Sajan1710991701

Online Book Store Project in JAVA/Online Book Store/WEB-INF/classes/obs/Cart.java

@@ -0,0 +1,171 @@
+// Cart
+package obs;
+import java.util.*;
+import java.sql.*;
+import obs.*;
+import javax.ejb.*;
+import javax.naming.*;
+import obs.order.*;
+
+
+
+
+public class Cart
+{
+   ArrayList items = new ArrayList();
+
+   public Item find(String isbn)
+   {
+     Iterator itr = items.iterator();
+     Item itm;
+     while ( itr.hasNext())
+     {
+       itm =  (Item) itr.next();
+       if ( itm.getIsbn().equals(isbn))
+       {
+          return itm;
+       }
+     }  // end of while
+
+     return null;
+   }
+
+   // adds an item if not already existing
+  // otherwise add 1 to qty
+   public void addItem(String isbn )
+   {
+     //check whether isbn is already present
+     Item item =  find(isbn);
+     if ( item != null)
+       item.addQty(1);
+     else
+     {
+       // get detais from Books tables
+
+       Connection con =null;
+       obs.User  user  = new obs.User();
+       try
+       {
+        con = user.getConnection();
+        PreparedStatement ps = con.prepareStatement("select title,price from books where isbn = ? ");
+        ps.setString(1,isbn);
+
+        ResultSet rs  = ps.executeQuery();
+        if ( rs.next())
+        {
+          item = new Item(isbn, rs.getString(1), rs.getInt(2) );
+          items.add(item);
+        }
+
+        rs.close();
+        ps.close();
+
+       }
+       catch(Exception ex)
+       {
+         System.out.println(ex.getMessage());
+       }
+       finally
+       {  
+         try {con.close();} catch(Exception ex) {}
+       }
+     }  // end of else
+   }       
+
+   public  ArrayList  getItems()
+   {  return items; }
+
+   public  void removeItem(String isbn)
+   {
+       Item item = find(isbn);
+       if  ( item != null)
+           items.remove(item);
+   } // end or removeItem
+
+    public void clearAll()
+    {
+       items.clear();
+   }
+
+   public void updateQty(String isbn, int qty)
+   {
+        Item  item = find(isbn);
+        if ( item != null)
+          item.setQty(qty);
+   } // end of updateQty()
+
+
+  public String finalizeOrder(int userid) 
+  {
+
+   try
+   {
+      Context ctx = getInitialContext();  
+      // get access to bean
+
+      OrderHome home = (OrderHome)  ctx.lookup("obs.order");
+      Order order = home.create();
+
+      String id=  order.addOrder(userid,items);
+      return id;
+   }
+   catch(Exception ex)
+   {
+     System.out.println( ex.getMessage());
+     return null;
+
+   }
+
+  } // end of  finalizeOrder
+
+
+
+  public boolean cancelOrder(int ordid) 
+  {
+
+   try
+   {
+      Context ctx = getInitialContext();  
+      // get access to bean
+
+      OrderHome home = (OrderHome)  ctx.lookup("obs.order");
+      Order order = home.create();
+
+      return order.cancelOrder(ordid);
+
+   }
+   catch(Exception ex)
+   {
+     System.out.println( ex.getMessage());
+     return false;
+
+   }
+
+
+  } // end of  finalizeOrder
+
+  public Context getInitialContext() 
+  {
+
+  String JNDI_FACTORY="weblogic.jndi.WLInitialContextFactory";
+
+  try
+  {
+   Hashtable env = new Hashtable();
+   env.put(Context.INITIAL_CONTEXT_FACTORY, JNDI_FACTORY);
+   env.put(Context.PROVIDER_URL,"t3://localhost:7001");
+   return new InitialContext(env);
+  }
+  catch(Exception ex)
+  { 
+    System.out.println(ex.getMessage()); 
+    return null;
+  }
+
+ }
+
+}
+
+
+
+

Online Book Store Project in JAVA/Online Book Store/WEB-INF/classes/obs/Customer.java

