RProduct - metody GET w formacie JSON

PC35-RestSerwer/src/main/java/rest/RProduct.java

+package rest;
+
+import java.util.List;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+
+import sklep.db.DBConnection;
+import sklep.db.DBException;
+import sklep.db.ProductDAO;
+import sklep.db.RecordNotFound;
+import sklep.model.Product;
+import sklep.photo.PhotoUtil;
+
+@Path("/products")
+public class RProduct {
+	
+	@GET
+	@Produces("application/json")
+	public List<Product> readAllProducts() throws DBException {
+		try(DBConnection db = DBConnection.open()) {
+			ProductDAO productDAO = db.productDAO();
+			return productDAO.readAll();
+		}
+	}
+
+	@Path("/{id}")
+	@GET
+	@Produces("application/json")
+	public Product readOneProduct(@PathParam("id") int productId) throws DBException, RecordNotFound {
+		try(DBConnection db = DBConnection.open()) {
+			ProductDAO productDAO = db.productDAO();
+			return productDAO.findById(productId);
+		}
+	}
+	
+	@Path("/{id}/foto")
+	@GET
+	@Produces("image/jpeg")
+	public byte[] foto(@PathParam("id") int productId) throws DBException, RecordNotFound {
+		return PhotoUtil.readBytes(productId);
+	}
+}