Initial migration from jsonld-java

.gitignore

@@ -1,12 +1,9 @@
-*.class
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.ear
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
+.classpath
+.project
+.settings
+target/
+.svn/
+*.iml
+.idea
+*~
+pom.xml.versionsBackup

.travis.yml

@@ -0,0 +1,11 @@
+language: java
+jdk:
+  - openjdk7
+  - oraclejdk7
+  - oraclejdk8
+notifications:
+  email:
+    - ansell.peter@gmail.com
+    - tristan.king@gmail.com
+after_success:
+  - mvn clean test jacoco:report coveralls:report

LICENCE

@@ -0,0 +1,24 @@
+Copyright (c) 2012, Deutsche Forschungszentrum für Künstliche Intelligenz GmbH
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * Neither the name of the <organization> nor the
+      names of its contributors may be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

@@ -1,2 +1,26 @@
-# jsonld-java-clerezza
-Integration of JSONLD-Java with Clerezza
+JSONLD-Java Clerezza Integration module
+=======================================
+
+[![Build Status](https://travis-ci.org/jsonld-java/jsonld-java-clerezza.svg?branch=master)](https://travis-ci.org/jsonld-java/jsonld-java-clerezza) 
+[![Coverage Status](https://coveralls.io/repos/jsonld-java/jsonld-java-clerezza/badge.svg?branch=master)](https://coveralls.io/r/jsonld-java/jsonld-java-clerezza?branch=master)
+
+USAGE
+=====
+
+From Maven
+----------
+
+    <dependency>
+        <groupId>com.github.jsonld-java</groupId>
+        <artifactId>jsonld-java-clerezza</artifactId>
+        <version>0.7.0-SNAPSHOT</version>
+    </dependency>
+
+(Adjust for most recent <version>, as found in ``pom.xml``).
+
+ClerezzaTripleCallback
+------------------
+
+The ClerezzaTripleCallback returns an instance of `org.apache.clerezza.rdf.core.MGraph`
+
+See [ClerezzaTripleCallbackTest.java](./src/test/java/com/github/jsonldjava/clerezza/ClerezzaTripleCallbackTest.java) for example Usage.

pom.xml

@@ -0,0 +1,80 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+	<parent>
+		<artifactId>jsonld-java-parent</artifactId>
+		<groupId>com.github.jsonld-java</groupId>
+		<version>0.7.0-SNAPSHOT</version>
+	</parent>
+	<modelVersion>4.0.0</modelVersion>
+	<artifactId>jsonld-java-clerezza</artifactId>
+	<name>JSONLD Java :: Clerezza Integration</name>
+	<description>JSON-LD Java integration module for Clerezza</description>
+	<packaging>bundle</packaging>
+
+	<developers>
+		<developer>
+			<name>Reto Bachmann-Gmür</name>
+		</developer>
+		<developer>
+			<name>Tristan King</name>
+		</developer>
+		<developer>
+			<name>Peter Ansell</name>
+		</developer>
+	</developers>
+
+	<properties>
+		<clerezza.version>0.14</clerezza.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>jsonld-java</artifactId>
+			<version>${project.version}</version>
+			<type>jar</type>
+			<scope>compile</scope>
+		</dependency>
+		<dependency>
+			<groupId>${project.groupId}</groupId>
+			<artifactId>jsonld-java</artifactId>
+			<version>${project.version}</version>
+			<type>test-jar</type>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.clerezza</groupId>
+			<artifactId>rdf.core</artifactId>
+			<version>${clerezza.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-log4j12</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>animal-sniffer-maven-plugin</artifactId>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.felix</groupId>
+				<artifactId>maven-bundle-plugin</artifactId>
+				<extensions>true</extensions>
+			</plugin>
+			<plugin>
+				<groupId>org.jacoco</groupId>
+				<artifactId>jacoco-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+</project>
+

