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com.vaadin.flow.server.startup.
Class WebComponentExporterAwareValidator
- java.lang.Object
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- com.vaadin.flow.server.startup.AbstractAnnotationValidator
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- com.vaadin.flow.server.startup.WebComponentExporterAwareValidator
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All Implemented Interfaces:
public class WebComponentExporterAwareValidator extends AbstractAnnotationValidator implements ClassLoaderAwareServletContainerInitializerChecks that specific annotations are not configured wrong.
The validation is run during servlet container initialization.
Since:
2.0
Author:
Vaadin Ltd.
See Also:
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Field Summary
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Fields inherited from class com.vaadin.flow.server.startup.AbstractAnnotationValidator
ERROR_MESSAGE_BEGINNING, MIDDLE_ROUTER_LAYOUT, NON_PARENT, NON_PARENT_ALIAS, NON_ROUTER_LAYOUT
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Constructor Summary
Constructors Constructor and Description WebComponentExporterAwareValidator()
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Method Summary
All Methods Modifier and Type Method and Description List<Class<?>>getAnnotations()Gets the annotations that are subject to validate.
protected StringgetErrorHint()Returns a hint for the discovered validation errors.
protected Optional<String>handleNonRouterLayout(Class<?> clazz)Handles the
clazzwhich is not a top level route and not a router layout.voidprocess(Set<Class<?>> classSet, ServletContext servletContext)Implement this method instead of
ClassLoaderAwareServletContainerInitializer.onStartup(Set, ServletContext)to handle classes accessible by different classloaders.-
Methods inherited from class com.vaadin.flow.server.startup.AbstractAnnotationValidator
getClassAnnotations, getClassAnnotations, validateClasses
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.vaadin.flow.server.startup.ClassLoaderAwareServletContainerInitializer
onStartup
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Method Detail
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process
public void process(Set<Class<?>> classSet, ServletContext servletContext) throws ServletExceptionDescription copied from interface:
ClassLoaderAwareServletContainerInitializerImplement this method instead of
ClassLoaderAwareServletContainerInitializer.onStartup(Set, ServletContext)to handle classes accessible by different classloaders.Specified by:
processin interfaceClassLoaderAwareServletContainerInitializerParameters:
classSet- the Set of application classes that extend, implement, or have been annotated with the class types specified by theHandlesTypesannotation, or null if there are no matches, or this ServletContainerInitializer has not been annotated with HandlesTypesservletContext- the ServletContext of the web application that is being started and in which the classes contained in c were foundThrows:
ServletException- if an error has occurredSee Also:
ClassLoaderAwareServletContainerInitializer.onStartup(Set, ServletContext)
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handleNonRouterLayout
protected Optional<String> handleNonRouterLayout(Class<?> clazz)Description copied from class:
AbstractAnnotationValidatorHandles the
clazzwhich is not a top level route and not a router layout. Returns an optional message which describes the error having an annotation for the class.Overrides:
handleNonRouterLayoutin classAbstractAnnotationValidatorParameters:
clazz- class to validate annotationsReturns:
an optional error message or empty if there is no error
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getErrorHint
protected String getErrorHint()Description copied from class:
AbstractAnnotationValidatorReturns a hint for the discovered validation errors.
Overrides:
getErrorHintin classAbstractAnnotationValidatorReturns:
the error hint
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getAnnotations
public List<Class<?>> getAnnotations()Description copied from class:
AbstractAnnotationValidatorGets the annotations that are subject to validate.
Specified by:
getAnnotationsin classAbstractAnnotationValidatorReturns:
a list of target annotations
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