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This commit is contained in:
Juergen Hoeller
2018-10-26 11:07:29 +02:00
parent 8df3fd3f1d
commit f32e1bcbe3
2 changed files with 20 additions and 20 deletions
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21
spring-webmvc/src/main/java/org/springframework/web/servlet/resource/ResourceUrlEncodingFilter.java
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@@ -36,8 +36,7 @@ import org.springframework.web.util.UrlPathHelper;
/**
* A filter that wraps the {@link HttpServletResponse} and overrides its
* {@link HttpServletResponse#encodeURL(String) encodeURL} method in order to
* translate internal resource request URLs into public URL paths for external
* use.
* translate internal resource request URLs into public URL paths for external use.
*
* @author Jeremy Grelle
* @author Rossen Stoyanchev
@@ -52,7 +51,8 @@ public class ResourceUrlEncodingFilter extends GenericFilterBean {
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)
throws IOException, ServletException {
throws ServletException, IOException {
if (!(request instanceof HttpServletRequest) || !(response instanceof HttpServletResponse)) {
throw new ServletException("ResourceUrlEncodingFilter only supports HTTP requests");
}
@@ -63,6 +63,7 @@ public class ResourceUrlEncodingFilter extends GenericFilterBean {
filterChain.doFilter(wrappedRequest, wrappedResponse);
}
private static class ResourceUrlEncodingRequestWrapper extends HttpServletRequestWrapper {
@Nullable
@@ -78,11 +79,11 @@ public class ResourceUrlEncodingFilter extends GenericFilterBean {
}
@Override
public void setAttribute(String name, Object o) {
super.setAttribute(name, o);
public void setAttribute(String name, Object value) {
super.setAttribute(name, value);
if (ResourceUrlProviderExposingInterceptor.RESOURCE_URL_PROVIDER_ATTR.equals(name)) {
if(o instanceof ResourceUrlProvider) {
initLookupPath((ResourceUrlProvider) o);
if (value instanceof ResourceUrlProvider) {
initLookupPath((ResourceUrlProvider) value);
}
}
@@ -109,11 +110,11 @@ public class ResourceUrlEncodingFilter extends GenericFilterBean {
@Nullable
public String resolveUrlPath(String url) {
if (this.resourceUrlProvider == null) {
logger.trace("ResourceUrlProvider not available via " +
"request attribute ResourceUrlProviderExposingInterceptor.RESOURCE_URL_PROVIDER_ATTR");
logger.trace("ResourceUrlProvider not available via request attribute " +
"ResourceUrlProviderExposingInterceptor.RESOURCE_URL_PROVIDER_ATTR");
return null;
}
if (url.startsWith(this.prefixLookupPath)) {
if (this.indexLookupPath != null && url.startsWith(this.prefixLookupPath)) {
int suffixIndex = getQueryParamsIndex(url);
String suffix = url.substring(suffixIndex);
String lookupPath = url.substring(this.indexLookupPath, suffixIndex);