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Posted to commits@jena.apache.org by an...@apache.org on 2013/11/09 17:00:32 UTC

svn commit: r1540337 - in /jena/trunk: jena-arq/src/main/java/org/apache/jena/riot/adapters/ jena-arq/src/main/java/org/apache/jena/riot/system/ jena-arq/src/test/java/org/apache/jena/riot/system/ jena-core/src/main/java/com/hp/hpl/jena/rdf/model/impl/

Author: andy
Date: Sat Nov  9 16:00:32 2013
New Revision: 1540337

URL: http://svn.apache.org/r1540337
Log:
JENA-585 : Add a reader that is as web-friendly as possible.

Added:
    jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT_Web.java
Modified:
    jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/AdapterFileManager.java
    jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT.java
    jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/system/IO_JenaReaders.java
    jena/trunk/jena-arq/src/test/java/org/apache/jena/riot/system/TestIO_JenaReaders.java
    jena/trunk/jena-core/src/main/java/com/hp/hpl/jena/rdf/model/impl/RDFReaderFImpl.java

Modified: jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/AdapterFileManager.java
URL: http://svn.apache.org/viewvc/jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/AdapterFileManager.java?rev=1540337&r1=1540336&r2=1540337&view=diff
==============================================================================
--- jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/AdapterFileManager.java (original)
+++ jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/AdapterFileManager.java Sat Nov  9 16:00:32 2013
@@ -276,9 +276,6 @@ public class AdapterFileManager extends 
             syntax = RDFLanguages.guessContentType(mappedURI).getContentType() ;
         
         Lang lang = RDFLanguages.nameToLang(syntax) ;
-//        if ( lang == null )
-//            // This overrides content negotiation (best compatibility with old jena).
-//            lang = RDFLanguages.filenameToLang(mappedURI) ;
         RDFDataMgr.read(model, mappedURI, baseURI, lang);
         return model ;
     }

Modified: jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT.java
URL: http://svn.apache.org/viewvc/jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT.java?rev=1540337&r1=1540336&r2=1540337&view=diff
==============================================================================
--- jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT.java (original)
+++ jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT.java Sat Nov  9 16:00:32 2013
@@ -16,7 +16,7 @@
  * limitations under the License.
  */
 
-package org.apache.jena.riot.adapters;
+package org.apache.jena.riot.adapters ;
 
 import java.io.InputStream ;
 import java.io.Reader ;
@@ -34,71 +34,69 @@ import com.hp.hpl.jena.rdf.model.impl.RD
 import com.hp.hpl.jena.sparql.util.Context ;
 import com.hp.hpl.jena.sparql.util.Symbol ;
 
-/** Adapter from Jena2 original style adapter to RIOT reader. */ 
-public class RDFReaderRIOT implements RDFReader
-{
-    private final String basename ; // This will be per reader instance.
-    protected final Lang hintlang ;
-    protected Context context = new Context() ;
-    protected RDFErrorHandler errorHandler = new RDFDefaultErrorHandler();
-    
-    public RDFReaderRIOT()
-    {
-        basename = "org.apache.jena.riot.reader.generic" ;
-        hintlang = null ;
-    }
-    
-    public RDFReaderRIOT(String lang)
-    {
-        basename = "org.apache.jena.riot.reader."+lang.toLowerCase(Locale.ROOT) ;
-        hintlang = RDFLanguages.nameToLang(lang) ;
+/** Adapter from Jena2 original style adapter to RIOT reader. */
+public class RDFReaderRIOT implements RDFReader {
+    private final String      basename ;
+    protected final Lang      hintlang ;
+    protected Context         context      = new Context() ;
+    protected RDFErrorHandler errorHandler = new RDFDefaultErrorHandler() ;
+
+    public RDFReaderRIOT() {
+        this((Lang)null) ;
+    }
+
+    public RDFReaderRIOT(String lang) {
+        this(RDFLanguages.nameToLang(lang)) ;
+    }
+
+    public RDFReaderRIOT(Lang hintlang) {
+        this.hintlang = hintlang ;
+        this.basename =  (hintlang==null) 
+            ? "org.apache.jena.riot.reader.generic"
+            : "org.apache.jena.riot.reader." + hintlang.getLabel().toLowerCase(Locale.ROOT) ;
     }
 
