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SPR-8863 Add RequestContext.getPathToServlet() method.

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This method allows a view to access the combined context path and
servlet mapping path for prefixing URLs without having to specify
the literal part of a servlet mapping such as "/main/*") 
explicitly everywhere. For example:

${requestContext.pathToServlet}/css/main.css
This commit is contained in:
Rossen Stoyanchev
2011-12-01 22:56:51 +00:00
parent 0ef3beb462
commit 9f98f77c3e
4 changed files with 64 additions and 7 deletions
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11
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/config/annotation/WebMvcConfigurationSupport.java
View File

@@ -464,9 +464,14 @@ public abstract class WebMvcConfigurationSupport implements ApplicationContextAw
}
/**
* Returns a {@link HandlerExceptionResolverComposite} that contains a list
* of exception resolvers. To customize the list of exception resolvers,
* consider overriding {@link #configureHandlerExceptionResolvers(List)}.
* Returns a {@link HandlerExceptionResolverComposite} containing a list
* of exception resolvers obtained either through
* {@link #configureHandlerExceptionResolvers(List)} or through
* {@link #addDefaultHandlerExceptionResolvers(List)}.
* <p><strong>Note:</strong> This method cannot be made final due to CGLib
* constraints. Rather than overriding it, consider overriding
* {@link #configureHandlerExceptionResolvers(List)}, which allows
* providing a list of resolvers.
*/
@Bean
public HandlerExceptionResolver handlerExceptionResolver() throws Exception {

15
org.springframework.web.servlet/src/main/java/org/springframework/web/servlet/support/RequestContext.java
View File

@@ -417,6 +417,21 @@ public class RequestContext {
return url;
}
/**
* Return the path to URL mappings within the current servlet including the
* context path and the servlet path of the original request. This is useful
* for building links to other resources within the application where a
* servlet mapping of the style {@code "/main/*"} is used.
* <p>Delegates to the UrlPathHelper for decoding the context path.
* @see javax.servlet.http.HttpServletRequest#getContextPath
* @see javax.servlet.http.HttpServletRequest#getServletPath()
* @see #getUrlPathHelper
*/
public String getPathToServlet() {
return this.urlPathHelper.getOriginatingContextPath(this.request)
+ this.urlPathHelper.getOriginatingServletPath(this.request);
}
/**
* Return the request URI of the original request, that is, the invoked URL without parameters. This is particularly
* useful as HTML form action target, possibly in combination with the original query string. <p><b>Note this