List of usage examples for org.jdom2 Document Document
public Document()
From source file:org.openflexo.foundation.fml.rm.ViewPointResourceImpl.java
License:Open Source License
private static void convertDiagramSpecification16ToVirtualModel17(File file, Document diagram, List<File> oldPaletteFiles, List<File> oldExampleDiagramFiles, ViewPointResource viewPointResource) { // Create the diagram specification and a virtual model with a diagram typed model slot referencing this diagram specification final String ADDRESSED_DIAGRAM_MODEL_SLOT = "AddressedDiagramModelSlot"; final String MODELSLOT_VIRTUAL_MODEL_MODEL_SLOT = "ModelSlot_VirtualModelModelSlot"; final String MODELSLOT_TYPED_DIAGRAM_MODEL_SLOT = "ModelSlot_TypedDiagramModelSlot"; try {//ww w . j a v a2s . c o m String diagramName = file.getName().replace(".xml", ""); // Create a folder that contains the diagram specification File diagramSpecificationFolder = new File( file.getParentFile() + "/" + diagramName + ".diagramspecification"); diagramSpecificationFolder.mkdir(); // Retrieve diagram drop schemes Iterator<Element> dropSchemeElements = diagram.getDescendants(new ElementFilter("DropScheme")); List<Element> dropSchemes = IteratorUtils.toList(dropSchemeElements); // Retrieve Diagram Model slots references Iterator<? extends Content> thisModelSlotsIterator = diagram.getDescendants( new ElementFilter("DiagramModelSlot").or(new ElementFilter(ADDRESSED_DIAGRAM_MODEL_SLOT))); List<Element> thisModelSlots = IteratorUtils.toList(thisModelSlotsIterator); // Retrieve the DiagramModelSlot (this), and transform it to a virtual model slot with a virtual model uri int thisID = 0; String newThisUri = viewPointResource.getURI() + "/" + diagramName; String diagramSpecificationURI = newThisUri + "/" + diagramName + ".diagramspecification"; Element typedDiagramModelSlot = null; boolean foundThis = false; for (Element thisMs : thisModelSlots) { // Retriev the ID and URI of this DiagramModelSlot if (thisMs.getAttribute("name") != null && thisMs.getAttributeValue("name").equals("this") && !foundThis) { // Store its ID and its URI thisID = thisMs.getAttribute("id").getIntValue(); if (thisMs.getAttributeValue("virtualModelURI") != null) { newThisUri = thisMs.getAttributeValue("virtualModelURI"); thisMs.removeAttribute("virtualModelURI"); thisMs.removeAttribute("name"); thisMs.getAttribute("id").setName("idref"); thisMs.setAttribute("idref", Integer.toString(thisID)); } // Replace by a Typed model slot typedDiagramModelSlot = new Element(MODELSLOT_TYPED_DIAGRAM_MODEL_SLOT); typedDiagramModelSlot.setAttribute("metaModelURI", diagramSpecificationURI); typedDiagramModelSlot.setAttribute("name", "typedDiagramModelSlot"); typedDiagramModelSlot.setAttribute("id", Integer.toString(computeNewID(diagram))); foundThis = true; } } // Replace the Diagram Model Slot by a Virtual Model Model slot for (Element thisMs : thisModelSlots) { if (hasSameID(thisMs, thisID) && thisMs.getName().equals("DiagramModelSlot")) { thisMs.setName("FMLRTModelSlot"); thisMs.getAttributes().add(new Attribute("virtualModelURI", newThisUri)); thisMs.getAttributes().add(new Attribute("name", "virtualModelInstance")); thisMs.getAttributes().add(new Attribute("id", Integer.toString(thisID))); thisMs.removeAttribute("idref"); } } // Update ids for all model slots Iterator<? extends Content> diagramModelSlotsIterator = diagram.getDescendants( new ElementFilter("DiagramModelSlot").or(new ElementFilter(ADDRESSED_DIAGRAM_MODEL_SLOT))); List<Element> thisDiagramModelSlots = IteratorUtils.toList(diagramModelSlotsIterator); for (Element diagramMs : thisDiagramModelSlots) { if (diagramMs.getAttribute("id") != null && typedDiagramModelSlot != null) { diagramMs.setAttribute("id", typedDiagramModelSlot.getAttributeValue("id")); } if (diagramMs.getAttribute("idref") != null) { // Change to TypedDiagramModelSlot if (diagramMs.getParentElement().getName().equals("AddShape") || diagramMs.getParentElement().getName().equals("AddConnector") || diagramMs.getParentElement().getName().equals("AddDiagram") || diagramMs.getParentElement().getName().equals("ContainedShapePatternRole") || diagramMs.getParentElement().getName().equals("ContainedConnectorPatternRole") || diagramMs.getParentElement().getName().equals("ContainedDiagramPatternRole")) { if (typedDiagramModelSlot.getAttributeValue("id") != null) { diagramMs.setAttribute("idref", typedDiagramModelSlot.getAttributeValue("id")); diagramMs.setName("TypedDiagramModelSlot"); } } else { diagramMs.setName(MODELSLOT_VIRTUAL_MODEL_MODEL_SLOT); } } } for (Content content : diagram.getDescendants()) { if (content instanceof Element) { Element element = (Element) content; if (element.getName().equals("AddShape") || element.getName().equals("AddConnector") || element.getName().equals("AddDiagram")) { if (element.getChild("TypedDiagramModelSlot") == null && element.getChild("AddressedDiagramModelSlot") == null) { Element adressedMsElement = new Element("TypedDiagramModelSlot"); Attribute newIdRefAttribute = new Attribute("idref", typedDiagramModelSlot.getAttributeValue("id")); adressedMsElement.getAttributes().add(newIdRefAttribute); element.addContent(adressedMsElement); } } } } // Update DiagramSpecification URI for (Content content : diagram.getDescendants()) { if (content instanceof Element) { Element element = (Element) content; if (element.getAttribute("diagramSpecificationURI") != null) { String oldDiagramSpecificationUri = element.getAttributeValue("diagramSpecificationURI"); String diagramSpecificationName = oldDiagramSpecificationUri .substring(oldDiagramSpecificationUri.lastIndexOf("/")); String newDiagramSpecificationUri = oldDiagramSpecificationUri + diagramSpecificationName + ".diagramspecification"; element.getAttribute("diagramSpecificationURI").setValue(newDiagramSpecificationUri); } } } // Change all the "diagram" binding with "this", and "toplevel" with typedDiagramModelSlot.topLevel" in case of not // DropSchemeAction for (Content content : diagram.getDescendants()) { if (content instanceof Element) { Element element = (Element) content; for (Attribute attribute : element.getAttributes()) { if (attribute.getValue().startsWith("diagram")) { attribute.setValue(attribute.getValue().replace("diagram", "this")); } if (attribute.getValue().startsWith("topLevel")) { boolean diagramScheme = false; Element parentElement = element.getParentElement(); while (parentElement != null) { if (parentElement.getName().equals("DropScheme") || parentElement.getName().equals("LinkScheme")) { diagramScheme = true; } parentElement = parentElement.getParentElement(); } if (!diagramScheme) { attribute.setValue(attribute.getValue().replace("topLevel", "virtualModelInstance.typedDiagramModelSlot")); } } } } } // Create the diagram specificaion xml file File diagramSpecificationFile = new File(diagramSpecificationFolder, file.getName()); Document diagramSpecification = new Document(); Element rootElement = new Element("DiagramSpecification"); Attribute name = new Attribute("name", diagramName); Attribute diagramSpecificationURIAttribute = new Attribute("uri", diagramSpecificationURI); diagramSpecification.addContent(rootElement); rootElement.getAttributes().add(name); rootElement.getAttributes().add(diagramSpecificationURIAttribute); XMLUtils.saveXMLFile(diagramSpecification, diagramSpecificationFile); // Copy the palette files inside diagram specification repository ArrayList<File> newPaletteFiles = new ArrayList<File>(); for (File paletteFile : oldPaletteFiles) { File newFile = new File(diagramSpecificationFolder + "/" + paletteFile.getName()); FileUtils.rename(paletteFile, newFile); newPaletteFiles.add(newFile); Document palette = XMLUtils.readXMLFile(newFile); Attribute diagramSpecUri = new Attribute("diagramSpecificationURI", diagramSpecificationURI); palette.getRootElement().getAttributes().add(diagramSpecUri); convertNames16ToNames17(palette); XMLUtils.saveXMLFile(palette, newFile); } // Copy the example diagram files inside diagram specification repository ArrayList<File> newExampleDiagramFiles = new ArrayList<File>(); for (File exampleDiagramFile : oldExampleDiagramFiles) { File newFile = new File(diagramSpecificationFolder + "/" + exampleDiagramFile.getName()); FileUtils.rename(exampleDiagramFile, newFile); newExampleDiagramFiles.add(newFile); Document exampleDiagram = XMLUtils.readXMLFile(newFile); exampleDiagram.getRootElement().setAttribute("uri", diagramSpecificationURI + "/" + exampleDiagram.getRootElement().getAttributeValue("name")); Attribute diagramSpecUri = new Attribute("diagramSpecificationURI", diagramSpecificationURI); exampleDiagram.getRootElement().getAttributes().add(diagramSpecUri); exampleDiagram.getRootElement().setAttribute("uri", diagramSpecificationURI + "/" + exampleDiagram.getRootElement().getAttributeValue("name")); convertNames16ToNames17(exampleDiagram); XMLUtils.saveXMLFile(exampleDiagram, newFile); } // Update the diagram palette element bindings ArrayList<Element> paletteElementBindings = new ArrayList<Element>(); for (File paletteFile : newPaletteFiles) { Document palette = XMLUtils.readXMLFile(paletteFile); String paletteUri = diagramSpecificationURI + "/" + palette.getRootElement().getAttribute("name").getValue() + ".palette"; Iterator<? extends Content> paletteElements = palette .getDescendants(new ElementFilter("DiagramPaletteElement")); while (paletteElements.hasNext()) { Element paletteElement = (Element) paletteElements.next(); Element binding = createPaletteElementBinding(paletteElement, paletteUri, dropSchemes); if (binding != null) { paletteElementBindings.add(binding); } } XMLUtils.saveXMLFile(palette, paletteFile); } // Add the Palette Element Bindings to the TypedDiagramModelSlot if (!paletteElementBindings.isEmpty()) { typedDiagramModelSlot.addContent(paletteElementBindings); } if (typedDiagramModelSlot != null) { diagram.getRootElement().addContent(typedDiagramModelSlot); } // Update names convertNames16ToNames17(diagram); convertOldNameToNewNames("DiagramSpecification", "VirtualModel", diagram); // Save the files XMLUtils.saveXMLFile(diagram, file); } catch (JDOMException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
From source file:org.openflexo.foundation.viewpoint.rm.ViewPointResourceImpl.java
License:Open Source License
private static void convertDiagramSpecification16ToVirtualModel17(File file, Document diagram, List<File> oldPaletteFiles, List<File> oldExampleDiagramFiles, ViewPointResource viewPointResource) { // Create the diagram specification and a virtual model with a diagram typed model slot referencing this diagram specification final String ADDRESSED_DIAGRAM_MODEL_SLOT = "AddressedDiagramModelSlot"; final String MODELSLOT_VIRTUAL_MODEL_MODEL_SLOT = "ModelSlot_VirtualModelModelSlot"; final String MODELSLOT_TYPED_DIAGRAM_MODEL_SLOT = "ModelSlot_TypedDiagramModelSlot"; try {// ww w . j a v a 2s . c o m String diagramName = file.getName().replace(".xml", ""); // Create a folder that contains the diagram specification File diagramSpecificationFolder = new File( file.getParentFile() + "/" + diagramName + ".diagramspecification"); diagramSpecificationFolder.mkdir(); // Retrieve diagram drop schemes Iterator<Element> dropSchemeElements = diagram.getDescendants(new ElementFilter("DropScheme")); List<Element> dropSchemes = IteratorUtils.toList(dropSchemeElements); // Retrieve Diagram Model slots references Iterator<? extends Content> thisModelSlotsIterator = diagram.getDescendants( new ElementFilter("DiagramModelSlot").or(new ElementFilter(ADDRESSED_DIAGRAM_MODEL_SLOT))); List<Element> thisModelSlots = IteratorUtils.toList(thisModelSlotsIterator); // Retrieve the DiagramModelSlot (this), and transform it to a virtual model slot with a virtual model uri int thisID = 0; String newThisUri = viewPointResource.getURI() + "/" + diagramName; String diagramSpecificationURI = newThisUri + "/" + diagramName + ".diagramspecification"; Element typedDiagramModelSlot = null; boolean foundThis = false; for (Element thisMs : thisModelSlots) { // Retriev the ID and URI of this DiagramModelSlot if (thisMs.getAttribute("name") != null && thisMs.getAttributeValue("name").equals("this") && !foundThis) { // Store its ID and its URI thisID = thisMs.getAttribute("id").getIntValue(); if (thisMs.getAttributeValue("virtualModelURI") != null) { newThisUri = thisMs.getAttributeValue("virtualModelURI"); thisMs.removeAttribute("virtualModelURI"); thisMs.removeAttribute("name"); thisMs.getAttribute("id").setName("idref"); thisMs.setAttribute("idref", Integer.toString(thisID)); } // Replace by a Typed model slot typedDiagramModelSlot = new Element(MODELSLOT_TYPED_DIAGRAM_MODEL_SLOT); typedDiagramModelSlot.setAttribute("metaModelURI", diagramSpecificationURI); typedDiagramModelSlot.setAttribute("name", "typedDiagramModelSlot"); typedDiagramModelSlot.setAttribute("id", Integer.toString(computeNewID(diagram))); foundThis = true; } } // Replace the Diagram Model Slot by a Virtual Model Model slot for (Element thisMs : thisModelSlots) { if (hasSameID(thisMs, thisID) && thisMs.getName().equals("DiagramModelSlot")) { thisMs.setName("VirtualModelModelSlot"); thisMs.getAttributes().add(new Attribute("virtualModelURI", newThisUri)); thisMs.getAttributes().add(new Attribute("name", "virtualModelInstance")); thisMs.getAttributes().add(new Attribute("id", Integer.toString(thisID))); thisMs.removeAttribute("idref"); } } // Update ids for all model slots Iterator<? extends Content> diagramModelSlotsIterator = diagram.getDescendants( new ElementFilter("DiagramModelSlot").or(new ElementFilter(ADDRESSED_DIAGRAM_MODEL_SLOT))); List<Element> thisDiagramModelSlots = IteratorUtils.toList(diagramModelSlotsIterator); for (Element diagramMs : thisDiagramModelSlots) { if (diagramMs.getAttribute("id") != null && typedDiagramModelSlot != null) { diagramMs.setAttribute("id", typedDiagramModelSlot.getAttributeValue("id")); } if (diagramMs.getAttribute("idref") != null) { // Change to TypedDiagramModelSlot if (diagramMs.getParentElement().getName().equals("AddShape") || diagramMs.getParentElement().getName().equals("AddConnector") || diagramMs.getParentElement().getName().equals("AddDiagram") || diagramMs.getParentElement().getName().equals("ContainedShapePatternRole") || diagramMs.getParentElement().getName().equals("ContainedConnectorPatternRole") || diagramMs.getParentElement().getName().equals("ContainedDiagramPatternRole")) { if (typedDiagramModelSlot.getAttributeValue("id") != null) { diagramMs.setAttribute("idref", typedDiagramModelSlot.getAttributeValue("id")); diagramMs.setName("TypedDiagramModelSlot"); } } else { diagramMs.setName(MODELSLOT_VIRTUAL_MODEL_MODEL_SLOT); } } } for (Content content : diagram.getDescendants()) { if (content instanceof Element) { Element element = (Element) content; if (element.getName().equals("AddShape") || element.getName().equals("AddConnector") || element.getName().equals("AddDiagram")) { if (element.getChild("TypedDiagramModelSlot") == null && element.getChild("AddressedDiagramModelSlot") == null) { Element adressedMsElement = new Element("TypedDiagramModelSlot"); Attribute newIdRefAttribute = new Attribute("idref", typedDiagramModelSlot.getAttributeValue("id")); adressedMsElement.getAttributes().add(newIdRefAttribute); element.addContent(adressedMsElement); } } } } // Update DiagramSpecification URI for (Content content : diagram.getDescendants()) { if (content instanceof Element) { Element element = (Element) content; if (element.getAttribute("diagramSpecificationURI") != null) { String oldDiagramSpecificationUri = element.getAttributeValue("diagramSpecificationURI"); String diagramSpecificationName = oldDiagramSpecificationUri .substring(oldDiagramSpecificationUri.lastIndexOf("/")); String newDiagramSpecificationUri = oldDiagramSpecificationUri + diagramSpecificationName + ".diagramspecification"; element.getAttribute("diagramSpecificationURI").setValue(newDiagramSpecificationUri); } } } // Change all the "diagram" binding with "this", and "toplevel" with typedDiagramModelSlot.topLevel" in case of not // DropSchemeAction for (Content content : diagram.getDescendants()) { if (content instanceof Element) { Element element = (Element) content; for (Attribute attribute : element.getAttributes()) { if (attribute.getValue().startsWith("diagram")) { attribute.setValue(attribute.getValue().replace("diagram", "this")); } if (attribute.getValue().startsWith("topLevel")) { boolean diagramScheme = false; Element parentElement = element.getParentElement(); while (parentElement != null) { if (parentElement.getName().equals("DropScheme") || parentElement.getName().equals("LinkScheme")) { diagramScheme = true; } parentElement = parentElement.getParentElement(); } if (!diagramScheme) { attribute.setValue(attribute.getValue().replace("topLevel", "virtualModelInstance.typedDiagramModelSlot")); } } } } } // Create the diagram specificaion xml file File diagramSpecificationFile = new File(diagramSpecificationFolder, file.getName()); Document diagramSpecification = new Document(); Element rootElement = new Element("DiagramSpecification"); Attribute name = new Attribute("name", diagramName); Attribute diagramSpecificationURIAttribute = new Attribute("uri", diagramSpecificationURI); diagramSpecification.addContent(rootElement); rootElement.getAttributes().add(name); rootElement.getAttributes().add(diagramSpecificationURIAttribute); XMLUtils.saveXMLFile(diagramSpecification, diagramSpecificationFile); // Copy the palette files inside diagram specification repository ArrayList<File> newPaletteFiles = new ArrayList<File>(); for (File paletteFile : oldPaletteFiles) { File newFile = new File(diagramSpecificationFolder + "/" + paletteFile.getName()); FileUtils.rename(paletteFile, newFile); newPaletteFiles.add(newFile); Document palette = XMLUtils.readXMLFile(newFile); Attribute diagramSpecUri = new Attribute("diagramSpecificationURI", diagramSpecificationURI); palette.getRootElement().getAttributes().add(diagramSpecUri); convertNames16ToNames17(palette); XMLUtils.saveXMLFile(palette, newFile); } // Copy the example diagram files inside diagram specification repository ArrayList<File> newExampleDiagramFiles = new ArrayList<File>(); for (File exampleDiagramFile : oldExampleDiagramFiles) { File newFile = new File(diagramSpecificationFolder + "/" + exampleDiagramFile.getName()); FileUtils.rename(exampleDiagramFile, newFile); newExampleDiagramFiles.add(newFile); Document exampleDiagram = XMLUtils.readXMLFile(newFile); exampleDiagram.getRootElement().setAttribute("uri", diagramSpecificationURI + "/" + exampleDiagram.getRootElement().getAttributeValue("name")); Attribute diagramSpecUri = new Attribute("diagramSpecificationURI", diagramSpecificationURI); exampleDiagram.getRootElement().getAttributes().add(diagramSpecUri); exampleDiagram.getRootElement().setAttribute("uri", diagramSpecificationURI + "/" + exampleDiagram.getRootElement().getAttributeValue("name")); convertNames16ToNames17(exampleDiagram); XMLUtils.saveXMLFile(exampleDiagram, newFile); } // Update the diagram palette element bindings ArrayList<Element> paletteElementBindings = new ArrayList<Element>(); for (File paletteFile : newPaletteFiles) { Document palette = XMLUtils.readXMLFile(paletteFile); String paletteUri = diagramSpecificationURI + "/" + palette.getRootElement().getAttribute("name").getValue() + ".palette"; Iterator<? extends Content> paletteElements = palette .getDescendants(new ElementFilter("DiagramPaletteElement")); while (paletteElements.hasNext()) { Element paletteElement = (Element) paletteElements.next(); Element binding = createPaletteElementBinding(paletteElement, paletteUri, dropSchemes); if (binding != null) { paletteElementBindings.add(binding); } } XMLUtils.saveXMLFile(palette, paletteFile); } // Add the Palette Element Bindings to the TypedDiagramModelSlot if (!paletteElementBindings.isEmpty()) { typedDiagramModelSlot.addContent(paletteElementBindings); } if (typedDiagramModelSlot != null) { diagram.getRootElement().addContent(typedDiagramModelSlot); } // Update names convertNames16ToNames17(diagram); convertOldNameToNewNames("DiagramSpecification", "VirtualModel", diagram); // Save the files XMLUtils.saveXMLFile(diagram, file); } catch (JDOMException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
From source file:org.opengroup.archimate.xmlexchange.XMLModelExporter.java
License:Open Source License
/** * @return A JDOM Document */ Document createDocument() { return new Document(); }