     @SuppressWarnings("deprecation")
     @Override
-    public void read(Model model, Reader r, String base)
-    { 
-        startRead(model) ; 
+    public void read(Model model, Reader r, String base) {
+        startRead(model) ;
         RDFDataMgr.read(model, r, base, hintlang) ;
         finishRead(model) ;
     }
 
     @Override
-    public void read(Model model, InputStream r, String base)
-    { 
-        startRead(model) ; 
+    public void read(Model model, InputStream r, String base) {
+        startRead(model) ;
         RDFDataMgr.read(model, r, base, hintlang) ;
         finishRead(model) ;
     }
-    
+
     @Override
-    public void read(Model model, String url)
-    { 
+    public void read(Model model, String url) {
         startRead(model) ;
         RDFDataMgr.read(model, url, hintlang) ;
         finishRead(model) ;
     }
 
     @Override
-    public Object setProperty(String propName, Object propValue)
-    {
-        Symbol sym = Symbol.create(basename+propName) ;
+    public Object setProperty(String propName, Object propValue) {
+        Symbol sym = Symbol.create(basename + propName) ;
         Object oldObj = context.get(sym) ;
         return oldObj ;
     }
-    
-    protected void startRead(Model model)
-    { model.notifyEvent( GraphEvents.startRead ); } 
-    
-    protected void finishRead(Model model)
-    { model.notifyEvent( GraphEvents.finishRead ) ; }
-    
+
+    protected void startRead(Model model) {
+        model.notifyEvent(GraphEvents.startRead) ;
+    }
+
+    protected void finishRead(Model model) {
+        model.notifyEvent(GraphEvents.finishRead) ;
+    }
+
     @Override
-    public RDFErrorHandler setErrorHandler(RDFErrorHandler errHandler)
-    {
+    public RDFErrorHandler setErrorHandler(RDFErrorHandler errHandler) {
         RDFErrorHandler old = errorHandler ;
         errorHandler = errHandler ;
         return old ;
     }
 }
-

Added: jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT_Web.java
URL: http://svn.apache.org/viewvc/jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT_Web.java?rev=1540337&view=auto
==============================================================================
--- jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT_Web.java (added)
+++ jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/adapters/RDFReaderRIOT_Web.java Sat Nov  9 16:00:32 2013
@@ -0,0 +1,100 @@
+/**
+ * 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.riot.adapters;
+
+import java.io.InputStream ;
+import java.io.Reader ;
+
+import org.apache.jena.atlas.lib.Lib ;
+import org.apache.jena.atlas.web.TypedInputStream ;
+import org.apache.jena.riot.Lang ;
+import org.apache.jena.riot.RDFDataMgr ;
+import org.apache.jena.riot.RDFLanguages ;
+import org.apache.jena.riot.WebContent ;
+import org.apache.jena.riot.stream.StreamManager ;
+
+import com.hp.hpl.jena.rdf.model.Model ;
+import com.hp.hpl.jena.shared.NotFoundException ;
+
+/** This is a reader primarily for model.read(url)
+ */ 
+public class RDFReaderRIOT_Web extends RDFReaderRIOT
+{
+    private static final String defaultSyntax = "RDF/XML" ;
+    
+    public RDFReaderRIOT_Web()
+    {
+        super(defaultSyntax) ;
+    }
+    
+    @SuppressWarnings("deprecation")
+    @Override
+    public void read(Model model, Reader r, String base)
+    { 
+        // model.read(Reader, baseURI)
+        startRead(model) ; 
+        RDFDataMgr.read(model, r, base, hintlang) ;
+        finishRead(model) ;
+    }
+
+    
+    @Override
+    public void read(Model model, InputStream r, String base)
+    {
+        // model.read(InputStream, baseURI)
+        startRead(model) ; 
+        RDFDataMgr.read(model, r, base, hintlang) ;
+        finishRead(model) ;
+    }
+    
+    @Override
+    public void read(Model model, String url)
+    {
+        // model.read(url)
+        TypedInputStream in = StreamManager.get().open(url) ;
+        if ( in == null )
+            throw new NotFoundException(url) ;
+        String contentType = in.getContentType() ;
+        
+        // Reading a URL, no hint language provided.
+        // Use the URL structure as the hint.
+        Lang lang = null ;
+        if ( ! Lib.equal(contentType, WebContent.contentTypeTextPlain) )
+            lang = RDFLanguages.contentTypeToLang(contentType) ; 
+        
+        if ( lang == null )
+            lang = RDFLanguages.filenameToLang(url) ;
+        
+        if ( lang == null )
+            lang = super.hintlang ;
+        
+        // Here, we want syntax determination to be:
+        // ctLang > fileExtLang > RDF/XML
+        //
+        // whereas RDFDataMgr.read(.. , lang) ;
+        // treats lang to override.
+                        
+        // ** 
+        
+        startRead(model) ;
+        RDFDataMgr.read(model, in, url, lang) ;
+        finishRead(model) ;
+    }
+}
+

