From 348b97fc6c67013c0918cb425798fb78996964a9 Mon Sep 17 00:00:00 2001 From: luukkainen Date: Tue, 13 Nov 2012 09:17:00 +0000 Subject: [PATCH] refs #3842 git-svn-id: https://www.simantics.org/svn/simantics/interoperability/trunk@26272 ac1ea38d-2e2b-0410-8846-a27921b304fc --- org.simantics.interop.xmlio/.classpath | 7 + org.simantics.interop.xmlio/.project | 28 + .../.settings/org.eclipse.jdt.core.prefs | 7 + .../META-INF/MANIFEST.MF | 16 + org.simantics.interop.xmlio/build.properties | 4 + .../simantics/interop/xmlio/Activator.java | 50 ++ .../interop/xmlio/DefaultLoadRule.java | 99 +++ .../interop/xmlio/DependsOnSaveRule.java | 22 + .../org/simantics/interop/xmlio/LoadRule.java | 17 + .../org/simantics/interop/xmlio/LoadXML.java | 373 ++++++++++ .../org/simantics/interop/xmlio/SaveRule.java | 13 + .../org/simantics/interop/xmlio/SaveXML.java | 646 ++++++++++++++++++ 12 files changed, 1282 insertions(+) create mode 100644 org.simantics.interop.xmlio/.classpath create mode 100644 org.simantics.interop.xmlio/.project create mode 100644 org.simantics.interop.xmlio/.settings/org.eclipse.jdt.core.prefs create mode 100644 org.simantics.interop.xmlio/META-INF/MANIFEST.MF create mode 100644 org.simantics.interop.xmlio/build.properties create mode 100644 org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/Activator.java create mode 100644 org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/DefaultLoadRule.java create mode 100644 org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/DependsOnSaveRule.java create mode 100644 org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/LoadRule.java create mode 100644 org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/LoadXML.java create mode 100644 org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/SaveRule.java create mode 100644 org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/SaveXML.java diff --git a/org.simantics.interop.xmlio/.classpath b/org.simantics.interop.xmlio/.classpath new file mode 100644 index 0000000..8a8f166 --- /dev/null +++ b/org.simantics.interop.xmlio/.classpath @@ -0,0 +1,7 @@ + + + + + + + diff --git a/org.simantics.interop.xmlio/.project b/org.simantics.interop.xmlio/.project new file mode 100644 index 0000000..d85d52c --- /dev/null +++ b/org.simantics.interop.xmlio/.project @@ -0,0 +1,28 @@ + + + org.simantics.interop.xmlio + + + + + + org.eclipse.jdt.core.javabuilder + + + + + org.eclipse.pde.ManifestBuilder + + + + + org.eclipse.pde.SchemaBuilder + + + + + + org.eclipse.pde.PluginNature + org.eclipse.jdt.core.javanature + + diff --git a/org.simantics.interop.xmlio/.settings/org.eclipse.jdt.core.prefs b/org.simantics.interop.xmlio/.settings/org.eclipse.jdt.core.prefs new file mode 100644 index 0000000..f287d53 --- /dev/null +++ b/org.simantics.interop.xmlio/.settings/org.eclipse.jdt.core.prefs @@ -0,0 +1,7 @@ +eclipse.preferences.version=1 +org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled +org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6 +org.eclipse.jdt.core.compiler.compliance=1.6 +org.eclipse.jdt.core.compiler.problem.assertIdentifier=error +org.eclipse.jdt.core.compiler.problem.enumIdentifier=error +org.eclipse.jdt.core.compiler.source=1.6 diff --git a/org.simantics.interop.xmlio/META-INF/MANIFEST.MF b/org.simantics.interop.xmlio/META-INF/MANIFEST.MF new file mode 100644 index 0000000..762d755 --- /dev/null +++ b/org.simantics.interop.xmlio/META-INF/MANIFEST.MF @@ -0,0 +1,16 @@ +Manifest-Version: 1.0 +Bundle-ManifestVersion: 2 +Bundle-Name: Xmlio +Bundle-SymbolicName: org.simantics.interop.xmlio +Bundle-Version: 1.0.0.qualifier +Bundle-Activator: org.simantics.interop.xmlio.Activator +Bundle-Vendor: VTT +Require-Bundle: org.eclipse.ui, + org.eclipse.core.runtime, + org.simantics.db;bundle-version="1.1.0", + org.simantics.db.common;bundle-version="1.1.0", + org.apache.xerces;bundle-version="2.9.0", + org.simantics.db.layer0;bundle-version="1.1.0" +Bundle-RequiredExecutionEnvironment: JavaSE-1.6 +Bundle-ActivationPolicy: lazy +Export-Package: org.simantics.interop.xmlio diff --git a/org.simantics.interop.xmlio/build.properties b/org.simantics.interop.xmlio/build.properties new file mode 100644 index 0000000..41eb6ad --- /dev/null +++ b/org.simantics.interop.xmlio/build.properties @@ -0,0 +1,4 @@ +source.. = src/ +output.. = bin/ +bin.includes = META-INF/,\ + . diff --git a/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/Activator.java b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/Activator.java new file mode 100644 index 0000000..0a18a64 --- /dev/null +++ b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/Activator.java @@ -0,0 +1,50 @@ +package org.simantics.interop.xmlio; + +import org.eclipse.ui.plugin.AbstractUIPlugin; +import org.osgi.framework.BundleContext; + +/** + * The activator class controls the plug-in life cycle + */ +public class Activator extends AbstractUIPlugin { + + // The plug-in ID + public static final String PLUGIN_ID = "org.simantics.interop.xmlio"; //$NON-NLS-1$ + + // The shared instance + private static Activator plugin; + + /** + * The constructor + */ + public Activator() { + } + + /* + * (non-Javadoc) + * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext) + */ + public void start(BundleContext context) throws Exception { + super.start(context); + plugin = this; + } + + /* + * (non-Javadoc) + * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext) + */ + public void stop(BundleContext context) throws Exception { + plugin = null; + super.stop(context); + } + + /** + * Returns the shared instance + * + * @return the shared instance + */ + public static Activator getDefault() { + return plugin; + } + +} diff --git a/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/DefaultLoadRule.java b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/DefaultLoadRule.java new file mode 100644 index 0000000..47bcdb9 --- /dev/null +++ b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/DefaultLoadRule.java @@ -0,0 +1,99 @@ +package org.simantics.interop.xmlio; + +import java.util.List; + +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.exception.DatabaseException; +import org.simantics.interop.xmlio.LoadXML.Bundle; +import org.simantics.layer0.Layer0; + +public class DefaultLoadRule implements LoadRule{ + + private Layer0 l0; + + @Override + public Resource getResource(ReadGraph graph, String uri) + throws DatabaseException { + return graph.getResource(uri); + } + + @Override + public Object createValue(ReadGraph graph, List value, List types) + throws DatabaseException { + if (types.contains(Layer0.URIs.String)) + return value.get(0); + if (types.contains(Layer0.URIs.Boolean)) + return Boolean.parseBoolean(value.get(0)); + if (types.contains(Layer0.URIs.Byte)) + return Byte.parseByte(value.get(0)); + if (types.contains(Layer0.URIs.Double)) + return Double.parseDouble(value.get(0)); + if (types.contains(Layer0.URIs.Integer)) + return Integer.parseInt(value.get(0)); + if (types.contains(Layer0.URIs.Long)) + return Long.parseLong(value.get(0)); + if (types.contains(Layer0.URIs.Float)) + return Float.parseFloat(value.get(0)); + + if (types.contains(Layer0.URIs.StringArray)) { + String[] result = new String[value.size()]; + for (int i = 0; i < result.length; i++) + result[i] = value.get(i); + return result; + } + if (types.contains(Layer0.URIs.BooleanArray)) { + boolean[] result = new boolean[value.size()]; + for (int i = 0; i < result.length; i++) + result[i] = Boolean.parseBoolean(value.get(i)); + return result; + } + if (types.contains(Layer0.URIs.BooleanArray)) { + boolean[] result = new boolean[value.size()]; + for (int i = 0; i < result.length; i++) + result[i] = Boolean.parseBoolean(value.get(i)); + return result; + } + if (types.contains(Layer0.URIs.ByteArray)) { + byte[] result = new byte[value.size()]; + for (int i = 0; i < result.length; i++) + result[i] = Byte.parseByte(value.get(i)); + return result; + } + if (types.contains(Layer0.URIs.DoubleArray)) { + double[] result = new double[value.size()]; + for (int i = 0; i < result.length; i++) + result[i] = Double.parseDouble(value.get(i)); + return result; + } + + if (types.contains(Layer0.URIs.IntegerArray)) { + int[] result = new int[value.size()]; + for (int i = 0; i < result.length; i++) + result[i] = Integer.parseInt(value.get(i)); + return result; + } + if (types.contains(Layer0.URIs.LongArray)) { + long[] result = new long[value.size()]; + for (int i = 0; i < result.length; i++) + result[i] = Long.parseLong(value.get(i)); + return result; + } + if (types.contains(Layer0.URIs.FloatArray)) { + float[] result = new float[value.size()]; + for (int i = 0; i < result.length; i++) + result[i] = Float.parseFloat(value.get(i)); + return result; + } + throw new DatabaseException("Unknow value"); + + } + + @Override + public void initializeWithBundles(ReadGraph graph, List bundles) + throws DatabaseException { + l0 = Layer0.getInstance(graph); + + } + +} diff --git a/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/DependsOnSaveRule.java b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/DependsOnSaveRule.java