From: <lh...@us...> - 2008-11-25 14:11:39
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Revision: 235 http://tinytim.svn.sourceforge.net/tinytim/?rev=235&view=rev Author: lheuer Date: 2008-11-25 14:11:21 +0000 (Tue, 25 Nov 2008) Log Message: ----------- - Reduced visibility of constructors from abstract classes - Introduced RDFTopicMapReader (derived from TopicMapReader) - Added several RDFTopicMapReader implementations - Updated mio core - Added JTM reader (inefficient implementation, to be replaced by a specialized deserializer) - Updated TopicMapImporter for the new RDF topic map readers but *not* JTMTopicMapReader Modified Paths: -------------- tinytim-mio/trunk/lib/semagia-mio-0.9.3.jar tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractXTMTopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractXTMTopicMapWriter.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/TopicMapImporter.java Added Paths: ----------- tinytim-mio/trunk/lib/LICENSE.json_simple.txt tinytim-mio/trunk/lib/json_simple.jar tinytim-mio/trunk/lib/semagia-mio-rdf-0.9.3.jar tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractRDFTopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/JTMTopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/N3TopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/NTriplesTopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/RDFTopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/RDFXMLTopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/TrigTopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/TrixTopicMapReader.java tinytim-mio/trunk/src/main/java/org/tinytim/mio/TurtleTopicMapReader.java Added: tinytim-mio/trunk/lib/LICENSE.json_simple.txt =================================================================== --- tinytim-mio/trunk/lib/LICENSE.json_simple.txt (rev 0) +++ tinytim-mio/trunk/lib/LICENSE.json_simple.txt 2008-11-25 14:11:21 UTC (rev 235) @@ -0,0 +1,504 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. 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+ * 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.tinytim.mio; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.net.MalformedURLException; +import java.net.URL; + +import org.tmapi.core.TopicMap; + +import com.semagia.mio.IMapHandler; +import com.semagia.mio.Property; +import com.semagia.mio.Source; +import com.semagia.mio.Syntax; + +/** + * Common superclass for {@link RDFTopicMapReader}s. + * + * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a> + * @version $Rev:$ - $Date:$ + */ +abstract class AbstractRDFTopicMapReader extends AbstractTopicMapReader + implements RDFTopicMapReader { + + protected AbstractRDFTopicMapReader(IMapHandler handler, Syntax syntax, + Source source) { + super(handler, syntax, source); + } + + protected AbstractRDFTopicMapReader(TopicMap topicMap, Syntax syntax, + File source, String docIRI) throws IOException { + super(topicMap, syntax, source, docIRI); + } + + protected AbstractRDFTopicMapReader(TopicMap topicMap, Syntax syntax, + File source) throws IOException { + super(topicMap, syntax, source); + } + + protected AbstractRDFTopicMapReader(TopicMap topicMap, Syntax syntax, + InputStream source, String docIRI) { + super(topicMap, syntax, source, docIRI); + } + + protected AbstractRDFTopicMapReader(TopicMap topicMap, Syntax syntax, + Source source) { + super(topicMap, syntax, source); + } + + /* (non-Javadoc) + * @see org.tinytim.mio.RDFTopicMapReader#setMappingSource(java.io.File) + */ + public void setMappingSource(File file) { + try { + setMappingSource(file.toURI().toURL()); + } + catch (MalformedURLException ex) { + throw new RuntimeException(ex); + } + } + + /* (non-Javadoc) + * @see