RProductXML

PC26-RestSerwer/src/main/java/sklep/model/Price.java

+package sklep.model;
+
+import java.math.BigDecimal;
+
+import jakarta.xml.bind.annotation.XmlRootElement;
+import jakarta.xml.bind.annotation.XmlValue;
+
+@XmlRootElement
+public class Price {
+    @XmlValue
+    private BigDecimal value;
+    
+    public Price() {
+        this.value = BigDecimal.ZERO;
+    }
+    
+    public Price(BigDecimal value) {
+        this.value = value;
+    }
+
+    public BigDecimal getValue() {
+        return value;
+    }
+    
+    public void setValue(BigDecimal value) {
+        this.value = value;
+    }
+    
+    @Override
+    public String toString() {
+        return value.toString();
+    }
+}

PC26-RestSerwer/src/main/java/sklep/model/ProductList.java

+package sklep.model;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+
+import jakarta.xml.bind.annotation.XmlElement;
+import jakarta.xml.bind.annotation.XmlRootElement;
+
+@XmlRootElement(name="products")
+public class ProductList {
+    @XmlElement(name="product")
+    private final List<Product> products = new ArrayList<>();
+    
+    public ProductList() {
+        // zostawia pustą listę
+    }
+    
+    public ProductList(Collection<Product> products) {
+        this.products.addAll(products);
+    }
+    
+    public List<Product> getProducts() {
+        return Collections.unmodifiableList(this.products);
+    }
+    
+    public void setProducts(Collection<Product> products) {
+        this.products.clear();
+        this.products.addAll(products);
+    }
+    
+    @Override
+    public String toString() {
+        return this.products.toString();
+    }
+}

PC26-RestSerwer/src/main/java/sklep/rest/RProductXML.java

+package sklep.rest;
+
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.POST;
+import jakarta.ws.rs.PUT;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.PathParam;
+import jakarta.ws.rs.Produces;
+import sklep.db.DBConnection;
+import sklep.db.DBException;
+import sklep.db.ProductDAO;
+import sklep.db.RecordNotFound;
+import sklep.model.Price;
+import sklep.model.Product;
+import sklep.model.ProductList;
+import sklep.photo.PhotoUtil;
+
+@Path("/products.xml")
+@Produces("application/xml")
+@Consumes("application/xml")
+public class RProductXML {
+    @GET
+    public ProductList allProducts() throws DBException {
+        try(DBConnection db = DBConnection.open()) {
+            ProductDAO productDAO = db.productDAO();
+            return new ProductList(productDAO.readAll());
+        }
+    }
+
+    @GET
+    @Path("/{id}")
+    // przykładowo /products.xml/3
+    public Product oneProduct(@PathParam("id") int productId) throws DBException, RecordNotFound {
+        try(DBConnection db = DBConnection.open()) {
+            ProductDAO productDAO = db.productDAO();
+            return productDAO.findById(productId);
+        }
+    }
+
+    @POST
+    public void saveProduct(Product product) throws DBException {
+        try(DBConnection db = DBConnection.open()) {
+            ProductDAO productDAO = db.productDAO();
+            productDAO.save(product);
+            db.commit();
+        }
+    }
+
+    @GET
+    @Path("/{id}/price")
+    public Price getPrice(@PathParam("id") int productId) throws DBException, RecordNotFound {
+        return new Price(oneProduct(productId).getPrice());
+    }
+
+    @PUT
+    @Path("/{id}/price")
+    public void setPrice(@PathParam("id") int productId, Price newPrice) throws DBException, RecordNotFound {
+        try(DBConnection db = DBConnection.open()) {
+            ProductDAO productDAO = db.productDAO();
+            Product product = productDAO.findById(productId);
+            product.setPrice(newPrice.getValue());
+            productDAO.save(product);
+            db.commit();
+        }
+    }
+
+    @GET
+    @Path("/{id}/photo")
+    @Produces("image/jpeg")
+    public byte[] getPhoto(@PathParam("id") int productId) throws DBException, RecordNotFound {
+        return PhotoUtil.readBytes(productId);
+    }
+
+    @PUT
+    @Path("/{id}/photo")
+    @Consumes("image/jpeg")
+    public void getPhoto(@PathParam("id") int productId, byte[] bajty) {
+        PhotoUtil.writeBytes(productId, bajty);
+    }
+}