-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.db.services.adaption;\r
-\r
-import java.io.File;\r
-import java.io.StringReader;\r
-import java.net.URL;\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.HashMap;\r
-import java.util.List;\r
-import java.util.Map;\r
-\r
-import javax.xml.parsers.DocumentBuilder;\r
-import javax.xml.parsers.DocumentBuilderFactory;\r
-\r
-import org.eclipse.core.runtime.Path;\r
-import org.eclipse.core.runtime.Platform;\r
-import org.osgi.framework.Bundle;\r
-import org.osgi.framework.BundleContext;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.adaption.Adapter;\r
-import org.simantics.db.adaption.AdapterInstaller;\r
-import org.simantics.db.adaption.AdaptionService;\r
-import org.simantics.db.common.request.ReadRequest;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.services.adaption.reflection.AdaptingDynamicAdapter2;\r
-import org.simantics.db.services.adaption.reflection.AtMostOneRelatedResource2;\r
-import org.simantics.db.services.adaption.reflection.ConstantAdapter;\r
-import org.simantics.db.services.adaption.reflection.GraphObject2;\r
-import org.simantics.db.services.adaption.reflection.IDynamicAdapter2;\r
-import org.simantics.db.services.adaption.reflection.OrderedSetResources2;\r
-import org.simantics.db.services.adaption.reflection.ReflectionAdapter2;\r
-import org.simantics.db.services.adaption.reflection.RelatedResources2;\r
-import org.simantics.db.services.adaption.reflection.SingleRelatedResource2;\r
-import org.simantics.db.services.adaption.reflection.StaticMethodAdapter;\r
-import org.simantics.db.services.adaption.reflection.ThisResource2;\r
-import org.simantics.scl.reflection.OntologyVersions;\r
-import org.simantics.utils.FileUtils;\r
-import org.w3c.dom.DOMException;\r
-import org.w3c.dom.Document;\r
-import org.w3c.dom.NamedNodeMap;\r
-import org.w3c.dom.Node;\r
-import org.w3c.dom.NodeList;\r
-import org.xml.sax.ErrorHandler;\r
-import org.xml.sax.InputSource;\r
-import org.xml.sax.SAXException;\r
-import org.xml.sax.SAXParseException;\r
-\r
-public class AdapterRegistry2 {\r
-\r
- public static final String ADAPTERS_FILE = "adapters.xml";\r
-\r
- public static final String ADAPTERS = "adapters";\r
- public static final String ADAPTER = "adapter";\r
- public static final String TARGET = "target";\r
- public static final String BASE_TYPE = "baseType";\r
- public static final String TYPE = "type";\r
- public static final String RESOURCE = "resource";\r
- public static final String URI = "uri";\r
- public static final String INTERFACE = "interface";\r
- public static final String CLASS = "class";\r
- public static final String ADAPTER_CLASS = "adapterClass";\r
- public static final String CONTEXT_CLASS = "contextClass";\r
- public static final String INSTALLER = "installer";\r
- public static final String CONSTRUCTOR = "constructor";\r
-\r
- static private AdapterRegistry2 instance = new AdapterRegistry2();\r
- Collection<AdapterInstaller> installers = new ArrayList<AdapterInstaller>();\r
- Map<AdapterInstaller, String> installerSources = new HashMap<AdapterInstaller, String>();\r
- Collection<Exception> exceptions = new ArrayList<Exception>();\r
-\r
- public static AdapterRegistry2 getInstance() {\r
- return instance;\r
- }\r
-\r
- private void addInstaller(AdapterInstaller installer, String sourceDesc) {\r
- installers.add(installer);\r
- installerSources.put(installer, sourceDesc);\r
- }\r
-\r
- private void handleException(Exception e, String fileName) {\r
- System.err.println("At " + fileName);\r
- e.printStackTrace();\r
- }\r
-\r
- private void handleException(Exception e, AdapterInstaller installer) {\r
- String desc = installerSources.get(installer);\r
- if (desc != null)\r
- System.err.println("At " + desc);\r
- e.printStackTrace();\r
- }\r
-\r
- private void handleAdaptersDocument(Loader b, Document doc, String fileName) {\r
- try {\r
- Node node = doc.getDocumentElement();\r
- if(node.getNodeName().equals(ADAPTERS)) {\r
- NodeList nodeList = node.getChildNodes();\r
- for(int i=0;i<nodeList.getLength();++i) {\r
