By Dave Newton
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Additional resources for Apache Struts 2 Web Application Development
The Convention Plug-in has its own library dependencies. Maven makes this trivial. Without Maven, it's easiest to grab the libraries from the REST Plug-in showcase application. In this example, we won't use a Struts 2 configuration file. xml file. devMode to true. devMode
Using the Struts 2 custom tags and OGNL gives us another advantage. We can access action methods, including those that take parameters, directly from our JSP. This is in contrast to JSP EL, which allows access only to properties (although access to functions may appear in JEE 6). Right now, we just want to display localized messages on our JSP page. As mentioned earlier, we can call action methods from our JSP using Struts 2 tags and OGNL. One of the custom tags is
For example, we might configure our shopping list package in its own file and include it after our other packages were defined as seen here. -- ... existing config file ... xml file is placed in our shopping package and referred to by a classpath-relative path, like any other classpath resource. We can put the configuration files wherever we want—we could just as easily keep it at the root level. This is a simple way to break up areas of responsibility, delineate application functionality, reduce potential edit conflicts, and keep configuration as local to the implementation as possible.
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