// ## operation readReactorOutputFile(ReactionModel) public SystemSnapshot readReactorOutputFile(ReactionModel p_reactionModel) { // #[ operation readReactorOutputFile(ReactionModel) try { // open output file and build the DOM tree String dir = System.getProperty("RMG.workingDirectory"); String filename = "chemkin/reactorOutput.xml"; File inputFile = new File(filename); DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); factory.setValidating(true); // validate the document with the DTD factory.setIgnoringElementContentWhitespace(true); // ignore whitespace DocumentBuilder builder = factory.newDocumentBuilder(); Document doc = builder.parse(inputFile); // get root element and its children Element root = doc.getDocumentElement(); NodeList rootchildren = root.getChildNodes(); // header is rootchildren.item(0) // get return message and check for successful run Element returnmessageElement = (Element) rootchildren.item(1); Text returnmessageText = (Text) returnmessageElement.getFirstChild(); String returnmessage = returnmessageText.toString(); returnmessage = returnmessage.trim(); if (!returnmessage.contains("SUCCESSFULLY COMPLETED RUN.")) { System.out.println("External reactor model failed!"); System.out.println("Reactor model error message: " + returnmessage); System.exit(0); } // get outputvalues element and its children Element outputvaluesElement = (Element) rootchildren.item(2); NodeList children = outputvaluesElement.getChildNodes(); // get time Element timeElement = (Element) children.item(0); Text timeText = (Text) timeElement.getFirstChild(); double time = Double.parseDouble(timeText.getData()); String timeUnits = timeElement.getAttribute("units"); // get systemstate element and its children Element systemstateElement = (Element) children.item(1); NodeList states = systemstateElement.getChildNodes(); // get temperature and its units Element temperatureElement = (Element) states.item(0); String tempUnits = temperatureElement.getAttribute("units"); Text temperatureText = (Text) temperatureElement.getFirstChild(); double temp = Double.parseDouble(temperatureText.getData()); Temperature T = new Temperature(temp, tempUnits); // get pressure and its units Element pressureElement = (Element) states.item(1); String presUnits = pressureElement.getAttribute("units"); Text pressureText = (Text) pressureElement.getFirstChild(); double pres = Double.parseDouble(pressureText.getData()); Pressure P = new Pressure(pres, presUnits); // get species amounts (e.g. concentrations) ArrayList speciesIDs = new ArrayList(); ArrayList amounts = new ArrayList(); ArrayList fluxes = new ArrayList(); String amountUnits = null; String fluxUnits = null; // loop thru all the species // begin at i=2, since T and P take already the first two position of states int nSpe = (states.getLength() - 2) / 2; int index = 0; LinkedHashMap inertGas = new LinkedHashMap(); for (int i = 2; i < nSpe + 2; i++) { // get amount element and the units Element amountElement = (Element) states.item(i); amountUnits = amountElement.getAttribute("units"); Element fluxElement = (Element) states.item(i + nSpe); fluxUnits = fluxElement.getAttribute("units"); // get speciesid and store in an array list String thisSpeciesID = amountElement.getAttribute("speciesid"); // get amount (e.g. concentraion) and store in an array list Text amountText = (Text) amountElement.getFirstChild(); double thisAmount = Double.parseDouble(amountText.getData()); if (thisAmount < 0) { double aTol = ReactionModelGenerator.getAtol(); // if (Math.abs(thisAmount) < aTol) thisAmount = 0; // else throw new NegativeConcentrationException("Negative concentration in // reactorOutput.xml: " + thisSpeciesID); if (thisAmount < -100.0 * aTol) throw new NegativeConcentrationException( "Species " + thisSpeciesID + " has negative concentration: " + String.valueOf(thisAmount)); } // get amount (e.g. concentraion) and store in an array list Text fluxText = (Text) fluxElement.getFirstChild(); double thisFlux = Double.parseDouble(fluxText.getData()); if (thisSpeciesID.compareToIgnoreCase("N2") == 0 || thisSpeciesID.compareToIgnoreCase("Ne") == 0 || thisSpeciesID.compareToIgnoreCase("Ar") == 0) { inertGas.put(thisSpeciesID, new Double(thisAmount)); } else { speciesIDs.add(index, thisSpeciesID); amounts.add(index, new Double(thisAmount)); fluxes.add(index, new Double(thisFlux)); index++; } } // print results for debugging purposes /** * System.out.println(returnmessage); System.out.println("Temp = " + temp + " " + tempUnits); * System.out.println("Pres = " + pres + " " + presUnits); for (int i = 0; i < amounts.size(); * i++) { System.out.println(speciesIDs.get(i) + " " + amounts.get(i) + " " + amountUnits); } */ ReactionTime rt = new ReactionTime(time, timeUnits); LinkedHashMap speStatus = generateSpeciesStatus(p_reactionModel, speciesIDs, amounts, fluxes); SystemSnapshot ss = new SystemSnapshot(rt, speStatus, T, P); ss.inertGas = inertGas; return ss; } catch (Exception e) { System.out.println("Error reading reactor model output: " + e.getMessage()); System.exit(0); return null; } // #] }