@@ -0,0 +1,200 @@
+// User Bean
+
+package  cs;
+import java.sql.*;
+import java.util.*;
+import javax.naming.*;
+import javax.rmi.*;
+
+
+
+public class Customer
+{
+
+
+    private  String custname;
+    private  String password;
+    private  String email;
+    private  String phoneno;
+
+    private  Context ctx;
+
+    public Context getJNDIContext()
+    { 
+       return  ctx;
+    }
+
+    public Customer() 
+    {
+       ctx = getInitialContext();
+    }
+
+    public  void setCustname(String custname)
+    { this.custname = custname; }
+
+    public String getCustname()
+    {  return custname; }
+
+
+    public  void setPhoneno (String phoneno)
+    { this.phoneno = phoneno; }
+
+    public String getPhoneno()
+    {  return phoneno; }
+
+    public  void setPassword(String password)
+    { this.password= password; }
+
+    public String getPassword()
+    {  return password; }
+
+    public  void setEmail (String email)
+    { this.email = email; }
+
+    public String getEmail()
+    {  return email; }
+
+     // returns true if uname and pwd are valid
+    public  boolean isValid()
+    {
+     Connection con = null;
+     PreparedStatement ps = null;
+     try
+     {
+      con = getConnection();
+      ps = con.prepareStatement("select phoneno, email from customers where custname = ? and pwd= ?");
+      ps.setString(1,custname);
+      ps.setString(2,password);
+
+      ResultSet rs = ps.executeQuery();
+      boolean found = false;
+
+      if ( rs.next())
+     {     phoneno = rs.getString("phoneno");
+           email = rs.getString("email");
+           found = true;
+     }
+     return found;
+  }
+  catch(Exception ex)
+  {
+      System.out.println( ex.getMessage());
+      return false;
+   }
+   finally
+  {
+       clean(con,ps);
+  } 
+
+ } // end of isValid
+
+ public String updatePassword(String newpassword) 
+ {
+   Connection con = null;
+   PreparedStatement ps= null;
+
+   try
+   {
+     con = getConnection();
+     ps = con.prepareStatement("update customers set pwd = ? where custname = ?");
+     ps.setString(1,newpassword);
+     ps.setString(2,custname);
+
+     int cnt = ps.executeUpdate();
+     if ( cnt==1 ) 
+        return null;
+     else
+        return "Invalid Username!";
+
+  }
+  catch(Exception ex)
+  {
+      System.out.println( ex.getMessage());
+      return ex.getMessage();
+  }
+  finally
+  {
+       clean(con,ps);
+  } 
+
+ } // end of updatePassword
+
+ public String  registerUser()
+ {
+    Connection con = null;
+    PreparedStatement ps = null;
+
+    try
+    {
+        con = getConnection();
+        ps = con.prepareStatement("insert into customers values (?,?,?,?)");
+        ps.setString(1,custname);
+        ps.setString(2,password);
+        ps.setString(3,email);
+        ps.setString(4,phoneno);
+        ps.executeUpdate();
+        return null;
+
+    }
+    catch(Exception ex)
+    {
+       return ex.getMessage();
+    }
+    finally
+    {  clean(con,ps); }
+ }
+
+
+
+
+ public  void clean(Connection con, PreparedStatement ps)
+ { 
+   try
+   { if ( ps != null )  ps.close();
+     if ( con != null) con.close();
+    }
+    catch(Exception ex)
+    { System.out.println(ex.getMessage()); }
+ }
+
+ public Connection getConnection() throws Exception
+ {
+   Class.forName("oracle.jdbc.driver.OracleDriver"); 
+   // connect using Thin driver
+   Connection con =   DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:oracle8i",
+		"custsup","custsup");
+
+   return con;
+ }    
+
+
+ public Context getInitialContext() 
+ {
+
+  String JNDI_FACTORY="weblogic.jndi.WLInitialContextFactory";
+
+  try
+  {
+   Hashtable env = new Hashtable();
+   env.put(Context.INITIAL_CONTEXT_FACTORY, JNDI_FACTORY);
+   env.put(Context.PROVIDER_URL,"t3://localhost:7001");
+   return new InitialContext(env);
+  }
+  catch(Exception ex)
+  { 
+    System.out.println(ex.getMessage()); 
+    return null;
+  }
+
+ }
+
+
+} // end of bean
+
+
+
+
+
+
+
+