src/main/java/com/github/jsonldjava/clerezza/ClerezzaTripleCallback.java

@@ -0,0 +1,105 @@
+package com.github.jsonldjava.clerezza;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.clerezza.rdf.core.BNode;
+import org.apache.clerezza.rdf.core.Language;
+import org.apache.clerezza.rdf.core.MGraph;
+import org.apache.clerezza.rdf.core.NonLiteral;
+import org.apache.clerezza.rdf.core.Resource;
+import org.apache.clerezza.rdf.core.UriRef;
+import org.apache.clerezza.rdf.core.impl.PlainLiteralImpl;
+import org.apache.clerezza.rdf.core.impl.SimpleMGraph;
+import org.apache.clerezza.rdf.core.impl.TripleImpl;
+import org.apache.clerezza.rdf.core.impl.TypedLiteralImpl;
+
+import com.github.jsonldjava.core.JsonLdTripleCallback;
+import com.github.jsonldjava.core.RDFDataset;
+
+public class ClerezzaTripleCallback implements JsonLdTripleCallback {
+
+    private MGraph mGraph = new SimpleMGraph();
+    private Map<String, BNode> bNodeMap = new HashMap<String, BNode>();
+
+    public void setMGraph(MGraph mGraph) {
+        this.mGraph = mGraph;
+        bNodeMap = new HashMap<String, BNode>();
+    }
+
+    public MGraph getMGraph() {
+        return mGraph;
+    }
+
+    private void triple(String s, String p, String o, String graph) {
+        if (s == null || p == null || o == null) {
+            // TODO: i don't know what to do here!!!!
+            return;
+        }
+
+        final NonLiteral subject = getNonLiteral(s);
+        final UriRef predicate = new UriRef(p);
+        final NonLiteral object = getNonLiteral(o);
+        mGraph.add(new TripleImpl(subject, predicate, object));
+    }
+
+    private void triple(String s, String p, String value, String datatype, String language,
+            String graph) {
+        final NonLiteral subject = getNonLiteral(s);
+        final UriRef predicate = new UriRef(p);
+        Resource object;
+        if (language != null) {
+            object = new PlainLiteralImpl(value, new Language(language));
+        } else {
+            if (datatype != null) {
+                object = new TypedLiteralImpl(value, new UriRef(datatype));
+            } else {
+                object = new PlainLiteralImpl(value);
+            }
+        }
+
+        mGraph.add(new TripleImpl(subject, predicate, object));
+    }
+
+    private NonLiteral getNonLiteral(String s) {
+        if (s.startsWith("_:")) {
+            return getBNode(s);
+        } else {
+            return new UriRef(s);
+        }
+    }
+
+    private BNode getBNode(String s) {
+        if (bNodeMap.containsKey(s)) {
+            return bNodeMap.get(s);
+        } else {
+            final BNode result = new BNode();
+            bNodeMap.put(s, result);
+            return result;
+        }
+    }
+
+    @Override
+    public Object call(RDFDataset dataset) {
+        for (String graphName : dataset.graphNames()) {
+            final List<RDFDataset.Quad> quads = dataset.getQuads(graphName);
+            if ("@default".equals(graphName)) {
+                graphName = null;
+            }
+            for (final RDFDataset.Quad quad : quads) {
+                if (quad.getObject().isLiteral()) {
+                    triple(quad.getSubject().getValue(), quad.getPredicate().getValue(), quad
+                            .getObject().getValue(), quad.getObject().getDatatype(), quad
+                            .getObject().getLanguage(), graphName);
+                } else {
+                    triple(quad.getSubject().getValue(), quad.getPredicate().getValue(), quad
+                            .getObject().getValue(), graphName);
+                }
+            }
+        }
+
+        return getMGraph();
+    }
+
+}