- Node n = nodeList.item(i);\r
- if(n.getNodeName().equals(TARGET))\r
- handleTarget(b, n, fileName);\r
- else if(n.getNodeName().equals(INSTALLER))\r
- handleInstaller(b, n, fileName);\r
- }\r
- }\r
- } catch (Exception e) {\r
- handleException(e, fileName);\r
- }\r
- }\r
-\r
- private void handleTarget(Loader b, Node node, String fileName) {\r
- try {\r
- Class<?> interface_ =\r
- b.loadClass(node.getAttributes().getNamedItem("interface")\r
- .getNodeValue());\r
- NodeList nodeList = node.getChildNodes();\r
- for(int i=0;i<nodeList.getLength();++i) {\r
- Node n = nodeList.item(i);\r
- String nodeName = n.getNodeName();\r
- if(nodeName.equals(BASE_TYPE))\r
- handleBaseType(b, interface_, n, fileName);\r
- else if(nodeName.equals(TYPE))\r
- handleType(b, interface_, n, fileName);\r
- else if(nodeName.equals(ADAPTER))\r
- handleAdapter(b, interface_, n, fileName);\r
- else if(nodeName.equals(RESOURCE))\r
- handleResource(b, interface_, n, fileName);\r
- }\r
- } catch (Exception e) {\r
- handleException(e, fileName);\r
- }\r
- }\r
-\r
- private void handleInstaller(Loader b, Node node, String fileName) {\r
- try {\r
- AdapterInstaller installer =\r
- ((Class<?>)b.loadClass(node.getAttributes().getNamedItem("class").getNodeValue()))\r
- .asSubclass(AdapterInstaller.class).newInstance();\r
- addInstaller(installer, fileName);\r
- } catch (Exception e) {\r
- handleException(e, fileName);\r
- }\r
- }\r
-\r
- private <T> void handleResource(final Loader b, final Class<T> interface_, final Node node, String fileName) {\r
- try {\r
- NamedNodeMap attr = node.getAttributes();\r
- final String uri = attr.getNamedItem(URI).getNodeValue();\r
- final String className = attr.getNamedItem(CLASS).getNodeValue();\r
- Node constructorNode = attr.getNamedItem(CONSTRUCTOR);\r
- final String constructor = constructorNode == null ? null : constructorNode.getNodeValue();\r
-// System.out.println("AdapterRegistry2.handleResource: " + b + " " + uri + " " + interface_);\r
- addInstaller(\r
-\r
- new AdapterInstaller() {\r
-\r
- @Override\r
- public void install(ReadGraph g, AdaptionService service) throws Exception {\r
- Class<? extends T> clazz = b.loadClass(className).asSubclass(interface_);\r
- List<IDynamicAdapter2> parameters = readParameters(g, node, b);\r
- IDynamicAdapter2[] parameterArray = \r
- parameters.toArray(new IDynamicAdapter2[parameters.size()]);\r
- Resource r = g.getResource(uri);\r
- service.addInstanceAdapter(\r
- r,\r
- interface_,\r
- constructor == null \r
- ? new ReflectionAdapter2<T>(clazz, parameterArray)\r
- : new StaticMethodAdapter<T>(clazz, constructor, parameterArray));\r
- }\r
-\r
- }, fileName);\r
- } catch (Exception e) {\r
- handleException(e, fileName);\r
- }\r
- }\r
-\r
- private <T> void handleType(final Loader b, final Class<T> interface_, final Node node, String fileName) {\r
- try {\r
- final NamedNodeMap attr = node.getAttributes();\r
- final String uri = attr.getNamedItem(URI).getNodeValue();\r
- Node constructorNode = attr.getNamedItem(CONSTRUCTOR);\r
- final String constructor = constructorNode == null ? null : constructorNode.getNodeValue();\r
- //System.out.println("AdapterRegistry2.handleType: " + b + " " + uri + " " + interface_);\r
- addInstaller(\r
- new AdapterInstaller() {\r
-\r
- @Override\r
- public void install(ReadGraph g, AdaptionService service) throws Exception {\r
- try {\r
- Class<? extends T> clazz =\r
- ((Class<?>)b.loadClass(attr.getNamedItem(CLASS).getNodeValue()))\r
- .asSubclass(interface_);\r
- List<IDynamicAdapter2> parameters = readParameters(g, node, b);\r
- IDynamicAdapter2[] parameterArray = \r
- parameters.toArray(new IDynamicAdapter2[parameters.size()]);\r
- service.addAdapter(\r
- g.getResource(uri),\r
- interface_,\r
- constructor == null \r
- ? new ReflectionAdapter2<T>(clazz, parameterArray)\r
- : new StaticMethodAdapter<T>(clazz, constructor, parameterArray));\r
- } catch(Error t) {\r
- System.err.println("Failed to adapt "+interface_.getName());\r
- throw t;\r
- } catch(RuntimeException t) {\r
- System.err.println("Failed to adapt "+interface_.getName());\r
