Spring Web Flow: How to call static method from 2019-05-02 20:17发布 站内文章 / Java 30 0 0

问题:

I need to call static method of org.hibernate.Hibernate class. How to do that in element of flow ?

回答1:

You can use the following Spring EL construct to evaluate static methods:

<evaluate expression="T(org.hibernate.Hibernate).initialize(yourObject)"/>

See the appropriate Spring EL reference part:

http://static.springsource.org/spring/docs/3.2.x/spring-framework-reference/html/expressions.html#expressions-types

回答2:

spring-webflow 2 uses OGNL expressions. OGNL allows for static referencing of fields and methods. To utilize it you would want to use the '@' notations.

First you reference the class (with package). You would want to put an @ before the package and class name and an @ before the method call. With hibernate it would look like

<evaluate expression="@org.hibernate.Hibernate@initialize()"/>