Unfortunately, you will certainly have to change your method to: private <T> T evaluate(Class<T> clazz, String expression) and then pass clazz as your second parameter. Not as short as you expected.
Since Spring 3.0.3 there is EmbeddedValueResolverAware which will work same way as mentioned by another post which uses appContext.getBeanFactory().resolveEmbeddedValue(“${prop}”) call. To solve the problem: Make your class to implement EmbeddedValueResolverAware interface and you will get resolver injected for you Then where you will be able to retrieve properties as demonstrated in a code snippet: String … Read more
Make use of JSTL c:catch. <c:catch var=”exception”>${myObject.myAttribute}</c:catch> <c:if test=”${not empty exception}”>Attribute not available.</c:if>
There is a better way: <c:set var=”title” value=”${(empty title) ? ‘Default title’ : title}” /> No need for custom tag in Java nor tld. Just plain JSP EL and conditional operator. In my opinion it is shorter and cleaner than old: <c:if test=”${empty title}” > <c:set var=”title” value=”Default title” /> </c:if>
It’s also possible to use an EL expression directly like this: <div class=”${booleanExpr ? ‘cssClass’ : ‘otherCssClass’}”> </div>
Try: <c:if test = “${ansokanInfo.PSystem == ‘NAT’}”> JSP/Servlet 2.4 (I think that’s the version number) doesn’t support method calls in EL and only support properties. The latest servlet containers do support method calls (ie Tomcat 7).
Overview of JSP Syntax Elements First, to make things more clear, here is a short overview of JSP syntax elements: Directives: These convey information regarding the JSP page as a whole. Scripting elements: These are Java coding elements such as declarations, expressions, scriptlets, and comments. Objects and scopes: JSP objects can be created either explicitly … Read more