Hi Thiwanka, Congratulations to you as well and welcome aboard.
Thanks. Michael Glavassevich XML Parser Development IBM Toronto Lab E-mail: mrgla...@ca.ibm.com E-mail: mrgla...@apache.org Thiwanka Somasiri <asthiwa...@gmail.com> wrote on 04/25/2011 09:12:06 PM: > Hi Michaeal and devs, > > I am pretty happy to say that I have selected for this > Googls Summer under "Asynchronous LSParser and parseWithContext()" > project. I want to make this an opportunity to thank Michael and all > other devs in the community for helping me to go through this stage > of the project successfully . All the credit goes to you for > creating such a good background for freshers like us to come and > play, and I will do my maximum to complete this project and to give > a valued contribution to Apache Xerces2-J. > > Thanks. > > On Wed, Apr 6, 2011 at 8:44 PM, Michael Glavassevich <mrgla...@ca.ibm.com > > wrote: > Hi Thiwanka, > > I've reviewed your revised proposal. Your updates are good. > > > Thanks. > > Michael Glavassevich > XML Parser Development > IBM Toronto Lab > E-mail: mrgla...@ca.ibm.com > E-mail: mrgla...@apache.org > Thiwanka Somasiri <asthiwa...@gmail.com> wrote on 04/05/2011 05:58:42 PM: > > > Hi Michael, > > > > > Thank you for reviewing my proposal and giving me valuable > > feedbacks. There were some points that I have misunderstood and I > > corrected them in the proposal. I have attached the modified > > proposal in this mail and highlighted the newly added/altered areas > > in the PDF for your convenience. I will enter the proposal in the > > GSoC tool and I am grateful to you if you can skim through it and > > check whether there are misunderstood points. > > > > Thanks you very much for your guidance & support. > > > On Tue, Apr 5, 2011 at 11:40 PM, Michael Glavassevich <mrgla...@ca.ibm.com > > > wrote: > > Hi Thiwanka, > > > > I've just reviewed your proposal. Looks good overall, but I have a > > few suggestions for improvement: > > > > For the asynchronous LSParser it would be good if you mentioned > > something about how the main thread and the 2nd thread that the > > parser runs on interact, specifically your thoughts on updating the > > LSParser's 'busy' state and how a call to abort() would terminate > > the parsing thread if it hadn't completed yet. > > > > The return value of dispatchEvent() is determined to be true/false > > based on whether preventDefault() was called on the Event by an > > EventListener, not on whether an EventListener could "handle" the > > event. It would be good if you would correct that. > > > > There's a typo in the parseWithContext() section. I'm sure you meant > > "<ns2:c/><ns1:d/>" (two empty-tags) instead of "</ns2:c></ns1:d>" > > (two unpaired end-tags). > > > > In the last section on parseWithContext() you seem to be implying > > that a Document node (as the context node) with an action of > > ACTION_REPLACE_CHILDREN is an error condition. When I said it was an > > exception, I meant it was an exceptional case that needed to be > > handled differently than the other inputs. It's not an error, but is > > the one case where a whole XML document is expected instead of a > > fragment. More detail in my previous reply below. > > > > Once you're ready feel free to enter your proposal into the GSoC tool. > > > > Great work! > > > > > > Thanks. > > > > Michael Glavassevich > > XML Parser Development > > IBM Toronto Lab > > E-mail: mrgla...@ca.ibm.com > > E-mail: mrgla...@apache.org > > > Thiwanka Somasiri <asthiwa...@gmail.com> wrote on 04/05/2011 12:43:32 AM: > > > > > Hi Michael and devs, > > > > > > > > As per discussion with Michael Glavassevich about the > > > "Asynchronous LSParser and parseWithContext()" GSoC project > > under XERCESJ-1429 > > > , I have prepared my proposal and attached it to this mail. I would > > > like to know whether I should improve the proposal and if so which > > > areas should be improved in it. Hope you feedbacks soon since the > > > deadline is on 8th of April. > > > > > > P.S. - Michael, I have included you as the mentor for the project. > > > > > > Thanks. > > > > > > On Fri, Apr 1, 2011 at 9:58 AM, Michael Glavassevich <mrgla...@ca.ibm.com > > > > wrote: > > > Hi Thiwanka, > > > > > > Thiwanka Somasiri <asthiwa...