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refactor: use try-with-resources for fm shop db operations

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This commit is contained in:
P0nk
2021-04-05 00:07:40 +02:00
parent 80e193398c
commit 0334391e33
2 changed files with 82 additions and 89 deletions
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77
src/main/java/server/MapleShop.java
View File

@@ -21,12 +21,15 @@
*/
package server;
import client.inventory.manipulator.MapleInventoryManipulator;
import client.MapleClient;
import client.inventory.Item;
import client.inventory.MapleInventoryType;
import client.inventory.MaplePet;
import client.inventory.manipulator.MapleInventoryManipulator;
import constants.inventory.ItemConstants;
import tools.DatabaseConnection;
import tools.MaplePacketCreator;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
@@ -35,8 +38,6 @@ import java.util.ArrayList;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import tools.DatabaseConnection;
import tools.MaplePacketCreator;
/**
*
@@ -238,48 +239,48 @@ public class MapleShop {
public static MapleShop createFromDB(int id, boolean isShopId) {
MapleShop ret = null;
int shopId;
try {
Connection con = DatabaseConnection.getConnection();
PreparedStatement ps;
try (Connection con = DatabaseConnection.getConnection()) {
final String query;
if (isShopId) {
ps = con.prepareStatement("SELECT * FROM shops WHERE shopid = ?");
query = "SELECT * FROM shops WHERE shopid = ?";
} else {
ps = con.prepareStatement("SELECT * FROM shops WHERE npcid = ?");
query = "SELECT * FROM shops WHERE npcid = ?";
}
ps.setInt(1, id);
ResultSet rs = ps.executeQuery();
if (rs.next()) {
shopId = rs.getInt("shopid");
ret = new MapleShop(shopId, rs.getInt("npcid"));
rs.close();
ps.close();
} else {
rs.close();
ps.close();
con.close();
return null;
}
ps = con.prepareStatement("SELECT itemid, price, pitch FROM shopitems WHERE shopid = ? ORDER BY position DESC");
ps.setInt(1, shopId);
rs = ps.executeQuery();
List<Integer> recharges = new ArrayList<>(rechargeableItems);
while (rs.next()) {
if (ItemConstants.isRechargeable(rs.getInt("itemid"))) {
MapleShopItem starItem = new MapleShopItem((short) 1, rs.getInt("itemid"), rs.getInt("price"), rs.getInt("pitch"));
ret.addItem(starItem);
if (rechargeableItems.contains(starItem.getItemId())) {
recharges.remove(Integer.valueOf(starItem.getItemId()));
try (PreparedStatement ps = con.prepareStatement(query)) {
ps.setInt(1, id);
try (ResultSet rs = ps.executeQuery()) {
if (rs.next()) {
shopId = rs.getInt("shopid");
ret = new MapleShop(shopId, rs.getInt("npcid"));
} else {
return null;
}
} else {
ret.addItem(new MapleShopItem((short) 1000, rs.getInt("itemid"), rs.getInt("price"), rs.getInt("pitch")));
}
}
for (Integer recharge : recharges) {
ret.addItem(new MapleShopItem((short) 1000, recharge.intValue(), 0, 0));
try (PreparedStatement ps = con.prepareStatement("SELECT itemid, price, pitch FROM shopitems WHERE shopid = ? ORDER BY position DESC")) {
ps.setInt(1, shopId);
try (ResultSet rs = ps.executeQuery()) {
List<Integer> recharges = new ArrayList<>(rechargeableItems);
while (rs.next()) {
if (ItemConstants.isRechargeable(rs.getInt("itemid"))) {
MapleShopItem starItem = new MapleShopItem((short) 1, rs.getInt("itemid"), rs.getInt("price"), rs.getInt("pitch"));
ret.addItem(starItem);
if (rechargeableItems.contains(starItem.getItemId())) {
recharges.remove(Integer.valueOf(starItem.getItemId()));
}
} else {
ret.addItem(new MapleShopItem((short) 1000, rs.getInt("itemid"), rs.getInt("price"), rs.getInt("pitch")));
}
}
for (Integer recharge : recharges) {
ret.addItem(new MapleShopItem((short) 1000, recharge.intValue(), 0, 0));
}
}
}
rs.close();
ps.close();
con.close();
} catch (SQLException e) {
e.printStackTrace();
}