new file mode 100644 index 0000000..cea063e --- /dev/null +++ b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/DependsOnSaveRule.java @@ -0,0 +1,22 @@ +package org.simantics.interop.xmlio; + +import org.simantics.db.ReadGraph; +import org.simantics.db.Statement; +import org.simantics.db.exception.DatabaseException; +import org.simantics.layer0.Layer0; + +public class DependsOnSaveRule implements SaveRule { + + private Layer0 l0; + + @Override + public void init(ReadGraph g) throws DatabaseException{ + l0 = Layer0.getInstance(g); + } + + @Override + public boolean save(ReadGraph g, Statement s) throws DatabaseException{ + return g.isSubrelationOf(s.getPredicate(),l0.DependsOn); + } + +} diff --git a/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/LoadRule.java b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/LoadRule.java new file mode 100644 index 0000000..b1793ac --- /dev/null +++ b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/LoadRule.java @@ -0,0 +1,17 @@ +package org.simantics.interop.xmlio; + +import java.util.List; + +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.exception.DatabaseException; +import org.simantics.interop.xmlio.LoadXML.Bundle; + +public interface LoadRule { + + public Resource getResource(ReadGraph graph, String uri) throws DatabaseException; + + public Object createValue(ReadGraph graph, List value, List types) throws DatabaseException; + + public void initializeWithBundles(ReadGraph graph, List bundles) throws DatabaseException; +} diff --git a/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/LoadXML.java b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/LoadXML.java new file mode 100644 index 0000000..3a6606b --- /dev/null +++ b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/LoadXML.java @@ -0,0 +1,373 @@ +package org.simantics.interop.xmlio; + +import java.io.BufferedReader; +import java.io.File; +import java.io.FileReader; +import java.io.Reader; +import java.io.Serializable; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Stack; + +import javax.xml.parsers.SAXParser; +import javax.xml.parsers.SAXParserFactory; + +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.Session; +import org.simantics.db.WriteGraph; +import org.simantics.db.common.request.DelayedWriteRequest; +import org.simantics.db.common.request.WriteRequest; +import org.simantics.db.exception.DatabaseException; +import org.simantics.db.layer0.util.SessionGarbageCollection; +import org.simantics.layer0.Layer0; +import org.xml.sax.Attributes; +import org.xml.sax.InputSource; +import org.xml.sax.SAXException; +import org.xml.sax.XMLReader; +import org.xml.sax.helpers.DefaultHandler; + + + +public class LoadXML { + + private Session session; + private Resource resultRoot; + + private File file; + + private Map idMap = new HashMap(); + + //private Map uriMap = new HashMap(); + + private WriteGraph graph; + private Layer0 l0; + private LoadRule rule; + + private int resources; + private int statements; + + public LoadXML(Session session, File file) { + this.session = session; + this.file = file; + this.rule = new DefaultLoadRule(); + } + + public void setRule(LoadRule rule) { + this.rule = rule; + } + + public void load(final Resource subj, final Resource pred) throws Exception { + resources = 0; + statements = 0; + // TODO : switch to Delayed if possible + // Delayed Write Graph in 1.6 does not seem to support converting virtual Resources to real Resources! + + session.syncRequest(new DelayedWriteRequest() { + //session.syncRequest(new WriteRequest() { + + @Override + public void perform(WriteGraph graph) throws DatabaseException { + LoadXML.this.graph = graph; + l0 = Layer0.getInstance(graph); + try { + XMLParser parser = new XMLParser(); + parser.parse(file.getAbsolutePath()); + } catch (Exception e) { + throw new DatabaseException(e); + } finally { + resultRoot = idMap.get(0); + graph.claim(subj, pred, resultRoot); + idMap.clear(); + } + } + }); + + System.out.println("Imported " + statements + " Statements, " + resources + " Resources."); + } + + +// public Resource getResult() { +// return resultRoot; +// } + + protected Resource getResource(ReadGraph graph, String uri) throws DatabaseException { + return rule.getResource(graph, uri); + } + + protected Object createValue(ReadGraph graph, List value, List types) throws DatabaseException { + return rule.createValue(graph, value, types); + } + + protected void initializeWithBundles(ReadGraph graph, List bundles) throws DatabaseException { + rule.initializeWithBundles(graph, bundles); + } + + + public class XMLParser extends DefaultHandler implements Serializable { + + private static final long serialVersionUID = -4995836637014958966L; + + private Stack current = new Stack(); + + private void loadElement(Element element) throws SAXException{ + String name = element.qName; + if ("graphexport".equals(name)) + return; + if ("graphbundles".equals(name)) { + element.setData(new ArrayList()); + return; + } + if ("bundle".equals(name)) + return; + if ("resource".equals(name)) { + element.setData(new Res()); + return; + } + if ("type".equals(name)) { + return; + } + if ("statement".equals(name)) + return; + + } + + private void handleElement(Stack parents, Element element) throws SAXException{ + try { + String elementName = element.qName; + if ("graphexport".equals(elementName)) + return; + if ("graphbundles".equals(elementName)) { + List list = (List)element.getData(); + initializeWithBundles(graph, list); + element.setData(null); + return; + } + if ("bundle".equals(elementName)) { + List list = (List)parents.peek().getData(); + String name = null; + String versionId = null; + for (Attribute a : element.getAttributes()) { + if ("name".equals(a.qName)) + name = a.value; + if ("versionid".equals(a.qName)) + versionId = a.value; + } + list.add(new Bundle(name,versionId)); + return; + } + if ("resource".equals(elementName)) { + Res res = (Res)element.getData(); + boolean rel = false; + String uri = null; + int id = -1; + Resource r = null; + for (Attribute a : element.getAttributes()) { + if ("id".equals(a.qName)) + id = Integer.parseInt(a.value); + if ("rel".equals(a.qName)) + rel = "true".equals(a.value); + if ("uri".equals(a.qName)) + uri = a.value; + } + if (rel) { + r = getResource(graph, uri); + } else { + + r = graph.newResource(); + for (String typeUri : res.types) { + Resource type =getResource(graph, typeUri); + graph.claim(r, l0.InstanceOf, type); + } + + if (res.values.size() > 0 ) { + Object valObj = createValue(graph, res.values, res.types); + graph.claimValue(r, valObj); + } + } + if (id == -1) + throw new SAXException("Resource id missing"); + idMap.put(id, r); + + res.types.clear(); + res.values.clear(); + element.setData(null); + resources++; + return; + } + if ("type".equals(elementName)) { + Element parent = parents.peek(); + Res res = (Res)parent.getData(); + String uri = null; + for (Attribute a : element.getAttributes()) { + if ("uri".equals(a.qName)) + uri = a.value; + } + if (uri != null) + res.types.add(uri); + + return; + } + if ("value".equals(elementName)) { + Element parent = parents.peek(); + Res res = (Res)parent.getData(); + String value = null; + for (Attribute a : element.getAttributes()) { + if ("value".equals(a.qName)) + value = a.value; + } + if (value != null) + res.values.add(value); + + return; + } + if ("statement".equals(elementName)) { + int subjId = -1; + int predId = -1; + int objId = -1; + for (Attribute a : element.getAttributes()) { + if ("subject".equals(a.qName)) + subjId = Integer.parseInt(a.value); + if ("predicate".equals(a.qName)) + predId = Integer.parseInt(a.value); + if ("object".equals(a.qName)) + objId = Integer.parseInt(a.value); + } + + graph.claim(idMap.get(subjId), idMap.get(predId), idMap.get(objId)); + statements++; + if (statements % 10000 == 0) { + System.out.println("Imported " + statements + " Statements, " + resources + " Resources.."); + //SessionGarbageCollection.gc(graph, 0, -1); + } + return; + } + + } catch (DatabaseException e) { + throw new SAXException(e); + } + } + + public void done() { + + } + + public void parse(String filename) throws Exception { + SAXParserFactory spf = SAXParserFactory.newInstance(); + SAXParser saxParser = spf.newSAXParser(); + + XMLReader reader = saxParser.getXMLReader(); + Reader file = new BufferedReader(new FileReader(filename)); + reader.setContentHandler(this); + reader.parse(new InputSource(file)); + done(); + } + + @Override + public void startElement(String uri, String localName, String name, + Attributes attributes) throws SAXException { + Element e = new Element(uri,localName,name,attributes); + current.push(e); + //texts.push(new String()); + loadElement(e); + } + + @Override + public void endElement(String uri, String localName, String name) + throws SAXException { + Element e = null; + if (!current.empty()) { + e = current.pop(); + } + if (e != null) { + handleElement(current,e); + } + } + + } + + public class Attribute { + public String localName; + public String qName; + public String uri; + public