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Polish JsfRuntimeInformation

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This commit is contained in:
Rossen Stoyanchev
2016-06-17 11:27:16 -04:00
parent 1ae4db6240
commit e03a71f64b
1 changed files with 34 additions and 44 deletions
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78
spring-faces/src/main/java/org/springframework/faces/webflow/JsfRuntimeInformation.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2004-2015 the original author or authors.
* Copyright 2004-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -34,43 +34,28 @@ import org.springframework.webflow.execution.RequestContext;
*/
public class JsfRuntimeInformation {
/**
* JSF Version 1.1
*
* @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement
*/
@Deprecated
public static final int JSF_11 = 0;
private static final ClassLoader CLASSLOADER = JsfRuntimeInformation.class.getClassLoader();
/**
* JSF Version 1.2
*
* @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement
*/
@Deprecated
public static final int JSF_12 = 1;
/** JSF Version 2.0 */
public static final int JSF_20 = 2;
/** JSF Version 2.1 */
public static final int JSF_21 = 3;
/** JSF Version 2.2 */
public static final int JSF_22 = 4;
/** JSF Version 2.1 */
public static final int JSF_21 = 3;
/** JSF Version 2.0 */
public static final int JSF_20 = 2;
/** @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement */
@Deprecated
public static final int JSF_12 = 1;
/** @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement */
@Deprecated
public static final int JSF_11 = 0;
private static final int jsfVersion;
private static final ClassLoader CLASS_LOADER = JsfUtils.class.getClassLoader();
private static final boolean myFacesPresent = ClassUtils.isPresent("org.apache.myfaces.webapp.MyFacesServlet", CLASS_LOADER);
private static final boolean myFacesInUse = checkMyFacesContextFactory();
private static boolean portletPresent = ClassUtils.isPresent("javax.portlet.Portlet", CLASS_LOADER);
private static boolean springPortletPresent = ClassUtils.isPresent("org.springframework.web.portlet.DispatcherPortlet", CLASS_LOADER);
static {
if (ReflectionUtils.findMethod(FacesContext.class, "getResourceLibraryContracts") != null) {
jsfVersion = JSF_22;
@@ -86,10 +71,21 @@ 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 portletPresent = ClassUtils.isPresent("javax.portlet.Portlet", CLASSLOADER);
private static boolean springPortletPresent =
ClassUtils.isPresent("org.springframework.web.portlet.DispatcherPortlet", CLASSLOADER);
private static boolean checkMyFacesContextFactory() {
ClassLoader classLoader = JsfUtils.class.getClassLoader();
try {
Class<?> clazz = classLoader.loadClass("org.apache.myfaces.context.FacesContextFactoryImpl");
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();
@@ -109,30 +105,23 @@ public class JsfRuntimeInformation {
return jsfVersion >= JSF_21;
}
/**
* @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement
*/
@Deprecated
public static boolean isAtLeastJsf20() {
return jsfVersion >= JSF_20;
}
/**
* @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement
*/
/** @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement */
@Deprecated
public static boolean isAtLeastJsf12() {
return jsfVersion >= JSF_12;
}
/**
* @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement
*/
/** @deprecated As of Web Flow 2.4.0 JSF 2.0 is a minimum requirement */
@Deprecated
public static boolean isLessThanJsf20() {
return jsfVersion < JSF_20;
}
public static boolean isMyFacesPresent() {
return myFacesPresent;
}
@@ -141,6 +130,7 @@ public class JsfRuntimeInformation {
return myFacesInUse;
}
/**
* Determines if the container has support for portlets and if Spring MVC portlet support is available
*
@@ -152,7 +142,6 @@ public class JsfRuntimeInformation {
/**
* Determine if the specified {@link FacesContext} is from a portlet request.
*
* @param context the faces context
* @return <tt>true</tt> if the request is from a portlet
*/
@@ -182,4 +171,5 @@ public class JsfRuntimeInformation {
Assert.notNull(nativeContext, "Context must not be null");
return ClassUtils.getMethodIfAvailable(nativeContext.getClass(), "getPortletContextName") != null;
}
}