Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 10 docx
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 10 docx
... but the design allows the application assem-
bler to easily add other, external suppliers.
Figure 11 .10 shows the modules of the order fulfillment center and their rela-
tionships to each other.
Figure ... an enterprise bean. The class for the EJB home object is
generated by the container’s deployment tools. The EJB home object imple-
ments the enterprise bean’s home in...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 1 pot
... it to the end of this project without the support of
Suzy Pelouch who did an excellent job at pulling together all the pieces.
The authors of the J2EE specifications and the developers of the reference
implementation ... influ-
enced the choices made in developing the sample application:
• The need to make rapid and frequent changes to the “look” of the application
• T...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 2 ppt
... AM
PLATFORM SERVICES
41
With basic authentication, the Web server authenticates a principal using the
user name and password obtained from the Web client. Like basic authentication,
digest authentication ... should propagate authentication data, the
deployer specifies the authentication data for each resource factory reference
declared by the enterprise bean. The container us...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 3 pptx
... 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 for the next view.
6. The controller forwards the ... occur:
1. The servlet container routes the request to the controller.
2. The controller creates an instance class
SignoffHTMLAction and passes the
request to i...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 4 pdf
... >
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 ... the parameters in the template file. The templating
service replaces each
insert tag in the template file with the contents of the
subview named by the tag’s
parameter a...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 5 pot
... bean
types, there are other design choices that you need to make when developing
objects for the EJB tier. These choices include the types of objects that should be
enterprise beans, and the role an enterprise ... databases.
The principal advantage of data access objects is that they decouple the user
of the object from the programming mechanism that accesses the underlyin...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 6 doc
... declared enterprise bean reference. This
means that the target enterprise bean must be of the type indicated in the
ejb-ref-
type
element and that the home and remote elements of the target enterprise ... result is a circular dependency.
Neither bean can function without the other, and so neither is reusable without the
other. In some cases redesign may eliminate these dep...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 7 potx
... demonstrates the user’s right to claim the identity as its own. This section
describes the various authentication mechanisms supported by the J2EE platform
and how to configure them.
9.2.2.1 Web Tier Authentication
An ... to
the enterprise bean’s methods.
3. Set up the transaction environment for the enterprise bean according to its de-
ployment descriptor. This is needed...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 8 ppsx
... allow the caller to proceed. If not, the component can prevent the
caller from further interaction. The caller principal returned by a container depends
on the authentication mechanism used by the ... identity, then the J2EE application can implement secure
access to the resource by limiting who can use the accessor. If the mapping of
authentication context is many-to-many...
Designing Enterprise Applicationswith the J2EETM Platform 2nd phần 9 potx
... 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 ... architectural concepts form the basis for
the design of the sample application. After covering these concepts, the chapter
presents an overview of the sample app...
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