From source file:org.openkennel.model.filemngr.XMLFileHandler.java
License:Open Source License
/** * Creates a XMLFileHandler to handle specific XML files. */// w w w . jav a2 s. c o m public XMLFileHandler() { docBuilder = new SAXBuilder(); xmlRoot = null; xmlFile = new Document(); }
From source file:org.optaconf.benchmark.examples.common.persistence.AbstractXmlSolutionExporter.java
License:Apache License
public void writeSolution(Solution solution, File outputFile) { OutputStream out = null;// www . j ava2s . c o m try { out = new FileOutputStream(outputFile); Document document = new Document(); XmlOutputBuilder xmlOutputBuilder = createXmlOutputBuilder(); xmlOutputBuilder.setDocument(document); xmlOutputBuilder.setSolution(solution); xmlOutputBuilder.writeSolution(); XMLOutputter outputter = new XMLOutputter(Format.getPrettyFormat()); outputter.output(document, out); } catch (IOException e) { throw new IllegalArgumentException("Could not write the file (" + outputFile.getName() + ").", e); } catch (JDOMException e) { throw new IllegalArgumentException("Could not format the XML file (" + outputFile.getName() + ").", e); } finally { IOUtils.closeQuietly(out); } logger.info("Exported: {}", outputFile); }
From source file:org.polago.deployconf.DeploymentWriter.java
License:Open Source License
/** * Write the given DeploymentConfig to persistent storage. * * @param deploymentConfig the DeploymentConfig to persist * @throws IOException indicating IO problems *//*from w w w.j a v a 2 s . co m*/ public void persist(DeploymentConfig deploymentConfig) throws IOException { Format format = Format.getPrettyFormat(); format.setLineSeparator(LineSeparator.UNIX); format.setExpandEmptyElements(true); XMLOutputter outputter = new XMLOutputter(format); Element root = new Element(DOM_ROOT); String name = deploymentConfig.getName(); if (name != null) { root.setAttribute(ATTR_NAME, name); } Document document = new Document(); document.setRootElement(root); for (Task task : deploymentConfig.getTasks()) { Element node = new Element(task.getSerializedName()); root.addContent(node); task.serialize(node, groupManager); } outputter.output(document, outputStream); }
From source file:org.t3.metamediamanager.FieldsConfig.java
License:Apache License
public FieldsConfig(String baseName) { String filename = M3Config.getInstance().getUserConfDirectory() + baseName + ".xml"; _configFile = new File(filename); if (!_configFile.exists()) M3Config.getInstance().copyResourceToUserDir(baseName + ".xml", baseName + ".xml"); Document document = new Document(); Element root;//from ww w. j a v a 2s.co m //On cre une instance de SAXBuilder SAXBuilder sxb = new SAXBuilder(); try { //On cre un nouveau document JDOM avec en argument le fichier XML //Le parsing est termin ;) document = sxb.build(_configFile); } catch (Exception e) { System.out.println("Erreur lors de l'ouverture du fichier de configuration de " + baseName); } //On initialise un nouvel lment racine avec l'lment racine du document. root = document.getRootElement(); //Remplissage des paramtres de provider List<Element> listFields = root.getChildren("field"); Iterator<Element> i2 = listFields.iterator(); while (i2.hasNext()) { Element currentField = i2.next(); _fieldsAssociation.put(currentField.getAttributeValue("name"), currentField.getAttributeValue("markup")); } }
From source file:org.xflatdb.xflat.convert.converters.JavaBeansPojoConverter.java
License:Apache License
private static <U> Converter<Element, U> getDecoder(Class<U> clazz) { return new Converter<Element, U>() { final String version = System.getProperty("java.version"); @Override// w w w.jav a 2 s . co m public U convert(Element source) throws ConversionException { byte[] bytes; try (ByteArrayOutputStream os = new ByteArrayOutputStream()) { Document doc = new Document(); doc.setRootElement(new Element("java").setAttribute("version", version).setAttribute("class", "java.beans.XMLDecoder")); doc.getRootElement().addContent(source.detach()); XMLOutputter outputter = new XMLOutputter(); outputter.output(doc, os); bytes = os.toByteArray(); } catch (IOException ex) { throw new ConversionException("Error reading object of class " + source.getClass(), ex); } try (ByteArrayInputStream is = new ByteArrayInputStream(bytes)) { try (XMLDecoder decoder = new XMLDecoder(is)) { return (U) decoder.readObject(); } } catch (IOException ex) { throw new ConversionException("Error reading object of class " + source.getClass(), ex); } } }; }
