[GitHub] [jena] afs commented on a change in pull request #776: JENA-1937: SHACL Compact Syntax writer and jena-shacl clean-up.

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

afs commented on a change in pull request #776:
URL: https://github.com/apache/jena/pull/776#discussion_r459368988



##########
File path: jena-shacl/src/main/java/org/apache/jena/shacl/Shapes.java
##########
@@ -189,7 +196,7 @@ public int numRootShapes() {
 
     /** Iterator over the shapes with targets and with explicit type NodeShape or PropertyShape. */
     public Iterator<Shape> iteratorAll() {
+        // rootsShapes and declShaes are disjoint so no dupicates in the iterator.

Review comment:
       Done

##########
File path: jena-shacl/src/main/java/org/apache/jena/shacl/compact/writer/WriterRIOTShaclc.java
##########
@@ -0,0 +1,63 @@
+/*
+ * 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.shacl.compact.writer;
+
+import java.io.OutputStream;
+import java.io.Writer;
+
+import org.apache.jena.atlas.io.IndentedWriter;
+import org.apache.jena.graph.Graph;
+import org.apache.jena.riot.Lang;
+import org.apache.jena.riot.system.PrefixMap;
+import org.apache.jena.riot.system.RiotLib;
+import org.apache.jena.riot.writer.WriterGraphRIOTBase;
+import org.apache.jena.shacl.Shapes;
+import org.apache.jena.shacl.compact.ShaclcWriter;
+import org.apache.jena.sparql.util.Context;
+
+public class WriterRIOTShaclc extends WriterGraphRIOTBase {
+
+    public WriterRIOTShaclc() {}
+
+    @Override
+    public Lang getLang() {
+        return Lang.SHACLC;
+    }
+
+    @Override
+    public void write(Writer out, Graph graph, PrefixMap prefixMap, String baseURI, Context context) {
+        IndentedWriter iOut = RiotLib.create(out) ;
+        iOut.setAbsoluteIndent(4);
+        write(iOut, graph, prefixMap, baseURI, context);
+    }
+
+    @Override
+    public void write(OutputStream out, Graph graph, PrefixMap prefixMap, String baseURI, Context context) {
+        IndentedWriter iOut = new IndentedWriter(out);
+        iOut.setUnitIndent(4);
+        write(iOut, graph, prefixMap, baseURI, context);
+    }
+
+    private void write(IndentedWriter out, Graph graph, PrefixMap prefixMap, String baseURI, Context context) {
+        Shapes shapes = Shapes.parse(graph);
+        ShaclcWriter.print(out, shapes);
+        //out.flush();

Review comment:
       Good catch. It should not be there but the routines that create an `IndentedWriter` should have a "flush". `IndentedWriter` has it's own buffering for chars to bytes. The builtin `IndentedWriter.stdout` or `IndentedWriter.stderr` have `setFlushOnNewline` (c.f. PrintStream autoFlush).




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