Polish and reformatting

Signed-off-by: Sola <dev@sola.love>

.editorconfig

@@ -0,0 +1,15 @@
+[*]
+charset=utf-8
+end_of_line=lf
+trim_trailing_whitespace=true
+insert_final_newline=true
+indent_style=space
+indent_size=4
+
+[*.json]
+indent_style=space
+indent_size=2
+
+[{*.ddl,*.sql}]
+indent_style=space
+indent_size=2

src/main/java/love/sola/netsupport/Index.java

@@ -17,13 +17,14 @@
 
 package love.sola.netsupport;
 
+import java.io.IOException;
+import java.io.PrintWriter;
+
 import javax.servlet.ServletException;
 import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.io.PrintWriter;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/API.java

@@ -17,14 +17,16 @@
 
 package love.sola.netsupport.api;
 
+import org.apache.commons.lang3.time.DateUtils;
+
+import java.util.Calendar;
+import java.util.Date;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.wechat.Command;
-import org.apache.commons.lang3.time.DateUtils;
-
-import javax.servlet.http.HttpServletRequest;
-import java.util.Calendar;
-import java.util.Date;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/APIRouter.java

@@ -18,6 +18,23 @@
 package love.sola.netsupport.api;
 
 import com.google.gson.Gson;
+
+import org.hibernate.HibernateException;
+import org.reflections.Reflections;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.text.ParseException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.enums.Attribute;
 import love.sola.netsupport.pojo.Operator;
@@ -25,20 +42,6 @@ import love.sola.netsupport.pojo.User;
 import love.sola.netsupport.session.WechatSession;
 import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.SQLCore;
-import org.hibernate.HibernateException;
-import org.reflections.Reflections;
-
-import javax.servlet.ServletException;
-import javax.servlet.annotation.WebServlet;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.text.ParseException;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/CheckSession.java

@@ -17,14 +17,15 @@
 
 package love.sola.netsupport.api;
 
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.enums.Attribute;
 import love.sola.netsupport.session.WxSession;
 
-import javax.servlet.http.HttpServletRequest;
-import java.util.HashMap;
-import java.util.Map;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/api/Login.java

@@ -18,6 +18,16 @@
 package love.sola.netsupport.api;
 
 import com.google.gson.Gson;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.enums.Attribute;
 import love.sola.netsupport.pojo.Operator;
@@ -30,14 +40,6 @@ import love.sola.netsupport.sql.TableUser;
 import love.sola.netsupport.util.Crypto;
 import love.sola.netsupport.wechat.Command;
 
-import javax.servlet.ServletException;
-import javax.servlet.annotation.WebServlet;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.io.PrintWriter;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/api/manager/GetUser.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.api.manager;
 
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.enums.Access;
@@ -25,8 +27,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.TableUser;
 import love.sola.netsupport.wechat.Command;
 
-import javax.servlet.http.HttpServletRequest;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/api/manager/TicketPush.java

@@ -17,6 +17,10 @@
 
 package love.sola.netsupport.api.manager;
 
+import org.hibernate.Session;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.config.Settings;
@@ -30,9 +34,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.SQLCore;
 import love.sola.netsupport.util.Checker;
 import love.sola.netsupport.wechat.Command;
-import org.hibernate.Session;
-
-import javax.servlet.http.HttpServletRequest;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/root/DashBoard.java

@@ -17,15 +17,16 @@
 
 package love.sola.netsupport.api.root;
 
+import java.util.Set;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.session.WechatSession;
 import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.wechat.Command;
 
-import javax.servlet.http.HttpServletRequest;
-import java.util.Set;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/api/root/FlushCache.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.api.root;
 
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.enums.Access;
@@ -24,8 +26,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.TableUser;
 import love.sola.netsupport.wechat.Command;
 
-import javax.servlet.http.HttpServletRequest;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/api/root/SetPassword.java

@@ -17,6 +17,10 @@
 
 package love.sola.netsupport.api.root;
 
+import org.hibernate.Session;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.enums.Access;
@@ -25,9 +29,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.SQLCore;
 import love.sola.netsupport.util.Crypto;
 import love.sola.netsupport.wechat.Command;
-import org.hibernate.Session;
-
-import javax.servlet.http.HttpServletRequest;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/stuff/TicketLog.java

@@ -17,6 +17,16 @@
 
 package love.sola.netsupport.api.stuff;
 
