/**
* build Advert from scratch
*
* @param data the Data which the Advert is advertising
* @param maxBid maximum bid accepted in the auction
* @param fine fine in case of transaction failure
* @return Advert built from given data
*/
@Override
public Packet buildAdvert(Data data, int maxBid, int fine) {
assert data != null : "Adverts can only be made for valid data packets!";
int transactionID = data.getTransactionID();
int deadline = data.getHopCount();
int initialBudget = data.getInitialBudget();
Advert advert =
new Advert(
data.getFinalDestination(), transactionID, maxBid, deadline, fine, initialBudget);
advert.setSourceIP(this.deviceIP);
advert.setDestinationIP(this.broadcastAddr);
return advert;
}
public List<Advert> parse(String url) {
List<Advert> adverts = null;
XmlPullParser parser = Xml.newPullParser();
try {
// auto-detect the encoding from the stream
parser.setInput(new StringReader(url));
int eventType = parser.getEventType();
Advert currentAdvert = null;
boolean done = false;
while (eventType != XmlPullParser.END_DOCUMENT && !done) {
String name = null;
switch (eventType) {
case XmlPullParser.START_DOCUMENT:
adverts = new ArrayList<>();
break;
case XmlPullParser.START_TAG:
name = parser.getName();
if (name.equalsIgnoreCase("advert")) {
currentAdvert = new Advert();
} else if (currentAdvert != null) {
if (name.equalsIgnoreCase("advertDate")) {
currentAdvert.setAdvertDate(parser.nextText());
} else if (name.equalsIgnoreCase("advertTitle")) {
currentAdvert.setAdvertTitle(parser.nextText());
} else if (name.equalsIgnoreCase("advertid")) {
currentAdvert.setAdvertid(parser.nextText());
} else if (name.equalsIgnoreCase("advertDescription")) {
currentAdvert.setAdvertDescription(parser.nextText());
} else if (name.equalsIgnoreCase("genre")) {
currentAdvert.setGenre(parser.nextText());
} else if (name.equalsIgnoreCase("imageTitle")) {
currentAdvert.setImageTitle(parser.nextText());
} else if (name.equalsIgnoreCase("imageUrl")) {
currentAdvert.setImageUrl(parser.nextText());
} else if (name.equalsIgnoreCase("imageid")) {
currentAdvert.setImageid(parser.nextText());
} else if (name.equalsIgnoreCase("manufacturer")) {
currentAdvert.setManufacturer(parser.nextText());
} else if (name.equalsIgnoreCase("productName")) {
currentAdvert.setProductName(parser.nextText());
} else if (name.equalsIgnoreCase("productid")) {
currentAdvert.setProductid(parser.nextText());
} else if (name.equalsIgnoreCase("purchasePrice")) {
currentAdvert.setPurchasePrice(parser.nextText());
} else if (name.equalsIgnoreCase("sellingPrice")) {
currentAdvert.setSellingPrice(parser.nextText());
}
}
break;
case XmlPullParser.END_TAG:
name = parser.getName();
if (name.equalsIgnoreCase("advert") && currentAdvert != null) {
adverts.add(currentAdvert);
} else if (name.equalsIgnoreCase("adverts")) {
done = true;
}
break;
}
eventType = parser.next();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return adverts;
}
