Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

apache-velocity/src/main/java/com/baeldung/apache/velocity/model/Product.java

@@ -0,0 +1,33 @@
+package com.baeldung.apache.velocity.model;
+
+public class Product {
+
+	private String name;
+	private double price;
+
+	public Product(String name, double price) {
+		this.name = name;
+		this.price = price;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public double getPrice() {
+		return price;
+	}
+
+	public void setPrice(double price) {
+		this.price = price;
+	}
+
+	@Override
+	public String toString() {
+		return "Product{" + "name='" + name + '\'' + ", price=" + price + '}';
+	}
+}

apache-velocity/src/main/java/com/baeldung/apache/velocity/service/ProductService.java

@@ -0,0 +1,20 @@
+package com.baeldung.apache.velocity.service;
+
+import com.baeldung.apache.velocity.model.Product;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class ProductService {
+
+	Logger logger = LoggerFactory.getLogger(ProductService.class);
+
+	public List<Product> getProducts() {
+        logger.debug("Product service returning list of products");
+
+		return Arrays.asList(new Product("Laptop", 31000.00), new Product("Mobile", 16000.00),
+				new Product("Tablet", 15000.00), new Product("Camera", 23000.00));
+	}
+}

apache-velocity/src/main/java/com/baeldung/apache/velocity/servlet/LayoutServlet.java

@@ -0,0 +1,41 @@
+package com.baeldung.apache.velocity.servlet;
+
+import com.baeldung.apache.velocity.model.Product;
+import com.baeldung.apache.velocity.service.ProductService;
+import org.apache.velocity.Template;
+import org.apache.velocity.context.Context;
+import org.apache.velocity.tools.view.VelocityLayoutServlet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.List;
+
+public class LayoutServlet extends VelocityLayoutServlet {
+	ProductService service = new ProductService();
+
+	@Override
+	public Template handleRequest(HttpServletRequest request, HttpServletResponse response, Context context) {
+
+        Logger logger= LoggerFactory.getLogger(LayoutServlet.class);
+
+		List<Product> products = service.getProducts();
+
+		context.put("products", products);
+
+		Template template = null;
+
+		try {
+			template = getTemplate("templates/layoutdemo.vm");
+
+			response.setHeader("Template Returned", "Success");
+		} catch (Exception e) {
+			logger.error("Error while reading the template ",e);
+		}
+
+		return template;
+
+	}
+
+}

apache-velocity/src/main/java/com/baeldung/apache/velocity/servlet/ProductServlet.java

@@ -0,0 +1,40 @@
+package com.baeldung.apache.velocity.servlet;
+
+import com.baeldung.apache.velocity.model.Product;
+import com.baeldung.apache.velocity.service.ProductService;
+import org.apache.velocity.Template;
+import org.apache.velocity.context.Context;
+import org.apache.velocity.tools.view.VelocityViewServlet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.List;
+
+public class ProductServlet extends VelocityViewServlet {
+
+	ProductService service = new ProductService();
+
+	@Override
+	public Template handleRequest(HttpServletRequest request, HttpServletResponse response, Context context) {
+
+		Logger logger= LoggerFactory.getLogger(ProductServlet.class);
+
+		List<Product> products = service.getProducts();
+
+		context.put("products", products);
+
+		Template template = null;
+
+		try {
+			template = getTemplate("templates/index.vm");
+			response.setHeader("Template Returned", "Success");
+		} catch (Exception e) {
+			logger.error("Error while reading the template ", e);
+		}
+
+		return template;
+
+	}
+}