Exemplo n.º 1
0
  /**
   * 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);
    }
  }
Exemplo n.º 2
0
  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());
    }
  }