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Posted to j-dev@xerces.apache.org by Shakya Wijerama <sh...@gmail.com> on 2012/07/02 04:44:28 UTC
Re: Progress of GSoC 2012 project - Cannot validate against multiple
XML schemas within the same namespace
Hello Michael, devs,
Here are the steps I have followed inorder to develop the code after a
discussion with Michael.
1. The important modifications are done in the newSchema(Source []sources)
methods in the XMLSchemaFactory.java class.
2. Inorder to validate shcemas against multiple namespaces, a new method
has been introduced and invoked just before the
loadGrammar() method.
3. After passing the XMLInputSources in to the new method which is named as
generateDummySchema(XMLInputSource[] xmlInputSources)
it will return a top-level generated schema.
4. It glues all the the sources together and can contain a tree of schemas
which can be traversed recursively by Xerces.
5. After schema generation a new entity resolver to resolve the sources
which I have generated in the generateDummySchema method
(this has to be implemented).
6. I have to keep a cache of the sources that were passed in and any
include level schemas that were generated, the resolver would
return these documents when asked by Xerces. The caching mechanism is done
through StringBuffers.
Hope to update you more in next few days.
Thanks.
On Thu, Jun 21, 2012 at 7:48 PM, Michael Glavassevich
<mr...@ca.ibm.com>wrote:
> Hi Shakya,
>
> Thanks for the update. Looking forward to hearing more about how things
> are progressing.
>
> Michael Glavassevich
> XML Technologies and WAS Development
> IBM Toronto Lab
> E-mail: mrglavas@ca.ibm.com
> E-mail: mrglavas@apache.org
>
> Shakya Wijerama <sh...@gmail.com> wrote on 21/06/2012 12:22:23
> AM:
>
> > Hi Devs,
> >
> > I have been working on "Cannot validate against multiple XML schema
> > within the same namespace" and studied thoroughly about the related
> > areas of the project in the Xerces code and
> > learnt about Schema generation. And I have been implementing the
> > design as discussed with Michael and will give an update about the
> > implementation along with the code within next few days.
> >
> > --
> >
> > Regards,
> >
> > Shakya Wijerama
> >
> > Senior Student,
> > Faculty of Applied Sciences,
> > Sabaragamuwa University of Sri Lanka.
>
--
Regards,
*Shakya Wijerama*
Senior Student,
Faculty of Applied Sciences,
Sabaragamuwa University of Sri Lanka.
Re: Progress of GSoC 2012 project - Cannot validate against multiple XML
schemas within the same namespace
Posted by Michael Glavassevich <mr...@ca.ibm.com>.
Hi Shakya,
Thank you for your contributions and all the effort you've put in
throughout the summer.
Michael Glavassevich
XML Technologies and WAS Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org
Shakya Wijerama <sh...@gmail.com> wrote on 24/08/2012 10:30:55
PM:
> Hello Michael/Devs,
>
> It is my pleasure to tell you that I have passed the final
> evaluations and there by I have finished the Google summer
> successfully. So would like to make this an opportunity to thank
> you all who helped me and special gratitude and credit goes to my
> mentor (Michael Glavassevich) who inspired me and helped me
> enormously throughout the summer.
>
> Thanks.
>
> On Sun, Aug 19, 2012 at 2:29 AM, Michael Glavassevich
<mrglavas@ca.ibm.com
> > wrote:
> (Forwarding to the mailing list.)
>
> Shakya, thanks for the update.
>
> Michael Glavassevich
> XML Technologies and WAS Development
> IBM Toronto Lab
> E-mail: mrglavas@ca.ibm.com
> E-mail: mrglavas@apache.org
> Shakya Wijerama <sh...@gmail.com> wrote on 18/08/2012 02:34:41
PM:
>
> > Hello Michael and Devs,
> >
> > Up to now I have written the code for the second part of the
> > project, which is the "entity resolver". I discussed the latest
> > issues I had, with Michael and will update the code for the project
> > by tomorrow in the JIRA.
> >
> > Thanks.
>
> > On Mon, Jul 30, 2012 at 7:47 AM, Michael Glavassevich
<mrglavas@ca.ibm.com
> > > wrote:
> > Hi Shakya,
> >
> > Great work!
> >
> > I know you're almost ready to tie this together with an entity
> > resolver. Let us know if you have any questions on how to design and
> > implement that.
> >
> > Thanks.
