protected void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
try {
DateFormat df = DateFormat.getDateTimeInstance();
String titleStr = "C3P0 Status - " + df.format(new Date());
DocumentBuilderFactory fact = DocumentBuilderFactory.newInstance();
DocumentBuilder db = fact.newDocumentBuilder();
Document doc = db.newDocument();
Element htmlElem = doc.createElement("html");
Element headElem = doc.createElement("head");
Element titleElem = doc.createElement("title");
titleElem.appendChild(doc.createTextNode(titleStr));
Element bodyElem = doc.createElement("body");
Element h1Elem = doc.createElement("h1");
h1Elem.appendChild(doc.createTextNode(titleStr));
Element h3Elem = doc.createElement("h3");
h3Elem.appendChild(doc.createTextNode("PooledDataSources"));
Element pdsDlElem = doc.createElement("dl");
pdsDlElem.setAttribute("class", "PooledDataSources");
for (Iterator ii = C3P0Registry.getPooledDataSources().iterator(); ii.hasNext(); ) {
PooledDataSource pds = (PooledDataSource) ii.next();
StatusReporter sr = findStatusReporter(pds, doc);
pdsDlElem.appendChild(sr.reportDtElem());
pdsDlElem.appendChild(sr.reportDdElem());
}
headElem.appendChild(titleElem);
htmlElem.appendChild(headElem);
bodyElem.appendChild(h1Elem);
bodyElem.appendChild(h3Elem);
bodyElem.appendChild(pdsDlElem);
htmlElem.appendChild(bodyElem);
res.setContentType("application/xhtml+xml");
TransformerFactory tf = TransformerFactory.newInstance();
Transformer transformer = tf.newTransformer();
Source src = new DOMSource(doc);
Result result = new StreamResult(res.getOutputStream());
transformer.transform(src, result);
} catch (IOException e) {
throw e;
} catch (Exception e) {
throw new ServletException(e);
}
}
/**
* 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());
}
}
public static void main(String[] args) {
try {
DocumentBuilderFactory db = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = db.newDocumentBuilder();
Document dom = builder.parse("data/geographic-area-data.html");
XPathFactory xpath = XPathFactory.newInstance();
XPath path = xpath.newXPath();
XPathExpression table =
path.compile("//div[@id='mw-content-text']/table[contains(@class,'wikitable')]/tr");
NodeList wikiData = (NodeList) table.evaluate(dom, XPathConstants.NODESET);
NodeList children;
String currentData, cleanData;
/* Open output stream */
FileWriter fstream = new FileWriter("data/parsed.yaml");
BufferedWriter out = new BufferedWriter(fstream);
for (int i = 0; i < wikiData.getLength(); i++) {
if (i == 0) {
continue;
}
out.write(new Integer(i).toString() + ":\n");
children = wikiData.item(i).getChildNodes();
for (int j = 0; j < children.getLength(); j++) {
currentData = (String) children.item(j).getTextContent();
switch (j) {
case 0:
/* Current Data is empty */
break;
case 1:
cleanData = decompose(currentData).trim().replaceAll("[^a-zA-Z\\s]+", "");
out.write("\t\"Geographic entity\": \"" + cleanData + "\"\n");
break;
case 2:
/* Current Data is empty */
break;
case 3:
cleanData = decompose(currentData).trim().replaceAll(",", "");
out.write("\t\"Area\": \"" + cleanData + "\"\n");
break;
case 4:
/* Current Data is empty */
break;
case 5:
cleanData = decompose(currentData).trim();
out.write("\t\"Notes\": \"" + cleanData + "\"\n");
break;
case 6:
/* Current Data is empty */
break;
default:
/* System.out.println("[" + j + "] Hit default case statement. Current Data is: " + currentData); */
break;
}
}
}
/* Close output stream */
out.close();
} catch (Exception e) {
System.out.println(e);
}
}
/**
* Performs the actual reading of an XML document and copies the values into a bean. This class uses
* the DocumentBuilder portion of the Java XML API. It is not as efficient as SAX, but much easier
* to deal with when copying values into beans.
*
* @author Mark Wutka
* @version 1.0 05/08/2000
* @version 1.1 05/09/2000
* @version 1.6 07/30/2000
*/
class JOXBeanInput {
/** The document builder factory used to instantiate new document builders. */
protected static DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
protected static Hashtable beanCache = new Hashtable();
/**
* 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());
}
}
/**
* Reads the children of an XML element and matches them to properties of a bean.