- throw t;\r
- }\r
- }\r
-\r
- }, fileName);\r
- } catch (Exception e) {\r
- e.printStackTrace();\r
- handleException(e, fileName);\r
- }\r
- }\r
-\r
- private List<IDynamicAdapter2> readParameters(ReadGraph g, Node node, Loader b) throws DatabaseException, DOMException, ClassNotFoundException {\r
- NodeList nodeList = node.getChildNodes();\r
- ArrayList<IDynamicAdapter2> parameters = new ArrayList<IDynamicAdapter2>();\r
- for(int i=0;i<nodeList.getLength();++i) {\r
- Node n = nodeList.item(i);\r
- if(n.getNodeType() == Node.ELEMENT_NODE) {\r
- NamedNodeMap attr = n.getAttributes();\r
- IDynamicAdapter2 da = null;\r
- if(n.getNodeName().equals("this"))\r
- da = new ThisResource2();\r
- else if(n.getNodeName().equals("graph"))\r
- da = new GraphObject2();\r
- else if(n.getNodeName().equals("bundle")) {\r
- String bundleId = null;\r
- Node fc = n.getFirstChild();\r
- if (fc != null)\r
- bundleId = fc.getNodeValue();\r
- if (bundleId == null) {\r
- da = new ConstantAdapter(Bundle.class, b.getBundle());\r
- } else {\r
- Bundle ob = Platform.getBundle(bundleId);\r
- if (ob != null) {\r
- da = new ConstantAdapter(Bundle.class, ob);\r
- } else {\r
- throw new DOMException(DOMException.NOT_FOUND_ERR, "bundle '" + bundleId + "' not found");\r
- }\r
- }\r
- } else if(n.getNodeName().equals("related"))\r
- da = new RelatedResources2(\r
- g.getResource(attr.getNamedItem("uri").getNodeValue()));\r
- else if(n.getNodeName().equals("orderedSet"))\r
- da = new OrderedSetResources2(\r
- g.getResource(attr.getNamedItem("uri").getNodeValue()));\r
- else if(n.getNodeName().equals("single"))\r
- da = new SingleRelatedResource2(\r
- g.getResource(attr.getNamedItem("uri").getNodeValue()));\r
- else if(n.getNodeName().equals("atMostOne"))\r
- da = new AtMostOneRelatedResource2(\r
- g.getResource(attr.getNamedItem("uri").getNodeValue()));\r
- else if(n.getNodeName().equals("string"))\r
- da = new ConstantAdapter(String.class, n.getFirstChild().getNodeValue());\r
- {\r
- Node toNode = attr.getNamedItem("to");\r
- if(toNode != null) {\r
- String to = toNode.getNodeValue();\r
- da = new AdaptingDynamicAdapter2(da, b.loadClass(to));\r
- }\r
- }\r
- parameters.add(da);\r
- }\r
- }\r
- return parameters;\r
- }\r
-\r
- private <T> void handleAdapter(final Loader b, final Class<T> interface_, Node node, String fileName) {\r
- try {\r
- NamedNodeMap attr = node.getAttributes();\r
- final String uri = attr.getNamedItem(URI).getNodeValue();\r
- final String clazz = attr.getNamedItem(ADAPTER_CLASS).getNodeValue();\r
-\r
- Node contextNode = attr.getNamedItem(CONTEXT_CLASS);\r
- final Class<?> contextClass = contextNode != null ? b.loadClass(contextNode.getNodeValue()) : Resource.class;\r
- \r
- //System.out.println("AdapterRegistry2.handleAdapter: " + b + " " + uri + " " + interface_ + ", class=" + clazz);\r
- addInstaller(\r
- new AdapterInstaller() {\r
-\r
- @SuppressWarnings("unchecked")\r
- @Override\r
- public void install(ReadGraph g, AdaptionService service) throws Exception {\r
- service.addAdapter(\r
- g.getResource(uri),\r
- interface_,\r
- contextClass,\r
- ((Class<?>)b.loadClass(clazz))\r
- .asSubclass(Adapter.class).newInstance());\r
- }\r
-\r
- }, fileName);\r
- } catch (Exception e) {\r
- handleException(e, fileName);\r
- }\r
- }\r
-\r
- private <T> void handleBaseType(Loader b, final Class<T> interface_, Node node, String fileName) {\r
- try {\r
- NamedNodeMap attr = node.getAttributes();\r
- final String uri = attr.getNamedItem(URI).getNodeValue();\r
- addInstaller(\r
- new AdapterInstaller() {\r
-\r
- @Override\r
- public void install(ReadGraph g, AdaptionService service) throws Exception {\r
- service.declareAdapter(\r
- g.getResource(uri),\r
- interface_);\r
- }\r
-\r
- }, fileName);\r
- } catch (Exception e) {\r
- handleException(e, fileName);\r
- }\r
- }\r
-\r
- public void updateAdaptionService(Session s, final AdaptionService service) throws DatabaseException {\r
- s.syncRequest(new ReadRequest() {\r
- @Override\r
- public void run(ReadGraph g) {\r
- for(AdapterInstaller t : installers) {\r
- try {\r