> >
> > Michael Glavassevich
> > XML Technologies and WAS Development
> > IBM Toronto Lab
> > E-mail: mrglavas@ca.ibm.com
> > E-mail: mrglavas@apache.org
>
> > Shakya Wijerama <sh...@gmail.com> wrote on 24/07/2012
11:42:34 AM:
> >
> > > Hello Michael and devs,
> > >
> > > This is to update my progress until the mid term evaluations.
> > >
> > > I have been working on getting the namespaces from the
> > > XMLInputSource. Since there are four types of sources that can be
> > > passed to XMLInputSource such as Stream, SAX, DOM and StAX sources.
> > > Though extracting the namespace from the DOMSource was
> > > starightforward, extracting the namespace from the SAXSource was
> > > complex and I had to write a SAXContentHandler which implements
> > > the ContentHandler interface. Then I set the SAXContenHandler an
> > > XMLSerializer object with a ByteArrayOutputStream object injected.
> > >
> > > Then I set the SAXContentHandler the above XMLSerialzer and injected
> > > the SAXContentHandler to the parser. After parsing the source I
> > > could get the namespace of the SAXSource via the output stream.
> > >
> > > I am working on extracting the namespaces for the StAX source and,
> > > Stream source and will complete that task within next few days.
> > > Later I will have to continue with entity resolvers as I have
> > > mentioned in my project proposal
> > >
> > > Thanks.
> >
> > > On Mon, Jul 2, 2012 at 8:14 AM, Shakya Wijerama
<shakya.wijerama@gmail.com
> > > > wrote:
> > > Hello Michael, devs,
> > >
> > > Here are the steps I have followed inorder to develop the code after
> > > a discussion with Michael.
> > >
> > > 1. The important modifications are done in the newSchema(Source []
> > > sources) methods in the XMLSchemaFactory.java class.
> > > 2. Inorder to validate shcemas against multiple namespaces, a new
> > > method has been introduced and invoked just before the
> > > loadGrammar() method.
> > > 3. After passing the XMLInputSources in to the new method which is
> > > named as generateDummySchema(XMLInputSource[] xmlInputSources)
> > > it will return a top-level generated schema.
> > > 4. It glues all the the sources together and can contain a tree of
> > > schemas which can be traversed recursively by Xerces.
> > > 5. After schema generation a new entity resolver to resolve the
> > > sources which I have generated in the generateDummySchema method
> > > (this has to be implemented).
> > > 6. I have to keep a cache of the sources that were passed in and any
> > > include level schemas that were generated, the resolver would
> > > return these documents when asked by Xerces. The caching mechanism
> > > is done through StringBuffers.
> > >
> > > Hope to update you more in next few days.
> > >
> > > Thanks.
> > >
> > > On Thu, Jun 21, 2012 at 7:48 PM, Michael Glavassevich
<mrglavas@ca.ibm.com
> > > > wrote:
> > > Hi Shakya,
> > >
> > > Thanks for the update. Looking forward to hearing more about how
> > > things are progressing.
> > >
> > > Michael Glavassevich
> > > XML Technologies and WAS Development
> > > IBM Toronto Lab
> > > E-mail: mrglavas@ca.ibm.com
> > > E-mail: mrglavas@apache.org
> > >
> > > Shakya Wijerama <sh...@gmail.com> wrote on 21/06/2012
> 12:22:23 AM:
> > >
> > > > Hi Devs,
> > > >
> > > > I have been working on "Cannot validate against multiple XML
schema
> > > > within the same namespace" and studied thoroughly about the
related
> > > > areas of the project in the Xerces code and
> > > > learnt about Schema generation. And I have been implementing the
> > > > design as discussed with Michael and will give an update about the
> > > > implementation along with the code within next few days.
> > > >
> > > > --
> > > >
> > > > Regards,
> > > >
> > > > Shakya Wijerama
> > > >
> > > > Senior Student,
> > > > Faculty of Applied Sciences,
> > > > Sabaragamuwa University of Sri Lanka.
> > >
> >
> > >
> > > --
> > >
> >
> > >
> > > Regards,
> > >
> > > Shakya Wijerama
> > >
> > > Senior Student,
> > > Faculty of Applied Sciences,
> > > Sabaragamuwa University of Sri Lanka.
> > >
> > >
> >
> > >
> > > --
> > >
> >
> > >
> > > Regards,
> > >
> > > Shakya Wijerama
> > >
> > > Senior Student,
> > > Faculty of Applied Sciences,
> > > Sabaragamuwa University of Sri Lanka.
> >
>
> >
> > --
> >
>
> >
> > Regards,
> >
> > Shakya Wijerama
> >
> > Senior Student,
> > Faculty of Applied Sciences,
> > Sabaragamuwa University of Sri Lanka.