+import org.apache.commons.lang3.time.DateUtils;
+import org.hibernate.Session;
+import org.hibernate.envers.AuditReader;
+import org.hibernate.envers.query.AuditEntity;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.pojo.Ticket;
@@ -24,14 +34,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.SQLCore;
 import love.sola.netsupport.sql.TableTicket;
 import love.sola.netsupport.wechat.Command;
-import org.apache.commons.lang3.time.DateUtils;
-import org.hibernate.Session;
-import org.hibernate.envers.AuditReader;
-import org.hibernate.envers.query.AuditEntity;
-
-import javax.servlet.http.HttpServletRequest;
-import java.text.SimpleDateFormat;
-import java.util.Date;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/stuff/TicketLookup.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.api.stuff;
 
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.enums.Attribute;
@@ -25,8 +27,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.TableTicket;
 import love.sola.netsupport.wechat.Command;
 
-import javax.servlet.http.HttpServletRequest;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/api/stuff/TicketTrack.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.api.stuff;
 
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.enums.Access;
@@ -24,8 +26,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.TableTicket;
 import love.sola.netsupport.wechat.Command;
 
-import javax.servlet.http.HttpServletRequest;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/api/stuff/TicketUpdate.java

@@ -17,6 +17,12 @@
 
 package love.sola.netsupport.api.stuff;
 
+import org.hibernate.Session;
+
+import java.util.Date;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.enums.Access;
@@ -27,10 +33,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.SQLCore;
 import love.sola.netsupport.util.Checker;
 import love.sola.netsupport.wechat.Command;
-import org.hibernate.Session;
-
-import javax.servlet.http.HttpServletRequest;
-import java.util.Date;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/stuff/ToolsCheck.java

@@ -17,14 +17,6 @@
 
 package love.sola.netsupport.api.stuff;
 
-import love.sola.netsupport.api.API;
-import love.sola.netsupport.api.Error;
-import love.sola.netsupport.enums.Access;
-import love.sola.netsupport.enums.Attribute;
-import love.sola.netsupport.pojo.Operator;
-import love.sola.netsupport.session.WxSession;
-import love.sola.netsupport.sql.SQLCore;
-import love.sola.netsupport.wechat.Command;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.time.DateUtils;
 import org.hibernate.Criteria;
@@ -33,9 +25,19 @@ import org.hibernate.criterion.Restrictions;
 import org.hibernate.type.IntegerType;
 import org.hibernate.type.Type;
 
-import javax.servlet.http.HttpServletRequest;
 import java.util.Date;
 
+import javax.servlet.http.HttpServletRequest;
+
+import love.sola.netsupport.api.API;
+import love.sola.netsupport.api.Error;
+import love.sola.netsupport.enums.Access;
+import love.sola.netsupport.enums.Attribute;
+import love.sola.netsupport.pojo.Operator;
+import love.sola.netsupport.session.WxSession;
+import love.sola.netsupport.sql.SQLCore;
+import love.sola.netsupport.wechat.Command;
+
 /**
  * @author Sola
  */

src/main/java/love/sola/netsupport/api/user/ProfileModify.java

@@ -17,6 +17,10 @@
 
 package love.sola.netsupport.api.user;
 
+import org.hibernate.exception.ConstraintViolationException;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.enums.Access;
@@ -26,11 +30,12 @@ import love.sola.netsupport.pojo.User;
 import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.TableUser;
 import love.sola.netsupport.wechat.Command;
-import org.hibernate.exception.ConstraintViolationException;
 
-import javax.servlet.http.HttpServletRequest;
+import static love.sola.netsupport.util.Checker.checkBlock;
-
+import static love.sola.netsupport.util.Checker.checkISP;
-import static love.sola.netsupport.util.Checker.*;
+import static love.sola.netsupport.util.Checker.checkNetAccount;
+import static love.sola.netsupport.util.Checker.checkPhoneNumber;
+import static love.sola.netsupport.util.Checker.checkRoom;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/user/Register.java

@@ -17,6 +17,10 @@
 
 package love.sola.netsupport.api.user;
 
+import org.hibernate.exception.ConstraintViolationException;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.enums.Access;
@@ -26,11 +30,13 @@ import love.sola.netsupport.pojo.User;
 import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.TableUser;
 import love.sola.netsupport.wechat.Command;
-import org.hibernate.exception.ConstraintViolationException;
 