94
src/main/java/server/maps/MapleHiredMerchant.java
View File

@@ -31,6 +31,15 @@ import client.inventory.manipulator.MapleInventoryManipulator;
import client.inventory.manipulator.MapleKarmaManipulator;
import client.processor.npc.FredrickProcessor;
import config.YamlConfig;
import net.server.Server;
import net.server.audit.locks.MonitoredLockType;
import net.server.audit.locks.factory.MonitoredReentrantLockFactory;
import server.MapleItemInformationProvider;
import server.MapleTrade;
import tools.DatabaseConnection;
import tools.MaplePacketCreator;
import tools.Pair;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
@@ -41,14 +50,6 @@ import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.Lock;
import net.server.audit.locks.factory.MonitoredReentrantLockFactory;
import net.server.Server;
import server.MapleItemInformationProvider;
import tools.DatabaseConnection;
import tools.MaplePacketCreator;
import tools.Pair;
import net.server.audit.locks.MonitoredLockType;
import server.MapleTrade;
/**
*
@@ -294,9 +295,7 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
if (owner != null) {
owner.addMerchantMesos(price);
} else {
try {
Connection con = DatabaseConnection.getConnection();
try (Connection con = DatabaseConnection.getConnection()) {
long merchantMesos = 0;
try (PreparedStatement ps = con.prepareStatement("SELECT MerchantMesos FROM characters WHERE id = ?")) {
ps.setInt(1, ownerId);
@@ -313,8 +312,6 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
ps.setInt(2, ownerId);
ps.executeUpdate();
}
con.close();
} catch (Exception e) {
e.printStackTrace();
}
@@ -350,23 +347,23 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
//Server.getInstance().getChannel(world, channel).removeHiredMerchant(ownerId);
map.broadcastMessage(MaplePacketCreator.removeHiredMerchantBox(getOwnerId()));
map.removeMapObject(this);
MapleCharacter owner = Server.getInstance().getWorld(world).getPlayerStorage().getCharacterById(ownerId);
visitorLock.lock();
try {
setOpen(false);
removeAllVisitors();
if(owner != null && owner.isLoggedinWorld() && this == owner.getHiredMerchant()) {
if (owner != null && owner.isLoggedinWorld() && this == owner.getHiredMerchant()) {
closeOwnerMerchant(owner);
}
} finally {
visitorLock.unlock();
}
Server.getInstance().getWorld(world).unregisterHiredMerchant(this);
try {
saveItems(true);
synchronized (items) {
@@ -375,22 +372,18 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
} catch (SQLException ex) {
ex.printStackTrace();
}
MapleCharacter player = Server.getInstance().getWorld(world).getPlayerStorage().getCharacterById(ownerId);
if(player != null) {
player.setHasMerchant(false);
} else {
try {
Connection con = DatabaseConnection.getConnection();
PreparedStatement ps = con.prepareStatement("UPDATE characters SET HasMerchant = 0 WHERE id = ?", PreparedStatement.RETURN_GENERATED_KEYS);
ps.setInt(1, ownerId);
ps.executeUpdate();
ps.close();
con.close();
} catch (SQLException ex) {
ex.printStackTrace();
}
MapleCharacter player = Server.getInstance().getWorld(world).getPlayerStorage().getCharacterById(ownerId);
if (player != null) {
player.setHasMerchant(false);
} else {
try (Connection con = DatabaseConnection.getConnection();
PreparedStatement ps = con.prepareStatement("UPDATE characters SET HasMerchant = 0 WHERE id = ?", PreparedStatement.RETURN_GENERATED_KEYS)) {
ps.setInt(1, ownerId);
ps.executeUpdate();
} catch (SQLException ex) {
ex.printStackTrace();
}
}
map = null;
@@ -407,7 +400,7 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
map.removeMapObject(this);
map.broadcastMessage(MaplePacketCreator.removeHiredMerchantBox(ownerId));
c.getChannelServer().removeHiredMerchant(ownerId);
this.removeAllVisitors();
this.removeOwner(c.getPlayer());
@@ -415,7 +408,7 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
List<MaplePlayerShopItem> copyItems = getItems();
if (check(c.getPlayer(), copyItems) && !timeout) {
for (MaplePlayerShopItem mpsi : copyItems) {
if(mpsi.isExist()) {
if (mpsi.isExist()) {
if (mpsi.getItem().getInventoryType().equals(MapleInventoryType.EQUIP)) {
MapleInventoryManipulator.addFromDrop(c, mpsi.getItem(), false);
} else {
@@ -434,20 +427,19 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
} catch (Exception e) {
e.printStackTrace();
}
// thanks Rohenn for noticing a possible dupe scenario on closing shop
MapleCharacter player = c.getWorldServer().getPlayerStorage().getCharacterById(ownerId);
if(player != null) {
player.setHasMerchant(false);
if (player != null) {
player.setHasMerchant(false);
} else {
Connection con = DatabaseConnection.getConnection();
try (PreparedStatement ps = con.prepareStatement("UPDATE characters SET HasMerchant = 0 WHERE id = ?", PreparedStatement.RETURN_GENERATED_KEYS)) {
ps.setInt(1, ownerId);
ps.executeUpdate();
}
con.close();
try (Connection con = DatabaseConnection.getConnection();
PreparedStatement ps = con.prepareStatement("UPDATE characters SET HasMerchant = 0 WHERE id = ?", PreparedStatement.RETURN_GENERATED_KEYS)) {
ps.setInt(1, ownerId);
ps.executeUpdate();
}
}
if (YamlConfig.config.server.USE_ENFORCE_MERCHANT_SAVE) {
c.getPlayer().saveCharToDB(false);
}
@@ -458,7 +450,7 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
} catch (Exception e) {
e.printStackTrace();
}
Server.getInstance().getWorld(world).unregisterHiredMerchant(this);
}
@@ -646,10 +638,10 @@ public class MapleHiredMerchant extends AbstractMapleMapObject {
bundles.add(newBundle);
}
}
Connection con = DatabaseConnection.getConnection();
ItemFactory.MERCHANT.saveItems(itemsWithType, bundles, this.ownerId, con);
con.close();
try (Connection con = DatabaseConnection.getConnection()) {
ItemFactory.MERCHANT.saveItems(itemsWithType, bundles, this.ownerId, con);
}
FredrickProcessor.insertFredrickLog(this.ownerId);
}