AccessInBuildingSession.Java
package accessinbuilding;
import java.text.DateFormat;
import java.util.Date;
import java.util.List;
import javax.ejb.Stateful;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
@Stateful
public class AccessInBuildingSession implements AccessInBuildingSessionRemote, AccessInBuildingSessionLocal {
@PersistenceContext(unitName = "AccessInBuilding-ejbPU")
private EntityManager em;
private String token = "";
public void login(String login, String pwd) {
if( "client".equals(login) && "pwd_client".equals(pwd) ) token = "token_key";
else token = "";
}
public String getToken() {
return token;
}
public void persist(Object object) {
//em.persist(object);
}
@Override
public int findByNameOrCode(String name, int code) {
Query query = em.createNamedQuery("Access.findByAccess");
query.setParameter("name", name);
query.setParameter("code", code);
List access = query.getResultList();
if( access.size() > 0 ) {
return ((Access)access.get(0)).getId();
} else {
return 0;
}
}
@Override
public void addAccess(String name, int code) {
Access access = new Access();
access.setName(name);
if( code > 0 ) {
access.setCode(code);
}
em.persist(access);
addLog(access.getId(),0,"добавлен новый пользователь");
}
@Override
public int findCountAct() {
Query query = em.createNamedQuery("Access.findCountAct");
List access = query.getResultList();
if( access.size() > 0 ) {
return access.size();
} else {
return 0;
}
}
@Override
public List getAllUsers() {
Query query = em.createNamedQuery("Access.findAll");
List access = query.getResultList();
return access;
}
@Override
public void updateAct(int id, int act) {
Query query = em.createNamedQuery("Access.findById");
query.setParameter("id", id);
List a = query.getResultList();
Access access;
access = (Access)a.get(0);
access.setAct(act);
em.persist(access);
}
@Override
public void addLog(int id, int act, String descr) {
Access access = em.find(Access.class, id);
String name = access.getName();
if( descr == "" )
descr = ( act > 0 ? "вход в здание" : "выход из здания" );
Log log = new Log();
log.setDate( new Date() );
log.setDescr(id + ":" + name +":" + descr);
log.setAssignedAccess(access);
em.persist(log);
}
@Override
public List getLogs() {
Query query = em.createNamedQuery("Log.findAll").setMaxResults(20);
List log = query.getResultList();
return log;
}
}
AccessInBuildingSessionLocal.java
package accessinbuilding;
import javax.ejb.Local;
@Local
public interface AccessInBuildingSessionLocal {
}
Log.java
package accessinbuilding;
import java.io.Serializable;
import java.util.Date;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
import javax.xml.bind.annotation.XmlRootElement;
@Entity
@Table(name = "LOG")
@XmlRootElement
@NamedQueries({
@NamedQuery(name = "Log.findAll", query = "SELECT l FROM Log l ORDER BY l.date DESC"),
@NamedQuery(name = "Log.findById", query = "SELECT l FROM Log l WHERE l.id = :id"),
@NamedQuery(name = "Log.findByDate", query = "SELECT l FROM Log l WHERE l.date = :date"),
@NamedQuery(name = "Log.findByDescr", query = "SELECT l FROM Log l WHERE l.descr = :descr")})
public class Log implements Serializable {
private static final long serialVersionUID = 1L;
@ManyToOne
@NotNull
private Access assignedAccess;
public Access getAssignedAccess() {
return assignedAccess;
}
public void setAssignedAccess(Access access) {
this.assignedAccess = access;
}
@Id
@Basic(optional = false)
@NotNull
@GeneratedValue
@Column(name = "ID")
private Integer id;
@Basic(optional = false)
@NotNull
@Column(name = "DATE")
@Temporal(TemporalType.DATE)
private Date date;
@Basic(optional = false)
@NotNull
@Size(min = 1, max = 120)
@Column(name = "DESCR")
private String descr;
public Log() {
}
public Log(Integer id) {
this.id = id;
}
public Log(Integer id, Date date, String descr) {
this.id = id;
this.date = date;
this.descr = descr;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
public String getDescr() {
return descr;
}
public void setDescr(String descr) {
this.descr = descr;
}
@Override
public int hashCode() {
int hash = 0;
hash += (id != null ? id.hashCode() : 0);
return hash;
}
@Override
public boolean equals(Object object) {
if (!(object instanceof Log)) {
return false;
}
Log other = (Log) object;
if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
return false;
}
return true;
}
@Override
public String toString() {
return "accessinbuilding.Log[ id=" + id + " ]";
}
}
AccessInBuildingSessionRemote.java
package accessinbuilding;
import java.util.List;
import javax.ejb.Remote;
@Remote
public interface AccessInBuildingSessionRemote {
int findByNameOrCode(String name, int code);
void addAccess(String name, int code);
int findCountAct();
List getAllUsers();
void updateAct(int id, int act);
void addLog(int id, int act, String descr);
List getLogs();
void login(String login, String pwd);
String getToken();
}
Web-модуль:
Act.jsp
<%@page contentType="text/html" pageEncoding="utf-8"%>
<%@page import="javax.naming.*, accessinbuilding.*" %>
<%@page errorPage="err.jsp"%>
<%!
