private void loadFromXml(String fileName)
throws ParserConfigurationException, SAXException, IOException, ParseException {
System.out.println("NeuralNetwork : loading network topology from file " + fileName);
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder parser = factory.newDocumentBuilder();
Document doc = parser.parse(fileName);
Node nodeNeuralNetwork = doc.getDocumentElement();
if (!nodeNeuralNetwork.getNodeName().equals("neuralNetwork"))
throw new ParseException(
"[Error] NN-Load: Parse error in XML file, neural network couldn't be loaded.", 0);
// nodeNeuralNetwork ok
// indexNeuralNetworkContent -> indexStructureContent -> indexLayerContent -> indexNeuronContent
// -> indexNeuralInputContent
NodeList nodeNeuralNetworkContent = nodeNeuralNetwork.getChildNodes();
for (int innc = 0; innc < nodeNeuralNetworkContent.getLength(); innc++) {
Node nodeStructure = nodeNeuralNetworkContent.item(innc);
if (nodeStructure.getNodeName().equals("structure")) { // for structure element
NodeList nodeStructureContent = nodeStructure.getChildNodes();
for (int isc = 0; isc < nodeStructureContent.getLength(); isc++) {
Node nodeLayer = nodeStructureContent.item(isc);
if (nodeLayer.getNodeName().equals("layer")) { // for layer element
NeuralLayer neuralLayer = new NeuralLayer(this);
this.listLayers.add(neuralLayer);
NodeList nodeLayerContent = nodeLayer.getChildNodes();
for (int ilc = 0; ilc < nodeLayerContent.getLength(); ilc++) {
Node nodeNeuron = nodeLayerContent.item(ilc);
if (nodeNeuron.getNodeName().equals("neuron")) { // for neuron in layer
Neuron neuron =
new Neuron(
Double.parseDouble(((Element) nodeNeuron).getAttribute("threshold")),
neuralLayer);
neuralLayer.listNeurons.add(neuron);
NodeList nodeNeuronContent = nodeNeuron.getChildNodes();
for (int inc = 0; inc < nodeNeuronContent.getLength(); inc++) {
Node nodeNeuralInput = nodeNeuronContent.item(inc);
// if (nodeNeuralInput==null) System.out.print("-"); else System.out.print("*");
if (nodeNeuralInput.getNodeName().equals("input")) {
// System.out.println("neuron at
// STR:"+innc+" LAY:"+isc+" NEU:"+ilc+" INP:"+inc);
NeuralInput neuralInput =
new NeuralInput(
Double.parseDouble(((Element) nodeNeuralInput).getAttribute("weight")),
neuron);
neuron.listInputs.add(neuralInput);
}
}
}
}
}
}
}
}
}
/**
* Honey, can you just check on the kids? Thanks.
*
* <p>Internal function; not included in reference.
*/
protected void checkChildren() {
if (children == null) {
NodeList kids = node.getChildNodes();
int childCount = kids.getLength();
children = new XML[childCount];
for (int i = 0; i < childCount; i++) {
children[i] = new XML(this, kids.item(i));
}
}
}
/**
* Gets the definitions of a word, sets the main one if necessary, and returns it.
*
* @param overwrite if true, then function will attempt to retrieve from online even if the
* definition is already set.
* @return String containing the main definition of the word.
*/
public static Word[] getWordsFromFile(ByteArrayInputStream inputStream) {
try {
// now to parse the XML
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(inputStream);
removeEmptyTextNodes(doc);
NodeList wordList = doc.getElementsByTagName("WordDefinitions");
int wordCount = wordList.getLength();
Word[] returnWords = new Word[wordCount];
for (int wordi = 0; wordi < wordCount; wordi++) {
NodeList list = ((Element) wordList.item(wordi)).getElementsByTagName("Definition");
Element wordElement = (Element) wordList.item(wordi);
String word = wordElement.getAttribute("word");
String mainDefinition = wordElement.getAttribute("mainDefinition");
int numDefinitions = list.getLength();
Definition[] wordOtherDefinitions = new Definition[numDefinitions];
for (int i = 0; i < numDefinitions; i++) {
Node node = list.item(i);
NodeList children = node.getChildNodes(); // gets each child node of the definition
// get all data
String definition = children.item(XML_DEFINITION_LOC).getTextContent();
String theWord = children.item(XML_WORD_LOC).getTextContent();
NodeList dictionaryNode = children.item(XML_DICTIONARY_BRANCH_LOC).getChildNodes();
String dictionaryId = dictionaryNode.item(XML_DICTIONARY_ID_LOC).getTextContent();
String dictionaryName = dictionaryNode.item(XML_DICTIONARY_NAME_LOC).getTextContent();
// now we've got all the data lets add it to the array
wordOtherDefinitions[i] =
new Definition(dictionaryName, dictionaryId, definition, theWord);
}
if (wordOtherDefinitions.length == 0) {
wordOtherDefinitions =
new Definition[] {new Definition("nil", "nil", "NO DEFINITION FOUND", word)};
}
Word currentWord = new Word(word, mainDefinition);
currentWord.setOtherDefinitions(wordOtherDefinitions);
returnWords[wordi] = currentWord;
}
return returnWords;
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
/**
* Gets the definitions of a word, sets the main one if necessary, and returns it.
*
* @param overwrite if true, then function will attempt to retrieve from online even if the
* definition is already set.
* @return String containing the main definition of the word.
*/
public String getDefinitions(ByteArrayInputStream inputStream, boolean overwrite) {
if (overwrite || (definition == null || definition.isEmpty())) {
// get definition from online service
// if not able to access internet, then do something
try {
// now to parse the XML
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(inputStream);
removeEmptyTextNodes(doc);
NodeList list = doc.getElementsByTagName("Definition");
int numDefinitions = list.getLength();
otherDefinitions = new Definition[numDefinitions];
for (int i = 0; i < numDefinitions; i++) {
Node node = list.item(i);
NodeList children = node.getChildNodes(); // gets each child node of the definition
// get all data
String definition = children.item(XML_DEFINITION_LOC).getTextContent();
String word = children.item(XML_WORD_LOC).getTextContent();
NodeList dictionaryNode = children.item(XML_DICTIONARY_BRANCH_LOC).getChildNodes();
String dictionaryId = dictionaryNode.item(XML_DICTIONARY_ID_LOC).getTextContent();
String dictionaryName = dictionaryNode.item(XML_DICTIONARY_NAME_LOC).getTextContent();
// now we've got all the data lets add it to the array
otherDefinitions[i] = new Definition(dictionaryName, dictionaryId, definition, word);
}
if (otherDefinitions.length == 0) {
otherDefinitions =
new Definition[] {new Definition("nil", "nil", "NO DEFINITION FOUND", word)};
}
this.setMainDefinition(otherDefinitions[0].getDefinition());
return otherDefinitions[0].getDefinition();
} catch (Exception ex) {
ex.printStackTrace();
return "ERROR! " + ex;
}
} else {
return this.definition;
}
}