String value; + + public Attribute(String localName, String qName, String uri, String value) { + this.localName = localName; + this.qName = qName; + this.uri = uri; + this.value = value; + } + } + + public class Element implements Serializable { + private static final long serialVersionUID = -5207502156942818875L; + String uri; + String localName; + String qName; + List attributes = new ArrayList(); + + public Element(String uri, String localName, String qName, Attributes attributes) { + this.uri = uri; + this.localName = localName; + this.qName = qName; + for (int i = 0; i < attributes.getLength(); i++) { + this.attributes.add(new Attribute(attributes.getLocalName(i),attributes.getQName(i),attributes.getURI(i),attributes.getValue(i))); + } + } + + public String getUri() { + return uri; + } + + public String getLocalName() { + return localName; + } + + public String getQName() { + return qName; + } + + public List getAttributes() { + return attributes; + } + + private Object data; + + public void setData(Object data) { + this.data = data; + } + + public Object getData() { + return data; + } + + } + class Res { + + List types = new ArrayList(); + List values = new ArrayList(); + } + + public static class Bundle { + String name; + String versionId; + public Bundle(String name, String versionId) { + super(); + this.name = name; + this.versionId = versionId; + } + + public String getName() { + return name; + } + + public String getVersionId() { + return versionId; + } + } + + +} diff --git a/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/SaveRule.java b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/SaveRule.java new file mode 100644 index 0000000..6960a45 --- /dev/null +++ b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/SaveRule.java @@ -0,0 +1,13 @@ +package org.simantics.interop.xmlio; + +import org.simantics.db.ReadGraph; +import org.simantics.db.Statement; +import org.simantics.db.exception.DatabaseException; + +public interface SaveRule { + + public void init(ReadGraph g) throws DatabaseException; + + public boolean save(ReadGraph g, Statement s) throws DatabaseException; + +} diff --git a/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/SaveXML.java b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/SaveXML.java new file mode 100644 index 0000000..bcbd527 --- /dev/null +++ b/org.simantics.interop.xmlio/src/org/simantics/interop/xmlio/SaveXML.java @@ -0,0 +1,646 @@ +package org.simantics.interop.xmlio; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStreamWriter; +import java.io.PrintWriter; +import java.io.Writer; +import java.util.Arrays; +import java.util.Calendar; +import java.util.Collection; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; +import java.util.Stack; + +import org.apache.xml.serialize.OutputFormat; +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.request.ReadRequest; +import org.simantics.db.exception.DatabaseException; +import org.simantics.layer0.DatabaseManagementResource; +import org.simantics.layer0.Layer0; +import org.xml.sax.Attributes; +import org.xml.sax.Locator; +import org.xml.sax.SAXException; +import org.xml.sax.SAXParseException; +import org.xml.sax.ext.LexicalHandler; +import org.xml.sax.ext.Locator2; +import org.xml.sax.helpers.AttributesImpl; +import org.xml.sax.helpers.DefaultHandler; + +public class SaveXML extends DefaultHandler implements LexicalHandler { + + private Session session; + private Resource root; + private SaveRule saveRule; + + + private File file; + + private PrintWriter fOut; + /** Canonical output. */ + protected boolean fCanonical = true; + /** Element depth. */ + protected int fElementDepth; + + /** Document locator. */ + protected Locator fLocator; + + /** Processing XML 1.1 document. */ + protected boolean fXML11 = true; + + /** In CDATA section. */ + protected boolean fInCDATA; + + + public SaveXML(Session session, Resource root, File file) { + this.session = session; + this.root = root; + this.file = file; + this.saveRule = new DependsOnSaveRule(); + } + + public void setSaveRule(SaveRule saveRule) { + this.saveRule = saveRule; + } + + public void save() throws DatabaseException, IOException, SAXException { + fCanonical = false; + FileOutputStream fos = new FileOutputStream(file); + fOut = new PrintWriter(new OutputStreamWriter(fos, "UTF8")); + + startDocument(); + fXML11 = true; + AttributesImpl attrs = new AttributesImpl(); + addDate(attrs); + startElement("", "", "graphexport", attrs); + saveGraphBundles(); + saveData(); + endElement("", "", "graphexport"); + endDocument(); + fOut.close(); + } + + private