private void onBidClicked() {
try {
// Determine which bidder auction is selected
String auctionName = (String) bidList.getSelectedValue();
// Determine what the bid is
int bidPrice = Integer.parseInt(txtBidPrice.getText());
if (auctionName != null) {
// resolve the Object Reference in Naming
Auction auctionImpl = AuctionHelper.narrow(ncRef.resolve_str(auctionName));
// Place bid
auctionImpl.bid(userName, bidPrice);
appletDisplay("Placed bid of $" + Integer.toString(bidPrice) + " on " + auctionName);
// Update the auction lists
updateAuctionLists(false);
}
;
} catch (NumberFormatException e1) {
appletDisplay("Invalid bid price");
} catch (AuctionFailure e2) {
appletDisplay(e2.description);
} catch (Exception e3) {
appletDisplay("Unable to place bid");
System.out.println("ERROR : " + e3);
e3.printStackTrace(System.out);
}
}
private void onSellItemClick() {
try {
// Determine which seller auction is selected
String auctionName = (String) sellList.getSelectedValue();
if (auctionName != null) {
// resolve the Object Reference in Naming
Auction auctionImpl = AuctionHelper.narrow(ncRef.resolve_str(auctionName));
// Sell item
auctionImpl.sellItem(userName);
appletDisplay(auctionName + " has ended");
// Update the auction lists
updateAuctionLists(false);
}
;
} catch (NumberFormatException e1) {
appletDisplay("Invalid bid price");
} catch (AuctionFailure e2) {
appletDisplay(e2.description);
} catch (Exception e3) {
appletDisplay("Unable to place bid");
System.out.println("ERROR : " + e3);
e3.printStackTrace(System.out);
}
}
private void onCreateNewAuctionClicked() {
try {
int startingPrice;
String description = txtDescription.getText();
if (txtStartingPrice.getText().equals("")) {
startingPrice = 0;
} else {
startingPrice = Integer.parseInt(txtStartingPrice.getText());
}
// Get a reference to an inactive auction from the auction manager.
String auctionRef = auctionFactoryImpl.getInactiveAuction();
// resolve the Object Reference in Naming
Auction auctionImpl = AuctionHelper.narrow(ncRef.resolve_str(auctionRef));
// Put an item up for sale
auctionImpl.offerItem(userName, description, startingPrice);
// Update the auction lists
updateAuctionLists(false);
appletDisplay("Started new auction");
} catch (NumberFormatException e1) {
appletDisplay("Invalid starting price");
} catch (AuctionFailure e2) {
appletDisplay(e2.description);
} catch (Exception e3) {
appletDisplay("Unable to create a new auction");
System.out.println("ERROR : " + e3);
e3.printStackTrace(System.out);
}
}
private AuctionStatus getAuctionStatus(String auctionServerName) throws Exception {
BooleanHolder isActive = new BooleanHolder();
StringHolder itemDesc = new StringHolder();
IntHolder price = new IntHolder();
StringHolder highBidder = new StringHolder();
// resolve the Object Reference in Naming
Auction auctionImpl = AuctionHelper.narrow(ncRef.resolve_str(auctionServerName));
// Get the auction status
auctionImpl.viewAuctionStatus(userName, isActive, itemDesc, price, highBidder);
// Return the status
return new AuctionStatus(isActive.value, itemDesc.value, price.value, highBidder.value);
}