>
>
> --
>
>
> Regards,
>
> Shakya Wijerama
>
> Senior Student,
> Faculty of Applied Sciences,
> Sabaragamuwa University of Sri Lanka.
Re: Progress of GSoC 2012 project - Cannot validate against multiple XML
schemas within the same namespace
Posted by Michael Glavassevich <mr...@ca.ibm.com>.
(Forwarding to the mailing list.)
Shakya, thanks for the update.
Michael Glavassevich
XML Technologies and WAS Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org
Shakya Wijerama <sh...@gmail.com> wrote on 18/08/2012 02:34:41
PM:
> Hello Michael and Devs,
>
> Up to now I have written the code for the second part of the
> project, which is the "entity resolver". I discussed the latest
> issues I had, with Michael and will update the code for the project
> by tomorrow in the JIRA.
>
> Thanks.
> On Mon, Jul 30, 2012 at 7:47 AM, Michael Glavassevich
<mrglavas@ca.ibm.com
> > wrote:
> Hi Shakya,
>
> Great work!
>
> I know you're almost ready to tie this together with an entity
> resolver. Let us know if you have any questions on how to design and
> implement that.
>
> Thanks.
>
> Michael Glavassevich
> XML Technologies and WAS Development
> IBM Toronto Lab
> E-mail: mrglavas@ca.ibm.com
> E-mail: mrglavas@apache.org
> Shakya Wijerama <sh...@gmail.com> wrote on 24/07/2012 11:42:34
AM:
>
> > Hello Michael and devs,
> >
> > This is to update my progress until the mid term evaluations.
> >
> > I have been working on getting the namespaces from the
> > XMLInputSource. Since there are four types of sources that can be
> > passed to XMLInputSource such as Stream, SAX, DOM and StAX sources.
> > Though extracting the namespace from the DOMSource was
> > starightforward, extracting the namespace from the SAXSource was
> > complex and I had to write a SAXContentHandler which implements
> > the ContentHandler interface. Then I set the SAXContenHandler an
> > XMLSerializer object with a ByteArrayOutputStream object injected.
> >
> > Then I set the SAXContentHandler the above XMLSerialzer and injected
> > the SAXContentHandler to the parser. After parsing the source I
> > could get the namespace of the SAXSource via the output stream.
> >
> > I am working on extracting the namespaces for the StAX source and,
> > Stream source and will complete that task within next few days.
> > Later I will have to continue with entity resolvers as I have
> > mentioned in my project proposal
> >
> > Thanks.
>
> > On Mon, Jul 2, 2012 at 8:14 AM, Shakya Wijerama
<shakya.wijerama@gmail.com
> > > wrote:
> > Hello Michael, devs,
> >
> > Here are the steps I have followed inorder to develop the code after
> > a discussion with Michael.
> >
> > 1. The important modifications are done in the newSchema(Source []
> > sources) methods in the XMLSchemaFactory.java class.
> > 2. Inorder to validate shcemas against multiple namespaces, a new
> > method has been introduced and invoked just before the
> > loadGrammar() method.
> > 3. After passing the XMLInputSources in to the new method which is
> > named as generateDummySchema(XMLInputSource[] xmlInputSources)
> > it will return a top-level generated schema.
> > 4. It glues all the the sources together and can contain a tree of
> > schemas which can be traversed recursively by Xerces.
> > 5. After schema generation a new entity resolver to resolve the
> > sources which I have generated in the generateDummySchema method
> > (this has to be implemented).
> > 6. I have to keep a cache of the sources that were passed in and any
> > include level schemas that were generated, the resolver would
> > return these documents when asked by Xerces. The caching mechanism
> > is done through StringBuffers.
> >
> > Hope to update you more in next few days.
> >
> > Thanks.
> >
> > On Thu, Jun 21, 2012 at 7:48 PM, Michael Glavassevich
<mrglavas@ca.ibm.com
> > > wrote:
> > Hi Shakya,
> >
> > Thanks for the update. Looking forward to hearing more about how
> > things are progressing.
> >
> > Michael Glavassevich
> > XML Technologies and WAS Development
> > IBM Toronto Lab
> > E-mail: mrglavas@ca.ibm.com
> > E-mail: mrglavas@apache.org
> >
> > Shakya Wijerama <sh...@gmail.com> wrote on 21/06/2012
12:22:23 AM:
> >
> > > Hi Devs,
> > >
> > > I have been working on "Cannot validate against multiple XML schema
> > > within the same namespace" and studied thoroughly about the related
> > > areas of the project in the Xerces code and
> > > learnt about Schema generation. And I have been implementing the
> > > design as discussed with Michael and will give an update about the
> > > implementation along with the code within next few days.
