/** * This creates a new <code>{@link Document}</code> from an existing <code>InputStream</code> by * letting a DOM parser handle parsing using the supplied stream. * * @param in <code>InputStream</code> to parse. * @param validate <code>boolean</code> to indicate if validation should occur. * @return <code>Document</code> - instance ready for use. * @throws IOException when I/O error occurs. * @throws JDOMException when errors occur in parsing. */ public Document getDocument(InputStream in, boolean validate) throws IOException, JDOMException { try { // Load the parser class Class parserClass = Class.forName("org.apache.xerces.parsers.DOMParser"); Object parser = parserClass.newInstance(); // Set validation Method setFeature = parserClass.getMethod("setFeature", new Class[] {java.lang.String.class, boolean.class}); setFeature.invoke( parser, new Object[] {"http://xml.org/sax/features/validation", new Boolean(validate)}); // Set namespaces true setFeature.invoke( parser, new Object[] {"http://xml.org/sax/features/namespaces", new Boolean(true)}); // Set the error handler if (validate) { Method setErrorHandler = parserClass.getMethod("setErrorHandler", new Class[] {ErrorHandler.class}); setErrorHandler.invoke(parser, new Object[] {new BuilderErrorHandler()}); } // Parse the document Method parse = parserClass.getMethod("parse", new Class[] {org.xml.sax.InputSource.class}); parse.invoke(parser, new Object[] {new InputSource(in)}); // Get the Document object Method getDocument = parserClass.getMethod("getDocument", null); Document doc = (Document) getDocument.invoke(parser, null); return doc; } catch (InvocationTargetException e) { Throwable targetException = e.getTargetException(); if (targetException instanceof org.xml.sax.SAXParseException) { SAXParseException parseException = (SAXParseException) targetException; throw new JDOMException( "Error on line " + parseException.getLineNumber() + " of XML document: " + parseException.getMessage(), e); } else if (targetException instanceof IOException) { IOException ioException = (IOException) targetException; throw ioException; } else { throw new JDOMException(targetException.getMessage(), e); } } catch (Exception e) { throw new JDOMException(e.getClass().getName() + ": " + e.getMessage(), e); } }
public static MiningResult importFile(InputStream input) throws IOException { try { DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); Document doc; // NodeList netNodes; dbf.setValidating(false); dbf.setIgnoringComments(true); dbf.setIgnoringElementContentWhitespace(true); // dbf.setExpandEntityReferences(false); // dbf.setNamespaceAware(false); DocumentBuilder db = dbf.newDocumentBuilder(); db.setEntityResolver( new EntityResolver() { public InputSource resolveEntity(String publicId, String systemId) { if (systemId.indexOf("ARIS-Export") != -1) { return new InputSource("file:" + About.EXTLIBLOCATION() + "ARIS-Export101.dtd"); } else { return null; } } }); InputSource inpStream = new InputSource(input); inpStream.setSystemId("file:" + System.getProperty("user.dir", "")); doc = db.parse(inpStream); // check if root element is a aml tag Message.add("parsing done" + doc, Message.DEBUG); if (!(doc.getDocumentElement().getNodeName().equals("AML"))) { Message.add("aml tag not found", Message.ERROR); throw new Exception("aml tag not found"); } else { Message.add("aml root element found"); } EPCResult result = new EPCResult(null, (EPC) null); HashMap ObjDef_LinkId = new HashMap(); HashMap modelid_net = new HashMap(); HashMap ObjDef_Name = new HashMap(); HashMap function_LinkId = new HashMap(); HashMap ModelId_ModelType = new HashMap(); traverseAMLforObjectNames( ObjDef_Name, doc.getDocumentElement(), ObjDef_LinkId, ModelId_ModelType); Iterator findLinkToEpc = ObjDef_LinkId.keySet().iterator(); while (findLinkToEpc.hasNext()) { String currentObjDef = (String) findLinkToEpc.next(); String Links = (String) ObjDef_LinkId.get(currentObjDef); StringTokenizer linkSet = new StringTokenizer(Links); String realEpcLink = ""; while (linkSet.hasMoreTokens()) { String currentLink = linkSet.nextToken(); if (ModelId_ModelType.get(currentLink).equals("MT_EEPC")) { realEpcLink = currentLink; break; } } if (realEpcLink.equals(" ")) { ObjDef_LinkId.remove(currentObjDef); } else { ObjDef_LinkId.put(currentObjDef, realEpcLink); } } result = traverseAML( result, doc.getDocumentElement(), null, ObjDef_Name, ObjDef_LinkId, modelid_net, function_LinkId); Iterator hierarchicalFunctions = function_LinkId.keySet().iterator(); while (hierarchicalFunctions.hasNext()) { EPCSubstFunction f = (EPCSubstFunction) hierarchicalFunctions.next(); f.setSubstitutedEPC((EPC) modelid_net.get(function_LinkId.get(f))); // Message.add(f.getSubstitutedEPC().getName()); } return result; } catch (Throwable x) { Message.add(x.toString()); throw new IOException(x.getMessage()); } }