src/test/java/com/github/jsonldjava/clerezza/ClerezzaTripleCallbackTest.java

@@ -0,0 +1,54 @@
+package com.github.jsonldjava.clerezza;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.apache.clerezza.rdf.core.MGraph;
+import org.apache.clerezza.rdf.core.Triple;
+import org.junit.Test;
+
+import com.github.jsonldjava.core.JsonLdError;
+import com.github.jsonldjava.core.JsonLdProcessor;
+import com.github.jsonldjava.utils.JsonUtils;
+
+public class ClerezzaTripleCallbackTest {
+
+    @Test
+    public void triplesTest() throws IOException, JsonLdError {
+        final InputStream in = getClass().getClassLoader().getResourceAsStream(
+                "testfiles/product.jsonld");
+        final Object input = JsonUtils.fromInputStream(in);
+
+        final ClerezzaTripleCallback callback = new ClerezzaTripleCallback();
+
+        final MGraph graph = (MGraph) JsonLdProcessor.toRDF(input, callback);
+
+        for (final Triple t : graph) {
+            System.out.println(t);
+        }
+        assertEquals("Graph size", 13, graph.size());
+
+    }
+
+    @Test
+    public void curiesInContextTest() throws IOException, JsonLdError {
+        final InputStream in = getClass().getClassLoader().getResourceAsStream(
+                "testfiles/curies-in-context.jsonld");
+        final Object input = JsonUtils.fromInputStream(in);
+
+        final ClerezzaTripleCallback callback = new ClerezzaTripleCallback();
+
+        final MGraph graph = (MGraph) JsonLdProcessor.toRDF(input, callback);
+
+        for (final Triple t : graph) {
+            System.out.println(t);
+            assertTrue("Predicate got fully expanded", t.getPredicate().getUnicodeString()
+                    .startsWith("http"));
+        }
+        assertEquals("Graph size", 3, graph.size());
+
+    }
+}

src/test/resources/log4j.properties

@@ -0,0 +1,5 @@
+log4j.rootLogger=INFO, R
+
+log4j.appender.R=org.apache.log4j.ConsoleAppender
+log4j.appender.R.layout=org.apache.log4j.PatternLayout
+log4j.appender.R.layout.ConversionPattern=[%d] %-5p (%c:%L) %m%n

src/test/resources/testfiles/curies-in-context.jsonld

@@ -0,0 +1,10 @@
+{
+  "@context": {
+    "Person": "foaf:Person",
+    "foaf": "http://xmlns.com/foaf/0.1/",
+    "name": "foaf:name"
+  },
+  "@type": "Person",
+  "name": "Santa Claus",
+  "foaf:nick": "S�mi"
+}

src/test/resources/testfiles/product.jsonld

@@ -0,0 +1,35 @@
+{
+  "@context": {
+    "gr": "http://purl.org/goodrelations/v1#",
+    "pto": "http://www.productontology.org/id/",
+    "foaf": "http://xmlns.com/foaf/0.1/",
+    "xsd": "http://www.w3.org/2001/XMLSchema#",
+    "foaf:page": {
+      "@type": "@id"
+    },
+    "gr:acceptedPaymentMethods": {
+      "@type": "@id"
+    },
+    "gr:hasBusinessFunction": {
+      "@type": "@id"
+    },
+    "gr:hasCurrencyValue": {
+      "@type": "xsd:float"
+    }
+  },
+  "@id": "http://example.org/cars/for-sale#tesla",
+  "@type": "gr:Offering",
+  "gr:name": "Used Tesla Roadster",
+  "gr:description": "Need to sell fast and furiously",
+  "gr:hasBusinessFunction": "gr:Sell",
+  "gr:acceptedPaymentMethods": "gr:Cash",
+  "gr:hasPriceSpecification": {
+    "gr:hasCurrencyValue": "85000",
+    "gr:hasCurrency": "USD"
+  },
+  "gr:includes": {
+    "@type": ["gr:Individual", "pto:Vehicle"],
+    "gr:name": "Tesla Roadster",
+    "foaf:page": "http://www.teslamotors.com/roadster"
+  }
+}