*
* @param ob The bean to receive the values
* @param element The element the corresponds to the bean
* @throws IOException If there is an error reading the document
*/
public void readObject(Object ob, Element element) throws IOException {
// If the object is null, skip the element
if (ob == null) {
return;
}
try {
BeanInfo info = (BeanInfo) beanCache.get(ob.getClass());
if (info == null) {
// Get the bean info for the object
info = Introspector.getBeanInfo(ob.getClass(), Object.class);
beanCache.put(ob.getClass(), info);
}
// Get the object's properties
PropertyDescriptor[] props = info.getPropertyDescriptors();
// Get the attributes of the node
NamedNodeMap attrs = element.getAttributes();
// Get the children of the XML element
NodeList nodes = element.getChildNodes();
int numNodes = nodes.getLength();
for (int i = 0; i < props.length; i++) {
// Treat indexed properties a little differently
if (props[i] instanceof IndexedPropertyDescriptor) {
readIndexedProperty(ob, (IndexedPropertyDescriptor) props[i], nodes, attrs);
} else {
readProperty(ob, props[i], nodes, attrs);
}
}
} catch (IntrospectionException exc) {
throw new IOException(
"Error getting bean info for " + ob.getClass().getName() + ": " + exc.toString());
}
}
/**
* Reads an XML element into a bean property by first locating the XML element corresponding to
* this property.
*
* @param ob The bean whose property is being set
* @param desc The property that will be set
* @param nodes The list of XML items that may contain the property
* @throws IOException If there is an error reading the document
*/
public void readProperty(Object ob, PropertyDescriptor desc, NodeList nodes, NamedNodeMap attrs)
throws IOException {
int numAttrs = attrs.getLength();
for (int i = 0; i < numAttrs; i++) {
// See if the attribute name matches the property name
if (namesMatch(desc.getName(), attrs.item(i).getNodeName())) {
// Get the method used to set this property
Method setter = desc.getWriteMethod();
// If this object has no setter, don't bother writing it
if (setter == null) continue;
// Get the value of the property
Object obValue = getObjectValue(desc, attrs.item(i).getNodeValue());
if (obValue != null) {
try {
// Set the property value
setter.invoke(ob, new Object[] {obValue});
} catch (InvocationTargetException exc) {
throw new IOException(
"Error setting property " + desc.getName() + ": " + exc.toString());
} catch (IllegalAccessException exc) {
throw new IOException(
"Error setting property " + desc.getName() + ": " + exc.toString());
}
}
return;
}
}
int numNodes = nodes.getLength();
Vector arrayBuild = null;
for (int i = 0; i < numNodes; i++) {
Node node = nodes.item(i);
// If this node isn't an element, skip it
if (!(node instanceof Element)) continue;
Element element = (Element) node;
// See if the tag name matches the property name
if (namesMatch(desc.getName(), element.getTagName())) {
// Get the method used to set this property
Method setter = desc.getWriteMethod();
// If this object has no setter, don't bother writing it
if (setter == null) continue;
// Get the value of the property
Object obValue = getObjectValue(desc, element);
// 070201 MAW: Modified from change submitted by Steve Poulson
if (setter.getParameterTypes()[0].isArray()) {
if (arrayBuild == null) {
arrayBuild = new Vector();
}
arrayBuild.addElement(obValue);
// 070201 MAW: Go ahead and read through the rest of the nodes in case
// another one matches the array. This has the effect of skipping
// over the "return" statement down below
continue;
}
if (obValue != null) {
try {
// Set the property value
setter.invoke(ob, new Object[] {obValue});
} catch (InvocationTargetException exc) {
throw new IOException(
"Error setting property " + desc.getName() + ": " + exc.toString());
} catch (IllegalAccessException exc) {
throw new IOException(
"Error setting property " + desc.getName() + ": " + exc.toString());
}
}
return;
}
}
// If we build a vector of array members, convert the vector into
// an array and save it in the property
if (arrayBuild != null) {
// Get the method used to set this property
Method setter = desc.getWriteMethod();
if (setter == null) return;
Object[] obValues = (Object[]) Array.newInstance(desc.getPropertyType(), arrayBuild.size());
arrayBuild.copyInto(obValues);
try {
setter.invoke(ob, new Object[] {obValues});
} catch (InvocationTargetException exc) {
throw new IOException("Error setting property " + desc.getName() + ": " + exc.toString());
} catch (IllegalAccessException exc) {
throw new IOException("Error setting property " + desc.getName() + ": " + exc.toString());
}
return;
}
}
/**
* Reads XML element(s) into an indexed bean property by first locating the XML element(s)
* corresponding to this property.
