BAEL-1277: RESTFul CRUD application with JavaLite (#3359)

* BAEL-1277: RESTFul CRUD application with JavaLite. * BAEL-1277: RESTFul CRUD application with JavaLite. Adding exception handling.
2018-01-05 16:51:47 -03:00
parent 749533e14d
commit 1273bb4aee
15 changed files with 315 additions and 0 deletions
@@ -0,0 +1,9 @@
+package app.config;
+
+import org.javalite.activeweb.AppContext;
+import org.javalite.activeweb.Bootstrap;
+
+public class AppBootstrap extends Bootstrap {
+    public void init(AppContext context) {
+    }
+}
@@ -0,0 +1,15 @@
+package app.config;
+
+import app.controllers.ProductsController;
+import org.javalite.activeweb.AbstractControllerConfig;
+import org.javalite.activeweb.AppContext;
+import org.javalite.activeweb.controller_filters.DBConnectionFilter;
+import org.javalite.activeweb.controller_filters.TimingFilter;
+
+public class AppControllerConfig extends AbstractControllerConfig {
+    @Override
+    public void init(AppContext appContext) {
+      addGlobalFilters(new TimingFilter());
+      add(new DBConnectionFilter()).to(ProductsController.class);
+    }
+}
@@ -0,0 +1,11 @@
+package app.config;
+
+import org.javalite.activeweb.AbstractDBConfig;
+import org.javalite.activeweb.AppContext;
+
+public class DbConfig extends AbstractDBConfig {
+    @Override
+    public void init(AppContext appContext) {
+      this.configFile("/database.properties");
+    }
+}
@@ -0,0 +1,101 @@
+package app.controllers;
+
+import app.models.Product;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.javalite.activeweb.AppController;
+import org.javalite.activeweb.annotations.RESTful;
+
+import java.util.Map;
+
+@RESTful
+public class ProductsController extends AppController {
+
+    public void index() {
+      try {
+        view("products", Product.findAll());
+        render().contentType("application/json");
+      } catch (Exception e) {
+        view("message", "There was an error.", "code", 200);
+        render("message");
+      }
+    }
+
+    public void create() {
+      try {
+        Map payload = new ObjectMapper().readValue(getRequestString(), Map.class);
+        Product p = new Product();
+        p.fromMap(payload);
+        p.saveIt();
+        view("message", "Successfully saved product id " + p.get("id"), "code", 200);
+        render("message");
+      } catch (Exception e) {
+        view("message", "There was an error.", "code", 200);
+        render("message");
+      }
+    }
+
+    public void update() {
+      try {
+        Map payload = new ObjectMapper().readValue(getRequestString(), Map.class);
+        String id = getId();
+        Product p = Product.findById(id);
+        if (p == null) {
+          view("message", "Product id " + id + " not found.", "code", 200);
+          render("message");
+          return;
+        }
+        p.fromMap(payload);
+        p.saveIt();
+        view("message", "Successfully updated product id " + id, "code", 200);
+        render("message");
+      } catch (Exception e) {
+        view("message", "There was an error.", "code", 200);
+        render("message");
+      }
+    }
+
+    public void show() {
+      try {
+        String id = getId();
+        Product p = Product.findById(id);
+        if (p == null) {
+          view("message", "Product id " + id + " not found.", "code", 200);
+          render("message");
+          return;
+        }
+        view("product", p);
+        render("_product");
+      } catch (Exception e) {
+        view("message", "There was an error.", "code", 200);
+        render("message");
+      }
+    }
+
+    public void destroy() {
+      try {
+        String id = getId();
+        Product p = Product.findById(id);
+        if (p == null) {
+          view("message", "Product id " + id + " not found.", "code", 200);
+          render("message");
+          return;
+        }
+        p.delete();
+        view("message", "Successfully deleted product id " + id, "code", 200);
+        render("message");
+      } catch (Exception e) {
+        view("message", "There was an error.", "code", 200);
+        render("message");
+      }
+    }
+
+    @Override
+    protected String getContentType() {
+      return "application/json";
+    }
+
+    @Override
+    protected String getLayout() {
+      return null;
+    }
+}
@@ -0,0 +1,7 @@
+package app.models;
+
+import org.javalite.activejdbc.Model;
+
+public class Product extends Model {
+
+}
@@ -0,0 +1,4 @@
+development.driver=com.mysql.jdbc.Driver
+development.username=user
+development.password=password
+development.url=jdbc:mysql://localhost/dbname
@@ -0,0 +1 @@
+,
@@ -0,0 +1,4 @@
+{
+"id" : ${product.id},
+"name" : "${product.name}"
+}
@@ -0,0 +1 @@
+[<@render partial="product" collection=products spacer="comma"/>]
@@ -0,0 +1,4 @@
+{
+"message" : "${message}",
+"code" : ${code}
+}
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://java.sun.com/xml/ns/javaee" version="2.5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
+
+
+    <filter>
+        <filter-name>dispatcher</filter-name>
+        <filter-class>org.javalite.activeweb.RequestDispatcher</filter-class>
+        <init-param>
+            <param-name>exclusions</param-name>
+            <param-value>css,images,js,ico</param-value>
+        </init-param>
+         <init-param>
+            <param-name>encoding</param-name>
+            <param-value>UTF-8</param-value>
+        </init-param>
+    </filter>
+
+
+    <filter-mapping>
+        <filter-name>dispatcher</filter-name>
+        <url-pattern>/*</url-pattern>
+    </filter-mapping>
+
+</web-app>
				`@@ -0,0 +1 @@`
				`[<@render partial="product" collection=products spacer="comma"/>]`