... >
Code Example 4. 10 The Template JSP Page for the Layout Shown in Figure 4. 8
The JSP page includes the page named by the insert tag’s parameter
attribute at the point where the tag occurs. A ... (as is
often the case), the database can become a performance bottleneck. The contain-
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CHAPTER 5 THE ENTERPRISE JAVA...
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CHAPTER 4 THE WEB TIER
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the screen flow manager to display screen signoff.screen after the action com-
pletes.
Figure 4. 4 shows the result of an HTTP POST to the URL
/signoff.do.
Figure 4. 4
OID ... perform method.
4. The
SignoffHTMLAction object calls the model method that signs the user out
of the application.
5. The controller asks the screen flow manager...
... execute
getOrdersByStatus on the remote object account and gets back a
collection of the serialized
OrderDetails objects. The client can then query the
state of these orders locally via the methods provided with the
OrderDetails
object.
5.7.3.1 ... bean
types, there are other design choices that you need to make when developing
objects for the EJB tier. These choices include th...
... whether the information is
invalid. For example, it can check that the cardholder name is not null, or that the
credit card number has the right number of digits. When the browser solves these
obvious ... advantage in the information
economy.
The Java 2 Platform, Enterprise Edition is a standard set of Java technologies
that streamline the development, deployment, and ma...
... J2EE server must perform the following tasks:
1. Generate and compile the stubs and skeletons for the enterprise bean.
2. Set up the security environment to host the enterprise bean according ... Installation The deployer moves the media to the server, generates the addi-
tional container-specific classes and interfaces that enable the container to
manage the componen...
... encapsulates the iden-
tity and is able to fabricate authenticators (proofs of identity). Then, the
authentication context is used to authenticate with other (called or calling) enti-
ties. The basis ... con-
text, the container suspends the association of the transaction context with the
current thread before starting the new transaction. When the method and the trans-
ac...
... domains than the
resources they access. In these cases, the calling container can be configured to
manage the authentication to the resource for the calling component. This form of
authentication ... detail in Section 9.2 .4 on page 293) declare the resources used
by the component. The value of the
res-auth subelement declares whether sign
on to the resource is managed by...
... application such as the sample application, including:
• The client tier provided by the browser
• The Web tier provided by the server
• The EJB tier provided by the server
• The enterprise information ... AM
ARCHITECTURE OF THE SAMPLE APPLICATION
371
11 .4. 1.3 Controller Layer of the Application Architecture
The controller section of the MVC architecture controls...