- t.install(g, service);\r
- } catch (Exception e) {\r
- AdapterRegistry2.this.handleException(e, t);\r
- }\r
- }\r
- }\r
- });\r
- }\r
-\r
- public void initialize(ClassLoader b, String schemaURL, File[] files) {\r
-\r
- try {\r
- \r
- DocumentBuilderFactory factory =\r
- DocumentBuilderFactory.newInstance();\r
- \r
- if(schemaURL != null) {\r
- \r
- factory.setValidating(true);\r
- factory.setAttribute(\r
- "http://java.sun.com/xml/jaxp/properties/schemaLanguage",\r
- "http://www.w3.org/2001/XMLSchema");\r
- factory.setAttribute(\r
- "http://java.sun.com/xml/jaxp/properties/schemaSource", schemaURL);\r
- \r
- }\r
-\r
- // TODO Listen bundles (install/uninstall)\r
- if (exceptions.isEmpty())\r
- for (final File f : files) {\r
-// String fileName = new Path(b.getLocation()).append(file.getPath()).toString();\r
- try {\r
- DocumentBuilder builder = factory.newDocumentBuilder();\r
- builder.setErrorHandler(new ErrorHandler() {\r
-\r
- @Override\r
- public void error(SAXParseException exception)\r
- throws SAXException {\r
- // TODO Put this error somewhere\r
- System.err.println("Parse error at " + f.getAbsolutePath() + \r
-// + b.getSymbolicName() + "/adapters.xml" +\r
- " line " + exception.getLineNumber() +\r
- " column " + exception.getColumnNumber() + ":");\r
- System.err.println(exception.getMessage());\r
- }\r
-\r
- @Override\r
- public void fatalError(SAXParseException exception)\r
- throws SAXException {\r
- error(exception);\r
- }\r
-\r
- @Override\r
- public void warning(SAXParseException exception)\r
- throws SAXException {\r
- error(exception);\r
- }\r
-\r
- });\r
- //System.out.println("bundle=" + b.getSymbolicName());\r
- Document doc = builder.parse(f);\r
- handleAdaptersDocument(loader(b), doc, f.getAbsolutePath());\r
- } catch (Exception e) {\r
- handleException(e, f.getAbsolutePath());\r
-\r
- }\r
- }\r
- } catch (Exception e) {\r
- handleException(e, "(no file name available)");\r
- }\r
- \r
- }\r
- \r
- public void initialize(BundleContext context) {\r
- \r
- try {\r
- \r
- DocumentBuilderFactory factory =\r
- DocumentBuilderFactory.newInstance();\r
- factory.setValidating(true);\r
- factory.setAttribute(\r
- "http://java.sun.com/xml/jaxp/properties/schemaLanguage",\r
- "http://www.w3.org/2001/XMLSchema");\r
- factory.setAttribute(\r
- "http://java.sun.com/xml/jaxp/properties/schemaSource",\r
- context.getBundle().getResource("adapters.xsd").toString());\r
-\r
- // TODO Listen bundles (install/uninstall)\r
- if (exceptions.isEmpty())\r
- for (final Bundle b : context.getBundles()) {\r
- URL file = b.getEntry(ADAPTERS_FILE);\r
- if (file != null) {\r
- String fileName = new Path(b.getLocation()).append(file.getPath()).toString();\r
- try {\r
- DocumentBuilder builder = factory.newDocumentBuilder();\r
- builder.setErrorHandler(new ErrorHandler() {\r
-\r
- @Override\r
- public void error(SAXParseException exception)\r
- throws SAXException {\r
- // TODO Put this error somewhere\r
- System.err.println("Parse error at "\r
- + b.getSymbolicName() + "/adapters.xml" +\r
- " line " + exception.getLineNumber() +\r
- " column " + exception.getColumnNumber() + ":");\r
- System.err.println(exception.getMessage());\r
- }\r
-\r
- @Override\r
- public void fatalError(SAXParseException exception)\r
- throws SAXException {\r
- error(exception);\r
- }\r
-\r
- @Override\r
- public void warning(SAXParseException exception)\r
- throws SAXException {\r
- error(exception);\r
- }\r
-\r
- });\r
- \r
- //System.out.println("bundle=" + b.getSymbolicName());\r
- String text = FileUtils.getContents(file);\r
- text = OntologyVersions.getInstance().currentVersion(text);\r
- StringReader reader = new StringReader( text );\r
- InputSource inputSource = new InputSource( reader );\r
- Document doc = builder.parse( inputSource );\r
- reader.close(); \r
- handleAdaptersDocument(loader(b), doc, fileName);\r
- } catch (Exception e) {\r
- handleException(e, fileName);\r
-\r
- }\r
- }\r
- }\r
- } catch (Exception e) {\r
- handleException(e, "(no file name available)");\r
- }\r
- }\r
-\r
- interface Loader {\r
