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java_weekendowa_20221008
Commit f60d6b18 by Patryk Czarnik
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Serwlety korzystające z DAO

parent dbbb6c45
Showing with 92 additions and 1 deletions
PC25-SklepWeb/src/main/java/sklep/web/Products1.java 0 → 100644
package sklep.web;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sklep.db.DBConnection;
import sklep.db.DBException;
import sklep.db.ProductDAO;
import sklep.model.Product;
@WebServlet("/Products1")
public class Products1 extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/plain");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
try(DBConnection db = DBConnection.open()) {
ProductDAO productDAO = db.productDAO();
List<Product> products = productDAO.readAll();
out.println("Odczytano " + products.size() + " produktów:");
for(Product product : products) {
out.println(product);
}
} catch (DBException e) {
e.printStackTrace(out);
}
}
}
PC25-SklepWeb/src/main/java/sklep/web/Products2.java 0 → 100644
package sklep.web;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sklep.db.DBConnection;
import sklep.db.DBException;
import sklep.db.ProductDAO;
import sklep.model.Product;
@WebServlet("/Products2")
public class Products2 extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Lista produktów</title>");
out.println("<link rel='stylesheet' type='text/css' href='styl.css'>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Lista produktów</h1>");
try(DBConnection db = DBConnection.open()) {
ProductDAO productDAO = db.productDAO();
List<Product> products = productDAO.readAll();
out.printf("<div>Odczytano %d produktów</div>", products.size());
for(Product product : products) {
out.println(product.toHtml());
}
} catch (DBException e) {
out.println("<pre class='error'>");
e.printStackTrace(out);
out.println("</pre>");
}
out.println("</body>");
out.println("</html>");
}
}
PC25-SklepWeb/src/main/webapp/styl.css
......@@ -5,7 +5,7 @@ body {
/* komentarz w CSS */
h1, h4 {
h4 {
text-align: center;
}
......
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