that the RI is based on CXF it's probably can be > expected. But DOSGi is an open spec. > > >>> Can I conceivably run this particular REST GreeterService and its >>> >> client on any OSGi Web >> Server (how about Knopflerfish) with the JAX-RS libraries. >> > > You should have no problems publishing (RESTful) services on Knopflerfish as > the DOSGI RI DSW component relies on the OSGI ServiceListener. It won't be > possible to run the (REST GreeterService) client on Knopflerfish though > untill it implements the relevant OSGI spec (RFC 119 ?), but it should not > be too difficult to do. In meantime the only option on the client side is to > load the bundles containing code explicitly consuming a remote service > (using proxy-based or http-centric api)... > > cheers, Sergey > > > Demetris-2 wrote: > >> In other words, without trying to make this too convoluted, my question >> is do you guys use your >> own implementation of JAX-RS (instead of Jersey etc.). >> >> Thanks again >> >> Demetris wrote: >> >>> Hi Sergey, >>> >>> I followed up on your info below in the distribution baseline - >>> thanks, things are making a bit >>> more sense now. >>> >>> Can I conceivably run this particular REST GreeterService and its >>> client on any OSGi Web >>> Server (how about Knopflerfish) with the JAX-RS libraries. I do see >>> you are using Felix and >>> Equinox in your examples so I am assuming the answer is yes. >>> What do you guys add to such a service with the >>> cxf-dosgi-ri-singlebundle-distribution_1.0.0? >>> The reason I am asking is because I want to connect the REST service >>> with its client by >>> over p2p instead of over HTTP. >>> >>> Thanks >>> >>> Sergey Beryozkin wrote: >>> >>>> Hi >>>> >>>> Have a look please at >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/ >>>> >>>> it is indeed virtually identical to a soap based greeter demo but >>>> the difference is here : >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>> rvice.java >>>> >>>> (note JAXRS annotations) >>>> >>>> and here : >>>> >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/java/org/apache/cxf/dosgi/samples/greeter/rest/GreeterSe >>>> rvice2.java >>>> >>>> (has no annotations at all) but GreeterService2 uses this model : >>>> http://svn.apache.org/repos/asf/cxf/dosgi/trunk/samples/greeter_rest/int >>>> erface/src/main/resources/OSGI-INF/cxf/jaxrs/GreeterService2-model.xml >>>> >>>> some more info is here : >>>> >>>> http://cxf.apache.org/distributed-osgi-reference.html#DistributedOSGiRef >>>> erence-ServiceProviderpropertiesForConfiguringRESTfulJAXRSbasedendpoints >>>> andconsumers >>>> >>>> hope it helps >>>> Sergey >>>> >>>> >>>> >>>> -----Original Message----- >>>> From: Demetris [mailto:demetris@...] Sent: 23 September 2009 >>>> 08:13 >>>> To: dev@... >>>> Subject: D-OSGi and REST >>>> >>>> >>>> Hi Sergey, >>>> >>>> you mentioned in the blog that users can now expose bundles/beans as >>>> >>>> SOAP and >>>> REST services. I looked over the example listed on the D-OSGi web >>>> site but both >>>> Greeter examples are the same for SOAP and REST - unless I am missing >>>> something. >>>> Do you have any examples of RESTful bundles? >>>> >>>> Thanks >>>> >>>> >>>> >>>> >> >> > > |
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