-package org.simantics.xml.sax.base;\r
-\r
-import java.lang.reflect.Constructor;\r
-import java.lang.reflect.InvocationTargetException;\r
-import java.util.HashMap;\r
-import java.util.HashSet;\r
-import java.util.LinkedHashSet;\r
-import java.util.List;\r
-import java.util.Map;\r
-import java.util.Set;\r
-\r
-import javax.xml.stream.XMLStreamException;\r
-import javax.xml.stream.XMLStreamWriter;\r
-\r
-import org.eclipse.core.runtime.IStatus;\r
-import org.eclipse.core.runtime.Status;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Statement;\r
-import org.simantics.db.common.utils.ListUtils;\r
-import org.simantics.db.common.utils.NameUtils;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.layer0.Layer0;\r
-import org.simantics.message.ILogger;\r
-import org.simantics.xml.sax.ontology.XMLResource;\r
-\r
-public class XMLWriter {\r
- \r
- public static String XML_SCHEMA_URI = "http://www.w3.org/2001/XMLSchema";\r
- public static String XML_SCHEMA_INSTANCE_URI = "http://www.w3.org/2001/XMLSchema-instance";\r
- \r
- private ReadGraph graph;\r
- private Map<Resource, XMLWriter> subWriters = new HashMap<Resource, XMLWriter>();\r
- private Map<Class<? extends XMLElementWriter>, XMLElementWriter> namedWriters = new HashMap<Class<? extends XMLElementWriter>, XMLElementWriter>();\r
- private Map<Resource,XMLElementWriter> writers = new HashMap<>();\r
- private String schemaURI;\r
- private String ontologyURI;\r
- private Resource ontology;\r
- \r
- private ILogger logger;\r
- \r
- public ReadGraph getGraph() {\r
- return graph;\r
- }\r
- \r
- public void setGraph(ReadGraph graph) throws DatabaseException {\r
- this.graph = graph;\r
- for (XMLWriter p : subWriters.values())\r
- p.setGraph(graph);\r
- if (ontologyURI != null)\r
- this.ontology = graph.getResource(ontologyURI);\r
- }\r
- \r
- public String getSchemaURI() {\r
- return schemaURI;\r
- }\r
- \r
- public void setSchemaURI(String schemaURI) {\r
- this.schemaURI = schemaURI;\r
- }\r
- \r
- public String getOntologyURI() {\r
- return ontologyURI;\r
- }\r
- \r
- public void setOntologyURI(String ontologyURI) {\r
- this.ontologyURI = ontologyURI;\r
- }\r
- \r
- public Resource getOntology() {\r
- return ontology;\r
- }\r
- \r
- public void add(XMLElementWriter writer) throws DatabaseException {\r
- Resource type = writer.getType(graph);\r
- if (type != null)\r
- writers.put(type, writer);\r
- namedWriters.put(writer.getClass(), writer);\r
- }\r
- \r
- public void add(XMLWriter writer) {\r
- subWriters.put(writer.getOntology(), writer);\r
- }\r
- \r
- public void write(Resource root, XMLStreamWriter writer) throws DatabaseException, XMLStreamException {\r
- WriterElement element = new WriterElement(root);\r
- loadElement(element);\r
- write(element, writer);\r
- }\r
- \r
- \r
- protected void write(WriterElement instance, XMLStreamWriter writer) throws DatabaseException, XMLStreamException {\r
- XMLResource XML = XMLResource.getInstance(graph);\r
-\r
- XMLElementWriter elementWriter = instance.writer;\r
- elementWriter.start(graph, instance, writer);\r
- if (instance.parent == null) {\r
- if(getSchemaURI() != null) {\r
- writer.writeDefaultNamespace(getSchemaURI());\r
- }\r
- writer.writeNamespace("xsd", XML_SCHEMA_URI);\r
- writer.writeNamespace("xsi", XML_SCHEMA_INSTANCE_URI);\r
- }\r
- elementWriter.attributes(graph, instance, graph.getStatements(instance.instance, XML.hasAttribute), writer);\r
- if (graph.hasValue(instance.instance))\r
- elementWriter.characters(graph, instance, writer);\r
- // get all child elements\r
- Set<Statement> childElements = new HashSet<>();\r
- childElements.addAll(graph.getStatements(instance.instance, XML.hasElement));\r
- childElements.addAll(graph.getStatements(instance.instance, XML.hasComplexType));\r
- // load elements, assign writers\r
- Map<Resource,WriterElement> elementMap = new HashMap<>();\r
- for (Statement s : childElements) {\r
- WriterElement c = new WriterElement(instance,s);\r
- loadElement(c);\r
- elementMap.put(s.getObject(), c);\r
- }\r
- LinkedHashSet<Resource> sorted = new LinkedHashSet<>();\r
- if (graph.hasStatement(instance.instance, XML.hasOriginalElementList)) {\r
- Resource originalList = graph.getSingleObject(instance.instance, XML.hasOriginalElementList);\r
- List<Resource> l = ListUtils.toList(graph, originalList);\r