- Class<?> loadClass(String name) throws ClassNotFoundException ;\r
- Bundle getBundle();\r
- }\r
-\r
- private Loader loader(final Bundle b) {\r
- return new Loader() {\r
-\r
- @Override\r
- public Class<?> loadClass(String name) throws ClassNotFoundException {\r
- return b.loadClass(name);\r
- }\r
- \r
- @Override\r
- public Bundle getBundle() {\r
- return b;\r
- }\r
- \r
- };\r
- }\r
-\r
- private Loader loader(final ClassLoader b) {\r
- return new Loader() {\r
-\r
- @Override\r
- public Class<?> loadClass(String name) throws ClassNotFoundException {\r
- return b.loadClass(name);\r
- }\r
-\r
- @Override\r
- public Bundle getBundle() {\r
- return null;\r
- }\r
- \r
- };\r
- }\r
- \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.services.adaption;
+
+import java.io.File;
+import java.io.StringReader;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Platform;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.Session;
+import org.simantics.db.adaption.Adapter;
+import org.simantics.db.adaption.AdapterInstaller;
+import org.simantics.db.adaption.AdaptionService;
+import org.simantics.db.common.request.ReadRequest;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.services.adaption.reflection.AdaptingDynamicAdapter2;
+import org.simantics.db.services.adaption.reflection.AtMostOneRelatedResource2;
+import org.simantics.db.services.adaption.reflection.ConstantAdapter;
+import org.simantics.db.services.adaption.reflection.GraphObject2;
+import org.simantics.db.services.adaption.reflection.IDynamicAdapter2;
+import org.simantics.db.services.adaption.reflection.OrderedSetResources2;
+import org.simantics.db.services.adaption.reflection.ReflectionAdapter2;
+import org.simantics.db.services.adaption.reflection.RelatedResources2;
+import org.simantics.db.services.adaption.reflection.SingleRelatedResource2;
+import org.simantics.db.services.adaption.reflection.StaticMethodAdapter;
+import org.simantics.db.services.adaption.reflection.ThisResource2;
+import org.simantics.scl.reflection.OntologyVersions;
+import org.simantics.utils.FileUtils;
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Document;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+public class AdapterRegistry2 {
+
+ public static final String ADAPTERS_FILE = "adapters.xml";
+
+ public static final String ADAPTERS = "adapters";
+ public static final String ADAPTER = "adapter";
+ public static final String TARGET = "target";
+ public static final String BASE_TYPE = "baseType";
+ public static final String TYPE = "type";
+ public static final String RESOURCE = "resource";
+ public static final String URI = "uri";
+ public static final String INTERFACE = "interface";
+ public static final String CLASS = "class";
+ public static final String ADAPTER_CLASS = "adapterClass";
+ public static final String CONTEXT_CLASS = "contextClass";
+ public static final String INSTALLER = "installer";
+ public static final String CONSTRUCTOR = "constructor";
+
+ static private AdapterRegistry2 instance = new AdapterRegistry2();
+ Collection<AdapterInstaller> installers = new ArrayList<AdapterInstaller>();
+ Map<AdapterInstaller, String> installerSources = new HashMap<AdapterInstaller, String>();
+ Collection<Exception> exceptions = new ArrayList<Exception>();
+
+ public static AdapterRegistry2 getInstance() {
+ return instance;
+ }
+
+ private void addInstaller(AdapterInstaller installer, String sourceDesc) {
+ installers.add(installer);
+ installerSources.put(installer, sourceDesc);
+ }
+
+ private void handleException(Exception e, String fileName) {
+ System.err.println("At " + fileName);
+ e.printStackTrace();
+ }
+
+ private void handleException(Exception e, AdapterInstaller installer) {
+ String desc = installerSources.get(installer);
+ if (desc != null)
+ System.err.println("At " + desc);
+ e.printStackTrace();
+ }
+
+ private void handleAdaptersDocument(Loader b, Document doc, String fileName) {
+ try {
+ Node node = doc.getDocumentElement();
+ if(node.getNodeName().equals(ADAPTERS)) {
+ NodeList nodeList = node.getChildNodes();
+ for(int i=0;i<nodeList.getLength();++i) {