org.tinytim.mio.RDFTopicMapReader#setMappingSource(java.net.URL) + */ + public void setMappingSource(URL url) { + setMappingSource(url.toExternalForm()); + } + + /* (non-Javadoc) + * @see org.tinytim.mio.RDFTopicMapReader#setMappingSource(java.lang.String) + */ + public void setMappingSource(String iri) { + _deserializer.setProperty(Property.RDF2TM_MAPPING_IRI, iri); + } + + /* (non-Javadoc) + * @see org.tinytim.mio.RDFTopicMapReader#getMappingSource() + */ + public String getMappingSource() { + return (String) _deserializer.getProperty(Property.RDF2TM_MAPPING_IRI); + } + + /* (non-Javadoc) + * @see org.tinytim.mio.RDFTopicMapReader#getMappingSourceSyntax() + */ + public MappingSyntax getMappingSourceSyntax() { + Syntax syntax = (Syntax) _deserializer.getProperty(Property.RDF2TM_MAPPING_SYNTAX); + return _toMappingSyntax(syntax); + } + + /* (non-Javadoc) + * @see org.tinytim.mio.RDFTopicMapReader#setMappingSourceSyntax(org.tinytim.mio.RDFTopicMapReader.MappingSyntax) + */ + public void setMappingSourceSyntax(MappingSyntax syntax) { + _deserializer.setProperty(Property.RDF2TM_MAPPING_SYNTAX, _fromMappingSyntax(syntax)); + } + + private static MappingSyntax _toMappingSyntax(Syntax syntax) { + if (syntax == null) { + return null; + } + if (Syntax.N3.equals(syntax)) { + return MappingSyntax.N3; + } + if (Syntax.NTRIPLES.equals(syntax)) { + return MappingSyntax.NTRIPLES; + } + if (Syntax.RDFXML.equals(syntax)) { + return MappingSyntax.RDFXML; + } + if (Syntax.TRIG.equals(syntax)) { + return MappingSyntax.TRIG; + } + if (Syntax.TRIX.equals(syntax)) { + return MappingSyntax.TRIX; + } + if (Syntax.TURTLE.equals(syntax)) { + return MappingSyntax.TURTLE; + } + throw new RuntimeException("Internal error, no MappingSyntax found for " + syntax.getName()); + } + + + private static Syntax _fromMappingSyntax(MappingSyntax syntax) { + if (syntax == null) { + return null; + } + switch (syntax) { + case N3: return Syntax.N3; + case NTRIPLES: return Syntax.NTRIPLES; + case RDFXML: return Syntax.RDFXML; + case TRIG: return Syntax.TRIG; + case TRIX: return Syntax.TRIX; + case TURTLE: return Syntax.TURTLE; + } + throw new RuntimeException("Internal error, no mio.Syntax found for " + syntax); + } +} Property changes on: tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractRDFTopicMapReader.java ___________________________________________________________________ Added: svn:keywords + Rev Date Id Added: svn:eol-style + native Modified: tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractXTMTopicMapReader.java =================================================================== --- tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractXTMTopicMapReader.java 2008-11-24 15:35:42 UTC (rev 234) +++ tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractXTMTopicMapReader.java 2008-11-25 14:11:21 UTC (rev 235) @@ -33,29 +33,29 @@ * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a> * @version $Rev$ - $Date$ */ -public abstract class AbstractXTMTopicMapReader extends AbstractTopicMapReader { +abstract class AbstractXTMTopicMapReader extends AbstractTopicMapReader { - public AbstractXTMTopicMapReader(TopicMap topicMap, Syntax syntax, + protected AbstractXTMTopicMapReader(TopicMap topicMap, Syntax syntax, File source) throws IOException { super(topicMap, syntax, source); } - public AbstractXTMTopicMapReader(TopicMap topicMap, Syntax syntax, + protected AbstractXTMTopicMapReader(TopicMap topicMap, Syntax syntax, File source, String docIRI) throws IOException { super(topicMap, syntax, source, docIRI); } - public AbstractXTMTopicMapReader(TopicMap topicMap, Syntax syntax, + protected AbstractXTMTopicMapReader(TopicMap topicMap, Syntax syntax, InputStream source, String docIRI) { super(topicMap, syntax, source, docIRI); } - public