actual freya branch

L2J_Server/java/com/l2jserver/gameserver/datatables/PetNameTable.java

@@ -0,0 +1,127 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later
+ * version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.gameserver.datatables;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.regex.PatternSyntaxException;
+
+import com.l2jserver.Config;
+import com.l2jserver.L2DatabaseFactory;
+
+public class PetNameTable
+{
+	private static Logger _log = Logger.getLogger(PetNameTable.class.getName());
+	
+	private PetNameTable()
+	{
+	}
+	
+	public static PetNameTable getInstance()
+	{
+		return SingletonHolder._instance;
+	}
+	
+	public boolean doesPetNameExist(String name, int petNpcId)
+	{
+		boolean result = true;
+		Connection con = null;
+		
+		try
+		{
+			con = L2DatabaseFactory.getInstance().getConnection();
+			PreparedStatement statement = con.prepareStatement("SELECT name FROM pets p, items i WHERE p.item_obj_id = i.object_id AND name=? AND i.item_id IN (?)");
+			statement.setString(1, name);
+			
+			String cond = "";
+			for (int it : PetDataTable.getPetItemsByNpc(petNpcId))
+			{
+				if (!cond.isEmpty())
+				{
+					cond += ", ";
+				}
+				cond += it;
+			}
+			statement.setString(2, cond);
+			ResultSet rset = statement.executeQuery();
+			result = rset.next();
+			rset.close();
+			statement.close();
+		}
+		catch (SQLException e)
+		{
+			_log.log(Level.WARNING, "Could not check existing petname:" + e.getMessage(), e);
+		}
+		finally
+		{
+			L2DatabaseFactory.close(con);
+		}
+		return result;
+	}
+	
+	public boolean isValidPetName(String name)
+	{
+		boolean result = true;
+		
+		if (!isAlphaNumeric(name))
+		{
+			return result;
+		}
+		
+		Pattern pattern;
+		try
+		{
+			pattern = Pattern.compile(Config.PET_NAME_TEMPLATE);
+		}
+		catch (PatternSyntaxException e) // case of illegal pattern
+		{
+			_log.warning("ERROR : Pet name pattern of config is wrong!");
+			pattern = Pattern.compile(".*");
+		}
+		Matcher regexp = pattern.matcher(name);
+		if (!regexp.matches())
+		{
+			result = false;
+		}
+		return result;
+	}
+	
+	private boolean isAlphaNumeric(String text)
+	{
+		boolean result = true;
+		char[] chars = text.toCharArray();
+		for (int i = 0; i < chars.length; i++)
+		{
+			if (!Character.isLetterOrDigit(chars[i]))
+			{
+				result = false;
+				break;
+			}
+		}
+		return result;
+	}
+	
+	@SuppressWarnings("synthetic-access")
+	private static class SingletonHolder
+	{
+		protected static final PetNameTable _instance = new PetNameTable();
+	}
+}