Modified: jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/system/IO_JenaReaders.java
URL: http://svn.apache.org/viewvc/jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/system/IO_JenaReaders.java?rev=1540337&r1=1540336&r2=1540337&view=diff
==============================================================================
--- jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/system/IO_JenaReaders.java (original)
+++ jena/trunk/jena-arq/src/main/java/org/apache/jena/riot/system/IO_JenaReaders.java Sat Nov  9 16:00:32 2013
@@ -19,6 +19,7 @@
 package org.apache.jena.riot.system;
 
 import org.apache.jena.riot.adapters.JenaReadersWriters ;
+import org.apache.jena.riot.adapters.RDFReaderRIOT_Web ;
 
 import com.hp.hpl.jena.rdf.model.impl.RDFReaderFImpl ;
 import com.hp.hpl.jena.sparql.util.Symbol ;
@@ -31,7 +32,8 @@ public class IO_JenaReaders
 
     public static void wireIntoJena()
     {
-      registerForModelRead("RDF/XML",    JenaReadersWriters.RDFReaderRIOT_RDFXML.class) ;           // And default
+      registerForModelRead("RDF",        RDFReaderRIOT_Web.class) ;                             // Default
+      registerForModelRead("RDF/XML",    JenaReadersWriters.RDFReaderRIOT_RDFXML.class) ;
       registerForModelRead("RDF/XML-ABBREV", JenaReadersWriters.RDFReaderRIOT_RDFXML.class) ;
 
       registerForModelRead("N-TRIPLES",  JenaReadersWriters.RDFReaderRIOT_NT.class) ;
@@ -51,20 +53,21 @@ public class IO_JenaReaders
     
     public static void resetJena()
     {
-        RDFReaderFImpl.setBaseReaderClassName("RDF/XML", jenaRDFReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("RDF",            jenaRDFReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("RDF/XML",        jenaRDFReader) ;
         RDFReaderFImpl.setBaseReaderClassName("RDF/XML-ABBREV", jenaRDFReader) ;
         
-        RDFReaderFImpl.setBaseReaderClassName("N-TRIPLES", jenaNTriplesReader) ;
-        RDFReaderFImpl.setBaseReaderClassName("N-Triples",  jenaNTriplesReader) ;
-        RDFReaderFImpl.setBaseReaderClassName("N-TRIPLE",  jenaNTriplesReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("N-TRIPLES",      jenaNTriplesReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("N-Triples",      jenaNTriplesReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("N-TRIPLE",       jenaNTriplesReader) ;
         
-        RDFReaderFImpl.setBaseReaderClassName("N3",     jenaTurtleReader) ;
-        RDFReaderFImpl.setBaseReaderClassName("TURTLE", jenaTurtleReader) ;
-        RDFReaderFImpl.setBaseReaderClassName("Turtle", jenaTurtleReader) ;
-        RDFReaderFImpl.setBaseReaderClassName("TTL",    jenaTurtleReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("N3",             jenaTurtleReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("TURTLE",         jenaTurtleReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("Turtle",         jenaTurtleReader) ;
+        RDFReaderFImpl.setBaseReaderClassName("TTL",            jenaTurtleReader) ;
 