AbstractXTMTopicMapReader(TopicMap topicMap, Syntax syntax, + protected AbstractXTMTopicMapReader(TopicMap topicMap, Syntax syntax, Source source) { super(topicMap, syntax, source); } - public AbstractXTMTopicMapReader(IMapHandler handler, Syntax syntax, + protected AbstractXTMTopicMapReader(IMapHandler handler, Syntax syntax, Source source) { super(handler, syntax, source); } Modified: tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractXTMTopicMapWriter.java =================================================================== --- tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractXTMTopicMapWriter.java 2008-11-24 15:35:42 UTC (rev 234) +++ tinytim-mio/trunk/src/main/java/org/tinytim/mio/AbstractXTMTopicMapWriter.java 2008-11-25 14:11:21 UTC (rev 235) @@ -72,7 +72,7 @@ /** * Enables / disables newlines and indentation of XML elements. - * (newlines and indentation is enabled by default) + * (enabled by default) * * @param prettify <tt>true</tt> to enable prettified XML, otherwise <tt>false</tt>. */ Added: tinytim-mio/trunk/src/main/java/org/tinytim/mio/JTMTopicMapReader.java =================================================================== --- tinytim-mio/trunk/src/main/java/org/tinytim/mio/JTMTopicMapReader.java (rev 0) +++ tinytim-mio/trunk/src/main/java/org/tinytim/mio/JTMTopicMapReader.java 2008-11-25 14:11:21 UTC (rev 235) @@ -0,0 +1,296 @@ +/* + * Copyright 2008 Lars Heuer (heuer[at]semagia.com) + * + * Licensed 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.tinytim.mio; + +import java.io.IOException; +import java.io.Reader; +import java.util.List; + +import org.json.simple.JSONObject; +import org.json.simple.JSONValue; +import org.tmapi.core.TMAPIRuntimeException; +import org.tmapi.core.TopicMap; + +import com.semagia.mio.MIOException; +import com.semagia.mio.helpers.Ref; +import com.semagia.mio.helpers.SimpleMapHandler; + +/** + * {@link TopicMapReader} implementation that deserializes + * <a href="http://www.cerny-online.com/topincs/technical-whitepaper">JSON Topic Maps (JTM)</a>. + * <p> + * The reader does not accept fragments, i.e. only a topic in a JSON document; + * each JTM instance must start with a topic map container, i.e. + * <tt>{"topics":[...]"}</tt>. The TMDM constructs must provide all + * properties, i.e. it is not allowed to omit the type of an association. The + * only exception are topic names: If the "type" property is not provided, the + * default topic name type is automatically assigned. + * </p> + * + * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a> + * @version $Rev:$ - $Date:$ + */ +@SuppressWarnings("unchecked") +public class JTMTopicMapReader implements TopicMapReader { + + private TopicMap _tm; + private Reader _reader; + + /** + * Constructs a new instance. + * + * @param topicMap The topic map to which the content is added to. + * @param reader The reader to read the JSON encoded topic map from. + * @throws IOException If an error occurs. + */ + public JTMTopicMapReader(TopicMap topicMap, Reader reader) throws IOException { + _tm = topicMap; + _reader = reader; + } + + /* (non-Javadoc) + * @see org.tinytim.mio.TopicMapReader#read() + */ + public void read() throws IOException { + Object obj = JSONValue.parse(_reader); + if (!