@gmail.com> wrote on 03/31/2011 08:21:55 AM: > > > > > > > Hi Michael, > > > > > > > > > > > By using a synthesized wrapper XML document, does > > > > it mean to convert the fragment to a temporary complete XML document > > > > (using a dummy root - so it can be parsed like a normal XML > > > > document), parse it and merge the nodes created with this to the > > > > existing document? If so, whenever the fragment contains an > > > > erroneous point, an exception will be thrown. Otherwise we can > > > > extract the relevant nodes to the XML fragment (removing dummy root > > > > nodes) and add them to the existing document. > > > > > Right, that's what I meant, though you're not really 'converting' > > > the fragment, but including it by reference in a dummy wrapper XML > > > document so that it can be parsed like any other XML document. The > > > one exception is when the context node is a Document node and the > > > action is ACTION_REPLACE_CHILDREN. You would process the input as a > > > whole XML document, very similar to if the input was parsed using > > > the regular LSParser.parse() method. > > > > > > > > > > I have attached an image(http://img145.imageshack.us/i/ > > > > xmlfragmentinsertion.png/) describing what I understood from you > > > > previous reply. If I have misunderstood that, please correct me. > > > > > Your diagram illustrates the idea quite well. > > > > > > > > > > I am looking for your advices to start with my proposal. I want to > > > > know what are the key point that should be included and is it enough > > > > to have high level implementation details in the proposal? > > > > > Your proposal should include a high level design for the > > > asynchronous mode for the LSParser and parseWithContext(), as well > > > as details on your thoughts for implementation. It should include a > > > plan/timeline for the work you would be doing, some details about > > > yourself and your development experience, details about the > > > interaction that you've had with the community and also say > > > something about the time you would be able to commit to the project > > > over the summer. Proposals from 2010 are up on the Xerces Wiki ( > > > http://wiki.apache.org/xerces/FrontPage). You may want to take a > > > look at them to get a better idea of the structure and level of > > > detail in a successful GSoC proposal. > > > > > > > > > > Thanks. > > > > > > > > On Thu, Mar 31, 2011 at 10:40 AM, Michael Glavassevich < > > mrgla...@ca.ibm.com > > > > > wrote: > > > > Hi Thiwanka, > > > > > > > > Aside from the previous discussion on the mailing list [1] and the > > > > specification I'm not aware of any good reading material on > > > > parseWithContext(). > > > > > > > > I have given the design more thought since last year and think it > > > > should be possible to implement this method (in the case where the > > > > context node is not a Document node) by synthesizing a wrapper XML > > > > document which contains a reference to the fragment and the > > > > necessary context (e.g. namespace declarations) required to parse > > > > the fragment. You can then transfer the nodes created for the > > > > fragment into the existing DOM. > > > > > > > > For example, if your existing document looked like this: > > > > > > > > <ns1:a xmlns:ns1="http://ns1";> > > > > <ns2:b xmlns:ns2="http://ns2"/> > > > > </ns1:a> > > > > > > > > and you wanted to insert an XML fragment like: > > > > > > > > <ns2:c/><ns1:d/> > > > > > > > > as a child of 'ns2:b', you could generate a wrapper document: > > > > > > > > <!DOCTYPE DUMMY_ROOT [ > > > > <!ENTITY fragment PUBLIC "***" "***"> > > > > ]> > > > > <DUMMY_ROOT xmlns:ns1="http://ns1"; xmlns:ns2="http://ns2 > > > > ">&fragment;</DUMMY_ROOT> > > > > > > > > where the 'fragment' entity points to the XML fragment the user > > > > provided, parse the document you synthesized and then move the nodes > > > > created underneath the entity reference into the existing document, > > > > resulting in: > > > > > > > > <ns1:a xmlns:ns1="http://ns1";> > > > > <ns2:b xmlns:ns2="http://ns2";><ns2:c/><ns1:d/></ns2:b> > > > > </ns1:a> > > > > > > > > Hope that made sense. > > > > > > > > Thanks. > > > > > > > > [1] http://markmail.org/thread/ool7dyyzffor6o7b > > > > > > > > > > > > Michael Glavassevich > > > > XML Parser Development > > > > IBM Toronto Lab > > > > E-mail: mrgla...