-import javax.servlet.http.HttpServletRequest;
+import static love.sola.netsupport.util.Checker.checkBlock;
-
+import static love.sola.netsupport.util.Checker.checkISP;
-import static love.sola.netsupport.util.Checker.*;
+import static love.sola.netsupport.util.Checker.checkNetAccount;
+import static love.sola.netsupport.util.Checker.checkPhoneNumber;
+import static love.sola.netsupport.util.Checker.checkRoom;
+import static love.sola.netsupport.util.Checker.checkStudentId;
 
 /**
  * @author Sola {@literal <dev@sola.love>}
@@ -73,7 +79,8 @@ public class Register extends API {
         User user = TableUser.getById(sid);
         if (user == null) return Error.INVALID_PARAMETER.withMsg("Invalid_Student_Id");
         if (!user.getName().equals(name)) return Error.INVALID_PARAMETER.withMsg("Invalid_Name");
-        if (user.getWechatId() != null) return Error.INVALID_PARAMETER.withMsg("User_Already_Registered");
+        if (user.getWechatId() != null)
+            return Error.INVALID_PARAMETER.withMsg("User_Already_Registered");
         user.setIsp(isp);
         user.setNetAccount(netAccount);
         user.setBlock(block);

src/main/java/love/sola/netsupport/api/user/TicketQuery.java

@@ -17,6 +17,13 @@
 
 package love.sola.netsupport.api.user;
 
+import org.hibernate.Criteria;
+import org.hibernate.Session;
+import org.hibernate.criterion.Order;
+import org.hibernate.criterion.Restrictions;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.enums.Attribute;
@@ -25,12 +32,6 @@ import love.sola.netsupport.pojo.User;
 import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.SQLCore;
 import love.sola.netsupport.wechat.Command;
-import org.hibernate.Criteria;
-import org.hibernate.Session;
-import org.hibernate.criterion.Order;
-import org.hibernate.criterion.Restrictions;
-
-import javax.servlet.http.HttpServletRequest;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/api/user/TicketSubmit.java

@@ -17,6 +17,10 @@
 
 package love.sola.netsupport.api.user;
 
+import org.hibernate.Session;
+
+import javax.servlet.http.HttpServletRequest;
+
 import love.sola.netsupport.api.API;
 import love.sola.netsupport.api.Error;
 import love.sola.netsupport.config.Settings;
@@ -28,9 +32,6 @@ import love.sola.netsupport.session.WxSession;
 import love.sola.netsupport.sql.SQLCore;
 import love.sola.netsupport.sql.TableTicket;
 import love.sola.netsupport.wechat.Command;
-import org.hibernate.Session;
-
-import javax.servlet.http.HttpServletRequest;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/auth/OAuth2.java

@@ -17,12 +17,9 @@
 
 package love.sola.netsupport.auth;
 
-import love.sola.netsupport.session.WechatSession;
+import java.io.IOException;
-import love.sola.netsupport.session.WxSession;
+import java.util.HashMap;
-import love.sola.netsupport.util.Checker;
+import java.util.Map;
-import love.sola.netsupport.wechat.WxMpServlet;
-import me.chanjar.weixin.mp.api.WxMpService;
-import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
 
 import javax.servlet.AsyncContext;
 import javax.servlet.ServletException;
@@ -30,9 +27,13 @@ import javax.servlet.annotation.WebServlet;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
+
-import java.util.HashMap;
+import love.sola.netsupport.session.WechatSession;
-import java.util.Map;
+import love.sola.netsupport.session.WxSession;
+import love.sola.netsupport.util.Checker;
+import love.sola.netsupport.wechat.WxMpServlet;
+import me.chanjar.weixin.mp.api.WxMpService;
+import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/auth/OAuth2Handler.java

@@ -17,11 +17,11 @@
 
 package love.sola.netsupport.auth;
 
-import love.sola.netsupport.session.WxSession;
-
 import javax.servlet.AsyncContext;
 import javax.servlet.http.HttpServletResponse;
 
+import love.sola.netsupport.session.WxSession;
+
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/enums/ISP.java

