PDFWriter - wersja dla jednego produktu

PC32-RestSerwer/src/main/java/sklep/rest/ext/PDFWriter.java

+package sklep.rest.ext;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+
+import jakarta.servlet.ServletContext;
+import jakarta.ws.rs.WebApplicationException;
+import jakarta.ws.rs.core.Context;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.MultivaluedMap;
+import jakarta.ws.rs.ext.MessageBodyWriter;
+import jakarta.ws.rs.ext.Provider;
+import sklep.model.Product;
+
+@Provider
+public class PDFWriter implements MessageBodyWriter<Product> {
+    private static final MediaType PDF_TYPE = new MediaType("application", "pdf");
+    
+    @Context
+    private ServletContext servletContext;
+
+    @Override
+    public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+        return type == Product.class && PDF_TYPE.isCompatible(mediaType);
+    }
+
+    @Override
+    public void writeTo(Product product, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+            MultivaluedMap<String, Object> httpHeaders, OutputStream output)
+            throws IOException, WebApplicationException {
+        
+        ObslugaXSL obslugaXSL = new ObslugaXSL(servletContext);
+        obslugaXSL.wypiszPDF(product, output);
+        
+    }
+
+}

PC32-RestSerwer/src/main/java/sklep/rest/ext/RProductsPDF.java

+package sklep.rest.ext;
+
+import java.util.List;
+
+import jakarta.ws.rs.GET;
+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.Product;
+
+@Path("/products.pdf")
+@Produces("application/pdf")
+public class RProductsPDF {
+    
+    @GET
+    public List<Product> readAll() throws DBException {
+        try(DBConnection db = DBConnection.open()) {
+            ProductDAO productDAO = db.productDAO();
+            return productDAO.readAll();
+        }
+    }
+    
+    @GET
+    @Path("/{id}")
+    public Product readOne(@PathParam("id") int productId) throws DBException, RecordNotFound {
+        try(DBConnection db = DBConnection.open()) {
+            ProductDAO productDAO = db.productDAO();
+            return productDAO.findById(productId);
+        }
+    }
+
+}

PC32-RestSerwer/src/main/webapp/WEB-INF/sklep-fo.xsl

@@ -37,7 +37,7 @@
 				border-color="#2233AA">
 				<fo:block font-weight="bold" font-size="14pt"
 					margin-bottom="1em" color="#FF2244">
-					<xsl:apply-templates select="product-name" />
+					<xsl:apply-templates select="name" />
 				</fo:block>
 				<fo:block font-weight="bold" color="green">
 					<xsl:text>Cena: </xsl:text>