AccessInBuildingSessionRemote ejbRef;
%>
<%
InitialContext ic = new InitialContext();
ejbRef = (AccessInBuildingSessionRemote)ic.lookup("accessinbuilding.AccessInBuildingSessionRemote");
int cnt = ejbRef.findCountAct();
%>
<%=cnt%>
Add.jsp
<%@page contentType="text/html" pageEncoding="utf-8"%>
<%@page import="javax.naming.*, accessinbuilding.*" %>
<%@page errorPage="err.jsp"%>
<%!
AccessInBuildingSessionRemote ejbRef;
%>
<%
InitialContext ic = new InitialContext();
ejbRef = (AccessInBuildingSessionRemote)ic.lookup("accessinbuilding.AccessInBuildingSessionRemote");
ejbRef.addAccess( request.getParameter("name"), Integer.parseInt(request.getParameter("code")) );
%>
done
Err.jsp
<%@page contentType="text/html" pageEncoding="UTF-8"%>
error
Find.jsp
<%@page contentType="text/html" pageEncoding="utf-8"%>
<%@page import="javax.naming.*, accessinbuilding.*" %>
<%@ page errorPage="err.jsp"%>
<%!
AccessInBuildingSessionRemote ejbRef;
%>
<%
InitialContext ic = new InitialContext();
ejbRef = (AccessInBuildingSessionRemote)ic.lookup("accessinbuilding.AccessInBuildingSessionRemote");
int findID = ejbRef.findByNameOrCode( request.getParameter("name"), Integer.parseInt(request.getParameter("code")) );
%>
<%=findID%>
Index.jsp
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1251">
<title>Система учета прохода в здание</title>
<link href="css.css" type="text/css" rel="stylesheet" />
<link href="css/jquery-ui-1.9.1.custom.css" type="text/css" rel="stylesheet">
<script src="jquery-1.8.2.min.js"></script>
<script src="jquery-ui.js"></script>
<script type='text/javascript'>jQuery.noConflict();</script>
<script src="js.js"></script>
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="700" align="center" class="body">
<tr>
<td>
<h1>Система учета прохода в здание</h1>
<div align="right" class="add_b">
<div align="right">Добавить нового пользователя</div>
</div>
<form action="add.jsp" method="post" enctype="multipart/form-data" class="add_form">
Имя<sup>*</sup>: <input type="text" name="name" id="add_name" value="" />
Код: <input type="text" name="code" id="add_code" value="" />
<input type="submit" value="Добавить пользователя" class="add" /><span class="add_load"> </span>
<div class="add_err"></div>
</form>
<form action="find.jsp" method="post" enctype="multipart/form-data" class="find_form">
Имя<sup>*</sup>: <input type="text" name="name" id="find_name" value="" />
Код: <input type="text" name="code" id="find_code" value="" />
<input type="submit" value="Найти" class="find" /><span class="find_load"> </span>
<div class="find_err">Поиск пользователя, например: <span>Иванов Иван</span> </div>
</form>
<br>
<div class="cnt_act"></div>
<div class="users"></div>
<div align="right"><br><span class="log"></span></div>
</td>
</tr>
</table>
</body>
</html>