/**
* Recursively retrieve PortletContextResources that match the given pattern,
* adding them to the given result set.
* @param portletContext the PortletContext to work on
* @param fullPattern the pattern to match against,
* with preprended root directory path
* @param dir the current directory
* @param result the Set of matching Resources to add to
* @throws IOException if directory contents could not be retrieved
* @see org.springframework.web.portlet.context.PortletContextResource
* @see javax.portlet.PortletContext#getResourcePaths
*/
protected void doRetrieveMatchingPortletContextResources(
PortletContext portletContext, String fullPattern, String dir, Set<Resource> result) throws IOException {
Set<String> candidates = portletContext.getResourcePaths(dir);
if (candidates != null) {
boolean dirDepthNotFixed = fullPattern.contains("**");
for (Iterator<String> it = candidates.iterator(); it.hasNext();) {
String currPath = it.next();
if (currPath.endsWith("/") &&
(dirDepthNotFixed ||
StringUtils.countOccurrencesOf(currPath, "/") <= StringUtils.countOccurrencesOf(fullPattern, "/"))) {
doRetrieveMatchingPortletContextResources(portletContext, fullPattern, currPath, result);
}
if (getPathMatcher().match(fullPattern, currPath)) {
result.add(new PortletContextResource(portletContext, currPath));
}
}
}
}
PortletContextResourcePatternResolver.java 文件源码
java
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项目:spring4-understanding
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