- sorted.addAll(l);\r
- }\r
- elementWriter.children(graph, instance, sorted);\r
- Set<Resource> processed = new HashSet<>();\r
- for (Resource r : sorted) {\r
- if (processed.contains(r)) // badly generated writer could report elements several times. \r
- continue;\r
- WriterElement child = elementMap.get(r);\r
- if (child == null)\r
- throw new DatabaseException("Trying to export unregonized resource " +NameUtils.getSafeName(graph, r) + " " + r);\r
- write(child, writer);\r
- processed.add(r);\r
- }\r
- //write the rest of the elements (in random order) \r
- for (Statement stm : childElements) {\r
- if (processed.contains(stm.getObject()))\r
- continue;\r
- WriterElement child = elementMap.get(stm.getObject());\r
- if (child == null)\r
- throw new DatabaseException("Trying to export unregonized resource " +NameUtils.getSafeName(graph, stm.getObject()) + " " + stm.getObject());\r
- write(child, writer);\r
- }\r
- \r
- elementWriter.end(graph, instance, writer);\r
- \r
- }\r
- \r
- private void loadElement(WriterElement child) throws DatabaseException {\r
- XMLElementWriter childWriter = null;\r
- if (child.parent != null && child.parent.writer instanceof XMLElementNamedChildWriter) {\r
- XMLElementNamedChildWriter namedParentWriter = (XMLElementNamedChildWriter)child.parent.writer;\r
- Class<? extends XMLElementWriter> childWriterClass = namedParentWriter.getWriter(graph, writers, child);\r
- if (childWriterClass != null) {\r
- childWriter = this.writers.get(childWriterClass);\r
- if (childWriter == null) {\r
- try {\r
- Constructor<? extends XMLElementWriter> c = null;\r
- try {\r
- c = childWriterClass.getConstructor(ReadGraph.class);\r
- childWriter = c.newInstance(graph);\r
- } catch (NoSuchMethodException e) {\r
- c = childWriterClass.getConstructor();\r
- childWriter = c.newInstance();\r
- }\r
- namedWriters.put(childWriterClass, childWriter);\r
- } catch (IllegalAccessException|InstantiationException|NoSuchMethodException|SecurityException|InvocationTargetException e) {\r
- String err = "Error processing " + childWriterClass.getName() + " : element writers must have accessible constructor with ReadGraph parameter";\r
- logger.log(new Status(IStatus.ERROR, XMLParser.PLUGIN_ID, err, e));\r
- } \r
- }\r
- }\r
- } else {\r
- Resource type = graph.getSingleType(child.instance);\r
- childWriter = writers.get(type);\r
- }\r
- if (childWriter == null) {\r
- // try child ontology/schema\r
- Resource type = graph.getSingleType(child.instance);\r
- Resource ontology = getOntology(type);\r
- if (ontology != null) {\r
- XMLWriter xmlWriter = subWriters.get(ontology);\r
- if (xmlWriter != null) {\r
- childWriter = xmlWriter.writers.get(type);\r
- // wrap the child writer with namespace writer\r
- if (childWriter != null) {\r
- if (childWriter instanceof XMLElementNamedChildWriter) {\r
- childWriter = new XMLNSNamedChildWriter((XMLElementNamedChildWriter)childWriter, xmlWriter.schemaURI);\r
- } else {\r
- childWriter = new XMLNSElementWriter(childWriter, xmlWriter.schemaURI);\r
- }\r
- }\r
- }\r
- }\r
- if (childWriter == null)\r
- throw new DatabaseException("Cannot locate writer for " + NameUtils.getSafeName(graph, child.instance) + ", " + child.instance);\r
- }\r
- child.writer = childWriter;\r
- \r
- }\r
- \r
- private Resource getOntology(Resource type) throws DatabaseException {\r
- Layer0 L0 = Layer0.getInstance(graph);\r
- Resource r = type;\r
- while (true) {\r
- r = graph.getPossibleObject(r, L0.PartOf);\r
- if (r != null && graph.isInstanceOf(r, L0.Ontology))\r
- break;\r
- }\r
- return r;\r
- }\r
-\r
-}\r
+package org.simantics.xml.sax.base;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.Statement;
+import org.simantics.db.common.utils.ListUtils;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+import org.simantics.message.ILogger;
+import org.simantics.xml.sax.ontology.XMLResource;
+
+public class XMLWriter {
+
+ public static String XML_SCHEMA_URI = "http://www.w3.org/2001/XMLSchema";
+ public static String XML_SCHEMA_INSTANCE_URI = "http://www.w3.org/2001/XMLSchema-instance";
+
+ private ReadGraph graph;
+ private Map<Resource, XMLWriter> subWriters = new HashMap<Resource, XMLWriter>();
+ private Map<Class<? extends XMLElementWriter>, XMLElementWriter> namedWriters = new HashMap<Class<? extends XMLElementWriter>, XMLElementWriter>();
