/**
* {@inheritDoc}
*
* @param raw Description of the Parameter
* @return Description of the Return Value
*/
protected boolean handleElement(Element raw) {
if (super.handleElement(raw)) {
return true;
}
XMLElement elem = (XMLElement) raw;
if (DEST_PID_TAG.equals(elem.getName())) {
try {
URI pID = new URI(elem.getTextValue());
setDestPeerID((PeerID) IDFactory.fromURI(pID));
} catch (URISyntaxException badID) {
throw new IllegalArgumentException("Bad PeerID in advertisement");
} catch (ClassCastException badID) {
throw new IllegalArgumentException("ID in advertisement is not a peer id");
}
return true;
}
if (elem.getName().equals("Dst")) {
for (Enumeration eachXpt = elem.getChildren(); eachXpt.hasMoreElements(); ) {
TextElement aXpt = (TextElement) eachXpt.nextElement();
AccessPointAdvertisement xptAdv =
(AccessPointAdvertisement) AdvertisementFactory.newAdvertisement(aXpt);
setDest(xptAdv);
}
return true;
}
if (elem.getName().equals("Hops")) {
Vector hops = new Vector();
for (Enumeration eachXpt = elem.getChildren(); eachXpt.hasMoreElements(); ) {
TextElement aXpt = (TextElement) eachXpt.nextElement();
AccessPointAdvertisement xptAdv =
(AccessPointAdvertisement) AdvertisementFactory.newAdvertisement(aXpt);
hops.addElement(xptAdv);
}
setHops(hops);
return true;
}
return false;
}
/**
* Intialize a Discovery Query from a portion of a structured document.
*
* @param root document to intialize from
*/
protected void initialize(Element root) {
if (!XMLElement.class.isInstance(root)) {
throw new IllegalArgumentException(getClass().getName() + " only supports XMLElement");
}
XMLElement doc = (XMLElement) root;
if (!doc.getName().equals(getAdvertisementType())) {
throw new IllegalArgumentException(
"Could not construct : "
+ getClass().getName()
+ "from doc containing a "
+ doc.getName());
}
setDiscoveryType(-1); // force illegal value;
Enumeration<XMLElement> elements = doc.getChildren();
while (elements.hasMoreElements()) {
XMLElement elem = elements.nextElement();
if (!handleElement(elem)) {
if (Logging.SHOW_FINE && LOG.isLoggable(Level.FINE)) {
LOG.fine("Unhandled Element : " + elem.toString());
}
}
}
// sanity check time!
if ((DiscoveryService.PEER != getDiscoveryType())
&& (DiscoveryService.GROUP != getDiscoveryType())
&& (DiscoveryService.ADV != getDiscoveryType())) {
throw new IllegalArgumentException("Type is not one of the required values.");
}
if (getThreshold() < 0) {
throw new IllegalArgumentException("Threshold must not be less than zero.");
}
if ((getDiscoveryType() != DiscoveryService.PEER) && (getThreshold() == 0)) {
throw new IllegalArgumentException("Threshold may not be zero.");
}
if ((null == getAttr()) && (null != getValue())) {
throw new IllegalArgumentException("Value specified without attribute.");
}
}
/**
* Private constructor. Use instantiator
*
* @param root Description of the Parameter
*/
private RouteAdv(Element root) {
if (!XMLElement.class.isInstance(root)) {
throw new IllegalArgumentException(getClass().getName() + " only supports XLMElement");
}
XMLElement doc = (XMLElement) root;
String doctype = doc.getName();
String typedoctype = "";
Attribute itsType = doc.getAttribute("type");
if (null != itsType) {
typedoctype = itsType.getValue();
}
if (!doctype.equals(getAdvertisementType()) && !getAdvertisementType().equals(typedoctype)) {
throw new IllegalArgumentException(
"Could not construct : "
+ getClass().getName()
+ "from doc containing a "
+ doc.getName());
}
Enumeration elements = doc.getChildren();
while (elements.hasMoreElements()) {
XMLElement elem = (XMLElement) elements.nextElement();
if (!handleElement(elem)) {
if (LOG.isEnabledFor(Level.DEBUG)) {
LOG.debug("Unhandled Element: " + elem.toString());
}
}
}
// HACK Compatibility
setDestPeerID(getDestPeerID());
// Sanity Check!!!
if (hasALoop()) {
throw new IllegalArgumentException("Route contains a loop!");
}
}
public void fromXML(XMLElement inXML) {
String[] infoTags = getTags();
Iterator<XMLElement> infoFields = inXML.getChildren();
while (infoFields.hasNext()) {
XMLElement fieldStep = infoFields.next();
String curField = fieldStep.getTagName();
for (int i = 0; i < infoTags.length; i++) {
if (infoTags[i].equals(curField)) {
handleTag(i, fieldStep);
break;
}
}
}
}
/**
* Writes the figures to the specified output stream.
* This method applies the specified drawingTransform to the drawing, and draws
* it on an image of the specified getChildCount.
*
* All other write methods delegate their work to here.
*/
public void write(OutputStream out, java.util.List<Figure> figures,
AffineTransform drawingTransform, Dimension imageSize) throws IOException {
this.drawingTransform = (drawingTransform == null) ? new AffineTransform() : drawingTransform;
this.bounds = (imageSize == null) ?
new Rectangle(0,0,Integer.MAX_VALUE,Integer.MAX_VALUE) :
new Rectangle(0, 0, imageSize.width, imageSize.height);
XMLElement document = new XMLElement("map");
// Note: Image map elements need to be written from front to back
for (Figure f: new ReversedList<Figure>(figures)) {
writeElement(document, f);
}
// Strip AREA elements with "nohref" attributes from the end of the
// map
if (! isIncludeNohref) {
for (int i=document.getChildrenCount() - 1; i >= 0; i--) {
XMLElement child = (XMLElement) document.getChildAtIndex(i);
if (child.hasAttribute("nohref")) {
document.removeChildAtIndex(i);
}
}
}
// Write XML content
PrintWriter writer = new PrintWriter(
new OutputStreamWriter(out, "UTF-8")
);
//new XMLWriter(writer).write(document);
for (Object o : document.getChildren()) {
XMLElement child = (XMLElement) o;
new XMLWriter(writer).write(child);
}
// Flush writer
writer.flush();
}