@@ -30,7 +30,8 @@ public enum ISP {
     TELECOM(1, "^1[3|4|5|7|8][0-9]{9}$"),
     UNICOM(2, "ZSZJLAN[0-9]{10}@16900\\.gd"),
     CHINAMOBILE(3, "^1[3|4|5|7|8][0-9]{9}@139\\.gd$"),
-    OTHER(4, ".*"),;
+    OTHER(4, ".*"),
+    ;
 
     private static final Map<String, ISP> NAME_MAP = new HashMap<>();
     private static final Map<Integer, ISP> ID_MAP = new HashMap<>();

src/main/java/love/sola/netsupport/pojo/Ticket.java

@@ -17,13 +17,22 @@
 
 package love.sola.netsupport.pojo;
 
-import love.sola.netsupport.sql.TableTicket;
 import org.hibernate.envers.Audited;
 import org.hibernate.envers.RelationTargetAuditMode;
 
-import javax.persistence.*;
 import java.util.Date;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
+import love.sola.netsupport.sql.TableTicket;
+
 /**
  * @author Sola {@literal <dev@sola.love>}
  */
@@ -47,7 +56,7 @@ public class Ticket {
     private Date submitTime;
     private String remark;
     private Date updateTime;
-    @ManyToOne(optional = true)
+    @ManyToOne
     @JoinColumn(name = TableTicket.COLUMN_OPSID)
     private Operator operator;
     private Integer status;

src/main/java/love/sola/netsupport/pojo/ToolsCheck.java

@@ -3,9 +3,18 @@ package love.sola.netsupport.pojo;
 import org.hibernate.annotations.ColumnDefault;
 import org.hibernate.annotations.DynamicInsert;
 
-import javax.persistence.*;
 import java.util.Date;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Index;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/pojo/User.java

@@ -18,11 +18,16 @@
 package love.sola.netsupport.pojo;
 
 import com.google.gson.annotations.Expose;
+
+import javax.persistence.Column;
+import javax.persistence.Convert;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
 import love.sola.netsupport.enums.ISP;
 import love.sola.netsupport.enums.ISPConverter;
 
-import javax.persistence.*;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/session/MapSession.java

@@ -33,7 +33,11 @@
 package love.sola.netsupport.session;
 
 import java.io.Serializable;
-import java.util.*;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+import java.util.UUID;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/session/MapSessionRepository.java

@@ -35,13 +35,16 @@ package love.sola.netsupport.session;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
-import love.sola.netsupport.config.Settings;
+
 import org.apache.commons.lang3.Validate;
 
-import javax.annotation.Nonnull;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 
+import javax.annotation.Nonnull;
+
+import love.sola.netsupport.config.Settings;
+
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/sql/SQLCore.java

@@ -17,14 +17,21 @@
 
 package love.sola.netsupport.sql;
 
-import com.google.gson.*;
+import com.google.gson.ExclusionStrategy;
+import com.google.gson.FieldAttributes;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializer;
+import com.google.gson.TypeAdapter;
+import com.google.gson.TypeAdapterFactory;
 import com.google.gson.annotations.Expose;
 import com.google.gson.reflect.TypeToken;
 import com.google.gson.stream.JsonReader;
 import com.google.gson.stream.JsonWriter;
 import com.mchange.v2.c3p0.ComboPooledDataSource;
-import love.sola.netsupport.enums.ISP;
+
-import love.sola.netsupport.wechat.Command;
 import org.hibernate.Hibernate;
 import org.hibernate.Session;
 import org.hibernate.SessionFactory;
@@ -35,11 +42,15 @@ import org.hibernate.envers.AuditReaderFactory;
 import org.hibernate.proxy.HibernateProxy;
 import org.hibernate.service.ServiceRegistry;
 
+import java.io.IOException;
+import java.util.Date;
+
 import javax.naming.InitialContext;
 import javax.naming.NamingException;
 import javax.sql.DataSource;
-import java.io.IOException;
+
-import java.util.Date;
+import love.sola.netsupport.enums.ISP;
+import love.sola.netsupport.wechat.Command;
 
 /**
  * @author Sola {@literal <dev@sola.love>}
@@ -146,7 +157,7 @@ public class SQLCore {
             // Get the TypeAdapter of the original class, to delegate the serialization
             TypeAdapter delegate = context.getAdapter(TypeToken.get(baseType));
             // Get a filled instance of the original class
-            Object unproxiedValue = ((HibernateProxy) value).getHibernateLazyInitializer()
+            Object unproxiedValue = value.getHibernateLazyInitializer()
                     .getImplementation();
             // Serialize the value
             delegate.write(out, unproxiedValue);

src/main/java/love/sola/netsupport/sql/TableConfig.java

@@ -17,9 +17,13 @@
 
 package love.sola.netsupport.sql;
 