+ Node n = nodeList.item(i);
+ if(n.getNodeName().equals(TARGET))
+ handleTarget(b, n, fileName);
+ else if(n.getNodeName().equals(INSTALLER))
+ handleInstaller(b, n, fileName);
+ }
+ }
+ } catch (Exception e) {
+ handleException(e, fileName);
+ }
+ }
+
+ private void handleTarget(Loader b, Node node, String fileName) {
+ try {
+ Class<?> interface_ =
+ b.loadClass(node.getAttributes().getNamedItem("interface")
+ .getNodeValue());
+ NodeList nodeList = node.getChildNodes();
+ for(int i=0;i<nodeList.getLength();++i) {
+ Node n = nodeList.item(i);
+ String nodeName = n.getNodeName();
+ if(nodeName.equals(BASE_TYPE))
+ handleBaseType(b, interface_, n, fileName);
+ else if(nodeName.equals(TYPE))
+ handleType(b, interface_, n, fileName);
+ else if(nodeName.equals(ADAPTER))
+ handleAdapter(b, interface_, n, fileName);
+ else if(nodeName.equals(RESOURCE))
+ handleResource(b, interface_, n, fileName);
+ }
+ } catch (Exception e) {
+ handleException(e, fileName);
+ }
+ }
+
+ private void handleInstaller(Loader b, Node node, String fileName) {
+ try {
+ AdapterInstaller installer =
+ ((Class<?>)b.loadClass(node.getAttributes().getNamedItem("class").getNodeValue()))
+ .asSubclass(AdapterInstaller.class).newInstance();
+ addInstaller(installer, fileName);
+ } catch (Exception e) {
+ handleException(e, fileName);
+ }
+ }
+
+ private <T> void handleResource(final Loader b, final Class<T> interface_, final Node node, String fileName) {
+ try {
+ NamedNodeMap attr = node.getAttributes();
+ final String uri = attr.getNamedItem(URI).getNodeValue();
+ final String className = attr.getNamedItem(CLASS).getNodeValue();
+ Node constructorNode = attr.getNamedItem(CONSTRUCTOR);
+ final String constructor = constructorNode == null ? null : constructorNode.getNodeValue();
+// System.out.println("AdapterRegistry2.handleResource: " + b + " " + uri + " " + interface_);
+ addInstaller(
+
+ new AdapterInstaller() {
+
+ @Override
+ public void install(ReadGraph g, AdaptionService service) throws Exception {
+ Class<? extends T> clazz = b.loadClass(className).asSubclass(interface_);
+ List<IDynamicAdapter2> parameters = readParameters(g, node, b);
+ IDynamicAdapter2[] parameterArray =
+ parameters.toArray(new IDynamicAdapter2[parameters.size()]);
+ Resource r = g.getResource(uri);
+ service.addInstanceAdapter(
+ r,
+ interface_,
+ constructor == null
+ ? new ReflectionAdapter2<T>(clazz, parameterArray)
+ : new StaticMethodAdapter<T>(clazz, constructor, parameterArray));
+ }
+
+ }, fileName);
+ } catch (Exception e) {
+ handleException(e, fileName);
+ }
+ }
+
+ private <T> void handleType(final Loader b, final Class<T> interface_, final Node node, String fileName) {
+ try {
+ final NamedNodeMap attr = node.getAttributes();
+ final String uri = attr.getNamedItem(URI).getNodeValue();
+ Node constructorNode = attr.getNamedItem(CONSTRUCTOR);
+ final String constructor = constructorNode == null ? null : constructorNode.getNodeValue();
+ //System.out.println("AdapterRegistry2.handleType: " + b + " " + uri + " " + interface_);
+ addInstaller(
+ new AdapterInstaller() {
+
+ @Override
+ public void install(ReadGraph g, AdaptionService service) throws Exception {
+ try {
+ Class<? extends T> clazz =
+ ((Class<?>)b.loadClass(attr.getNamedItem(CLASS).getNodeValue()))
+ .asSubclass(interface_);
+ List<IDynamicAdapter2> parameters = readParameters(g, node, b);
+ IDynamicAdapter2[] parameterArray =
+ parameters.toArray(new IDynamicAdapter2[parameters.size()]);
+ service.addAdapter(
+ g.getResource(uri),
+ interface_,
+ constructor == null
+ ? new ReflectionAdapter2<T>(clazz, parameterArray)
+ : new StaticMethodAdapter<T>(clazz, constructor, parameterArray));
+ } catch(Error t) {
+ System.err.println("Failed to adapt "+interface_.getName());
+ throw t;
+ } catch(RuntimeException t) {
+ System.err.println("Failed to adapt "+interface_.getName());
+ throw t;
+ }
+ }
+
+ }, fileName);
+ } catch (Exception e) {
+ e.printStackTrace();
+ handleException(e, fileName);
+ }
+ }
+
+ private List<IDynamicAdapter2> readParameters(ReadGraph g, Node node, Loader b) throws DatabaseException, DOMException, ClassNotFoundException {
