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package sahoo.hybridapp.example1.impl;
import sahoo.hybridapp.example1.UserAuthService;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import javax.ejb.Stateless;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
@Stateless
public class UserAuthServiceEJB implements UserAuthService
{
@Resource(mappedName= Activator.dsName)
private DataSource ds;
@PostConstruct
public void postConstruct() {
System.out.println("UserAuthServiceEJB.postConstruct");
}
public boolean login(String name, String password)
{
System.out.println("UserAuthServiceEJBuser: logging in " + name);
Connection c = null;
Statement s = null;
try
{
c = ds.getConnection();
s = c.createStatement();
String sql = "select count(*) as record_count from " +
Activator.tableName +" where name = '" + name +
"' and password= '" + password + "'";
System.out.println("sql = " + sql);
ResultSet rs = s.executeQuery(sql);
rs.next();
if (rs.getInt("record_count") == 1) {
System.out.println("Login successful");
return true;
}
}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
try
{
if (c!= null) c.close();
if (s!=null) s.close();
}
catch (Exception e)
{
}
}
return false;
}
public boolean register(String name, String password)
{
System.out.println("UserAuthServiceEJB: registering " + name);
Connection c = null;
Statement s = null;
try
{
c = ds.getConnection();
s = c.createStatement();
String sql = "insert into " + Activator.tableName +
" values('" + name + "', '" + password + "')";
System.out.println("sql = " + sql);
s.executeUpdate(sql);
return true;
}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
try
{
if (c!= null) c.close();
if (s!=null) s.close();
}
catch (Exception e)
{
}
}
return false;
}
}