services

public class ProductServices {
    public boolean addProduct(ProductBean bean,Connection con)throws SQLException
    {
        PreparedStatement st=null;

        try
        {

            String productName=bean.getProductName();
            String desc=bean.getDescription();
            String features=bean.getFeatures();
            String price=bean.getPrice();
            String quantity=bean.getQuantity();
            String eligibility=bean.getEligibility();
            String thresholdLimit=bean.getThresholdLimit();
            String colorCode="green";

            st=con.prepareStatement("insert into product values(seq_person.nextval,'"+productName+"','"+price+"','"+quantity+"','"+thresholdLimit+"','"+features+"','"+desc+"','"+eligibility+"','"+colorCode+"')");
            int rs=st.executeUpdate();

        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
        finally
        {
            con.close();
            st.close();



        }
        return false;
    }
    public void updateProduct(ProductBean bean, Connection conn)
    throws SQLException {
        PreparedStatement statement=null;

        try {

            String productname = bean.getProductName();
            String price = bean.getPrice();
            String quantity = bean.getQuantity();
            String thresholdLimit=bean.getThresholdLimit();
            String eligibility=bean.getEligibility();



            statement = conn.prepareStatement("Update Product set PRICE='"+price+"',QUANTITY='"+quantity+"',THRESHOLD_LIMIT='"+thresholdLimit+"',ELIGIBILITY_FOR_REWARDS='"+eligibility+"' where PROD_MODEL_NAME='"+productname+"' ");

            int rs=statement.executeUpdate();

        } catch (SQLException sqle) {

            conn.close();
        } catch (Exception e) {

            conn.close();
        }
        finally
        {
        conn.close();
        statement.close();

        }

        }
public void deleteProduct(ProductBean bean, Connection conn)
    throws SQLException {
        PreparedStatement statement=null;

        try {

            String productName = bean.getProductName();
            String price = bean.getPrice();
            String quantity = bean.getQuantity();
            String thresholdLimit=bean.getThresholdLimit();
            String eligibility=bean.getEligibility();



            statement = conn.prepareStatement("Delete Product where PROD_MODEL_NAME='"+productName+"' ");

            int rs=statement.executeUpdate();

            statement = conn.prepareStatement("Delete ret_prod where PRODUCT_ID in(select PRODUCT_ID from Product where PROD_MODEL_NAME='"+productName+"' )");
            int rs1=statement.executeUpdate();

            statement = conn.prepareStatement("Delete stock where PRODUCT_ID in(select PRODUCT_ID from Product where PROD_MODEL_NAME='"+productName+"' ) ");
            int rs2=statement.executeUpdate();

        } catch (SQLException sqle) {


        } catch (Exception e) {


        }
        finally
        {
        conn.close();
        statement.close();

        }

        }