Polishing

This commit is contained in:
Juergen Hoeller
2015-03-31 18:42:28 +02:00
parent fc79ea3dd7
commit 35bf96763d
8 changed files with 90 additions and 91 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2015 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.
@@ -107,7 +107,6 @@ public class ContextLoader {
/**
* Config param for the root WebApplicationContext implementation class to use: {@value}
* @see #determineContextClass(ServletContext)
* @see #createWebApplicationContext(ServletContext, ApplicationContext)
*/
public static final String CONTEXT_CLASS_PARAM = "contextClass";
@@ -194,6 +193,7 @@ public class ContextLoader {
*/
private static volatile WebApplicationContext currentContext;
/**
* The root WebApplicationContext instance that this loader manages.
*/
@@ -360,6 +360,37 @@ public class ContextLoader {
return (ConfigurableWebApplicationContext) BeanUtils.instantiateClass(contextClass);
}
/**
* Return the WebApplicationContext implementation class to use, either the
* default XmlWebApplicationContext or a custom context class if specified.
* @param servletContext current servlet context
* @return the WebApplicationContext implementation class to use
* @see #CONTEXT_CLASS_PARAM
* @see org.springframework.web.context.support.XmlWebApplicationContext
*/
protected Class<?> determineContextClass(ServletContext servletContext) {
String contextClassName = servletContext.getInitParameter(CONTEXT_CLASS_PARAM);
if (contextClassName != null) {
try {
return ClassUtils.forName(contextClassName, ClassUtils.getDefaultClassLoader());
}
catch (ClassNotFoundException ex) {
throw new ApplicationContextException(
"Failed to load custom context class [" + contextClassName + "]", ex);
}
}
else {
contextClassName = defaultStrategies.getProperty(WebApplicationContext.class.getName());
try {
return ClassUtils.forName(contextClassName, ContextLoader.class.getClassLoader());
}
catch (ClassNotFoundException ex) {
throw new ApplicationContextException(
"Failed to load default context class [" + contextClassName + "]", ex);
}
}
}
/**
* @deprecated as of Spring 3.1 in favor of
* {@link #createWebApplicationContext(ServletContext)} and
@@ -417,7 +448,6 @@ public class ContextLoader {
* org.springframework.core.annotation.Order Order} will be sorted appropriately.
* @param sc the current servlet context
* @param wac the newly created application context
* @see #createWebApplicationContext(ServletContext, ApplicationContext)
* @see #CONTEXT_INITIALIZER_CLASSES_PARAM
* @see ApplicationContextInitializer#initialize(ConfigurableApplicationContext)
*/
@@ -451,37 +481,6 @@ public class ContextLoader {
}
}
/**
* Return the WebApplicationContext implementation class to use, either the
* default XmlWebApplicationContext or a custom context class if specified.
* @param servletContext current servlet context
* @return the WebApplicationContext implementation class to use
* @see #CONTEXT_CLASS_PARAM
* @see org.springframework.web.context.support.XmlWebApplicationContext
*/
protected Class<?> determineContextClass(ServletContext servletContext) {
String contextClassName = servletContext.getInitParameter(CONTEXT_CLASS_PARAM);
if (contextClassName != null) {
try {
return ClassUtils.forName(contextClassName, ClassUtils.getDefaultClassLoader());
}
catch (ClassNotFoundException ex) {
throw new ApplicationContextException(
"Failed to load custom context class [" + contextClassName + "]", ex);
}
}
else {
contextClassName = defaultStrategies.getProperty(WebApplicationContext.class.getName());
try {
return ClassUtils.forName(contextClassName, ContextLoader.class.getClassLoader());
}
catch (ClassNotFoundException ex) {
throw new ApplicationContextException(
"Failed to load default context class [" + contextClassName + "]", ex);
}
}
}
/**
* Return the {@link ApplicationContextInitializer} implementation classes to use
* if any have been specified by {@link #CONTEXT_INITIALIZER_CLASSES_PARAM}.

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2015 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.
@@ -23,14 +23,13 @@ import javax.servlet.ServletContextListener;
* Bootstrap listener to start up and shut down Spring's root {@link WebApplicationContext}.
* Simply delegates to {@link ContextLoader} as well as to {@link ContextCleanupListener}.
*
* <p>This listener should be registered after
* {@link org.springframework.web.util.Log4jConfigListener}
* <p>This listener should be registered after {@link org.springframework.web.util.Log4jConfigListener}
* in {@code web.xml}, if the latter is used.
*
* <p>As of Spring 3.1, {@code ContextLoaderListener} supports injecting the root web
* application context via the {@link #ContextLoaderListener(WebApplicationContext)}
* constructor, allowing for programmatic configuration in Servlet 3.0+ environments. See
* {@link org.springframework.web.WebApplicationInitializer} for usage examples.
* constructor, allowing for programmatic configuration in Servlet 3.0+ environments.
* See {@link org.springframework.web.WebApplicationInitializer} for usage examples.
*
* @author Juergen Hoeller
* @author Chris Beams
@@ -98,6 +97,7 @@ public class ContextLoaderListener extends ContextLoader implements ServletConte
super(context);
}
/**
* Initialize the root web application context.
*/