void addDate(AttributesImpl attrs) { + Calendar calendar = Calendar.getInstance(); + int year = calendar.get(Calendar.YEAR); + int month = calendar.get(Calendar.MONTH) + 1; + int day = calendar.get(Calendar.DAY_OF_MONTH); + int hour = calendar.get(Calendar.HOUR_OF_DAY); + int min = calendar.get(Calendar.MINUTE); + int sec = calendar.get(Calendar.SECOND); + String date = ""; + date += year; + date += "-"; + if (month < 10) + date+="0"; + date += month; + date += "-"; + if (day < 10) + date+="0"; + date += day; + date += "T"; + if (hour < 10) + date+="0"; + date += hour; + date += ":"; + if (min < 10) + date+="0"; + date += min; + date += ":"; + if (sec < 10) + date+="0"; + date += sec; + attrs.addAttribute("", "", "date", "CDATA", date); + } + + + Map idMap = new HashMap(); + + Set processed = new HashSet(); + Stack stack = new Stack(); + Layer0 l0; + int statements = 0; + + private void saveData() throws DatabaseException { + idMap.clear(); + processed.clear(); + stack.clear(); + statements = 0; + session.syncRequest(new ReadRequest() { + + @Override + public void run(ReadGraph graph) throws DatabaseException { + l0 = Layer0.getInstance(graph); + saveRule.init(graph); + stack.push(root); + } + }); + try { + while (!stack.isEmpty()) { + session.syncRequest(new ReadRequest() { + + @Override + public void run(ReadGraph graph) throws DatabaseException { + + try { + + + AttributesImpl attrs = new AttributesImpl(); + + + while (!stack.isEmpty()) { + Resource r = stack.pop(); + if (processed.contains(r)) + continue; + processed.add(r); + Collection statement = graph.getStatements(r, l0.IsWeaklyRelatedTo); + boolean split = false; + for (Statement s : statement) { + if (s.isAsserted(r)) + continue; + if (!saveRule.save(graph, s)) + continue; + // System.out.println("Processing " + s.getSubject() + " " + s.getPredicate() + " " + s.getObject()); + + statements++; + int sId = getId(graph, s.getSubject(),false); + int pId = getId(graph, s.getPredicate(),true); + int oId = getId(graph, s.getObject(),false); + attrs.clear(); + attrs.addAttribute("", "", "subject", "CDATA", Integer.toString(sId)); + attrs.addAttribute("", "", "predicate", "CDATA", Integer.toString(pId)); + attrs.addAttribute("", "", "object", "CDATA", Integer.toString(oId)); + startElement("", "", "statement", attrs); + endElement("", "", "statement"); + if (!processed.contains(s.getObject())) + stack.push(s.getObject()); + if (statements % 10000 == 0) { + System.out.println("Processed " + statements + " statements..."); + split = true; + } + + } + if (split) + return; + + } + System.out.println("Done. Processed " + statements + " statements."); + } catch (SAXException e) { + throw new DatabaseException(e); + } + + } + }); + + } + } finally { + idMap.clear(); + processed.clear(); + stack.clear(); + } + +} + + private int getId(ReadGraph g, Resource r, boolean rel) throws SAXException, DatabaseException { + Integer id = idMap.get(r); + if (id == null) { + id = idMap.size(); + idMap.put(r, id); + AttributesImpl attrs = new AttributesImpl(); + attrs.addAttribute("", "", "id", "CDATA", id.toString()); + if (rel) { + attrs.addAttribute("", "", "rel", "CDATA", Boolean.TRUE.toString()); + String uri = g.getPossibleURI(r); + if (uri != null) + attrs.addAttribute("", "", "uri", "CDATA", uri); + } + + startElement("", "", "resource", attrs); + if (!rel) { + Layer0 l0 = Layer0.getInstance(g); + //Collection types = g.getPrincipalTypes(r); + Collection types = g.getObjects(r, l0.InstanceOf); + attrs.clear(); + for (Resource type : types) { + String uri = g.getPossibleURI(type); + if (uri != null) { + attrs.addAttribute("", "", "uri", "CDATA", uri); + startElement("", "", "type", attrs); + endElement("", "", "type"); + } else { + // TODO : handle URIless types. + throw new DatabaseException("Cannot resolve URI for type " + type + ", instance " + r); + } + } + } + if (g.hasValue(r)) { + // FIXME: does not handle arrays. + Object value = g.getValue(r); + + if (value instanceof Object[]) { + Object[] valuearray = (Object[])value; + for (Object o : valuearray) { + attrs.clear(); + attrs.addAttribute("", "", "value", "CDATA", o.toString()); + startElement("", "", "value", attrs); + endElement("", "", "value"); + } + } else { + attrs.clear(); + attrs.addAttribute("", "", "value", "CDATA", value.toString()); + startElement("", "", "value", attrs); + endElement("", "", "value"); + } + } + endElement("", "", "resource"); + + } + return id; + } + + + private void