*
* @param ob The bean whose property is being set
* @param desc The property that will be set
* @param nodes The list of XML items that may contain the property
* @throws IOException If there is an error reading the document
*/
public void readIndexedProperty(
Object ob, IndexedPropertyDescriptor desc, NodeList nodes, NamedNodeMap attrs)
throws IOException {
// Create a vector to hold the property values
Vector v = new Vector();
int numAttrs = attrs.getLength();
for (int i = 0; i < numAttrs; i++) {
// See if this attribute matches the property name
if (namesMatch(desc.getName(), attrs.item(i).getNodeName())) {
// Get the property value
Object obValue = getObjectValue(desc, attrs.item(i).getNodeValue());
if (obValue != null) {
// Add the value to the list of values to be set
v.addElement(obValue);
}
}
}
int numNodes = nodes.getLength();
for (int i = 0; i < numNodes; i++) {
Node node = nodes.item(i);
// Skip non-element nodes
if (!(node instanceof Element)) continue;
Element element = (Element) node;
// See if this element tag matches the property name
if (namesMatch(desc.getName(), element.getTagName())) {
// Get the property value
Object obValue = getObjectValue(desc, element);
if (obValue != null) {
// Add the value to the list of values to be set
v.addElement(obValue);
}
}
}
// Get the method used to set the property value
Method setter = desc.getWriteMethod();
// If this property has no setter, don't write it
if (setter == null) return;
// Create a new array of property values
Object propArray = Array.newInstance(desc.getPropertyType().getComponentType(), v.size());
// Copy the vector into the array
v.copyInto((Object[]) propArray);
try {
// Store the array of property values
setter.invoke(ob, new Object[] {propArray});
} catch (InvocationTargetException exc) {
throw new IOException("Error setting property " + desc.getName() + ": " + exc.toString());
} catch (IllegalAccessException exc) {
throw new IOException("Error setting property " + desc.getName() + ": " + exc.toString());
}
}
/**
* Examines a property's type to see which method should be used to parse the property's value.
*
* @param desc The description of the property
* @param element The XML element containing the property value
* @return The value stored in the element
* @throws IOException If there is an error reading the document
*/
public Object getObjectValue(PropertyDescriptor desc, Element element) throws IOException {
// Find out what kind of property it is
Class type = desc.getPropertyType();
// If it's an array, get the base type
if (type.isArray()) {
type = type.getComponentType();
}
// For native types, object wrappers for natives, and strings, use the
// basic parse routine
if (type.equals(Integer.TYPE)
|| type.equals(Long.TYPE)
|| type.equals(Short.TYPE)
|| type.equals(Byte.TYPE)
|| type.equals(Boolean.TYPE)
|| type.equals(Float.TYPE)
|| type.equals(Double.TYPE)
|| Integer.class.isAssignableFrom(type)
|| Long.class.isAssignableFrom(type)
|| Short.class.isAssignableFrom(type)
|| Byte.class.isAssignableFrom(type)
|| Boolean.class.isAssignableFrom(type)
|| Float.class.isAssignableFrom(type)
|| Double.class.isAssignableFrom(type)
|| String.class.isAssignableFrom(type)) {
return readBasicType(type, element);
} else if (java.util.Date.class.isAssignableFrom(type)) {
// If it's a date, use the date parser
return readDate(element);
} else {
try {
// If it's an object, create a new instance of the object (it should
// be a bean, or there will be trouble)
Object newOb = type.newInstance();
// Copy the XML element into the bean
readObject(newOb, element);
return newOb;
} catch (InstantiationException exc) {
throw new IOException(
"Error creating object for " + desc.getName() + ": " + exc.toString());
} catch (IllegalAccessException exc) {
throw new IOException(
"Error creating object for " + desc.getName() + ": " + exc.toString());
}
}
}
/**
* Examines a property's type to see which method should be used to parse the property's value.
