Hi Claude, Thank you v much for taking time to source and explain this through to me. It is pretty late and I am going to pick it up tomorrow. I'll most likely post back then. Thanks Lewis
On Thursday, August 1, 2013, Claude Warren <[email protected]> wrote: > Lewis, > > It has been awhile since I was in this part of the code base but.... > > in the tpl you will find: > > [snip] > #set( $ds = $mgt.dataset($request, "") ) > #set( $srvQuery = $mgt.serviceQuery($ds) ) > [snip] > > <form action="${ds}/${srvQuery}" method="GET" accept-charset="UTF-8"> > [snip] > > so when the form is submitted it will call whatever the dataset > serviceQuery url is. > > The SPARQLServer.java contains the code that configures the server. > Without knowing what changes you have made to your configuration the rest > of this gets a bit difficult, but I will attempt to follow the standard > flow. > > in org.apache.jena.fuseki.server.SPARQLServer.builderServer() at approx > line 238 (I'm looking at v 2.10.2-SNAPSHOT) > > [snip] > if ( installManager || installServices ) { > // TODO Respect port. > if ( serverConfig.pagesPort != serverConfig.port ) > serverLog.warn("Not supported yet - pages on a different > port to services") ; > > String base = serverConfig.pages ; > Map<String, Object> data = new HashMap<String, Object>() ; > data.put("mgt", new MgtFunctions()) ; > SimpleVelocityServlet templateEngine = new > SimpleVelocityServlet(base, data) ; > addServlet(context, templateEngine, "*.tpl", false) ; > } > [snip] > > This codes provides the mgt variable ($mgt above) in the tpl file. > All *.tpl flow through the templateEngine servlet. > > At line approx line 320 you will find > > [snip] > HttpServlet sparqlQuery = new SPARQL_QueryDataset() ; > HttpServlet sparqlUpdate = new SPARQL_Update() ; > HttpServlet sparqlUpload = new SPARQL_Upload() ; > HttpServlet sparqlHttpR = new SPARQL_REST_R() ; > HttpServlet sparqlHttpRW = new SPARQL_REST_RW() ; > HttpServlet sparqlDataset = new SPARQL_UberServlet.AccessByConfig() > ; > > if ( !überServlet ) { > // If uberserver, these are unnecessary but can be used. > // If just means the überservlet isn't handling these > operations. > addServlet(context, datasetPath, sparqlQuery, dsDesc.query, > enableCompression) ; > addServlet(context, datasetPath, sparqlUpdate, dsDesc.update, > false) ; > addServlet(context, datasetPath, sparqlUpload, dsDesc.upload, > false) ; // No point - no results of any size. > addServlet(context, datasetPath, sparqlHttpR, > dsDesc.readGraphStore, enableCompression) ; > addServlet(context, datasetPath, sparqlHttpRW, > dsDesc.readWriteGraphStore, enableCompression) ; > // This adds direct operations on the dataset itself. > // addServlet(context, datasetPath, sparqlDataset, > // ListOfEmptyString, enableCompression) ; > } else { > [snip] > > This is where the sparqlQuery servlet is registered to handle the general > /{dataset}/sparql endpoint. > > in org.apache.jena.fuseki.servlets.SPARQL_QueryDataset at approx line 44 is > the method decideDataset(). That method should be called when fuseki > attempts to match the query with the dataset you want to query. A > breakpoint in that method should get you into the code that is executing. > > Hope this helps, > Claude > > > On Fri, Aug 2, 2013 at 12:58 AM, Lewis John Mcgibbney < > [email protected]> wrote: > >> Hi Andy, >> On Wed, Jul 24, 2013 at 12:32 AM, Andy Seaborne <[email protected]> wrote: >> >> > >> > Also I've never worked with .tpl files before... they look similar but I >> am >> >> not familiar... >> >> >> > >> > .tpl files are Velocity files. I decided to hide the technology used by >> > calling them "tpl" not "vm" in case it changes. >> > >> > >> >> I have the feeling that I need to edit the velocity file (.tpl) as well as >> the .html if I want to add modify the query form. >> Can you confirm if this is the case. >> I am trying to follow my query through from form submission to execution of >> the Java code within the Fuseki servlets... right now this is not happening >> for me. >> Any guidance on how I can get dug in here would be great. >> It would also make my life that little bit easier... oh and my upcoming >> weekend (what weekend!!!) that little bit easier :0) >> Thank you v much. >> Lewis >> > > > > -- > I like: Like Like - The likeliest place on the web< http://like-like.xenei.com> > Identity: https://www.identify.nu/[email protected] > LinkedIn: http://www.linkedin.com/in/claudewarren > -- *Lewis*
