[GitHub] [jena] kinow commented on a diff in pull request #1685: Misc

[GitBox <gi...@apache.org>]

kinow commented on code in PR #1685:
URL: https://github.com/apache/jena/pull/1685#discussion_r1050903012


##########
jena-arq/src/main/java/org/apache/jena/sparql/exec/QueryExecDataset.java:
##########
@@ -340,23 +337,9 @@ public JsonArray execJson() {
         checkNotClosed();
         if ( !query.isJsonType() )
             throw new QueryExecException("Attempt to get a JSON result from a " + labelForQuery(query) + " query");
-
         startQueryIterator();
-
-        JsonArray jsonArray = new JsonArray();
+        JsonArray jsonArray = JsonResults.results(queryIterator, query.getJsonMapping());

Review Comment:
   :ok_man: 



##########
jena-arq/src/main/java/org/apache/jena/sparql/exec/JsonResults.java:
##########
@@ -0,0 +1,112 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.jena.sparql.exec;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.NoSuchElementException;
+
+import org.apache.jena.atlas.json.JsonArray;
+import org.apache.jena.atlas.json.JsonObject;
+import org.apache.jena.atlas.json.JsonValue;
+import org.apache.jena.graph.Node;
+import org.apache.jena.sparql.core.Var;
+import org.apache.jena.sparql.engine.QueryIterator;
+import org.apache.jena.sparql.engine.binding.Binding;
+import org.apache.jena.sparql.lib.RDFTerm2Json;
+
+/**
+ * ARQ supports an extension query type:
+ * <pre>
+ *    JSON {
+ *       "x": ?var1 ,
+ *       "y": ?var2
+ *    } WHERE {
+ *       ...
+ *    }
+ * </pre>
+ */
+public class JsonResults {

Review Comment:
   Thank you!! I more or less had an idea of what was missing, but didn't know where to start looking for the right place to fix it.



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