9.1.1 WebAttributes Trait Example 5.3.2

(Quick Reference) # 9.1.1 WebAttributes Trait Example Version: 5.3.2 ## 9.1.1 WebAttributes Trait Example WebAttributes is one of the traits provided by the framework. Any Groovy class may implement this trait to inherit all of the properties and behaviors provided by the trait. src/main/groovy/demo/Helper.groovy
    package demo

    import grails.web.api.WebAttributes

    class Helper implements WebAttributes {

        List<String> getControllerNames() {
            // There is no need to pass grailsApplication as an argument
            // or otherwise inject the grailsApplication property.  The
            // WebAttributes trait provides access to grailsApplication.
            grailsApplication.getArtefacts('Controller')*.name
        }
    }
The traits are compatible with static compilation…​ src/main/groovy/demo/Helper.groovy
    package demo

    import grails.web.api.WebAttributes
    import groovy.transform.CompileStatic

    @CompileStatic
    class Helper implements WebAttributes {

        List<String> getControllerNames() {
            // There is no need to pass grailsApplication as an argument
            // or otherwise inject the grailsApplication property.  The
            // WebAttributes trait provides access to grailsApplication.
            grailsApplication.getArtefacts('Controller')*.name
        }
    }
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