*
* @param desc The description of the property
* @param value The value of the XML attribute containing the prop value
* @return The value stored in the element
* @throws IOException If there is an error reading the document
*/
public Object getObjectValue(PropertyDescriptor desc, String value) throws IOException {
// Find out what kind of property it is
Class type = desc.getPropertyType();
// If it's an array, get the base type
if (type.isArray()) {
type = type.getComponentType();
}
// For native types, object wrappers for natives, and strings, use the
// basic parse routine
if (type.equals(Integer.TYPE)
|| type.equals(Long.TYPE)
|| type.equals(Short.TYPE)
|| type.equals(Byte.TYPE)
|| type.equals(Boolean.TYPE)
|| type.equals(Float.TYPE)
|| type.equals(Double.TYPE)
|| Integer.class.isAssignableFrom(type)
|| Long.class.isAssignableFrom(type)
|| Short.class.isAssignableFrom(type)
|| Byte.class.isAssignableFrom(type)
|| Boolean.class.isAssignableFrom(type)
|| Float.class.isAssignableFrom(type)
|| Double.class.isAssignableFrom(type)) {
return parseBasicType(type, value);
} else if (String.class.isAssignableFrom(type)) {
return value;
} else if (java.util.Date.class.isAssignableFrom(type)) {
// If it's a date, use the date parser
return parseDate(value, JOXDateHandler.determineDateFormat());
} else {
return null;
}
}
/**
* Reads an XML text element into a basic type
*
* @param type The type of the element to read
* @param element The element containing the value
* @return The parsed value of the element
*/
public static Object readBasicType(Class type, Element element) {
// Get the text corresponding to this element
String str = getElementString(element);
// If there isn't any, don't parse
if (str == null) return null;
// If it's a string, don't need to do anything else
if (String.class.isAssignableFrom(type)) return str;
return parseBasicType(type, str);
}
/**
* Reads an string into a basic type
*
* @param type The type of the string to read
* @param str The string containing the value
* @return The parsed value of the string
*/
public static Object parseBasicType(Class type, String str) {
// Parse the text based on the property type
if (type.equals(Integer.TYPE) || Integer.class.isAssignableFrom(type)) {
return new Integer(str);
} else if (type.equals(Long.TYPE) || Long.class.isAssignableFrom(type)) {
return new Long(str);
} else if (type.equals(Short.TYPE) || Short.class.isAssignableFrom(type)) {
return new Short(str);
} else if (type.equals(Byte.TYPE) || Byte.class.isAssignableFrom(type)) {
return new Byte(str);
} else if (type.equals(Boolean.TYPE) || Boolean.class.isAssignableFrom(type)) {
return new Boolean(str);
} else if (type.equals(Float.TYPE) || Float.class.isAssignableFrom(type)) {
return new Float(str);
} else if (type.equals(Double.TYPE) || Double.class.isAssignableFrom(type)) {
return new Double(str);
}
return null;
}
/**
* Parses an XML element as a date
*
* @param element The element containing the date
* @return The date value parsed from the element
* @throws IOException If there's an error parsing the date
*/
public Object readDate(Element element) throws IOException {
// Get the text corresponding to this element
String str = getElementString(element);
String fmt = element.getAttribute("format");
if ("".equals(fmt)) {
return parseDate(str, JOXDateHandler.determineDateFormat());
} else {
return parseDate(str, new SimpleDateFormat(fmt));
}
}
/**
* Parses a string as a date
*
* @param str The string containing the date
* @return The date value parsed from the string
* @throws IOException If there's an error parsing the date
*/
public Object parseDate(String str, DateFormat dateFormat) throws IOException {
// If there isn't any, don't parse
if (str == null) return null;
try {
return dateFormat.parse(str);
} catch (ParseException exc) {
throw new IOException("Error parsing date " + str);
}
}
/**
* Searches the children of an element looking for a Text node. If it finds one, it returns it.
*
* @param element The element whose children will be searched
* @return The text for the element, or null if there is none
*/
public static String getElementString(Element element) {
NodeList nodes = element.getChildNodes();
int numNodes = nodes.getLength();
for (int i = 0; i < numNodes; i++) {
Node node = nodes.item(i);
if (node instanceof Text) {
return ((Text) node).getData();
}
}
return null;
}
/**
* Returns true if two names match without regard to case or the presence of '-' or '_'
* characters.
*
* @param beanName The name of the bean property to compare
* @param elementName The name of the element to compare
* @return True if the names match
*/
public static boolean namesMatch(String beanName, String elementName) {
int beanNameLen = beanName.length();
int elementNameLen = elementName.length();
int elementPos = 0;
int beanPos = 0;
// Keep looping until you hit the end of either of the strings
while ((elementPos < elementNameLen) && (beanPos < beanNameLen)) {
// If the next character in the bean name is a '-' or a '/', skip it
char beanCh = Character.toLowerCase(beanName.charAt(beanPos));
if ((beanCh == '-') || (beanCh == '_')) {
beanPos++;
continue;
}
// If the next character in the element name is a '-' or a '/', skip it
char elementCh = Character.toLowerCase(elementName.charAt(elementPos));
if ((elementCh == '-') || (elementCh == '_')) {
elementPos++;
continue;
}
// If the characters don't match, the names don't match
if (elementCh != beanCh) return false;
elementPos++;
beanPos++;
}
// You hit the end of both names at the same time, the names match
if ((elementPos == elementNameLen) && (beanPos == beanNameLen)) {
return true;
}
return false;
}
}