/**
* Reads the resources available for processing based on the path parameters.
*
* <p>
*
* @return the resources available for processing based on the path parameters.
*/
@SuppressWarnings("unchecked")
private List<CmsResource> getResources() {
List<CmsResource> result = new LinkedList<CmsResource>();
CmsObject cms = this.getCms();
CmsResourceFilter filter = CmsResourceFilter.ALL;
try {
for (String path : this.m_paths) {
List<CmsResource> resources = cms.readResources(path, filter, true);
// filter out any resource that is no XML content:
for (CmsResource resource : resources) {
if (resource.isFile()) {
if (CmsResourceTypeXmlContent.isXmlContent(resource)) {
result.add(resource);
} else if (CmsResourceTypeXmlPage.isXmlPage(resource)) {
result.add(resource);
}
}
}
}
} catch (CmsException e) {
LOG.error(Messages.get().getBundle().key(Messages.LOG_ERR_LANGUAGECOPY_READRESOURCES_0), e);
result = Collections.emptyList();
}
return result;
}
/**
* Calculates the date to use for comparison of this resource based on the given date identifiers.
*
* <p>
*
* @param cms the current OpenCms user context
* @param resource the resource to create the key for
* @param dateIdentifiers the date identifiers to use for selecting the date
* @param defaultValue the default value to use in case no value can be calculated
* @return the calculated date
* @see CmsDateResourceComparator for a description about how the date identifieres are used
*/
public static long calculateDate(
CmsObject cms, CmsResource resource, List<String> dateIdentifiers, long defaultValue) {
long result = 0;
List<CmsProperty> properties = null;
for (int i = 0, size = dateIdentifiers.size(); i < size; i++) {
// check all configured comparisons
String date = dateIdentifiers.get(i);
int pos = DATE_ATTRIBUTES_LIST.indexOf(date);
switch (pos) {
case 0: // "dateCreated"
result = resource.getDateCreated();
break;
case 1: // "dateLastModified"
result = resource.getDateLastModified();
break;
case 2: // "dateContent"
if (resource.isFile()) {
// date content makes no sense for folders
result = resource.getDateContent();
}
break;
case 3: // "dateReleased"
long dr = resource.getDateReleased();
if (dr != CmsResource.DATE_RELEASED_DEFAULT) {
// default release date must be ignored
result = dr;
}
break;
case 4: // "dateExpired"
long de = resource.getDateExpired();
if (de != CmsResource.DATE_EXPIRED_DEFAULT) {
// default expiration date must be ignored
result = de;
}
break;
default:
// of this is not an attribute, assume this is a property
if (properties == null) {
// we may not have to read the properties since the user may only use attributes,
// so use lazy initializing here
try {
properties = cms.readPropertyObjects(resource, false);
} catch (CmsException e) {
// use empty list in case of an error, to avoid further re-read tries
properties = Collections.emptyList();
}
}
String propValue = CmsProperty.get(date, properties).getValue();
if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(propValue)) {
try {
result = Long.parseLong(propValue.trim());
} catch (NumberFormatException e) {
// maybe we have better luck with the next property
}
}
break;
}
if (result != 0) {
// if a date value has been found, terminate the loop
break;
}
}
if (result == 0) {
// if nothing else was found, use default
result = defaultValue;
}
return result;
}