protected String[] doListFileNames(
String pathName, FileStoreFilter filter, boolean recurse, boolean exitBranchOnFirstMatch) {
java.util.ArrayList<String> nameList = null;
for (StoreLocation location : this.readLocations) {
// If the path name is null, then just search from the root of each location. Otherwise search
// from the
// named cache path.
java.io.File dir = location.getFile();
if (pathName != null) dir = new java.io.File(makeAbsolutePath(dir, pathName));
// Either the location does not exists, or the speciifed path does not exist under that
// location. In either
// case we skip searching this location.
if (!dir.exists()) continue;
// Lazily initialize the list of file names. If no location contains the specified path, then
// the list is
// not created, and this method will return null.
if (nameList == null) nameList = new java.util.ArrayList<String>();
this.doListFileNames(location, dir, filter, recurse, exitBranchOnFirstMatch, nameList);
}
if (nameList == null) return null;
String[] names = new String[nameList.size()];
nameList.toArray(names);
return names;
}
protected void doListFileNames(
StoreLocation location,
java.io.File dir,
FileStoreFilter filter,
boolean recurse,
boolean exitBranchOnFirstMatch,
java.util.Collection<String> names) {
java.util.ArrayList<java.io.File> subDirs = new java.util.ArrayList<java.io.File>();
// Search the children of the specified directory. If the child is a directory, append it to the
// list of sub
// directories to search later. Otherwise, try to list the file as a match. If the file is a
// match and
// exitBranchOnFirstMatch is true, then exit this branch without considering any other files.
// This has the
// effect of choosing files closest to the search root.
for (java.io.File childFile : dir.listFiles()) {
if (childFile == null) continue;
if (childFile.isDirectory()) {
subDirs.add(childFile);
} else {
if (this.listFile(location, childFile, filter, names) && exitBranchOnFirstMatch) return;
}
}
if (!recurse) return;
// Recursively search each sub-directory. If exitBranchOnFirstMatch is true, then we did not
// find a match under
// this directory.
for (java.io.File childDir : subDirs) {
this.doListFileNames(location, childDir, filter, recurse, exitBranchOnFirstMatch, names);
}
}
public java.util.List<? extends java.io.File> getLocations() {
java.util.ArrayList<java.io.File> locations = new java.util.ArrayList<java.io.File>();
for (StoreLocation location : this.readLocations) {
locations.add(location.getFile());
}
return locations;
}