/** * This method retrieves an xml document from the database based on its resource identifier. The * document is returned as an org.w3c.dom.Document. * * @param collection The name of the collection to look for the document. * @param resourceId The resource identifier of the document to be retrieved. * @param username The identifier of the user calling the method used for authentication. * @param password The password of the user calling the method used for authentication. * @return The xml document retrieved as an org.w3c.dom.Document. */ public Document retrieveDocument( String collection, String resourceId, String username, String password) { Document doc = null; try { // initialize database driver Class cl = Class.forName(_driver); Database database = (Database) cl.newInstance(); DatabaseManager.registerDatabase(database); // get the collection Collection col = DatabaseManager.getCollection(_URI + collection, username, password); col.setProperty(OutputKeys.INDENT, "no"); XMLResource res = (XMLResource) col.getResource(resourceId); if (res == null) System.out.println("document not found!"); else { doc = (Document) (res.getContentAsDOM()).getOwnerDocument(); } } catch (Exception e) { e.printStackTrace(); } return doc; }
/* (non-Javadoc) * @see org.apache.tools.ant.Task#execute() */ public void execute() throws BuildException { if (uri == null) throw new BuildException("You have to specify an XMLDB collection URI"); if (resource == null && collection == null) throw new BuildException( "Missing parameter: either resource or collection should be specified"); registerDatabase(); try { log("Get base collection: " + uri, Project.MSG_DEBUG); Collection base = DatabaseManager.getCollection(uri, user, password); if (base == null) { throw new BuildException("Collection " + uri + " could not be found."); } log( "Create collection management service for collection " + base.getName(), Project.MSG_DEBUG); CollectionManagementServiceImpl service = (CollectionManagementServiceImpl) base.getService("CollectionManagementService", "1.0"); if (resource != null) { log("Copying resource: " + resource, Project.MSG_INFO); Resource res = base.getResource(resource); if (res == null) throw new BuildException("Resource " + resource + " not found."); service.copyResource(resource, destination, name); } else { log("Copying collection: " + collection, Project.MSG_INFO); service.copy(collection, destination, name); } } catch (XMLDBException e) { throw new BuildException("XMLDB exception during remove: " + e.getMessage(), e); } }
public final void testDropResourceRoot() throws Exception { Collection author = this.dbColl.getChildCollection("vcl-data/author"); Collection vcoll = this.dbColl.getChildCollection("vcl-data/myvc"); int size = vcoll.getResourceCount(); Resource res = author.getResource("author.4.manuel.xml"); author.removeResource(res); assertEquals(size - 1, vcoll.getResourceCount()); }
public final void testDropResourceSubset() throws Exception { Collection article = this.dbColl.getChildCollection("vcl-data/article"); int size = article.getResourceCount(); Resource r = article.getResource("article.from.manuel.xml"); // Just do it if the resource exists. if (r != null) { article.removeResource(r); assertEquals(size - 1, article.getResourceCount()); } }
public final void testDropVirtualResourceFail() throws Exception { Collection vcoll = this.dbColl.getChildCollection("vcl-data/myvc"); String[] names = vcoll.listResources(); for (int i = 0; i < names.length; i++) { Resource res = vcoll.getResource(names[i]); assertTrue( "Expected instance of VirtualResource and not " + res.getClass(), res instanceof VirtualResource); try { vcoll.removeResource(res); assertTrue("Cannot delete a VirtualResource.", false); } catch (XMLDBException e) { assertTrue( "Expected errorCode.INVALID_COLLECTION", e.errorCode == ErrorCodes.INVALID_COLLECTION); } } }
private void insertTags() throws Exception { XUpdateQueryService service = (XUpdateQueryService) testCol.getService("XUpdateQueryService", "1.0"); XPathQueryService xquery = (XPathQueryService) testCol.getService("XPathQueryService", "1.0"); String[] tagsWritten = new String[RUNS]; for (int i = 0; i < RUNS; i++) { String tag = tags[i]; String parent; if (i > 0 && rand.nextInt(100) < 70) { parent = "//" + tagsWritten[rand.nextInt(i) / 2]; } else parent = "/root"; String xupdate = "<xupdate:modifications version=\"1.0\" xmlns:xupdate=\"http://www.xmldb.org/xupdate\">" + "<xupdate:append select=\"" + parent + "\">" + "<xupdate:element name=\"" + tag + "\"/>" + "</xupdate:append>" + "</xupdate:modifications>"; long mods = service.updateResource("test.xml", xupdate); System.out.println("Inserted " + tag + ": " + mods + " ; parent = " + parent); assertEquals(mods, 1); tagsWritten[i] = tag; String query = "//" + tagsWritten[rand.nextInt(i + 1)]; ResourceSet result = xquery.query(query); assertEquals(result.getSize(), 1); System.out.println(result.getResource(0).getContent()); } XMLResource res = (XMLResource) testCol.getResource("test.xml"); assertNotNull(res); System.out.println(res.getContent()); }
/** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); try { // Identify Sources String path = getServletContext().getRealPath("/WEB-INF/"); String XMLFileName = path + "/Home.xml"; String XSLFileName = path + "/Home.xsl"; StreamSource XMLSource = new StreamSource(XMLFileName); StreamSource XSLSource = new StreamSource(XSLFileName); String URI = "xmldb:exist://localhost:8444/exist/xmlrpc"; String driver = "org.exist.xmldb.DatabaseImpl"; XMLResource res = null; Node resNode = null; Document doc = null; try { Class cl = Class.forName(driver); Database database = (Database) cl.newInstance(); DatabaseManager.registerDatabase(database); // get the collection Collection col = DatabaseManager.getCollection(URI + "/db/AnswerQuest", "admin", "password"); col.setProperty(OutputKeys.INDENT, "no"); res = (XMLResource) col.getResource("Home.xml"); resNode = res.getContentAsDOM(); doc = (Document) resNode; } catch (Exception e) { System.err.println("Error Document: " + e.getMessage()); } DOMSource origDocSource = new DOMSource(doc); // Identify Result StreamResult homeOutput = new StreamResult(out); // Create TransformerFactory TransformerFactory xFactory = TransformerFactory.newInstance(); // Create Transformer Transformer optimusPrime = xFactory.newTransformer(XSLSource); // Apply transform optimusPrime.transform(XMLSource, homeOutput); } catch (TransformerConfigurationException ex) { System.out.println("Encountered TransformerConfiguration Error: " + ex.getMessage()); } catch (TransformerException ex) { System.out.println("Encountered Transformer Error: " + ex.getMessage()); } finally { out.close(); } }
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); String URI = "xmldb:exist://localhost:8444/exist/xmlrpc"; String driver = "org.exist.xmldb.DatabaseImpl"; XMLResource res = null; Node resNode = null; Document doc = null; String path = getServletContext().getRealPath("/"); String XSLFileName = path + "/Slideshow.xsl"; File XslFile = new File(XSLFileName); String name; String rating; try { name = request.getParameter("name"); rating = request.getParameter("rating"); if (name == null) { name = ""; } if (rating == null) { rating = ""; } } catch (Exception e) { name = ""; rating = ""; } try { Class cl = Class.forName(driver); Database database = (Database) cl.newInstance(); DatabaseManager.registerDatabase(database); // get the collection Collection col = DatabaseManager.getCollection(URI + "/db/Project", "admin", "password"); XQueryService service = (XQueryService) col.getService("XQueryService", "1.0"); XQueryService another = (XQueryService) col.getService("XQueryService", "1.0"); service.setProperty("indent", "yes"); another.setProperty("indent", "yes"); String queryString = ""; if (!(rating.equals(""))) { service.declareVariable("rating", ""); queryString = "for $rating in //app//name[text()='" + name + "']/../rating " + "return update replace $rating with <rating>" + rating + "</rating>"; service.query(queryString); } col.setProperty(OutputKeys.INDENT, "no"); res = (XMLResource) col.getResource("Review.xml"); resNode = res.getContentAsDOM(); doc = (Document) resNode; } catch (Exception e) { System.err.println("Error Document: " + e.getMessage()); } DOMSource origDocSource = new DOMSource(doc); try { TransformerFactory transformerFactory = TransformerFactory.newInstance(); StreamSource stylesheet = new StreamSource(XslFile); Transformer transformer = transformerFactory.newTransformer(stylesheet); NodeList appNodes = doc.getElementsByTagName("name"); int numEvent = appNodes.getLength(); String prev; String next; for (int i = 0; i < numEvent; i++) { Node eventNode = appNodes.item(i); NodeList eventNodeListChildren = eventNode.getChildNodes(); Node eventTextNode = eventNodeListChildren.item(0); String appname = eventTextNode.getNodeValue(); if (name.equals(appname)) { if (i != 0) { prev = appNodes.item(i - 1).getChildNodes().item(0).getNodeValue(); } else { prev = appNodes.item(numEvent - 1).getChildNodes().item(0).getNodeValue(); } if (i != (numEvent - 1)) { next = appNodes.item(i + 1).getChildNodes().item(0).getNodeValue(); } else { next = appNodes.item(0).getChildNodes().item(0).getNodeValue(); } transformer.setParameter("app_name", appname); transformer.setParameter("prev_name", prev); transformer.setParameter("next_name", next); transformer.transform(origDocSource, new StreamResult(out)); } } } catch (Exception e) { out.println("Exception transformation :" + e.getMessage()); e.printStackTrace(out); } finally { out.close(); } }