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https://issues.apache.org/jira/browse/COMMONSRDF-35?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15553824#comment-15553824
]
ASF GitHub Bot commented on COMMONSRDF-35:
------------------------------------------
Github user ansell commented on a diff in the pull request:
https://github.com/apache/incubator-commonsrdf/pull/24#discussion_r82311315
--- Diff:
rdf4j/src/main/java/org/apache/commons/rdf/rdf4j/experimental/RDF4JParser.java
---
@@ -0,0 +1,232 @@
+/**
+ * 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.commons.rdf.rdf4j.experimental;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Optional;
+import java.util.function.Consumer;
+import java.util.stream.Stream;
+
+import org.apache.commons.rdf.api.IRI;
+import org.apache.commons.rdf.api.Quad;
+import org.apache.commons.rdf.api.RDFSyntax;
+import org.apache.commons.rdf.experimental.RDFParser;
+import org.apache.commons.rdf.rdf4j.RDF4JBlankNodeOrIRI;
+import org.apache.commons.rdf.rdf4j.RDF4JDataset;
+import org.apache.commons.rdf.rdf4j.RDF4JGraph;
+import org.apache.commons.rdf.rdf4j.RDF4JTermFactory;
+import org.apache.commons.rdf.simple.experimental.AbstractRDFParser;
+import org.eclipse.rdf4j.model.Model;
+import org.eclipse.rdf4j.model.Resource;
+import org.eclipse.rdf4j.repository.util.RDFInserter;
+import org.eclipse.rdf4j.repository.util.RDFLoader;
+import org.eclipse.rdf4j.rio.ParserConfig;
+import org.eclipse.rdf4j.rio.RDFFormat;
+import org.eclipse.rdf4j.rio.RDFHandler;
+import org.eclipse.rdf4j.rio.RDFHandlerException;
+import org.eclipse.rdf4j.rio.Rio;
+import org.eclipse.rdf4j.rio.helpers.AbstractRDFHandler;
+
+/**
+ * RDF4J-based parser.
+ * <p>
+ * This can handle the RDF syntaxes {@link RDFSyntax#JSONLD},
+ * {@link RDFSyntax#NQUADS}, {@link RDFSyntax#NTRIPLES},
+ * {@link RDFSyntax#RDFXML}, {@link RDFSyntax#TRIG} and {@link
RDFSyntax#TURTLE}
+ * - additional syntaxes can be supported by including the corresponding
+ * <em>rdf4j-rio-*</em> module on the classpath.
+ *
+ */
+public class RDF4JParser extends AbstractRDFParser<RDF4JParser> implements
RDFParser {
--- End diff --
Why are you sending RDF4JParser upstream to its parent as a generics type?
Particular interesting as Java does not have access to the generic type as a
variable at runtime, so it cannot directly be used to enhance anything in the
abstract class.
Everything that an abstract implementation of RDFParser could require must
be in the RDFParser contract. If it requires anything else you need to modify
the RDFParser contract.
> rdf4j integration
> -----------------
>
> Key: COMMONSRDF-35
> URL: https://issues.apache.org/jira/browse/COMMONSRDF-35
> Project: Apache Commons RDF
> Issue Type: New Feature
> Reporter: Stian Soiland-Reyes
> Assignee: Stian Soiland-Reyes
> Labels: integration, rdf4j, sesame
> Fix For: 0.3.0
>
>
> Add a new rdf4j module with implementation for Eclipse rdf4j
> See https://github.com/apache/incubator-commonsrdf/tree/rdf4j/rdf4j
> A legacy sesame branch could then be added by mainly copy/paste and change
> the import
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