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Servlet/PortletRequestDataBinder perform unwrapping for MultipartRequest as well (SPR-7795)

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This commit is contained in:
Juergen Hoeller
2011-01-26 20:09:42 +00:00
parent 4835be78b7
commit b3f039ae5f
6 changed files with 108 additions and 76 deletions
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7
org.springframework.web/src/main/java/org/springframework/web/bind/ServletRequestDataBinder.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2010 the original author or authors.
* Copyright 2002-2011 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.
@@ -21,6 +21,7 @@ import javax.servlet.ServletRequest;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.validation.BindException;
import org.springframework.web.multipart.MultipartRequest;
import org.springframework.web.util.WebUtils;
/**
* Special {@link org.springframework.validation.DataBinder} to perform data binding
@@ -103,8 +104,8 @@ public class ServletRequestDataBinder extends WebDataBinder {
*/
public void bind(ServletRequest request) {
MutablePropertyValues mpvs = new ServletRequestParameterPropertyValues(request);
if (request instanceof MultipartRequest) {
MultipartRequest multipartRequest = (MultipartRequest) request;
MultipartRequest multipartRequest = WebUtils.getNativeRequest(request, MultipartRequest.class);
if (multipartRequest != null) {
bindMultipart(multipartRequest.getMultiFileMap(), mpvs);
}
doBind(mpvs);

37
org.springframework.web/src/main/java/org/springframework/web/context/request/ServletWebRequest.java
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@@ -20,10 +20,6 @@ import java.security.Principal;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import javax.servlet.ServletRequest;
import javax.servlet.ServletRequestWrapper;
import javax.servlet.ServletResponse;
import javax.servlet.ServletResponseWrapper;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
@@ -31,6 +27,7 @@ import javax.servlet.http.HttpSession;
import org.springframework.util.CollectionUtils;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import org.springframework.web.util.WebUtils;
/**
* {@link WebRequest} adapter for an {@link javax.servlet.http.HttpServletRequest}.
@@ -92,40 +89,12 @@ public class ServletWebRequest extends ServletRequestAttributes implements Nativ
@SuppressWarnings("unchecked")
public <T> T getNativeRequest(Class<T> requiredType) {
if (requiredType != null) {
ServletRequest request = getRequest();
while (request != null) {
if (requiredType.isInstance(request)) {
return (T) request;
}
else if (request instanceof ServletRequestWrapper) {
request = ((ServletRequestWrapper) request).getRequest();
}
else {
request = null;
}
}
}
return null;
return WebUtils.getNativeRequest(getRequest(), requiredType);
}
@SuppressWarnings("unchecked")
public <T> T getNativeResponse(Class<T> requiredType) {
if (requiredType != null) {
ServletResponse response = getResponse();
while (response != null) {
if (requiredType.isInstance(response)) {
return (T) response;
}
else if (response instanceof ServletResponseWrapper) {
response = ((ServletResponseWrapper) response).getResponse();
}
else {
response = null;
}
}
}
return null;
return WebUtils.getNativeResponse(getResponse(), requiredType);
}

47
org.springframework.web/src/main/java/org/springframework/web/util/WebUtils.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2009 the original author or authors.
* Copyright 2002-2011 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.
@@ -23,6 +23,9 @@ import java.util.Map;
import java.util.TreeMap;
import javax.servlet.ServletContext;
import javax.servlet.ServletRequest;
import javax.servlet.ServletRequestWrapper;
import javax.servlet.ServletResponse;
import javax.servlet.ServletResponseWrapper;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@@ -366,6 +369,48 @@ public abstract class WebUtils {
}
/**
* Return an appropriate request object of the specified type, if available,
* unwrapping the given request as far as necessary.
* @param request the servlet request to introspect
* @param requiredType the desired type of request object
* @return the matching request object, or <code>null</code> if none
* of that type is available
*/
@SuppressWarnings("unchecked")
public static <T> T getNativeRequest(ServletRequest request, Class<T> requiredType) {
if (requiredType != null) {
if (requiredType.isInstance(request)) {
return (T) request;
}
else if (request instanceof ServletRequestWrapper) {
return getNativeRequest(((ServletRequestWrapper) request).getRequest(), requiredType);
}
}
return null;
}
/**
* Return an appropriate response object of the specified type, if available,
* unwrapping the given response as far as necessary.
* @param response the servlet response to introspect
* @param requiredType the desired type of response object
* @return the matching response object, or <code>null</code> if none
* of that type is available
*/
@SuppressWarnings("unchecked")
public static <T> T getNativeResponse(ServletResponse response, Class<T> requiredType) {
if (requiredType != null) {
if (requiredType.isInstance(response)) {
return (T) response;
}
else if (response instanceof ServletResponseWrapper) {
return getNativeResponse(((ServletResponseWrapper) response).getResponse(), requiredType);
}
}
return null;
}
/**
* Determine whether the given request is an include request,
* that is, not a top-level HTTP request coming in from the outside.