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This commit is contained in:
Juergen Hoeller
2016-11-21 17:36:04 +01:00
parent a49809b1a4
commit da63898d5f
9 changed files with 33 additions and 43 deletions
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38
spring-webmvc/src/main/java/org/springframework/web/servlet/ResourceServlet.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2012 the original author or authors.
* Copyright 2002-2016 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.
@@ -175,8 +175,8 @@ public class ResourceServlet extends HttpServletBean {
}
/**
* Return a PathMatcher to use for matching the "allowedResources" URL pattern.
* Default is AntPathMatcher.
* Return a {@link PathMatcher} to use for matching the "allowedResources" URL pattern.
* <p>The default is {@link AntPathMatcher}.
* @see #setAllowedResources
* @see org.springframework.util.AntPathMatcher
*/
@@ -191,9 +191,9 @@ public class ResourceServlet extends HttpServletBean {
*/
@Override
protected final void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
throws ServletException, IOException {
// determine URL of resource to include
// Determine URL of resource to include...
String resourceUrl = determineResourceUrl(request);
if (resourceUrl != null) {
@@ -220,7 +220,7 @@ public class ResourceServlet extends HttpServletBean {
}
}
// no resource URL specified -> try to include default URL.
// No resource URL specified -> try to include default URL.
else if (!includeDefaultUrl(request, response)) {
throw new ServletException("No target resource URL found for request");
}
@@ -265,23 +265,23 @@ public class ResourceServlet extends HttpServletBean {
* @throws IOException if thrown by the RequestDispatcher
*/
private void doInclude(HttpServletRequest request, HttpServletResponse response, String resourceUrl)
throws ServletException, IOException {
throws ServletException, IOException {
if (this.contentType != null) {
response.setContentType(this.contentType);
}
String[] resourceUrls =
StringUtils.tokenizeToStringArray(resourceUrl, RESOURCE_URL_DELIMITERS);
for (int i = 0; i < resourceUrls.length; i++) {
String[] resourceUrls = StringUtils.tokenizeToStringArray(resourceUrl, RESOURCE_URL_DELIMITERS);
for (String url : resourceUrls) {
// check whether URL matches allowed resources
if (this.allowedResources != null && !this.pathMatcher.match(this.allowedResources, resourceUrls[i])) {
throw new ServletException("Resource [" + resourceUrls[i] +
if (this.allowedResources != null && !this.pathMatcher.match(this.allowedResources, url)) {
throw new ServletException("Resource [" + url +
"] does not match allowed pattern [" + this.allowedResources + "]");
}
if (logger.isDebugEnabled()) {
logger.debug("Including resource [" + resourceUrls[i] + "]");
logger.debug("Including resource [" + url + "]");
}
RequestDispatcher rd = request.getRequestDispatcher(resourceUrls[i]);
RequestDispatcher rd = request.getRequestDispatcher(url);
rd.include(request, response);
}
}
@@ -309,8 +309,8 @@ public class ResourceServlet extends HttpServletBean {
if (resourceUrl != null) {
String[] resourceUrls = StringUtils.tokenizeToStringArray(resourceUrl, RESOURCE_URL_DELIMITERS);
long latestTimestamp = -1;
for (int i = 0; i < resourceUrls.length; i++) {
long timestamp = getFileTimestamp(resourceUrls[i]);
for (String url : resourceUrls) {
long timestamp = getFileTimestamp(url);
if (timestamp > latestTimestamp) {
latestTimestamp = timestamp;
}
@@ -336,8 +336,10 @@ public class ResourceServlet extends HttpServletBean {
return lastModifiedTime;
}
catch (IOException ex) {
logger.warn("Couldn't retrieve last-modified timestamp of [" + resource +
"] - using ResourceServlet startup time");
if (logger.isWarnEnabled()) {
logger.warn("Couldn't retrieve last-modified timestamp of " + resource +
" - using ResourceServlet startup time");
}
return -1;
}
}