/**
* Returns a list of resources which contains no linked entries.
*
* <p>Links on the same resource entry are deleted from the list of resources. This method has to
* be used after calling the method CmsObject.getResourcesInTimeRange(String, long, long);
*
* @param resources the list of resources which may contain links
* @return a filtered list of resources
*/
public static List<CmsResource> filterLinkedResources(List<CmsResource> resources) {
List<CmsResource> filteredResources = new ArrayList<CmsResource>();
Set<CmsUUID> addedResources = new HashSet<CmsUUID>();
long currentTime = System.currentTimeMillis();
Iterator<CmsResource> i = resources.iterator();
while (i.hasNext()) {
CmsResource currentResource = i.next();
// filter those documents that are folders or outside the release and expire window
if (currentResource.isFolder()
|| (currentResource.getDateReleased() > currentTime)
|| (currentResource.getDateExpired() < currentTime)) {
// skip folders and resources outside time range
continue;
}
if (CmsDocumentFactory.isIgnoredDocument(currentResource.getRootPath(), true)) {
// this resource is ignored, skip it before checking the resource id
continue;
}
CmsUUID resId = currentResource.getResourceId();
if (!addedResources.contains(resId)) {
// add resource to return list and ID to set
addedResources.add(resId);
filteredResources.add(currentResource);
}
}
// clear objects to release memory
i = null;
addedResources = null;
resources = null;
return filteredResources;
}
/**
* Creates a list of new resources of the specified folder and filters the unwanted resources.
*
* <p>If the parameter categoryFolders is an empty list, all new resources are returned, otherwise
* only those resources which are in a subfolder specified by the list.
*
* <p>
*
* @param cms the CmsObject
* @param startFolder the root folder
* @param startDate the start date in milliseconds
* @param endDate the end date in milliseconds
* @param selectedCategories list with selected categories/folders
* @param openedCategories list with opened categories/folders
* @return list of new resources
*/
private static List<CmsResource> getNewResourceList(
CmsObject cms,
String startFolder,
long startDate,
long endDate,
List<String> selectedCategories,
List<String> openedCategories) {
List<CmsResource> searchResult = null;
List<CmsResource> foundResources = null;
Set<CmsUUID> addedResources = null;
if (LOG.isDebugEnabled()) {
StringBuffer buf = new StringBuffer();
for (int i = 0, n = selectedCategories.size(); i < n; i++) {
buf.append(selectedCategories.get(i));
if (i < (n - 1)) {
buf.append(", ");
}
}
LOG.debug("################ INPUT VALUES FOR NEW DOCUMENTS SEARCH");
LOG.debug("startDate : " + startDate + " " + new java.util.Date(startDate).toString());
LOG.debug("endDate : " + endDate + " " + new java.util.Date(endDate).toString());
LOG.debug("startFolder : " + startFolder);
LOG.debug("categories : " + buf.toString());
}
try {
// get all resources in the site root which are in the time range
CmsResourceFilter filter = CmsResourceFilter.IGNORE_EXPIRATION;
filter = filter.addRequireLastModifiedAfter(startDate);
filter = filter.addRequireLastModifiedBefore(endDate);
foundResources = cms.readResources(startFolder, filter);
} catch (CmsException e) {
if (LOG.isErrorEnabled()) {
LOG.error(
"Error reading resources in time range "
+ new java.util.Date(startDate).toString()
+ " - "
+ new java.util.Date(endDate).toString()
+ " below folder "
+ startFolder,
e);
}
foundResources = Collections.emptyList();
}
if (selectedCategories.size() == 0) {
// return all found resources with filtered links
searchResult = filterLinkedResources(foundResources);
} else {
addedResources = new HashSet<CmsUUID>();
searchResult = new ArrayList<CmsResource>();
long currentTime = System.currentTimeMillis();
for (int i = 0, n = foundResources.size(); i < n; i++) {
// analyze each resource if it has to be included in the search result
CmsResource resource = foundResources.get(i);
// filter those documents that are folders or outside the release and expire window
if (resource.isFolder()
|| (resource.getDateReleased() > currentTime)
|| (resource.getDateExpired() < currentTime)) {
// skip folders and resources outside time range
continue;
}
String resourceName = cms.getRequestContext().removeSiteRoot(resource.getRootPath());
String parentFolder = CmsResource.getParentFolder(resourceName);
boolean addToResult = false;
if (!selectedCategories.contains(parentFolder) && openedCategories.contains(parentFolder)) {
// skip resources that are inside an opened, but un-selected category/folder
continue;
}
// check if the parent folder of the resource is one of the selected categories/folders
addToResult = selectedCategories.contains(parentFolder);
if (!addToResult) {
// check if the resource is inside a collapsed sub-tree
// of a selected category
int openedCategoryCount = 0;
while (!"/".equals(parentFolder)) {
if (openedCategories.contains(parentFolder)) {
openedCategoryCount++;
}
if (selectedCategories.contains(parentFolder) && (openedCategoryCount == 0)) {
// we found a selected parent category,
// and it's sub-tree is collapsed
addToResult = true;
break;
}
parentFolder = CmsResource.getParentFolder(parentFolder);
}
}
if (!addToResult) {
// continue with the next resource
continue;
}
if (CmsDocumentFactory.isIgnoredDocument(resourceName, true)) {
// this resource is ignored, skip it before checking the resource id
continue;
}
// check if the resource is a sibling that has already been added to the search result
CmsUUID resourceId = resource.getResourceId();
if (!addedResources.contains(resourceId)) {
// add resource to the result
addedResources.add(resourceId);
searchResult.add(resource);
}
}
}
return searchResult;
}