-import love.sola.netsupport.config.Settings;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
 
-import java.sql.*;
+import love.sola.netsupport.config.Settings;
 
 /**
  * @author Sola {@literal <dev@sola.love>}

src/main/java/love/sola/netsupport/sql/TableOperator.java

@@ -17,11 +17,12 @@
 
 package love.sola.netsupport.sql;
 
-import love.sola.netsupport.pojo.Operator;
 import org.hibernate.Session;
 import org.hibernate.criterion.Projections;
 import org.hibernate.criterion.Restrictions;
 
+import love.sola.netsupport.pojo.Operator;
+
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/sql/TableTicket.java

@@ -17,9 +17,6 @@
 
 package love.sola.netsupport.sql;
 
-import love.sola.netsupport.enums.Status;
-import love.sola.netsupport.pojo.Ticket;
-import love.sola.netsupport.pojo.User;
 import org.hibernate.Session;
 import org.hibernate.criterion.Order;
 import org.hibernate.criterion.Projections;
@@ -29,6 +26,10 @@ import org.hibernate.envers.query.AuditEntity;
 
 import java.util.List;
 
+import love.sola.netsupport.enums.Status;
+import love.sola.netsupport.pojo.Ticket;
+import love.sola.netsupport.pojo.User;
+
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/sql/TableUser.java

@@ -20,14 +20,16 @@ package love.sola.netsupport.sql;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
-import love.sola.netsupport.config.Settings;
+
-import love.sola.netsupport.pojo.User;
 import org.hibernate.Session;
 import org.hibernate.criterion.Restrictions;
 
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 
+import love.sola.netsupport.config.Settings;
+import love.sola.netsupport.pojo.User;
+
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/util/ParseUtil.java

@@ -17,11 +17,11 @@
 
 package love.sola.netsupport.util;
 
+import java.text.SimpleDateFormat;
+
 import love.sola.netsupport.enums.Status;
 import love.sola.netsupport.pojo.Ticket;
 
-import java.text.SimpleDateFormat;
-
 import static love.sola.netsupport.config.Lang.lang;
 
 /**
@@ -38,7 +38,8 @@ public class ParseUtil {
                 .append(lang("Ticket_Info_Submit_Time")).append(dateFormat.format(t.getSubmitTime())).append("\n");
         if (t.getOperator() != null)
             sb.append(lang("Ticket_Info_Operator")).append(t.getOperator().getId()).append("\n");
-        if (t.getRemark() != null) sb.append(lang("Ticket_Info_Remark")).append(t.getRemark()).append("\n");
+        if (t.getRemark() != null)
+            sb.append(lang("Ticket_Info_Remark")).append(t.getRemark()).append("\n");
         if (t.getUpdateTime() != null)
             sb.append(lang("Ticket_Info_Update_Time")).append(dateFormat.format(t.getUpdateTime())).append("\n");
         sb.append(lang("Ticket_Info_Status")).append(Status.getLocalized(t.getStatus()));

src/main/java/love/sola/netsupport/util/Redirect.java

@@ -19,9 +19,10 @@ package love.sola.netsupport.util;
 
 import com.google.common.net.UrlEscapers;
 
-import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 
+import javax.servlet.http.HttpServletResponse;
+
 import static love.sola.netsupport.config.Lang.lang;
 
 /**
@@ -115,7 +116,8 @@ public class Redirect {
         WARN("weui_icon_warn"),
         WARN_SAFE("weui_icon_safe_warn"),
         DOWNLOAD("weui_icon_download"),
-        CANCEL("weui_icon_cancel"),;
+        CANCEL("weui_icon_cancel"),
+        ;
 
         private String value;
 

src/main/java/love/sola/netsupport/wechat/Command.java

@@ -17,15 +17,19 @@
 
 package love.sola.netsupport.wechat;
 
-import love.sola.netsupport.wechat.handler.*;
+import java.util.HashMap;
+import java.util.Map;
+
+import love.sola.netsupport.wechat.handler.CancelHandler;
+import love.sola.netsupport.wechat.handler.ProfileHandler;
+import love.sola.netsupport.wechat.handler.QueryHandler;
+import love.sola.netsupport.wechat.handler.RegisterHandler;
+import love.sola.netsupport.wechat.handler.SubmitHandler;
 import love.sola.netsupport.wechat.handler.admin.LoginHandler;
 import love.sola.netsupport.wechat.handler.admin.OperatorInfoHandler;
 import love.sola.netsupport.wechat.handler.admin.SignHandler;
 import me.chanjar.weixin.mp.api.WxMpMessageHandler;
 