saveGraphBundles() throws DatabaseException{ + final Resource rootLibrary = session.getRootLibrary(); + session.syncRequest(new ReadRequest() { + + @Override + public void run(ReadGraph graph) throws DatabaseException { + Layer0 l0 = Layer0.getInstance(graph); + DatabaseManagementResource dm = DatabaseManagementResource.getInstance(graph); + Collection objs = graph.getObjects(rootLibrary, l0.ConsistsOf); + Resource graphBundles = null; + for (Resource o : objs) { + if (isGraphBundleLib(graph, rootLibrary)) { + graphBundles = o; + break; + } + } + if (graphBundles == null) + graphBundles = dm.InstalledGraphBundles; + + objs = graph.getObjects(graphBundles, l0.ConsistsOf); + AttributesImpl attrs = new AttributesImpl(); + try { + startElement("", "", "graphbundles", attrs); + for (Resource graphBundle : objs) { + if (!graph.isInstanceOf(graphBundle, dm.GraphBundle)) + continue; + String name = graph.getRelatedValue(graphBundle, l0.HasName); + String versionId = graph.getRelatedValue(graphBundle, dm.HasVersionedId); + attrs.clear(); + attrs.addAttribute("", "", "name", "CDATA", name); + attrs.addAttribute("", "", "versionid", "CDATA", versionId); + startElement("", "", "bundle", attrs); + endElement("", "", "bundle"); + } + + endElement("", "", "graphbundles"); + } catch (SAXException e) { + throw new DatabaseException(e); + } + } + }); + } + + private boolean isGraphBundleLib(ReadGraph graph, Resource o) throws DatabaseException { + Layer0 l0 = Layer0.getInstance(graph); + String name = graph.getPossibleRelatedValue(o, l0.HasName); + return "InstalledGraphBundles".equals(name); + } + + + + /** Set Document Locator. */ + public void setDocumentLocator(Locator locator) { + fLocator = locator; + } // setDocumentLocator(Locator) + + /** Start document. */ + public void startDocument() throws SAXException { + + fElementDepth = 0; + fXML11 = false; + fInCDATA = false; + + } // startDocument() + + /** Processing instruction. */ + public void processingInstruction(String target, String data) + throws SAXException { + + if (fElementDepth > 0) { + fOut.print(" 0) { + fOut.print(' '); + fOut.print(data); + } + fOut.print("?>"); + fOut.flush(); + } + + } // processingInstruction(String,String) + + /** Start element. */ + public void startElement(String uri, String local, String raw, + Attributes attrs) throws SAXException { + + // Root Element + if (fElementDepth == 0) { + String encoding = "UTF-8"; + if (fLocator != null) { + if (fLocator instanceof Locator2) { + Locator2 locator2 = (Locator2) fLocator; + fXML11 = "1.1".equals(locator2.getXMLVersion()); + encoding = locator2.getEncoding(); + if (encoding == null) { + encoding = "UTF-8"; + } + } + fLocator = null; + } + + // The XML declaration cannot be printed in startDocument because + // the version and encoding information reported by the Locator + // cannot be relied on until the next event after startDocument. + if (!fCanonical) { + fOut.print(""); + fOut.flush(); + } + } + + fElementDepth++; + fOut.print('<'); + fOut.print(raw); + if (attrs != null) { + attrs = sortAttributes(attrs); + int len = attrs.getLength(); + for (int i = 0; i < len; i++) { + fOut.print(' '); + fOut.print(attrs.getQName(i)); + fOut.print("=\""); + normalizeAndPrint(attrs.getValue(i), true); + fOut.print('"'); + } + } + //fOut.print('>'); + fOut.print(">\n"); + fOut.flush(); + + } // startElement(String,String,String,Attributes) + + /** Characters. */ + public void characters(char ch[], int start, int length) + throws SAXException { + + if (!fInCDATA) { + normalizeAndPrint(ch, start, length, false); + } + else { + for (int i = 0; i < length; ++i) { + fOut.print(ch[start+i]); + } + } + fOut.flush(); + + } // characters(char[],int,int); + + /** Ignorable whitespace. */ + public void ignorableWhitespace(char ch[], int start, int length) + throws SAXException { + + characters(ch, start, length); + fOut.flush(); + + } // ignorableWhitespace(char[],int,int); + + /** End element. */ + public void endElement(String uri, String local, String raw) + throws SAXException { + + fElementDepth--; + fOut.print("'); + fOut.print(">\n"); + fOut.flush(); + + } // endElement(String) + + // + // ErrorHandler methods + // + + /** Warning. */ + public void warning(SAXParseException ex) throws SAXException { + printError("Warning", ex); + } // warning(SAXParseException) + + /** Error. */ + public void error(SAXParseException ex) throws SAXException { + printError("Error", ex); + } // error(SAXParseException) + + /** Fatal error. */ + public void fatalError(SAXParseException