-        RDFReaderFImpl.setBaseReaderClassName("RDF/JSON", "") ;
-        RDFReaderFImpl.setBaseReaderClassName("RDFJSON", "") ;
+        RDFReaderFImpl.setBaseReaderClassName("RDF/JSON",       "") ;
+        RDFReaderFImpl.setBaseReaderClassName("RDFJSON",        "") ;
     }
     
     /** Register for use with Model.read (old style compatibility) */ 

Modified: jena/trunk/jena-arq/src/test/java/org/apache/jena/riot/system/TestIO_JenaReaders.java
URL: http://svn.apache.org/viewvc/jena/trunk/jena-arq/src/test/java/org/apache/jena/riot/system/TestIO_JenaReaders.java?rev=1540337&r1=1540336&r2=1540337&view=diff
==============================================================================
--- jena/trunk/jena-arq/src/test/java/org/apache/jena/riot/system/TestIO_JenaReaders.java (original)
+++ jena/trunk/jena-arq/src/test/java/org/apache/jena/riot/system/TestIO_JenaReaders.java Sat Nov  9 16:00:32 2013
@@ -17,23 +17,24 @@
  */
 package org.apache.jena.riot.system;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertEquals ;
+import static org.junit.Assert.assertFalse ;
 
-import java.util.LinkedHashMap;
-import java.util.Map;
-import java.util.Properties;
+import java.util.LinkedHashMap ;
+import java.util.Map ;
+import java.util.Properties ;
 
 import org.apache.jena.riot.IO_Jena ;
-import org.apache.jena.riot.adapters.JenaReadersWriters.RDFReaderRIOT_NT;
-import org.apache.jena.riot.adapters.JenaReadersWriters.RDFReaderRIOT_RDFJSON;
-import org.apache.jena.riot.adapters.JenaReadersWriters.RDFReaderRIOT_RDFXML;
-import org.apache.jena.riot.adapters.JenaReadersWriters.RDFReaderRIOT_TTL;
+import org.apache.jena.riot.adapters.JenaReadersWriters.RDFReaderRIOT_NT ;
+import org.apache.jena.riot.adapters.JenaReadersWriters.RDFReaderRIOT_RDFJSON ;
+import org.apache.jena.riot.adapters.JenaReadersWriters.RDFReaderRIOT_RDFXML ;
+import org.apache.jena.riot.adapters.JenaReadersWriters.RDFReaderRIOT_TTL ;
+import org.apache.jena.riot.adapters.* ;
 import org.junit.AfterClass ;
 import org.junit.BeforeClass ;
-import org.junit.Test;
+import org.junit.Test ;
 
-import com.hp.hpl.jena.rdf.model.impl.RDFReaderFImpl;
+import com.hp.hpl.jena.rdf.model.impl.RDFReaderFImpl ;
 