/** * Unmarshall a Chromosome instance from a given XML Element representation. * * @param a_activeConfiguration current Configuration object * @param a_xmlElement the XML Element representation of the Chromosome * @return a new Chromosome instance setup with the data from the XML Element representation * @throws ImproperXMLException if the given Element is improperly structured or missing data * @throws UnsupportedRepresentationException if the actively configured Gene implementation does * not support the string representation of the alleles used in the given XML document * @throws GeneCreationException if there is a problem creating or populating a Gene instance * @author Neil Rotstan * @since 1.0 */ public static Gene[] getGenesFromElement( Configuration a_activeConfiguration, Element a_xmlElement) throws ImproperXMLException, UnsupportedRepresentationException, GeneCreationException { // Do some sanity checking. Make sure the XML Element isn't null and // that it in fact represents a set of genes. // ----------------------------------------------------------------- if (a_xmlElement == null || !(a_xmlElement.getTagName().equals(GENES_TAG))) { throw new ImproperXMLException( "Unable to build Chromosome instance from XML Element: " + "given Element is not a 'genes' element."); } List genes = Collections.synchronizedList(new ArrayList()); // Extract the nested gene elements. // --------------------------------- NodeList geneElements = a_xmlElement.getElementsByTagName(GENE_TAG); if (geneElements == null) { throw new ImproperXMLException( "Unable to build Gene instances from XML Element: " + "'" + GENE_TAG + "'" + " sub-elements not found."); } // For each gene, get the class attribute so we know what class // to instantiate to represent the gene instance, and then find // the child text node, which is where the string representation // of the allele is located, and extract the representation. // ------------------------------------------------------------- int numberOfGeneNodes = geneElements.getLength(); for (int i = 0; i < numberOfGeneNodes; i++) { Element thisGeneElement = (Element) geneElements.item(i); thisGeneElement.normalize(); // Fetch the class attribute and create an instance of that // class to represent the current gene. // -------------------------------------------------------- String geneClassName = thisGeneElement.getAttribute(CLASS_ATTRIBUTE); Gene thisGeneObject; Class geneClass = null; try { geneClass = Class.forName(geneClassName); try { Constructor constr = geneClass.getConstructor(new Class[] {Configuration.class}); thisGeneObject = (Gene) constr.newInstance(new Object[] {a_activeConfiguration}); } catch (NoSuchMethodException nsme) { // Try it by calling method newGeneInternal. // ----------------------------------------- Constructor constr = geneClass.getConstructor(new Class[] {}); thisGeneObject = (Gene) constr.newInstance(new Object[] {}); thisGeneObject = (Gene) PrivateAccessor.invoke( thisGeneObject, "newGeneInternal", new Class[] {}, new Object[] {}); } } catch (Throwable e) { throw new GeneCreationException(geneClass, e); } // Find the text node and fetch the string representation of // the allele. // --------------------------------------------------------- NodeList children = thisGeneElement.getChildNodes(); int childrenSize = children.getLength(); String alleleRepresentation = null; for (int j = 0; j < childrenSize; j++) { Element alleleElem = (Element) children.item(j); if (alleleElem.getTagName().equals(ALLELE_TAG)) { alleleRepresentation = alleleElem.getAttribute("value"); } if (children.item(j).getNodeType() == Node.TEXT_NODE) { // We found the text node. Extract the representation. // --------------------------------------------------- alleleRepresentation = children.item(j).getNodeValue(); break; } } // Sanity check: Make sure the representation isn't null. // ------------------------------------------------------ if (alleleRepresentation == null) { throw new ImproperXMLException( "Unable to build Gene instance from XML Element: " + "value (allele) is missing representation."); } // Now set the value of the gene to that reflect the // string representation. // ------------------------------------------------- try { thisGeneObject.setValueFromPersistentRepresentation(alleleRepresentation); } catch (UnsupportedOperationException e) { throw new GeneCreationException( "Unable to build Gene because it does not support the " + "setValueFromPersistentRepresentation() method."); } // Finally, add the current gene object to the list of genes. // ---------------------------------------------------------- genes.add(thisGeneObject); } return (Gene[]) genes.toArray(new Gene[genes.size()]); }