> > >
> > > --
> > >
> > > Regards,
> > >
> > > Shakya Wijerama
> > >
> > > Senior Student,
> > > Faculty of Applied Sciences,
> > > Sabaragamuwa University of Sri Lanka.
> >
>
> >
> > --
> >
>
> >
> > Regards,
> >
> > Shakya Wijerama
> >
> > Senior Student,
> > Faculty of Applied Sciences,
> > Sabaragamuwa University of Sri Lanka.
> >
> >
>
> >
> > --
> >
>
> >
> > Regards,
> >
> > Shakya Wijerama
> >
> > Senior Student,
> > Faculty of Applied Sciences,
> > Sabaragamuwa University of Sri Lanka.
>
>
> --
>
>
> Regards,
>
> Shakya Wijerama
>
> Senior Student,
> Faculty of Applied Sciences,
> Sabaragamuwa University of Sri Lanka.
Re: Progress of GSoC 2012 project - Cannot validate against multiple XML
schemas within the same namespace
Posted by Michael Glavassevich <mr...@ca.ibm.com>.
Hi Shakya,
Great work!
I know you're almost ready to tie this together with an entity resolver.
Let us know if you have any questions on how to design and implement that.
Thanks.
Michael Glavassevich
XML Technologies and WAS Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org
Shakya Wijerama <sh...@gmail.com> wrote on 24/07/2012 11:42:34
AM:
> Hello Michael and devs,
>
> This is to update my progress until the mid term evaluations.
>
> I have been working on getting the namespaces from the
> XMLInputSource. Since there are four types of sources that can be
> passed to XMLInputSource such as Stream, SAX, DOM and StAX sources.
> Though extracting the namespace from the DOMSource was
> starightforward, extracting the namespace from the SAXSource was
> complex and I had to write a SAXContentHandler which implements
> the ContentHandler interface. Then I set the SAXContenHandler an
> XMLSerializer object with a ByteArrayOutputStream object injected.
>
> Then I set the SAXContentHandler the above XMLSerialzer and injected
> the SAXContentHandler to the parser. After parsing the source I
> could get the namespace of the SAXSource via the output stream.
>
> I am working on extracting the namespaces for the StAX source and,
> Stream source and will complete that task within next few days.
> Later I will have to continue with entity resolvers as I have
> mentioned in my project proposal
>
> Thanks.
> On Mon, Jul 2, 2012 at 8:14 AM, Shakya Wijerama
<shakya.wijerama@gmail.com
> > wrote:
> Hello Michael, devs,
>
> Here are the steps I have followed inorder to develop the code after
> a discussion with Michael.
>
> 1. The important modifications are done in the newSchema(Source []
> sources) methods in the XMLSchemaFactory.java class.
> 2. Inorder to validate shcemas against multiple namespaces, a new
> method has been introduced and invoked just before the
> loadGrammar() method.
> 3. After passing the XMLInputSources in to the new method which is
> named as generateDummySchema(XMLInputSource[] xmlInputSources)
> it will return a top-level generated schema.
> 4. It glues all the the sources together and can contain a tree of
> schemas which can be traversed recursively by Xerces.
> 5. After schema generation a new entity resolver to resolve the
> sources which I have generated in the generateDummySchema method
> (this has to be implemented).
> 6. I have to keep a cache of the sources that were passed in and any
> include level schemas that were generated, the resolver would
> return these documents when asked by Xerces. The caching mechanism
> is done through StringBuffers.
>
> Hope to update you more in next few days.
>
> Thanks.
>
> On Thu, Jun 21, 2012 at 7:48 PM, Michael Glavassevich
<mrglavas@ca.ibm.com
> > wrote:
> Hi Shakya,
>
> Thanks for the update. Looking forward to hearing more about how
> things are progressing.
>
> Michael Glavassevich
> XML Technologies and WAS Development
> IBM Toronto Lab
> E-mail: mrglavas@ca.ibm.com
> E-mail: mrglavas@apache.org
>
> Shakya Wijerama <sh...@gmail.com> wrote on 21/06/2012 12:22:23
AM:
>
> > Hi Devs,
> >
> > I have been working on "Cannot validate against multiple XML schema
> > within the same namespace" and studied thoroughly about the related
> > areas of the project in the Xerces code and
> > learnt about Schema generation. And I have been implementing the
> > design as discussed with Michael and will give an update about the
> > implementation along with the code within next few days.
