public Book getBook(String username, int id) { Connection connection = null; Book book = new Book(); try { connection = getConnection(); PreparedStatement statement = connection.prepareStatement("select * from " + username + " where id = ?"); statement.setInt(1, id); ResultSet resultSet = statement.executeQuery(); while (resultSet.next()) { book.setId(id); book.setColor(resultSet.getString("Color")); book.setLevel(resultSet.getInt("Level")); book.setTitle(resultSet.getString("Title")); book.setCategory(resultSet.getString("Category")); book.setAuthor(resultSet.getString("Author")); book.setYear(resultSet.getInt("Year")); book.setAvailability(resultSet.getString("Availability")); } } catch (SQLException ex) { ex.printStackTrace(); } finally { closeConnection(connection); } return book; }
public ArrayList<Book> searchBooks(String username, String keyword) { ArrayList<Book> bookList = new ArrayList(); Connection connection = null; try { connection = getConnection(); PreparedStatement statement = connection.prepareStatement( "select * from " + username + " where (title like '%" + keyword.trim() + "%'" + "OR author like '%" + keyword.trim() + "%')"); ResultSet resultSet = statement.executeQuery(); while (resultSet.next()) { Book book = new Book(); book.setId(resultSet.getInt("Id")); book.setColor(resultSet.getString("Color")); book.setLevel(resultSet.getInt("Level")); book.setTitle(resultSet.getString("Title")); book.setCategory(resultSet.getString("Category")); book.setAuthor(resultSet.getString("Author")); book.setYear(resultSet.getInt("Year")); book.setAvailability(resultSet.getString("Availability")); bookList.add(book); } } catch (SQLException ex) { ex.printStackTrace(); } finally { closeConnection(connection); } return bookList; }
public List<Book> allBooks(String username) { ArrayList<Book> bookList = new ArrayList(); String sql = "select * from " + username; Connection conn = null; try { conn = getConnection(); PreparedStatement statement = conn.prepareStatement(sql); ResultSet resultSet = statement.executeQuery(); while (resultSet.next()) { Book book = new Book(); book.setId(resultSet.getInt("Id")); book.setColor(resultSet.getString("Color")); book.setLevel(resultSet.getInt("Level")); book.setTitle(resultSet.getString("Title")); book.setCategory(resultSet.getString("Category")); book.setAuthor(resultSet.getString("Author")); book.setYear(resultSet.getInt("Year")); book.setAvailability(resultSet.getString("Availability")); bookList.add(book); } } catch (SQLException ex) { ex.printStackTrace(); } finally { closeConnection(conn); } return bookList; }
public ArrayList<Book> advancedSearchBooks( String username, String title, String author, String color, String level) { ArrayList<Book> bookList = new ArrayList(); Connection connection = null; String sql = "select * from " + username + " where "; String sqlTitle = "(title like '%"; String sqlAuthor = "(author like '%"; String sqlColor = "(color like '%"; String sqlLevel = "(level like '%"; boolean addOn = false; try { connection = getConnection(); if (title.length() > 0) { sql = sql + sqlTitle + title + "%')"; addOn = true; } if (author.length() > 0 && addOn) { sql = sql + "AND" + sqlAuthor + author + "%')"; } else if (author.length() > 0) { sql = sql + sqlAuthor + author + "%')"; addOn = true; } if (color.length() > 0 && addOn) { sql = sql + "AND" + sqlColor + color + "%')"; } else if (color.length() > 0) { sql = sql + sqlColor + color + "%')"; addOn = true; } if (level.length() > 0 && addOn) { sql = sql + "AND" + sqlLevel + level + "%')"; } else if (level.length() > 0) { sql = sql + sqlLevel + level + "%')"; } sql = sql + ";"; PreparedStatement statement = connection.prepareStatement(sql); ResultSet resultSet = statement.executeQuery(); while (resultSet.next()) { Book book = new Book(); book.setId(resultSet.getInt("Id")); book.setColor(resultSet.getString("Color")); book.setLevel(resultSet.getInt("Level")); book.setTitle(resultSet.getString("Title")); book.setCategory(resultSet.getString("Category")); book.setAuthor(resultSet.getString("Author")); book.setYear(resultSet.getInt("Year")); book.setAvailability(resultSet.getString("Availability")); bookList.add(book); } } catch (SQLException ex) { ex.printStackTrace(); } finally { closeConnection(connection); } return bookList; }