(obj instanceof JSONObject)) { + // Nothing to do. + return; + } + JSONObject map = (JSONObject) obj; + SimpleMapHandler mapHandler = SimpleMapHandler.create(new TinyTimMapInputHandler(_tm)); + try { + mapHandler.startTopicMap(); + _handleReifier(mapHandler, map); + _handleItemIdentifiers(mapHandler, map); + _handleTopics(mapHandler, (List<JSONObject>) map.get("topics")); + _handleAssociations(mapHandler, (List<JSONObject>) map.get("associations")); + mapHandler.endTopicMap(); + } + catch (MIOException ex) { + throw new TMAPIRuntimeException(ex); + } + } + + private void _handleTopics(SimpleMapHandler mapHandler, + List<JSONObject> jsonArray) throws MIOException { + if (jsonArray == null) { + return; + } + int length = jsonArray.size(); + for (int i=0; i<length; i++) { + _handleTopic(mapHandler, jsonArray.get(i)); + } + } + + private void _handleTopic(SimpleMapHandler mapHandler, + JSONObject jsonObject) throws MIOException { + boolean seenIdentity = false; + List<String> array = (List<String>) jsonObject.get("item_identifiers"); + if (array != null) { + seenIdentity = true; + mapHandler.startTopic(Ref.createItemIdentifier(array.get(0))); + int length = array.size(); + for (int i=1; i<length; i++) { + mapHandler.itemIdentifier(array.get(i)); + } + } + array = (List<String>) jsonObject.get("subject_identifiers"); + if (array != null) { + int start = 0; + if (!seenIdentity) { + seenIdentity = true; + start = 1; + mapHandler.startTopic(Ref.createSubjectIdentifier(array.get(0))); + } + int length = array.size(); + for (int i=start; i<length; i++) { + mapHandler.subjectIdentifier(array.get(i)); + } + } + array = (List<String>) jsonObject.get("subject_locators"); + if (array != null) { + int start = 0; + if (!seenIdentity) { + seenIdentity = true; + start = 1; + mapHandler.startTopic(Ref.createSubjectLocator(array.get(0))); + } + int length = array.size(); + for (int i=start; i<length; i++) { + mapHandler.subjectLocator(array.get(i)); + } + } + if (!seenIdentity) { + throw new MIOException("Topic without any identity: " + jsonObject); + } + List<JSONObject> objects = (List<JSONObject>) jsonObject.get("occurrences"); + if (objects != null) { + int length = objects.size(); + for (int i=0; i<length; i++) { + _handleOccurrence(mapHandler, objects.get(i)); + } + } + objects = (List<JSONObject>) jsonObject.get("names"); + if (objects != null) { + int length = objects.size(); + for (int i=0; i<length; i++) { + _handleName(mapHandler, objects.get(i)); + } + } + mapHandler.endTopic(); + } + + private void _handleOccurrence(SimpleMapHandler mapHandler, + JSONObject jsonObject) throws MIOException { + mapHandler.startOccurrence(); + _handleType(mapHandler, jsonObject, true); + _handleScope(mapHandler, jsonObject); + _handleReifier(mapHandler, jsonObject); + _handleItemIdentifiers(mapHandler, jsonObject); + _handleValueDatatype(mapHandler, jsonObject); + mapHandler.endOccurrence(); + } + + private void _handleValueDatatype(SimpleMapHandler mapHandler, + JSONObject jsonObject) throws MIOException { + String value = (String) jsonObject.get("value"); + if (value == null) { + throw new MIOException("The value must not be null: " + jsonObject); + } + String datatype = (String) jsonObject.get("datatype"); + if (datatype == null) { + throw new MIOException("The datatype must not be null: " + jsonObject); + } + mapHandler.value(value, datatype); + } + + private void _handleName(SimpleMapHandler mapHandler, + JSONObject jsonObject) throws MIOException { + mapHandler.startName(); + _handleType(mapHandler, jsonObject, false); + _handleScope(mapHandler, jsonObject); + _handleReifier(mapHandler, jsonObject); + _handleItemIdentifiers(mapHandler, jsonObject); + String value = (String) jsonObject.get("value"); + if (value == null) { + throw new MIOException("The value of a name must not be null: " + jsonObject); + } + mapHandler.value(value); + List<JSONObject> variants = (List<JSONObject>) jsonObject.get("variants"); + if (variants != null) { + int length = variants.size(); + for (int i=0; i<length; i++) { + _handleVariant(mapHandler, variants.get(i)); + } + } + mapHandler.endName(); + } + + private void _handleVariant(SimpleMapHandler mapHandler, + JSONObject jsonObject) throws