+ NodeList nodeList = node.getChildNodes();
+ ArrayList<IDynamicAdapter2> parameters = new ArrayList<IDynamicAdapter2>();
+ for(int i=0;i<nodeList.getLength();++i) {
+ Node n = nodeList.item(i);
+ if(n.getNodeType() == Node.ELEMENT_NODE) {
+ NamedNodeMap attr = n.getAttributes();
+ IDynamicAdapter2 da = null;
+ if(n.getNodeName().equals("this"))
+ da = new ThisResource2();
+ else if(n.getNodeName().equals("graph"))
+ da = new GraphObject2();
+ else if(n.getNodeName().equals("bundle")) {
+ String bundleId = null;
+ Node fc = n.getFirstChild();
+ if (fc != null)
+ bundleId = fc.getNodeValue();
+ if (bundleId == null) {
+ da = new ConstantAdapter(Bundle.class, b.getBundle());
+ } else {
+ Bundle ob = Platform.getBundle(bundleId);
+ if (ob != null) {
+ da = new ConstantAdapter(Bundle.class, ob);
+ } else {
+ throw new DOMException(DOMException.NOT_FOUND_ERR, "bundle '" + bundleId + "' not found");
+ }
+ }
+ } else if(n.getNodeName().equals("related"))
+ da = new RelatedResources2(
+ g.getResource(attr.getNamedItem("uri").getNodeValue()));
+ else if(n.getNodeName().equals("orderedSet"))
+ da = new OrderedSetResources2(
+ g.getResource(attr.getNamedItem("uri").getNodeValue()));
+ else if(n.getNodeName().equals("single"))
+ da = new SingleRelatedResource2(
+ g.getResource(attr.getNamedItem("uri").getNodeValue()));
+ else if(n.getNodeName().equals("atMostOne"))
+ da = new AtMostOneRelatedResource2(
+ g.getResource(attr.getNamedItem("uri").getNodeValue()));
+ else if(n.getNodeName().equals("string"))
+ da = new ConstantAdapter(String.class, n.getFirstChild().getNodeValue());
+ {
+ Node toNode = attr.getNamedItem("to");
+ if(toNode != null) {
+ String to = toNode.getNodeValue();
+ da = new AdaptingDynamicAdapter2(da, b.loadClass(to));
+ }
+ }
+ parameters.add(da);
+ }
+ }
+ return parameters;
+ }
+
+ private <T> void handleAdapter(final Loader b, final Class<T> interface_, Node node, String fileName) {
+ try {
+ NamedNodeMap attr = node.getAttributes();
+ final String uri = attr.getNamedItem(URI).getNodeValue();
+ final String clazz = attr.getNamedItem(ADAPTER_CLASS).getNodeValue();
+
+ Node contextNode = attr.getNamedItem(CONTEXT_CLASS);
+ final Class<?> contextClass = contextNode != null ? b.loadClass(contextNode.getNodeValue()) : Resource.class;
+
+ //System.out.println("AdapterRegistry2.handleAdapter: " + b + " " + uri + " " + interface_ + ", class=" + clazz);
+ addInstaller(
+ new AdapterInstaller() {
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public void install(ReadGraph g, AdaptionService service) throws Exception {
+ service.addAdapter(
+ g.getResource(uri),
+ interface_,
+ contextClass,
+ ((Class<?>)b.loadClass(clazz))
+ .asSubclass(Adapter.class).newInstance());
+ }
+
+ }, fileName);
+ } catch (Exception e) {
+ handleException(e, fileName);
+ }
+ }
+
+ private <T> void handleBaseType(Loader b, final Class<T> interface_, Node node, String fileName) {
+ try {
+ NamedNodeMap attr = node.getAttributes();
+ final String uri = attr.getNamedItem(URI).getNodeValue();
+ addInstaller(
+ new AdapterInstaller() {
+
+ @Override
+ public void install(ReadGraph g, AdaptionService service) throws Exception {
+ service.declareAdapter(
+ g.getResource(uri),
+ interface_);
+ }
+
+ }, fileName);
+ } catch (Exception e) {
+ handleException(e, fileName);
+ }
+ }
+
+ public void updateAdaptionService(Session s, final AdaptionService service) throws DatabaseException {
+ s.syncRequest(new ReadRequest() {
+ @Override
+ public void run(ReadGraph g) {
+ for(AdapterInstaller t : installers) {
+ try {
+ t.install(g, service);
+ } catch (Exception e) {
+ AdapterRegistry2.this.handleException(e, t);
+ }
+ }
+ }
+ });
+ }
+
+ public void initialize(ClassLoader b, String schemaURL, File[] files) {
+
+ try {
+
+ DocumentBuilderFactory factory =
+ DocumentBuilderFactory.newInstance();
+
+ if(schemaURL != null && validateAgainstSchema()) {
+
+ factory.setValidating(true);
+ factory.setAttribute(
+ "http://java.sun.com/xml/jaxp/properties/schemaLanguage",