@ca.ibm.com > > > > E-mail: mrgla...@apache.org > > > > > > > Thiwanka Somasiri <asthiwa...@gmail.com> wrote on 03/28/2011 > 02:05:24 PM: > > > > > > > > > Hi Michael, > > > > > > > > > > > > > > As I understood, the second part of the project is also a critical > > > > > implementation, which is known as parseWithContext(). According to > > > > > the W3C specification[1], this method is used to insert a fragment > > > > > of and XML document to an existing document. The parameters in the > > > > > method specify the position where the new fragment should be > > > > > attached and which action should be triggered between the existing > > > > > document and the new fragment. > > > > > > > > > > The implementation also include an error handling part (in a case > > > > > where the inserting fragment is erroneous,etc) to notify the caller > > > > > through an ErrorHandler object when an unexpected scenario occur. > > > > > > > > > > I need to understand the background for parseWithContext() some more > > > > > and can you tell me what are the useful resources in this regard. > > > > > (Understanding the overall idea of this will help me to allocate > > > > > approximate time in the proposal) > > > > > > > > > > I would like to start writing a proposal for the project and I need > > > > > a big help from you. I am happy if you can give me an starting point > > > > > and guide lines to write the proposal. > > > > > > > > > > [1] http://www.w3.org/TR/2004/REC-DOM-Level-3-LS-20040407/load- > > > > > save.html#LS-LSParser-parseWithContext > > > > > > > > > > Thanks. > > > > > > > > > > On Sat, Mar 19, 2011 at 11:41 PM, Michael Glavassevich < > > > mrgla...@ca.ibm.com > > > > > > wrote: > > > > > Hi Thiwanka, > > > > > > > > > > Thiwanka Somasiri <asthiwa...@gmail.com> wrote on 03/19/2011 > > 02:25:03 AM: > > > > > > > > > > > Hi Michael, > > > > > > > > > > > > > > > > > Thanks for your reply. I will study more on the project within > > > > > > next week and come up with both my issues and ideas. Since I was > > > > > > having my exams, I could not focus much on the project and will be > > > > > > free after few more days. I hope the support of you all to > > step forward. > > > > > > > > > That's fine. It's still early on in the process so still quite a bit > > > > > of time to put together and discuss a proposal. > > > > > > > > > > > > > > > > Thanks. > > > > > > > > > > Thanks. > > > > > > > > > > Michael Glavassevich > > > > > XML Parser Development > > > > > IBM Toronto Lab > > > > > E-mail: mrgla...@ca.ibm.com > > > > > E-mail: mrgla...@apache.org > > > > > > > > > > > > > > > > > > > > -- > > > > > > > > > > Regards > > > > > > > > > > A.S.Thiwanka Somasiri > > > > > > > > > > Skype : executionerwild > > > > > MSN : thi...@ymail.com > > > > > > > > > > > > -- > > > > > > > > Regards > > > > > > > > A.S.Thiwanka Somasiri > > > > > > > > Skype : executionerwild > > > > MSN : thi...@ymail.com > > > > > > > > --------------------------------------------------------------------- > > > > To unsubscribe, e-mail: j-dev-unsubscr...@xerces.apache.org > > > > For additional commands, e-mail: j-dev-h...@xerces.apache.org > > > > > > > > > Thanks. > > > > > > Michael Glavassevich > > > XML Parser Development > > > IBM Toronto Lab > > > E-mail: mrgla...@ca.ibm.com > > > E-mail: mrgla...@apache.org > > > > > > > > > > > > -- > > > > > > Regards > > > > > > A.S.Thiwanka Somasiri > > > > > > Skype : executionerwild > > > MSN : thi...@ymail.com > > > > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: j-dev-unsubscr...@xerces.apache.org > > > For additional commands, e-mail: j-dev-h...@xerces.apache.org > > > > > > > > -- > > > > Regards > > > > A.S.Thiwanka Somasiri > > > > Skype : executionerwild > > MSN : thi...@ymail.com > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: j-dev-unsubscr...@xerces.apache.org > > For additional commands, e-mail: j-dev-h...@xerces.apache.org > > > > -- > > Regards > > A.S.Thiwanka Somasiri > > Skype : executionerwild > MSN : thi...@ymail.com
