/**
* List the resources which are members of a collection.
*
* @param file Collection
* @return Vector containing NamingEntry objects
*/
protected List<NamingEntry> list(File file) {
List<NamingEntry> entries = new ArrayList<NamingEntry>();
if (!file.isDirectory()) return entries;
String[] names = file.list();
if (names == null) {
/* Some IO error occurred such as bad file permissions.
Prevent a NPE with Arrays.sort(names) */
log.warn(sm.getString("fileResources.listingNull", file.getAbsolutePath()));
return entries;
}
Arrays.sort(names); // Sort alphabetically
NamingEntry entry = null;
for (int i = 0; i < names.length; i++) {
File currentFile = new File(file, names[i]);
Object object = null;
if (currentFile.isDirectory()) {
FileDirContext tempContext = new FileDirContext(env);
tempContext.setDocBase(file.getPath());
tempContext.setAllowLinking(getAllowLinking());
object = tempContext;
} else {
object = new FileResource(currentFile);
}
entry = new NamingEntry(names[i], object, NamingEntry.ENTRY);
entries.add(entry);
}
return entries;
}
/**
* Retrieves the named object.
*
* @param name the name of the object to look up
* @return the object bound to name
*/
@Override
protected Object doLookup(String name) {
Object result = null;
File file = file(name);
if (file == null) return null;
if (file.isDirectory()) {
FileDirContext tempContext = new FileDirContext(env);
tempContext.setDocBase(file.getPath());
tempContext.setAllowLinking(getAllowLinking());
result = tempContext;
} else {
result = new FileResource(file);
}
return result;
}