ex) throws SAXException { + printError("Fatal Error", ex); + throw ex; + } // fatalError(SAXParseException) + + // + // LexicalHandler methods + // + + /** Start DTD. */ + public void startDTD(String name, String publicId, String systemId) + throws SAXException { + } // startDTD(String,String,String) + + /** End DTD. */ + public void endDTD() throws SAXException { + } // endDTD() + + /** Start entity. */ + public void startEntity(String name) throws SAXException { + } // startEntity(String) + + /** End entity. */ + public void endEntity(String name) throws SAXException { + } // endEntity(String) + + /** Start CDATA section. */ + public void startCDATA() throws SAXException { + if (!fCanonical) { + fOut.print(""); + } + } // endCDATA() + + /** Comment. */ + public void comment(char ch[], int start, int length) throws SAXException { + if (!fCanonical && fElementDepth > 0) { + fOut.print(""); + fOut.print("-->\n"); + fOut.flush(); + } + } // comment(char[],int,int) + + // + // Protected methods + // + + /** Returns a sorted list of attributes. */ + protected Attributes sortAttributes(Attributes attrs) { + + return attrs; +// AttributesImpl attributes = new AttributesImpl(); +// +// int len = (attrs != null) ? attrs.getLength() : 0; +// for (int i = 0; i < len; i++) { +// String name = attrs.getQName(i); +// int count = attributes.getLength(); +// int j = 0; +// while (j < count) { +// if (name.compareTo(attributes.getQName(j)) < 0) { +// break; +// } +// j++; +// } +// //attributes.insertAttributeAt(j, name, attrs.getType(i),attrs.getValue(i)); +// attributes.setAttribute(j, attrs.getURI(i), attrs.getLocalName(i), name, attrs.getType(i), attrs.getValue(i)); +// } +// +// return attributes; + + } // sortAttributes(AttributeList):AttributeList + + /** Normalizes and prints the given string. */ + protected void normalizeAndPrint(String s, boolean isAttValue) { + + int len = (s != null) ? s.length() : 0; + for (int i = 0; i < len; i++) { + char c = s.charAt(i); + normalizeAndPrint(c, isAttValue); + } + + } // normalizeAndPrint(String,boolean) + + /** Normalizes and prints the given array of characters. */ + protected void normalizeAndPrint(char[] ch, int offset, int length, boolean isAttValue) { + for (int i = 0; i < length; i++) { + normalizeAndPrint(ch[offset + i], isAttValue); + } + } // normalizeAndPrint(char[],int,int,boolean) + + /** Normalizes and print the given character. */ + protected void normalizeAndPrint(char c, boolean isAttValue) { + + switch (c) { + case '<': { + fOut.print("<"); + break; + } + case '>': { + fOut.print(">"); + break; + } + case '&': { + fOut.print("&"); + break; + } + case '"': { + // A '"' that appears in character data + // does not need to be escaped. + if (isAttValue) { + fOut.print("""); + } + else { + fOut.print("\""); + } + break; + } + case '\r': { + // If CR is part of the document's content, it + // must not be printed as a literal otherwise + // it would be normalized to LF when the document + // is reparsed. + fOut.print(" "); + break; + } + case '\n': { + if (fCanonical) { + fOut.print(" "); + break; + } + // else, default print char + } + default: { + // In XML 1.1, control chars in the ranges [#x1-#x1F, #x7F-#x9F] must be escaped. + // + // Escape space characters that would be normalized to #x20 in attribute values + // when the document is reparsed. + // + // Escape NEL (0x85) and LSEP (0x2028) that appear in content + // if the document is XML 1.1, since they would be normalized to LF + // when the document is reparsed. + if (fXML11 && ((c >= 0x01 && c <= 0x1F && c != 0x09 && c != 0x0A) + || (c >= 0x7F && c <= 0x9F) || c == 0x2028) + || isAttValue && (c == 0x09 || c == 0x0A)) { + fOut.print("&#x"); + fOut.print(Integer.toHexString(c).toUpperCase()); + fOut.print(";"); + } + else { + fOut.print(c); + } + } + } + } // normalizeAndPrint(char,boolean) + + /** Prints the error message. */ + protected void printError(String type, SAXParseException ex) { + + System.err.print("["); + System.err.print(type); + System.err.print("] "); + String systemId = ex.getSystemId(); + if (systemId != null) { + int index = systemId.lastIndexOf('/'); + if (index != -1) + systemId = systemId.substring(index + 1); + System.err.print(systemId); + } + System.err.print(':'); + System.err.print(ex.getLineNumber()); + System.err.print(':'); + System.err.print(ex.getColumnNumber()); + System.err.print(": "); + System.err.print(ex.getMessage()); + System.err.println(); + System.err.flush(); + + } // printError(String,SAXParseException) + +} -- 2.47.0