-import java.util.HashMap;
-import java.util.Map;
-
 import static love.sola.netsupport.config.Lang.lang;
 
 /**

src/main/java/love/sola/netsupport/wechat/WxMpServlet.java

@@ -17,6 +17,14 @@
 
 package love.sola.netsupport.wechat;
 
+import java.io.IOException;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 import love.sola.netsupport.auth.OAuth2;
 import love.sola.netsupport.auth.OAuth2Handler;
 import love.sola.netsupport.config.Settings;
@@ -27,17 +35,14 @@ import love.sola.netsupport.wechat.matcher.CheckSpamMatcher;
 import love.sola.netsupport.wechat.matcher.RegisterMatcher;
 import me.chanjar.weixin.common.api.WxConsts;
 import me.chanjar.weixin.common.util.StringUtils;
-import me.chanjar.weixin.mp.api.*;
+import me.chanjar.weixin.mp.api.WxMpInMemoryConfigStorage;
+import me.chanjar.weixin.mp.api.WxMpMessageHandler;
+import me.chanjar.weixin.mp.api.WxMpMessageRouter;
+import me.chanjar.weixin.mp.api.WxMpService;
+import me.chanjar.weixin.mp.api.WxMpServiceImpl;
 import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 
-import javax.servlet.ServletException;
-import javax.servlet.annotation.WebServlet;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-
 import static love.sola.netsupport.config.Lang.lang;
 
 /**

src/main/java/love/sola/netsupport/wechat/handler/AutoReplyHandler.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.wechat.handler;
 
+import java.util.Map;
+
 import me.chanjar.weixin.common.exception.WxErrorException;
 import me.chanjar.weixin.common.session.WxSessionManager;
 import me.chanjar.weixin.mp.api.WxMpMessageHandler;
@@ -24,8 +26,6 @@ import me.chanjar.weixin.mp.api.WxMpService;
 import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 
-import java.util.Map;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/wechat/handler/CancelHandler.java

@@ -17,6 +17,11 @@
 
 package love.sola.netsupport.wechat.handler;
 
+import org.hibernate.Session;
+
+import java.util.Date;
+import java.util.Map;
+
 import love.sola.netsupport.enums.Status;
 import love.sola.netsupport.pojo.Operator;
 import love.sola.netsupport.pojo.Ticket;
@@ -33,10 +38,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutNewsMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.NewsBuilder;
-import org.hibernate.Session;
-
-import java.util.Date;
-import java.util.Map;
 
 import static love.sola.netsupport.config.Lang.lang;
 

src/main/java/love/sola/netsupport/wechat/handler/ProfileHandler.java

@@ -17,6 +17,11 @@
 
 package love.sola.netsupport.wechat.handler;
 
+import java.util.Map;
+
+import javax.servlet.AsyncContext;
+import javax.servlet.http.HttpServletResponse;
+
 import love.sola.netsupport.auth.OAuth2Handler;
 import love.sola.netsupport.enums.Attribute;
 import love.sola.netsupport.pojo.User;
@@ -33,10 +38,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.TextBuilder;
 
-import javax.servlet.AsyncContext;
-import javax.servlet.http.HttpServletResponse;
-import java.util.Map;
-
 import static love.sola.netsupport.config.Lang.format;
 import static love.sola.netsupport.config.Lang.lang;
 

src/main/java/love/sola/netsupport/wechat/handler/QueryHandler.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.wechat.handler;
 
+import java.util.Map;
+
 import love.sola.netsupport.enums.Attribute;
 import love.sola.netsupport.pojo.Ticket;
 import love.sola.netsupport.pojo.User;
@@ -35,8 +37,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutNewsMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.NewsBuilder;
 
-import java.util.Map;
-
 import static love.sola.netsupport.config.Lang.format;
 import static love.sola.netsupport.config.Lang.lang;
 

src/main/java/love/sola/netsupport/wechat/handler/RegisterHandler.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.wechat.handler;
 