+ private Map<Resource,XMLElementWriter> writers = new HashMap<>();
+ private String schemaURI;
+ private String ontologyURI;
+ private Resource ontology;
+
+ private ILogger logger;
+
+ protected Map<String,String> nsPrefixes;
+
+ public ReadGraph getGraph() {
+ return graph;
+ }
+
+ public void setGraph(ReadGraph graph) throws DatabaseException {
+ this.graph = graph;
+ for (XMLWriter p : subWriters.values())
+ p.setGraph(graph);
+ if (ontologyURI != null)
+ this.ontology = graph.getResource(ontologyURI);
+ }
+
+ public String getSchemaURI() {
+ return schemaURI;
+ }
+
+ public void setSchemaURI(String schemaURI) {
+ this.schemaURI = schemaURI;
+ }
+
+ public String getOntologyURI() {
+ return ontologyURI;
+ }
+
+ public void setOntologyURI(String ontologyURI) {
+ this.ontologyURI = ontologyURI;
+ }
+
+ public Resource getOntology() {
+ return ontology;
+ }
+
+ public void add(XMLElementWriter writer) throws DatabaseException {
+ Resource type = writer.getType(graph);
+ if (type != null)
+ writers.put(type, writer);
+ namedWriters.put(writer.getClass(), writer);
+ }
+
+ public void add(XMLWriter writer) {
+ subWriters.put(writer.getOntology(), writer);
+ }
+
+ public void configureWriter(XMLStreamWriter writer) throws XMLStreamException {
+ if (nsPrefixes == null)
+ return;
+ for (Entry<String, String> nsEntry : nsPrefixes.entrySet()) {
+ writer.setPrefix(nsEntry.getValue(), nsEntry.getKey());
+ }
+
+ }
+
+ public void writeNS(XMLStreamWriter writer) throws XMLStreamException {
+ if (nsPrefixes == null)
+ return;
+ for (Entry<String, String> nsEntry : nsPrefixes.entrySet()) {
+ writer.writeNamespace(nsEntry.getValue(), nsEntry.getKey());
+ }
+
+ }
+
+ public XMLWriter resolveDependencies(Session session) throws DatabaseException {
+ java.util.Map<String, XMLWriter> map = new java.util.HashMap<>();
+ map.put(this.schemaURI, this);
+ addDependencies(session,map);
+ nsPrefixes = new HashMap<>();
+ int i = 0;
+ for (String ns : map.keySet()) {
+ if (this.schemaURI.equals(ns))
+ continue;
+ if (!nsPrefixes.containsKey(ns)) {
+ nsPrefixes.put(ns, "ns"+i);
+ i++;
+ }
+ }
+ return this;
+ }
+
+ public void addDependencies(Session session,java.util.Map<String,XMLWriter> map) throws DatabaseException {
+
+ }
+
+ public void write(Resource root, XMLStreamWriter writer) throws DatabaseException, XMLStreamException {
+ WriterElement element = new WriterElement(root);
+ loadElement(element);
+ write(element, writer);
+ }
+
+
+ protected void write(WriterElement instance, XMLStreamWriter writer) throws DatabaseException, XMLStreamException {
+ XMLResource XML = XMLResource.getInstance(graph);
+
+ XMLElementWriter elementWriter = instance.writer;
+ elementWriter.start(graph, instance, writer);
+ if (instance.parent == null) {
+ if(getSchemaURI() != null) {
+ writer.writeDefaultNamespace(getSchemaURI());
+ }
+ writer.writeNamespace("xsd", XML_SCHEMA_URI);
+ writer.writeNamespace("xsi", XML_SCHEMA_INSTANCE_URI);
+ this.configureWriter(writer);
+ this.writeNS(writer);
+ }
+
+ elementWriter.attributes(graph, instance, graph.getStatements(instance.instance, XML.hasAttribute), writer);
+ if (graph.hasValue(instance.instance))
+ elementWriter.characters(graph, instance, writer);
+ // get all child elements
+ Set<Statement> childElements = new HashSet<>();
+ childElements.addAll(graph.getStatements(instance.instance, XML.hasElement));
+ childElements.addAll(graph.getStatements(instance.instance, XML.hasComplexType));
+ // load elements, assign writers
+ Map<Resource,WriterElement> elementMap = new HashMap<>();
+ for (Statement s : childElements) {
+ WriterElement c = new WriterElement(instance,s);
+ loadElement(c);
+ elementMap.put(s.getObject(), c);
+ }
+ LinkedHashSet<Resource> sorted = new LinkedHashSet<>();
+ if (graph.hasStatement(instance.instance, XML.hasOriginalElementList)) {
+ Resource originalList = graph.getSingleObject(instance.instance, XML.hasOriginalElementList);
+ List<Resource> l = ListUtils.toList(graph, originalList);
+ sorted.addAll(l);
+ }
+ elementWriter.children(graph, instance, sorted);
+ Set<Resource> processed = new HashSet<>();
+ for (Resource r : sorted) {
+ if (processed.contains(r)) // badly generated writer could report elements several times.