> >
> > --
> >
> > Regards,
> >
> > Shakya Wijerama
> >
> > Senior Student,
> > Faculty of Applied Sciences,
> > Sabaragamuwa University of Sri Lanka.
>
>
> --
>
>
> Regards,
>
> Shakya Wijerama
>
> Senior Student,
> Faculty of Applied Sciences,
> Sabaragamuwa University of Sri Lanka.
>
>
>
> --
>
>
> Regards,
>
> Shakya Wijerama
>
> Senior Student,
> Faculty of Applied Sciences,
> Sabaragamuwa University of Sri Lanka.
Re: Progress of GSoC 2012 project - Cannot validate against multiple
XML schemas within the same namespace
Posted by Shakya Wijerama <sh...@gmail.com>.
Hello Michael and devs,
This is to update my progress until the mid term evaluations.
I have been working on getting the namespaces from the XMLInputSource.
Since there are four types of sources that can be passed to XMLInputSource
such as Stream, SAX, DOM and StAX sources. Though extracting the namespace
from the DOMSource was starightforward, extracting the namespace from the
SAXSource was complex and I had to write a SAXContentHandler which
implements the ContentHandler interface. Then I set the SAXContenHandler an
XMLSerializer object with a ByteArrayOutputStream object injected.
Then I set the SAXContentHandler the above XMLSerialzer and injected the
SAXContentHandler to the parser. After parsing the source I could get the
namespace of the SAXSource via the output stream.
I am working on extracting the namespaces for the StAX source and, Stream
source and will complete that task within next few days. Later I will have
to continue with entity resolvers as I have mentioned in my project proposal
Thanks.
On Mon, Jul 2, 2012 at 8:14 AM, Shakya Wijerama
<sh...@gmail.com>wrote:
> Hello Michael, devs,
>
> Here are the steps I have followed inorder to develop the code after a
> discussion with Michael.
>
> 1. The important modifications are done in the newSchema(Source []sources)
> methods in the XMLSchemaFactory.java class.
> 2. Inorder to validate shcemas against multiple namespaces, a new method
> has been introduced and invoked just before the
> loadGrammar() method.
> 3. After passing the XMLInputSources in to the new method which is named
> as generateDummySchema(XMLInputSource[] xmlInputSources)
> it will return a top-level generated schema.
> 4. It glues all the the sources together and can contain a tree of schemas
> which can be traversed recursively by Xerces.
> 5. After schema generation a new entity resolver to resolve the sources
> which I have generated in the generateDummySchema method
> (this has to be implemented).
> 6. I have to keep a cache of the sources that were passed in and any
> include level schemas that were generated, the resolver would
> return these documents when asked by Xerces. The caching mechanism is done
> through StringBuffers.
>
> Hope to update you more in next few days.
>
> Thanks.
>
> On Thu, Jun 21, 2012 at 7:48 PM, Michael Glavassevich <mrglavas@ca.ibm.com
> > wrote:
>
>> Hi Shakya,
>>
>> Thanks for the update. Looking forward to hearing more about how things
>> are progressing.
>>
>> Michael Glavassevich
>> XML Technologies and WAS Development
>> IBM Toronto Lab
>> E-mail: mrglavas@ca.ibm.com
>> E-mail: mrglavas@apache.org
>>
>> Shakya Wijerama <sh...@gmail.com> wrote on 21/06/2012 12:22:23
>> AM:
>>
>> > Hi Devs,
>> >
>> > I have been working on "Cannot validate against multiple XML schema
>> > within the same namespace" and studied thoroughly about the related
>> > areas of the project in the Xerces code and
>> > learnt about Schema generation. And I have been implementing the
>> > design as discussed with Michael and will give an update about the
>> > implementation along with the code within next few days.
>> >
>> > --
>> >
>> > Regards,
>> >
>> > Shakya Wijerama
>> >
>> > Senior Student,
>> > Faculty of Applied Sciences,
>> > Sabaragamuwa University of Sri Lanka.
>>
>
>
>
> --
>
>
>
> Regards,
>
> *Shakya Wijerama*
>
> Senior Student,
> Faculty of Applied Sciences,
> Sabaragamuwa University of Sri Lanka.
>
>
>
--
Regards,
*Shakya Wijerama*
Senior Student,
Faculty of Applied Sciences,
Sabaragamuwa University of Sri Lanka.