MIOException { + mapHandler.startVariant(); + _handleScope(mapHandler, jsonObject); + _handleReifier(mapHandler, jsonObject); + _handleItemIdentifiers(mapHandler, jsonObject); + _handleValueDatatype(mapHandler, jsonObject); + mapHandler.endVariant(); + } + + private void _handleAssociations(SimpleMapHandler mapHandler, + List<JSONObject> jsonArray) throws MIOException { + if (jsonArray == null) { + return; + } + int length = jsonArray.size(); + for (int i=0; i<length; i++) { + _handleAssociation(mapHandler, jsonArray.get(i)); + } + } + + private void _handleAssociation(SimpleMapHandler mapHandler, + JSONObject jsonObject) throws MIOException { + List<JSONObject> roles = (List<JSONObject>) jsonObject.get("roles"); + if (roles == null) { + throw new MIOException("No roles specified: " + jsonObject); + } + mapHandler.startAssociation(); + _handleType(mapHandler, jsonObject, true); + _handleScope(mapHandler, jsonObject); + _handleReifier(mapHandler, jsonObject); + _handleItemIdentifiers(mapHandler, jsonObject); + int length = roles.size(); + for (int i=0; i<length; i++) { + _handleRole(mapHandler, roles.get(i)); + } + mapHandler.endAssociation(); + } + + private void _handleRole(SimpleMapHandler mapHandler, + JSONObject jsonObject) throws MIOException { + mapHandler.startRole(); + _handleType(mapHandler, jsonObject, true); + _handleReifier(mapHandler, jsonObject); + _handleItemIdentifiers(mapHandler, jsonObject); + String playerIRI = (String) jsonObject.get("player"); + if (playerIRI == null) { + throw new MIOException("No player defined: " + jsonObject); + } + mapHandler.player(Ref.createItemIdentifier(playerIRI)); + mapHandler.endRole(); + } + + private void _handleScope(SimpleMapHandler mapHandler, JSONObject jsonObject) throws MIOException { + List<String> array = (List<String>) jsonObject.get("scope"); + if (array == null) { + return; + } + int length = array.size(); + mapHandler.startScope(); + for (int i=0; i<length; i++) { + mapHandler.theme(Ref.createItemIdentifier(array.get(i))); + } + mapHandler.endScope(); + } + + private void _handleType(SimpleMapHandler mapHandler, JSONObject jsonObj, boolean notNull) throws MIOException { + String typeIRI = (String) jsonObj.get("type"); + if (typeIRI != null) { + mapHandler.type(Ref.createItemIdentifier(typeIRI)); + } + else if (notNull) { + throw new MIOException("The type must not be null: " + jsonObj); + } + } + + private void _handleReifier(SimpleMapHandler mapHandler, JSONObject jsonObj) throws MIOException { + String reifierIRI = (String) jsonObj.get("reifier"); + if (reifierIRI != null) { + mapHandler.reifier(Ref.createItemIdentifier(reifierIRI)); + } + } + + private void _handleItemIdentifiers(SimpleMapHandler mapHandler, JSONObject jsonObj) throws MIOException { + List<String> iids = (List<String>)jsonObj.get("item_identifiers"); + if (iids != null) { + int length = iids.size(); + for (int i=0; i<length; i++) { + mapHandler.itemIdentifier(iids.get(i)); + } + } + } + +} Property changes on: tinytim-mio/trunk/src/main/java/org/tinytim/mio/JTMTopicMapReader.java ___________________________________________________________________ Added: svn:keywords + Rev Date Id Added: svn:eol-style + native Added: tinytim-mio/trunk/src/main/java/org/tinytim/mio/N3TopicMapReader.java =================================================================== --- tinytim-mio/trunk/src/main/java/org/tinytim/mio/N3TopicMapReader.java (rev 0) +++ tinytim-mio/trunk/src/main/java/org/tinytim/mio/N3TopicMapReader.java 2008-11-25 14:11:21 UTC (rev 235) @@ -0,0 +1,83 @@ +/* + * Copyright 2008 Lars Heuer (heuer[at]semagia.com) + * + * Licensed 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.tinytim.mio; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; + +import