+import java.util.Map;
+
 import love.sola.netsupport.enums.Attribute;
 import love.sola.netsupport.pojo.User;
 import love.sola.netsupport.session.WechatSession;
@@ -31,8 +33,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.TextBuilder;
 
-import java.util.Map;
-
 import static love.sola.netsupport.config.Lang.format;
 
 /**

src/main/java/love/sola/netsupport/wechat/handler/SubmitHandler.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.wechat.handler;
 
+import java.util.Map;
+
 import love.sola.netsupport.enums.Attribute;
 import love.sola.netsupport.pojo.User;
 import love.sola.netsupport.session.WechatSession;
@@ -33,8 +35,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutNewsMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.NewsBuilder;
 
-import java.util.Map;
-
 import static love.sola.netsupport.config.Lang.format;
 import static love.sola.netsupport.config.Lang.lang;
 

src/main/java/love/sola/netsupport/wechat/handler/SubscribeHandler.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.wechat.handler;
 
+import java.util.Map;
+
 import love.sola.netsupport.enums.Attribute;
 import love.sola.netsupport.pojo.Operator;
 import love.sola.netsupport.pojo.User;
@@ -33,8 +35,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.TextBuilder;
 
-import java.util.Map;
-
 import static love.sola.netsupport.config.Lang.format;
 
 /**

src/main/java/love/sola/netsupport/wechat/handler/admin/LoginHandler.java

@@ -17,6 +17,11 @@
 
 package love.sola.netsupport.wechat.handler.admin;
 
+import java.util.Map;
+
+import javax.servlet.AsyncContext;
+import javax.servlet.http.HttpServletResponse;
+
 import love.sola.netsupport.auth.OAuth2Handler;
 import love.sola.netsupport.enums.Access;
 import love.sola.netsupport.enums.Attribute;
@@ -34,10 +39,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.TextBuilder;
 
-import javax.servlet.AsyncContext;
-import javax.servlet.http.HttpServletResponse;
-import java.util.Map;
-
 import static love.sola.netsupport.config.Lang.format;
 import static love.sola.netsupport.config.Lang.lang;
 

src/main/java/love/sola/netsupport/wechat/handler/admin/OperatorInfoHandler.java

@@ -17,6 +17,8 @@
 
 package love.sola.netsupport.wechat.handler.admin;
 
+import java.util.Map;
+
 import love.sola.netsupport.pojo.Operator;
 import love.sola.netsupport.sql.TableOperator;
 import me.chanjar.weixin.common.exception.WxErrorException;
@@ -27,8 +29,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.TextBuilder;
 
-import java.util.Map;
-
 import static love.sola.netsupport.config.Lang.format;
 import static love.sola.netsupport.config.Lang.lang;
 

src/main/java/love/sola/netsupport/wechat/handler/admin/SignHandler.java

@@ -17,6 +17,14 @@
 
 package love.sola.netsupport.wechat.handler.admin;
 
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
 import love.sola.netsupport.sql.SQLCore;
 import me.chanjar.weixin.common.exception.WxErrorException;
 import me.chanjar.weixin.common.session.WxSessionManager;
@@ -26,14 +34,6 @@ import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 import me.chanjar.weixin.mp.bean.WxMpXmlOutMessage;
 import me.chanjar.weixin.mp.bean.outxmlbuilder.TextBuilder;
 
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.Map;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  * @deprecated limited time only

src/main/java/love/sola/netsupport/wechat/matcher/CheckSpamMatcher.java

@@ -20,12 +20,13 @@ package love.sola.netsupport.wechat.matcher;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
+
+import java.util.concurrent.TimeUnit;
+
 import love.sola.netsupport.config.Settings;
 import me.chanjar.weixin.mp.api.WxMpMessageMatcher;
 import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 
-import java.util.concurrent.TimeUnit;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/java/love/sola/netsupport/wechat/matcher/CommandMatcher.java

@@ -17,13 +17,13 @@
 
 package love.sola.netsupport.wechat.matcher;
 
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
 import love.sola.netsupport.wechat.Command;
 import me.chanjar.weixin.mp.api.WxMpMessageMatcher;
 import me.chanjar.weixin.mp.bean.WxMpXmlMessage;
 
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/main/resources/hibernate.cfg.xml

