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added filter ordering comments (SPR-6594)

This commit is contained in:
Juergen Hoeller 2010-03-30 10:46:51 +00:00
parent 2c9753ad25
commit 0eabef0720
2 changed files with 13 additions and 9 deletions
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5
org.springframework.web/src/main/java/org/springframework/web/filter/HiddenHttpMethodFilter.java
View File

@ -38,6 +38,11 @@ import org.springframework.util.StringUtils;
* <p>The name of the request parameter defaults to <code>_method</code>, but can be
* changed via the {@link #setMethodParam(String) methodParam} property.
*
* <p><b>NOTE: This filter needs to run after multipart processing in case of a multipart
* POST request, due to its inherent need for checking a POST body parameter.</b>
* So typically, put a Spring {@link org.springframework.web.multipart.support.MultipartFilter}
* <i>before</i> this HiddenHttpMethodFilter in your <code>web.xml</code> filter chain.
*
* @author Arjen Poutsma
* @since 3.0
*/

17
org.springframework.web/src/main/java/org/springframework/web/multipart/support/MultipartFilter.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2006 the original author or authors.
* Copyright 2002-2010 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.
@ -17,7 +17,6 @@
package org.springframework.web.multipart.support;
import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
@ -46,9 +45,10 @@ import org.springframework.web.multipart.MultipartResolver;
* for each call but rather return a reference to a pre-built instance.
*
* <p>Note: This filter is an <b>alternative</b> to using DispatcherServlet's
* MultipartResolver support, for example for web applications with custom
* web views that do not use Spring's web MVC. It should not be combined with
* servlet-specific multipart resolution.
* MultipartResolver support, for example for web applications with custom web views
* which do not use Spring's web MVC, or for custom filters applied before a Spring MVC
* DispatcherServlet (e.g. {@link org.springframework.web.filter.HiddenHttpMethodFilter}).
* In any case, this filter should not be combined with servlet-specific multipart resolution.
*
* @author Juergen Hoeller
* @since 08.10.2003
@ -77,7 +77,7 @@ public class MultipartFilter extends OncePerRequestFilter {
* root application context.
*/
protected String getMultipartResolverBeanName() {
return multipartResolverBeanName;
return this.multipartResolverBeanName;
}
@ -143,9 +143,8 @@ public class MultipartFilter extends OncePerRequestFilter {
if (logger.isDebugEnabled()) {
logger.debug("Using MultipartResolver '" + getMultipartResolverBeanName() + "' for MultipartFilter");
}
WebApplicationContext wac =
WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext());
return (MultipartResolver) wac.getBean(getMultipartResolverBeanName(), MultipartResolver.class);
WebApplicationContext wac = WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext());
return wac.getBean(getMultipartResolverBeanName(), MultipartResolver.class);
}
}