changeset 375:8ccb0dda0afd

+ SPARQL CONSTRUCTs allowed in the webapp
author Alexandre Bertails <bertails@w3.org>
date Thu, 05 May 2011 19:43:02 -0400
parents 6903cc3274b5
children 573239651458
files directmapping-webapp/src/main/resources/queries/emp_addr2FOAF.construct directmapping-webapp/src/main/scala/code/snippet/HelloWorld.scala directmapping-webapp/src/main/webapp/index.html rdf2rdf/src/main/scala/RDF2RDF.scala
diffstat 4 files changed, 27 insertions(+), 17 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/directmapping-webapp/src/main/resources/queries/emp_addr2FOAF.construct	Thu May 05 19:43:02 2011 -0400
@@ -0,0 +1,8 @@
+PREFIX foaf: <http://xmlns.com/foaf/0.1/>
+PREFIX vcard:  <http://www.w3.org/2006/vcard/ns#>
+
+CONSTRUCT { ?who foaf:given ?fname } WHERE { ?who <People#fname> ?fname }
+
+CONSTRUCT { ?addr vcard:streetNumber ?no ; vcard:streetName ?name } WHERE { ?addr <Addresses#streetNo> ?no ; <Addresses#streetName> ?name }
+
+CONSTRUCT { ?who vcard:homeAddr ?addr } WHERE { ?who <People#addr> ?addr }
\ No newline at end of file
--- a/directmapping-webapp/src/main/scala/code/snippet/HelloWorld.scala	Thu May 05 19:08:53 2011 -0400
+++ b/directmapping-webapp/src/main/scala/code/snippet/HelloWorld.scala	Thu May 05 19:43:02 2011 -0400
@@ -54,7 +54,7 @@
     }
     case "parse-construct" :: Nil Post _ => {
       try {
-        val construct = Construct(S.param("construct").openOr(""))
+        val constructs = Construct.extractAll(S.param("construct").openOr(""))
         PlainTextResponse("SPARQL CONSTRUCT successfully parsed")
       } catch {
         case e => PlainTextResponse(e.getMessage, 500)
@@ -63,22 +63,22 @@
     case "dm-then-construct" :: Nil Post _ => {
       try {
         val ddl = S.param("ddl").openOr("")
-        val construct = S.param("construct").openOr("")
-        PlainTextResponse(dmThenConstruct(ddl, construct))
+        val constructs = S.param("construct").openOr("")
+        PlainTextResponse(dmThenConstruct(ddl, constructs))
       } catch {
         case e => PlainTextResponse(e.getMessage, 500)
       }
     }
   }
 
-  def dmThenConstruct(ddl:String, construct:String):String = {
+  def dmThenConstruct(ddl:String, constructs:String):String = {
     import DirectMapping._
     val SQLParser = sql.SqlParser()
     val db = SQLParser.toDB(ddl)
     DirectMapping.MinEncode = false
     val computedGraph:Graph = databaseSemantics(db)
-    val construc = Construct(construct)
-    val resultGraph = RDF2RDF(computedGraph) | construc
+    val allConstructs:List[Construct] = Construct.extractAll(constructs)
+    val resultGraph = RDF2RDF(computedGraph) | allConstructs
     this.toString(resultGraph)
   }
 
@@ -91,8 +91,8 @@
 
   val SQLParser = sql.SqlParser()
 
-  val defaultDDL = "ref_no_pk"
-  val defaultCONSTRUCT = "identity"
+  val defaultDDL = "emp_addr"
+  val defaultCONSTRUCTs = "emp_addr2FOAF"
 
   def render = {
     val (ddlName, ddl, ddlMessage) = S.param("ddl") match {
@@ -107,15 +107,15 @@
       }
     }
 
-    val (constructName, construct, constructMessage) = S.param("construct") match {
+    val (constructName, constructs, constructMessage) = S.param("construct") match {
       case Full(name) if QueryManager.embeddedCONSTRUCTs contains name => {
         (name, QueryManager.embeddedCONSTRUCTs(name), "SPARQL CONSTRUCT successfully loaded")
       }
       case Full(name) => {
-        (defaultCONSTRUCT, QueryManager.embeddedCONSTRUCTs(defaultCONSTRUCT), name + "not found: default SPARQL CONSTRUCT used instead")
+        (defaultCONSTRUCTs, QueryManager.embeddedCONSTRUCTs(defaultCONSTRUCTs), name + "not found: default SPARQL CONSTRUCT used instead")
       }
       case _ =>  {
-        (defaultCONSTRUCT, QueryManager.embeddedCONSTRUCTs(defaultCONSTRUCT), "Default SPARQL CONSTRUCT used")
+        (defaultCONSTRUCTs, QueryManager.embeddedCONSTRUCTs(defaultCONSTRUCTs), "Default SPARQL CONSTRUCT used")
       }
     }
 
@@ -123,9 +123,9 @@
     "#ddl *" #> ddl &
     "#ddl-message *" #> ddlMessage &
     "#construct-name [value]" #> "" &
-    "#construct *" #> construct &
+    "#construct *" #> constructs &
     "#construct-message *" #> constructMessage &
-    "#result *" #> Services.dmThenConstruct(ddl, construct)
+    "#result *" #> Services.dmThenConstruct(ddl, constructs)
 
   }
 
--- a/directmapping-webapp/src/main/webapp/index.html	Thu May 05 19:08:53 2011 -0400
+++ b/directmapping-webapp/src/main/webapp/index.html	Thu May 05 19:43:02 2011 -0400
@@ -110,7 +110,7 @@
       </div>
     </div>
 
-    <h2>SPARQL</h2>
+    <h2>SPARQL CONSTRUCTs</h2>
 
     If empty or non-valid SPARQL CONSTRUCT, this will be ignored.
 
@@ -140,7 +140,7 @@
 
     <hr ></hr>
     <address>
-      <a href="http://www.w3.org/People/Eric/">Eric Prud'hommeaux</a>, <a href="http://www.w3.org/People/Bertails/">Alexandre Bertails</a>, Apr 2011<br />
+      <a href="http://www.w3.org/People/Eric/">Eric Prud'hommeaux</a>, <a href="http://www.w3.org/People/Bertails/">Alexandre Bertails</a>, May 2011<br />
       Contributors: <a href="mailto:bvillazon@fi.upm.es">Boris Villazon-Terrazas</a>, <a href="mailto:tgambet@w3.org">Thomas Gambet</a>
     </address>
 </div>
--- a/rdf2rdf/src/main/scala/RDF2RDF.scala	Thu May 05 19:08:53 2011 -0400
+++ b/rdf2rdf/src/main/scala/RDF2RDF.scala	Thu May 05 19:43:02 2011 -0400
@@ -20,8 +20,10 @@
 
   val pattern = """(?s)(?i)CONSTRUCT +?\{.*?\} +?WHERE +?\{.*?\}""".r
 
-  def extractAll(query:String, base:String = RDF2RDFModule.base):List[Construct] =
-    pattern.findAllIn(query) map { Construct(_, base) } toList
+  def extractAll(query:String, base:String = RDF2RDFModule.base):List[Construct] = {
+    val prefixes = query.split("\n").filter{ _.matches("""(?i)^\s*prefix.*$""")}.mkString("\n")
+    pattern.findAllIn(query) map { construct => Construct(prefixes+construct, base) } toList
+  }
 
 }
 
Set up and maintained by W3C Systems Team, please report bugs to sysreq@w3.org.

W3C would like to thank Microsoft who donated the server that allows us to run this service.