@@ -1,11 +1,9 @@
-<?xml version='1.0' encoding='utf-8'?>
+<?xml version='1.0' encoding='utf-8'?><!--
-<!--
   ~ Hibernate, Relational Persistence for Idiomatic Java
   ~
   ~ License: GNU Lesser General Public License (LGPL), version 2.1 or later.
   ~ See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
-  -->
+  --><!DOCTYPE hibernate-configuration PUBLIC
-<!DOCTYPE hibernate-configuration PUBLIC
     "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
     "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
 
@@ -28,7 +26,8 @@
         <property name="dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>
 
         <!-- Disable the second-level cache  -->
-        <property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property>
+        <property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider
+        </property>
 
         <!-- Echo all executed SQL to stdout -->
         <property name="show_sql">true</property>
@@ -37,10 +36,10 @@
         <property name="hbm2ddl.auto">validate</property>
 
         <!-- Names the annotated entity class -->
-        <mapping class="love.sola.netsupport.pojo.User"/>
+        <mapping class="love.sola.netsupport.pojo.User" />
-        <mapping class="love.sola.netsupport.pojo.Ticket"/>
+        <mapping class="love.sola.netsupport.pojo.Ticket" />
-        <mapping class="love.sola.netsupport.pojo.Operator"/>
+        <mapping class="love.sola.netsupport.pojo.Operator" />
-        <mapping class="love.sola.netsupport.pojo.ToolsCheck"/>
+        <mapping class="love.sola.netsupport.pojo.ToolsCheck" />
 
     </session-factory>
 

src/main/webapp/META-INF/context.xml

@@ -1,5 +1,4 @@
-<?xml version='1.0' encoding='utf-8'?>
+<?xml version='1.0' encoding='utf-8'?><!--
-<!--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
@@ -14,9 +13,7 @@
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
--->
+--><!-- The contents of this file will be loaded for each web application --><!-- Don't swallowOutput for debugging, true for logging(production) -->
-<!-- The contents of this file will be loaded for each web application -->
-<!-- Don't swallowOutput for debugging, true for logging(production) -->
 <Context antiResourceLocking="true">
 
     <!-- Default set of monitored resources -->
@@ -26,20 +23,12 @@
     <!--
     <Manager pathname="" />
     -->
-    <Resource auth="Container"
+    <Resource auth="Container" description="C3P0 database connection pool"
-              description="C3P0 database connection pool"
+        driverClass="com.mysql.jdbc.Driver" maxPoolSize="10" minPoolSize="2" acquireIncrement="1"
-              driverClass="com.mysql.jdbc.Driver"
+        maxIdleTime="3600" idleConnectionTestPeriod="1800" name="jdbc/netsupport" user="root"
-              maxPoolSize="10"
+        password="" factory="org.apache.naming.factory.BeanFactory"
-              minPoolSize="2"
-              acquireIncrement="1"
-              maxIdleTime="3600"
-              idleConnectionTestPeriod="1800"
-              name="jdbc/netsupport"
-              user="root"
-              password=""
-              factory="org.apache.naming.factory.BeanFactory"
         type="com.mchange.v2.c3p0.ComboPooledDataSource"
-              jdbcUrl="jdbc:mysql://localhost:3306/netsupport?autoReconnect=true&amp;characterEncoding=utf8"/>
+        jdbcUrl="jdbc:mysql://localhost:3306/netsupport?autoReconnect=true&amp;characterEncoding=utf8" />
     <!-- Uncomment this to enable Comet connection tacking (provides events
          on session expiration as well as webapp lifecycle) -->
     <!--

src/main/webapp/WEB-INF/web.xml

@@ -1,9 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
-         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
+                             http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1">
-                             http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
-         version="3.1">
 
     <!-- General description of your web application -->
 

src/test/java/love/sola/netsupport/util/GsonTest.java

@@ -1,11 +1,17 @@
 package love.sola.netsupport.util;
 
-import com.google.gson.*;
+import com.google.gson.Gson;
-import love.sola.netsupport.enums.ISP;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.JsonSerializer;
+
 import org.junit.Test;
 
 import java.util.Date;
 
+import love.sola.netsupport.enums.ISP;
+
 /**
  * @author Sola {@literal <dev@sola.love>}
  */

src/test/java/love/sola/netsupport/util/URLEncodeTest.java

@@ -1,6 +1,7 @@
 package love.sola.netsupport.util;
 
 import com.google.common.net.UrlEscapers;
+
 import org.junit.Test;
 
 import java.io.UnsupportedEncodingException;