 public class TestIO_JenaReaders {
     @BeforeClass public static void beforeClass() { } 
@@ -56,17 +57,17 @@ public class TestIO_JenaReaders {
     public void wireIntoJena() throws Exception {
         IO_JenaReaders.wireIntoJena();
         RDFReaderFImpl readerF = new RDFReaderFImpl();
-        assertEquals(RDFReaderRIOT_RDFXML.class, readerF.getReader().getClass());
-        assertEquals(RDFReaderRIOT_RDFXML.class, readerF.getReader("RDF/XML").getClass());
-        assertEquals(RDFReaderRIOT_RDFXML.class, readerF.getReader("RDF/XML-ABBREV").getClass());
-        assertEquals(RDFReaderRIOT_NT.class, readerF.getReader("N-TRIPLES").getClass());
-        assertEquals(RDFReaderRIOT_NT.class, readerF.getReader("N-Triples").getClass());
-        assertEquals(RDFReaderRIOT_NT.class, readerF.getReader("N-TRIPLE").getClass());
-        assertEquals(RDFReaderRIOT_TTL.class, readerF.getReader("N3").getClass());
-        assertEquals(RDFReaderRIOT_TTL.class, readerF.getReader("TURTLE").getClass());
-        assertEquals(RDFReaderRIOT_TTL.class, readerF.getReader("Turtle").getClass());
-        assertEquals(RDFReaderRIOT_TTL.class, readerF.getReader("TTL").getClass());
-        assertEquals(RDFReaderRIOT_RDFJSON.class, readerF.getReader("RDF/JSON").getClass());
+        assertEquals(RDFReaderRIOT_Web.class,       readerF.getReader().getClass());
+        assertEquals(RDFReaderRIOT_RDFXML.class,    readerF.getReader("RDF/XML").getClass());
+        assertEquals(RDFReaderRIOT_RDFXML.class,    readerF.getReader("RDF/XML-ABBREV").getClass());
+        assertEquals(RDFReaderRIOT_NT.class,        readerF.getReader("N-TRIPLES").getClass());
+        assertEquals(RDFReaderRIOT_NT.class,        readerF.getReader("N-Triples").getClass());
+        assertEquals(RDFReaderRIOT_NT.class,        readerF.getReader("N-TRIPLE").getClass());
+        assertEquals(RDFReaderRIOT_TTL.class,       readerF.getReader("N3").getClass());
+        assertEquals(RDFReaderRIOT_TTL.class,       readerF.getReader("TURTLE").getClass());
+        assertEquals(RDFReaderRIOT_TTL.class,       readerF.getReader("Turtle").getClass());
+        assertEquals(RDFReaderRIOT_TTL.class,       readerF.getReader("TTL").getClass());
+        assertEquals(RDFReaderRIOT_RDFJSON.class,   readerF.getReader("RDF/JSON").getClass());
     }
     
     @Test

Modified: jena/trunk/jena-core/src/main/java/com/hp/hpl/jena/rdf/model/impl/RDFReaderFImpl.java
URL: http://svn.apache.org/viewvc/jena/trunk/jena-core/src/main/java/com/hp/hpl/jena/rdf/model/impl/RDFReaderFImpl.java?rev=1540337&r1=1540336&r2=1540337&view=diff
==============================================================================
--- jena/trunk/jena-core/src/main/java/com/hp/hpl/jena/rdf/model/impl/RDFReaderFImpl.java (original)
+++ jena/trunk/jena-core/src/main/java/com/hp/hpl/jena/rdf/model/impl/RDFReaderFImpl.java Sat Nov  9 16:00:32 2013
@@ -29,18 +29,16 @@ import com.hp.hpl.jena.JenaRuntime ;
 /**
  */
 public class RDFReaderFImpl extends Object implements RDFReaderF {
-
+    // ** The setting in this class are overrided by RIOT **
     private static final String GRDDLREADER = "com.hp.hpl.jena.grddl.GRDDLReader";
     private static final String TURTLEREADER = "com.hp.hpl.jena.n3.turtle.TurtleReader" ;
     
-    // Old reader (N3 based)
-    //private static final String TURTLEREADER = "com.hp.hpl.jena.n3.N3TurtleJenaReader" ;
-
 	protected static Properties langToClassName = null;
 
     // predefined languages - these should probably go in a properties file
 
-    protected static final String LANGS[] = { "RDF/XML",
+    protected static final String LANGS[] = { "RDF" ,
+                                              "RDF/XML",
                                               "RDF/XML-ABBREV",
                                               "N-TRIPLE",
                                               "N-TRIPLES",
@@ -55,10 +53,11 @@ public class RDFReaderFImpl extends Obje
     protected static final String DEFAULTREADERS[] = {
         "com.hp.hpl.jena.rdf.arp.JenaReader",
         "com.hp.hpl.jena.rdf.arp.JenaReader",
+        "com.hp.hpl.jena.rdf.arp.JenaReader",
         Jena.PATH + ".rdf.model.impl.NTripleReader",
         Jena.PATH + ".rdf.model.impl.NTripleReader",
         Jena.PATH + ".rdf.model.impl.NTripleReader",
-        TURTLEREADER, //com.hp.hpl.jena.n3.N3JenaReader.class.getName(),  // N3 replaced by a Turtle-based parser 
+        TURTLEREADER,  // N3 replaced by a Turtle-based parser 
         TURTLEREADER,
         TURTLEREADER,
         TURTLEREADER,