Java EE 7: Front-End Web Application Development

This lesson provides an overview of the course contents, the course schedule, the classroom environment and the technical environment.

Lessons:

• List the course goals and objectives.

• List the various Java EE specifications.

• Describe the target audience for this course.

• Compare services and libraries.

• Describe the format that the class will use.

• Describe the Java EE Web Profile.

• Describe the purpose of the Java EE Platform.

• Describe the EE application tiers and layers.

• Describe the needs of enterprise applications.

• Inspecting the JavaFXMediaViewer Application.

In this lesson, you learn about Java EE components and application servers.

Lessons:

• Describe the purpose of an application server.

• Describe how to configure and package Java EE applications.

• Identify the potential selection criteria used when selecting an application server.

• List the Java EE– supporting features provided by integrated development environments (IDEs).

• Describe the properties of Java EE components.

• Describe the process of developing a Java EE application.

• Installing and Starting the GlassFish Server
• Writing a Simple Test Web Application

In this lesson, you learn about common Java SE components that are used in Java EE, Java SE annotations and logging application activity.

Lessons:

• Describe the Java SE features that are used extensively in enterprise applications.

• Describe common Java SE annotations and features.

• · Create POJO JavaBeans components.

• Develop Java annotations.

• Log application activity and errors.

• Describe the role of annotations in Java EE.

• Write to server logs.

• Adding a Logger to an Application

In this lesson, you learn about web applications and their components.

Lessons:

• Describe a web application and its components.

• Avoid thread-safety issues in web components.

• Implement application layering and the MVC pattern.

• Use the Expression Language.

• Describe the HTTP request-response model.

• Explain the difference between Java Servlets, JSP, JAX-RS, and JSF components.

• Creating a Java Web Application
• Using the Web Inspector

In this lesson, you learn how to make use of the Java Servlets API.

Lessons:

• Describe the servlet API.

• Use a servlet to upload a file.

• Use the request and response APIs.

• Forward control and pass data.

• Set response headers.

• Use the session management API.

• Use two approaches to create a response body.

• Creating the Servlet Controller Class for the Media Manager Application.
• Creating a Servlet to Upload New Media.

In this lesson, you learn about the role of JSP technology and how to author JSP pages.

Lessons

• Evaluate the role of JSP technology as a presentation mechanism.

• Author JSP pages.

• Process data received from servlets in a JSP page.

• Describe the use of tag libraries.

• Creating the Main View Page for the WebMediaManager Application.
• Modifying the Upload View Pages.
• Adding a Second View Page to Display Individual Media Objects.
• Adding a Second View Page to Display Individual Media Objects.

In this lesson, you learn about JAXRS web services.

Lessons:

• Describe the need for web services.

• Produce and consume complex data in the form of XML.

• Design a RESTful web service and its collection of resource URLs.

• Identify and return appropriate HTTP status codes for any condition.

• Create methods that follow the prescribed rules of HTTP method behavior, including idempotence.

• Create a JAX-RS resource and application classes.

• Consume query and other parameter types.

• Produce and consume complex data in the form of XML.

• Creating a RESTful Web Service to GET the Collection.
• Creating RESTful Web Services to GET and DELETE an Element of the Collection.
• Creating a RESTful Web Service to Add a New Media Item to the Collection Using PUT.

In this lesson, you learn about the JAX-RS 2 client API.

Lessons:

• Use the JAX-RS 2 Client AP.

• Describe the alternatives to the JAX-RS 2 Client API.

• Creating a RESTful JAXRS Client to List Media Items
• Modifying the RESTful Client to Read and Delete a Media Item
• Modifying the RESTful Client to Add a New Media Item
• (Optional) Invoking the UploadServlet on the Server Through the RESTful Client

In this lesson, you learn how to manipulate HTML documents by using the Document Object Model (DOM).

Lessons:

• Write JavaScript code to:

• • Manipulate HTML documents by using the Document Object Model (DOM).
  • Make Asynchronous JavaScript and XML (AJAX) web service calls.

• Developing the SinglePage HotSpotApplication Project.
• Calling RESTful Web Services from JavaScript.

In this lesson, you learn how to make use of WebSockets and how to use and consume JavaScript Object Notation (JSON).

Lessons:

• Explain the benefits of WebSockets.

• Consume JavaScript Object Notation (JSON) with Java.

• Create WebSocket server endpoints with Java.

• Produce JSON with Java.

• Create WebSocket client endpoints with Java.

• Create WebSocket client endpoints with JavaScript.

• Developing a WebSocket Endpoint and Client.
• Using the JSON-P API to Generate JSON.

In this lesson, you learn how to create and implement a web security policy through the use of the security API.

Lessons:

• Leverage containermanaged security.

• Use the security API.

• Define user roles and responsibilities.

• Configure authentication in the web tier.

• Create a role-based security policy.

• Securing the HotSpotApplication Project.

In this lesson, you learn about Plain Old Java Objects (POJO) and enterprise JavaBeans components (EJB’s).

Lessons:

• Describe the architecture of a typical Java EE application.

• Create session beans.

• Describe the role of EJB components in a Java EE application.

• Describe the benefits of EJB components.

• Describe the operational characteristics of a stateless and stateful session beans.

• Adding a Servlet to Download Media Items as Thumbnails.
• Using a Singleton Session Bean to Cache Data.

In this lesson, you learn about the role, purpose and usage of the Java Persistence API (JPA) in a Java EE application.

Lessons:

• Describe the role of the Java Persistence API (JPA) in a Java EE application.

• Explain the basics of object-relational mapping.

• Describe the elements and environment of an entity component.

• Describe the life cycle and operational characteristics of entity components.

• Moving the Media Data to a Database and Using JPA.
• Using JPA in WebMediaManager.
• Add Filtering Options to DBMediaManager.

In this lesson, you learn about transactions and how to implement transaction policies.

Lessons:

• Describe transaction semantics.

• Support pessimistic locking by using EntityManager APIs.

• Compare programmatic and declarative transaction scoping.

• Describe the effect of exceptions on transaction state.

• Use JTA to scope transactions programmatically.

• Implement a containermanaged transaction policy.

• Support optimistic locking with the versioning of entity components.

• Adding the Ability to Update Media Records.
• Implement a Versioning Policy on MediaItems.