From source file:org.xflatdb.xflat.db.TableMetadataFactory.java
License:Apache License
/** * Saves the given metadata to disk.//w ww. j ava2s .co m * @param metadata The metadata to save. * @throws IOException */ public void saveTableMetadata(TableMetadata metadata) throws IOException { Document doc = new Document(); doc.setRootElement(new Element("metadata", XFlatConstants.xFlatNs)); //save config if (metadata.config != null) { Element cfg; try { cfg = TableConfig.ToElementConverter.convert(metadata.config); } catch (ConversionException ex) { throw new XFlatException("Cannot serialize table metadata", ex); } doc.getRootElement().addContent(cfg); } //save generator if (metadata.idGenerator != null) { Element g = new Element("generator", XFlatConstants.xFlatNs); g.setAttribute("class", metadata.idGenerator.getClass().getName(), XFlatConstants.xFlatNs); metadata.idGenerator.saveState(g); doc.getRootElement().addContent(g); } //save engine Element e = metadata.engineMetadata.clone(); doc.getRootElement().addContent(e); this.wrapper.writeFile(metadata.name + ".config.xml", doc); }
From source file:org.xflatdb.xflat.engine.CachedDocumentEngine.java
License:Apache License
/** * Dumps the cache immediately, on this thread. * @param required true if a dump is absolutely required, false to allow this * method to choose not to dump if it feels that a dump is unnecessary. */// w w w. j ava 2s . com private void dumpCacheNow(boolean required) { synchronized (dumpSyncRoot) { if (!required && lastModified.get() < lastDump.get()) { //no need to dump return; } long lastDump = System.currentTimeMillis(); Document doc = new Document(); Element root = new Element("table", XFlatConstants.xFlatNs).setAttribute("name", this.getTableName(), XFlatConstants.xFlatNs); doc.setRootElement(root); for (Row row : this.cache.values()) { synchronized (row) { Element rowEl = null; int nonDeleteData = 0; //put ALL committed data to disk, even some that might otherwise //be cleaned up, because we may be in the process of committing //one of N engines and will need all previous values if we revert. for (RowData rData : row.rowData.values()) { if (rData == null) continue; if (rData.commitId == -1) //uncommitted data is not put to disk continue; if (rowEl == null) { rowEl = new Element("row", XFlatConstants.xFlatNs); setId(rowEl, row.rowId); } Element dataEl; if (rData.data == null) { //the data was deleted - make sure we mark that on the row dataEl = new Element("delete", XFlatConstants.xFlatNs); } else { dataEl = rData.data.clone(); nonDeleteData++; } dataEl.setAttribute("tx", Long.toString(rData.transactionId, TRANSACTION_ID_RADIX), XFlatConstants.xFlatNs); dataEl.setAttribute("commit", Long.toString(rData.commitId, TRANSACTION_ID_RADIX), XFlatConstants.xFlatNs); rowEl.addContent(dataEl); } //doublecheck - only write out an element if there's actually //any data to write. Delete marker elements don't count. if (rowEl != null && nonDeleteData > 0) { root.addContent(rowEl); } } } try { this.file.writeFile(doc); } catch (FileNotFoundException ex) { //this is a transient issue that may be caused by another process opening the file quickly, //the message is generally "The requested operation cannot be performed on a file with a user-mapped section open" int failures = dumpFailures.incrementAndGet(); if (failures > 3) throw new XFlatException("Unable to dump cache to file", ex); try { Thread.sleep(50); } catch (InterruptedException interruptedEx) { } //try again dumpCacheNow(required); return; } catch (Exception ex) { dumpFailures.incrementAndGet(); throw new XFlatException("Unable to dump cache to file", ex); } finally { scheduledDump.set(null); this.lastDump.set(lastDump); } //success! dumpFailures.set(0); } }