/**
* Performs an XPATH lookup in an xml document whose filename is specified by the first parameter
* (assumed to be in the auxiliary subdirectory) The XPATH expression is supplied as the second
* string parameter The return value is of type string e.g. this is currently used primarily for
* looking up the Company Prefix Index for encoding a GS1 Company Prefix into a 64-bit EPC tag
*/
private String xpathlookup(String xml, String expression) {
try {
// Parse the XML as a W3C document.
DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
Document document =
builder.parse(new File(xmldir + File.separator + "auxiliary" + File.separator + xml));
XPath xpath = XPathFactory.newInstance().newXPath();
String rv = (String) xpath.evaluate(expression, document, XPathConstants.STRING);
return rv;
} catch (ParserConfigurationException e) {
System.err.println("ParserConfigurationException caught...");
e.printStackTrace();
return null;
} catch (XPathExpressionException e) {
System.err.println("XPathExpressionException caught...");
e.printStackTrace();
return null;
} catch (SAXException e) {
System.err.println("SAXException caught...");
e.printStackTrace();
return null;
} catch (IOException e) {
System.err.println("IOException caught...");
e.printStackTrace();
return null;
}
}
Parser(String uri) {
try {
SAXParserFactory parserFactory = SAXParserFactory.newInstance();
SAXParser parser = parserFactory.newSAXParser();
ConfigHandler handler = new ConfigHandler();
parser.getXMLReader().setFeature("http://xml.org/sax/features/validation", true);
parser.parse(new File(uri), handler);
} catch (IOException e) {
System.out.println("Error reading URI: " + e.getMessage());
} catch (SAXException e) {
System.out.println("Error in parsing: " + e.getMessage());
} catch (ParserConfigurationException e) {
System.out.println("Error in XML parser configuration: " + e.getMessage());
}
// System.out.println("Number of Persons : " + Person.numberOfPersons());
// nameLengthStatistics();
// System.out.println("Number of Publications with authors/editors: " +
// Publication.getNumberOfPublications());
// System.out.println("Maximum number of authors/editors in a publication: " +
// Publication.getMaxNumberOfAuthors());
// publicationCountStatistics();
// Person.enterPublications();
// Person.printCoauthorTable();
// Person.printNamePartTable();
// Person.findSimilarNames();
}
static {
try {
dbf.setNamespaceAware(true);
db = dbf.newDocumentBuilder();
xpath.setNamespaceContext(
new NamespaceContext() {
@Override
public Iterator<String> getPrefixes(String namespaceURI) {
return Arrays.asList("md").iterator();
}
@Override
public String getPrefix(String namespaceURI) {
return "md";
}
@Override
public String getNamespaceURI(String prefix) {
return "http://www.osgi.org/xmlns/metatype/v1.1.0";
}
});
} catch (ParserConfigurationException e) {
e.printStackTrace();
throw new ExceptionInInitializerError(e);
}
}
/**
* @author Neil Rotstan
* @since 1.0
*/
static {
try {
m_documentCreator = DocumentBuilderFactory.newInstance().newDocumentBuilder();
} catch (ParserConfigurationException parserError) {
throw new RuntimeException(
"XMLManager: Unable to setup DocumentBuilder: " + parserError.getMessage());
}
}
public static Document newXMLDocument() {
DocumentBuilder dbuilder = null;
try {
dbuilder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
} catch (ParserConfigurationException e) {
e.printStackTrace();
return null;
}
return dbuilder.newDocument();
}
@Override
public void run() {
try {
receive();
} catch (IOException ioException) {
JOptionPane.showMessageDialog(null, "Problems with a server");
} catch (InterruptedException interruptedException) {
JOptionPane.showMessageDialog(null, "Interrupted exception thrown");
} catch (ParserConfigurationException parserException) {
parserException.printStackTrace();
} catch (SAXException saxException) {
saxException.printStackTrace();
}
}
/**
* Reads an XML document from an input source and copies its values into the specified object
*
* @param ob The object to receive the values
* @param source The location of the XML document
* @throws IOException If there is an error reading the document
*/
public void readObject(Object ob, InputSource source) throws IOException {
try {
// Create a document builder to read the document
DocumentBuilder builder = factory.newDocumentBuilder();
// Read the document
Document doc = builder.parse(source);
// Get the root element
Element element = doc.getDocumentElement();
// Copy the root element into the bean
readObject(ob, element);
} catch (SAXException exc) {
throw new IOException("Error parsing XML document: " + exc.toString());
} catch (ParserConfigurationException exc) {
throw new IOException("Error parsing XML document: " + exc.toString());
}
}