+ "http://www.w3.org/2001/XMLSchema");
+ factory.setAttribute(
+ "http://java.sun.com/xml/jaxp/properties/schemaSource", schemaURL);
+
+ }
+
+ // TODO Listen bundles (install/uninstall)
+ if (exceptions.isEmpty())
+ for (final File f : files) {
+// String fileName = new Path(b.getLocation()).append(file.getPath()).toString();
+ try {
+ DocumentBuilder builder = factory.newDocumentBuilder();
+ builder.setErrorHandler(new ErrorHandler() {
+
+ @Override
+ public void error(SAXParseException exception)
+ throws SAXException {
+ // TODO Put this error somewhere
+ System.err.println("Parse error at " + f.getAbsolutePath() +
+// + b.getSymbolicName() + "/adapters.xml" +
+ " line " + exception.getLineNumber() +
+ " column " + exception.getColumnNumber() + ":");
+ System.err.println(exception.getMessage());
+ }
+
+ @Override
+ public void fatalError(SAXParseException exception)
+ throws SAXException {
+ error(exception);
+ }
+
+ @Override
+ public void warning(SAXParseException exception)
+ throws SAXException {
+ error(exception);
+ }
+
+ });
+ //System.out.println("bundle=" + b.getSymbolicName());
+ Document doc = builder.parse(f);
+ handleAdaptersDocument(loader(b), doc, f.getAbsolutePath());
+ } catch (Exception e) {
+ handleException(e, f.getAbsolutePath());
+
+ }
+ }
+ } catch (Exception e) {
+ handleException(e, "(no file name available)");
+ }
+
+ }
+
+ private boolean validateAgainstSchema() {
+ return Platform.inDevelopmentMode();
+ }
+
+ public void initialize(BundleContext context) {
+
+ try {
+
+ DocumentBuilderFactory factory =
+ DocumentBuilderFactory.newInstance();
+
+ if (validateAgainstSchema()) {
+ factory.setValidating(true);
+ factory.setAttribute(
+ "http://java.sun.com/xml/jaxp/properties/schemaLanguage",
+ "http://www.w3.org/2001/XMLSchema");
+ factory.setAttribute(
+ "http://java.sun.com/xml/jaxp/properties/schemaSource",
+ context.getBundle().getResource("adapters.xsd").toString());
+ }
+
+ // TODO Listen bundles (install/uninstall)
+ if (exceptions.isEmpty())
+ for (final Bundle b : context.getBundles()) {
+ URL file = b.getEntry(ADAPTERS_FILE);
+ if (file != null) {
+ String fileName = new Path(b.getLocation()).append(file.getPath()).toString();
+ try {
+ DocumentBuilder builder = factory.newDocumentBuilder();
+ builder.setErrorHandler(new ErrorHandler() {
+
+ @Override
+ public void error(SAXParseException exception)
+ throws SAXException {
+ // TODO Put this error somewhere
+ System.err.println("Parse error at "
+ + b.getSymbolicName() + "/adapters.xml" +
+ " line " + exception.getLineNumber() +
+ " column " + exception.getColumnNumber() + ":");
+ System.err.println(exception.getMessage());
+ }
+
+ @Override
+ public void fatalError(SAXParseException exception)
+ throws SAXException {
+ error(exception);
+ }
+
+ @Override
+ public void warning(SAXParseException exception)
+ throws SAXException {
+ error(exception);
+ }
+
+ });
+
+ //System.out.println("bundle=" + b.getSymbolicName());
+ String text = FileUtils.getContents(file);
+ text = OntologyVersions.getInstance().currentVersion(text);
+ StringReader reader = new StringReader( text );
+ InputSource inputSource = new InputSource( reader );
+ Document doc = builder.parse( inputSource );
+ reader.close();
+ handleAdaptersDocument(loader(b), doc, fileName);
+ } catch (Exception e) {
+ handleException(e, fileName);
+
+ }
+ }
+ }
+ } catch (Exception e) {
+ handleException(e, "(no file name available)");
+ }
+ }
+
+ interface Loader {
+ Class<?> loadClass(String name) throws ClassNotFoundException ;
+ Bundle getBundle();
+ }
+
+ private Loader loader(final Bundle b) {
+ return new Loader() {
+
+ @Override
+ public Class<?> loadClass(String name) throws ClassNotFoundException {
+ return b.loadClass(name);
+ }
+
+ @Override
+ public Bundle getBundle() {
+ return b;
+ }
+
+ };
+ }
+
+ private Loader loader(final ClassLoader b) {
+ return new Loader() {
+
+ @Override
+ public Class<?> loadClass(String name) throws ClassNotFoundException {
+ return b.loadClass(name);
+ }
+
+ @Override
+ public Bundle getBundle() {
+ return null;
+ }
+
+ };
+ }
+
+}