org.tmapi.core.TopicMap; + +import com.semagia.mio.Source; +import com.semagia.mio.Syntax; + +/** + * {@link RDFTopicMapReader} implementation that is able to deserialize RDF N3. + * + * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a> + * @version $Rev$ - $Date$ + */ +public final class N3TopicMapReader extends AbstractRDFTopicMapReader { + + /** + * Constructs a new instance. + * + * @param topicMap The topic map to which the content is added to. + * @param source The source to read the topic map from. + * @param docIRI The document IRI which is used to resolve IRIs against. + * @throws IOException If an error occurs. + */ + public N3TopicMapReader(final TopicMap topicMap, final File source, final String docIRI) throws IOException { + super(topicMap, Syntax.N3, source, docIRI); + } + + /** + * Constructs a new instance. + * <p> + * The <tt>source</tt> is converted into an absolute IRI which will be + * utilised as document IRI + * </p> + * + * @param topicMap The topic map to which the content is added to. + * @param source The source to read the topic map from. + * @throws IOException If an error occurs. + */ + public N3TopicMapReader(final TopicMap topicMap, final File source) throws IOException { + super(topicMap, Syntax.N3, source); + } + + /** + * Constructs a new instance. + * + * @param topicMap The topic map to which the content is added to. + * @param source The source to read the topic map from. + * @param docIRI The document IRI which is used to resolve IRIs against. + */ + public N3TopicMapReader(final TopicMap topicMap, final InputStream source, final String docIRI) { + super(topicMap, Syntax.N3, source, docIRI); + } + + /** + * Constructs a new instance. + * + * @param topicMap The topic map to which the content is added to. + * @param source The source to read the serialized topic map from. + */ + public N3TopicMapReader(final TopicMap topicMap, final Source source) { + super(topicMap, Syntax.N3, source); + } + +} Property changes on: tinytim-mio/trunk/src/main/java/org/tinytim/mio/N3TopicMapReader.java ___________________________________________________________________ Added: svn:keywords + Rev Date Id Added: svn:eol-style + native Added: tinytim-mio/trunk/src/main/java/org/tinytim/mio/NTriplesTopicMapReader.java =================================================================== --- tinytim-mio/trunk/src/main/java/org/tinytim/mio/NTriplesTopicMapReader.java (rev 0) +++ tinytim-mio/trunk/src/main/java/org/tinytim/mio/NTriplesTopicMapReader.java 2008-11-25 14:11:21 UTC (rev 235) @@ -0,0 +1,84 @@ +/* + * Copyright 2008 Lars Heuer (heuer[at]semagia.com) + * + * Licensed 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.tinytim.mio; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; + +import org.tmapi.core.TopicMap; + +import com.semagia.mio.Source; +import com.semagia.mio.Syntax; + +/** + * {@link RDFTopicMapReader} implementation that is able to deserialize RDF + * N-Triples. + * + * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a> + * @version $Rev$ - $Date$ + */ +public final class NTriplesTopicMapReader extends AbstractRDFTopicMapReader { + + /** + * Constructs a new instance. + * + * @param topicMap The topic map to which the content is added to. + * @param source The source to read the topic map from. + * @param docIRI The document IRI which is used to resolve IRIs against. + * @throws IOException If an error occurs. + */ + public NTriplesTopicMapReader(final TopicMap topicMap, final File source, final String docIRI) throws IOException { + super(topicMap, Syntax.NTRIPLES, source, docIRI); + } + + /** + * Constructs a new instance. + * <p> + * The <tt>source</tt> is converted into an absolute IRI which will be + * utilised as document IRI + * </p> + * + * @param topicMap The topic map to which the content is added to. + * @param source The source to read the topic map from. + * @throws IOException If an error occurs. + */ + public NTriplesTopicMapReader(final TopicMap topicMap, final File source) throws IOException { + super(topicMap, Syntax.NTRIPLES, source); + } + + /** + * Constructs a new instance. + * + * @param topicMap The topic map to which the content is added to. + * @param source The source to read the topic map from. + * @param docIRI The document IRI which is used to resolve IRIs against. + */ + public NTriplesTopicMapReader(final TopicMap topicMap, final InputStream source, final String docIRI) { + super(topicMap, Syntax.NTRIPLES, source, docIRI); + } + + /** + * Constructs a new instance. + * + * @param topicMap The topic map to which the content is added to. + * @param source The source to read the serialized topic map from. + */ + public NTriplesTopicMapReader(final TopicMap topicMap, final Source source) { + super(topicMap, Syntax.NTRIPLES, source); + } + +} Property changes on: tinytim-mio/trunk/src/main/java/org/tinytim/mio/NTriplesTopicMapReader.java ___________________________________________________________________ Added: svn:keywords + Rev Date Id Added: svn:eol-style + native Added: tinytim-mio/trunk/src/main/java/org/tinytim/mio/RDFTopicMapReader.java =================================================================== --- tinytim-mio/trunk/src/main/java/org/tinytim/mio/RDFTopicMapReader.java (rev 0) +++ tinytim-mio/trunk/src/main/java/org/tinytim/mio/RDFTopicMapReader.java 2008-11-25 14:11:21 UTC (rev 235) @@ -0,0 +1,118 @@ +/* + * Copyright 2008 Lars Heuer (heuer[at]semagia.com) + * + * Licensed 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.tinytim.mio; + +import java.io.File; +import java.net.URL; + +/** + * Specialization of the {@link TopicMapReader} which provides methods to + * define an external RDF to Topic Maps (RTM) mapping source. + * + * @author Lars Heuer (heuer[at]semagia.com) <a href="http://www.semagia.com/">Semagia</a> + * @version $Rev:$ - $Date:$ + */ +public interface RDFTopicMapReader extends TopicMapReader { + + /** + * Represents the syntax of a RTM mapping. + */ + public enum MappingSyntax { + /** + * N3 syntax. + */ + N3, + /** + * N-Triples syntax. + */ + NTRIPLES, + /** + * RDF/XML syntax. + */ + RDFXML, + /** + * TriG syntax. + */ + TRIG, + /** + * TriX syntax. + */ + TRIX, + /** + * Turtle syntax. + */ + TURTLE + }; + + /** + * Sets the file to read the RDF2TM mapping from. + * + * @see #setMappingSource(URL) + * @see #setMappingSource(String) + * + * @param file The file to read the RDF2TM mapping from. + */ + public void setMappingSource(File file); + + /** + * Sets the URL to read the RDF2TM mapping from. + * + * @see #setMappingSource(File) + * @see #setMappingSource(String) + * + * @param url The URL to read the RDF2TM mapping from. + */ + public void setMappingSource(URL url); + + /** + * Sets the URL to read the RDF2TM mapping from. + * + * @see #setMappingSource(File) + * @see #setMappingSource(URL) + * + * @param iri A string that represents an IRI / URL. + */ + public void setMappingSource(String iri); + + /** + * Returns the mapping source or <tt>null</tt> if no source is defined. + * + * @return A string representing an IRI or <tt>null</tt> if no source is defined. + */ + public String getMappingSource(); + + /** + * Sets the syntax of the mapping source. + * <p> + * By default, the reader tries to detect the syntax by the file + * extension. + * </p> + * + * @param syntax The syntax of the mapping source or <tt>null</tt> to + * let the reader autodetec... 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