+ continue;
+ WriterElement child = elementMap.get(r);
+ if (child == null)
+ throw new DatabaseException("Trying to export unregonized resource " +NameUtils.getSafeName(graph, r) + " " + r);
+ write(child, writer);
+ processed.add(r);
+ }
+ //write the rest of the elements (in random order)
+ for (Statement stm : childElements) {
+ if (processed.contains(stm.getObject()))
+ continue;
+ WriterElement child = elementMap.get(stm.getObject());
+ if (child == null)
+ throw new DatabaseException("Trying to export unregonized resource " +NameUtils.getSafeName(graph, stm.getObject()) + " " + stm.getObject());
+ write(child, writer);
+ }
+
+ elementWriter.end(graph, instance, writer);
+
+ }
+
+ private void loadElement(WriterElement child) throws DatabaseException {
+ if (child.instance.getResourceId() == 983084L)
+ System.out.println();
+ XMLElementWriter childWriter = null;
+ if (child.parent != null && child.parent.writer instanceof XMLElementNamedChildWriter) {
+ XMLElementNamedChildWriter namedParentWriter = (XMLElementNamedChildWriter)child.parent.writer;
+ Class<? extends XMLElementWriter> childWriterClass = namedParentWriter.getWriter(graph, writers, child);
+ if (childWriterClass != null) {
+ childWriter = this.writers.get(childWriterClass);
+ if (childWriter == null) {
+ try {
+ Constructor<? extends XMLElementWriter> c = null;
+ try {
+ c = childWriterClass.getConstructor(ReadGraph.class);
+ childWriter = c.newInstance(graph);
+ } catch (NoSuchMethodException e) {
+ c = childWriterClass.getConstructor();
+ childWriter = c.newInstance();
+ }
+ namedWriters.put(childWriterClass, childWriter);
+ } catch (IllegalAccessException|InstantiationException|NoSuchMethodException|SecurityException|InvocationTargetException e) {
+ String err = "Error processing " + childWriterClass.getName() + " : element writers must have accessible constructor with ReadGraph parameter";
+ logger.log(new Status(IStatus.ERROR, XMLParser.PLUGIN_ID, err, e));
+ }
+ }
+ }
+ } else {
+ Resource type = graph.getSingleType(child.instance);
+ childWriter = writers.get(type);
+ }
+ if (childWriter == null) {
+ // try child ontology/schema
+ //Resource type = graph.getSingleType(child.instance);
+ // hack fix for elements containing character data (Current schema conversion does not recognise such cases, leaving Literal type inheritance out).
+ XMLResource XML = XMLResource.getInstance(graph);
+ Resource type = graph.getSingleType(child.instance,XML.Element);
+ Resource ontology = getOntology(type);
+ if (ontology != null) {
+ XMLWriter xmlWriter = subWriters.get(ontology);
+ if (xmlWriter == null) {
+ // FIXME: We need better way to resolve correct ontology and writer.
+ for (XMLWriter w : subWriters.values()) {
+ xmlWriter = w.subWriters.get(ontology);
+ if (xmlWriter != null)
+ break;
+ }
+ }
+ if (xmlWriter != null) {
+ childWriter = xmlWriter.writers.get(type);
+ // wrap the child writer with namespace writer
+ if (childWriter != null) {
+ if (childWriter instanceof XMLElementNamedChildWriter) {
+ childWriter = new XMLNSNamedChildWriter((XMLElementNamedChildWriter)childWriter, xmlWriter.schemaURI);
+ } else {
+ childWriter = new XMLNSElementWriter(childWriter, xmlWriter.schemaURI);
+ }
+ }
+ }
+ }
+ if (childWriter == null)
+ throw new DatabaseException("Cannot locate writer for " + NameUtils.getSafeName(graph, child.instance) + ", " + child.instance);
+ }
+ child.writer = childWriter;
+
+ }
+
+ private Resource getOntology(Resource type) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ Resource r = type;
+ while (true) {
+ r = graph.getPossibleObject(r, L0.PartOf);
+ if (r != null && graph.isInstanceOf(r, L0.Ontology))
+ break;
+ }
+ return r;
+ }
+
+}
Code Review / simantics / interop.git / blobdiff