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Also check if MyFaces in use at runtime

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Issue: SWF-1670
This commit is contained in:
Rossen Stoyanchev
2016-06-17 11:38:52 -04:00
parent e03a71f64b
commit b8ab19a467
1 changed files with 20 additions and 14 deletions
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34
spring-faces/src/main/java/org/springframework/faces/webflow/JsfRuntimeInformation.java
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@@ -74,7 +74,7 @@ public class JsfRuntimeInformation {
private static final boolean myFacesPresent =
ClassUtils.isPresent("org.apache.myfaces.webapp.MyFacesServlet", CLASSLOADER);
private static final boolean myFacesInUse = checkMyFacesContextFactory();
private static boolean myFacesInUse = isMyFacesContextFactoryInUse();
private static boolean portletPresent = ClassUtils.isPresent("javax.portlet.Portlet", CLASSLOADER);
@@ -83,19 +83,6 @@ public class JsfRuntimeInformation {
ClassUtils.isPresent("org.springframework.web.portlet.DispatcherPortlet", CLASSLOADER);
private static boolean checkMyFacesContextFactory() {
try {
Class<?> clazz = CLASSLOADER.loadClass("org.apache.myfaces.context.FacesContextFactoryImpl");
Object factory = FactoryFinder.getFactory(FactoryFinder.FACES_CONTEXT_FACTORY);
while (!clazz.isInstance(factory) && factory instanceof FacesWrapper) {
factory = ((FacesWrapper) factory).getWrapped();
}
return (factory != null && clazz.isInstance(factory));
}
catch (Throwable ex) {
return false;
}
}
public static boolean isAtLeastJsf22() {
return jsfVersion >= JSF_22;
@@ -127,9 +114,28 @@ public class JsfRuntimeInformation {
}
public static boolean isMyFacesInUse() {
if (myFacesInUse) {
return true;
}
// On WebSphere MyFaces may have loaded after this class...
myFacesInUse = isMyFacesContextFactoryInUse();
return myFacesInUse;
}
private static boolean isMyFacesContextFactoryInUse() {
try {
Class<?> clazz = CLASSLOADER.loadClass("org.apache.myfaces.context.FacesContextFactoryImpl");
Object factory = FactoryFinder.getFactory(FactoryFinder.FACES_CONTEXT_FACTORY);
while (!clazz.isInstance(factory) && factory instanceof FacesWrapper) {
factory = ((FacesWrapper) factory).getWrapped();
}
return (factory != null && clazz.isInstance(factory));
}
catch (Throwable ex) {
return false;
}
}
/**
* Determines if the container has support for portlets and if Spring MVC portlet support is available