/**
* Searches recursively all files in the specified directory. <br>
* <br>
* All {@link File}s, which match the {@link FileFilter} that comes with the {@link
* EntryFromFileCreatorManager}, are taken into the resulting tree. <br>
* <br>
* The result will be a tree structure of nodes of the type {@link CheckableTreeNode}. <br>
* <br>
* The user objects that are attached to the nodes is the {@link FileNodeWrapper}, which wrapps
* the {@link File}-Object. <br>
* <br>
* For ensuring the capability to cancel the work of this recursive method, the first position in
* the integer array 'state' must be set to 1, to keep the recursion running. When the states
* value changes, the methode will resolve its recursion and return what it has saved so far.
*/
public CheckableTreeNode searchDirectory(
File directory, UnlinkedPDFFileFilter ff, int[] state, ChangeListener changeListener) {
/* Cancellation of the search from outside! */
if (state == null || state.length < 1 || state[0] != 1) {
return null;
}
/* Return null if the directory is not valid. */
if (directory == null || !directory.exists() || !directory.isDirectory()) {
return null;
}
File[] files = directory.listFiles(ff);
CheckableTreeNode root = new CheckableTreeNode(null);
int filesCount = 0;
File[] subDirectories = directory.listFiles(directoryFilter);
for (int i = 0; i < subDirectories.length; i++) {
CheckableTreeNode subRoot = searchDirectory(subDirectories[i], ff, state, changeListener);
if (subRoot != null && subRoot.getChildCount() > 0) {
filesCount += ((FileNodeWrapper) subRoot.getUserObject()).fileCount;
root.add(subRoot);
}
}
root.setUserObject(new FileNodeWrapper(directory, files.length + filesCount));
for (int i = 0; i < files.length; i++) {
root.add(new CheckableTreeNode(new FileNodeWrapper(files[i])));
if (changeListener != null) changeListener.stateChanged(new ChangeEvent(this));
}
return root;
}
@Test
@Ignore
public void testInsertTestData() throws Exception {
entry1 = new BibtexEntry();
JabRefPreferences jabRefPreferences = JabRefPreferences.getInstance();
ExternalFileType fileType = jabRefPreferences.getExternalFileTypeByExt("PDF");
FileListEntry fileListEntry =
new FileListEntry("", ImportDataTest.FILE_IN_DATABASE.getAbsolutePath(), fileType);
FileListTableModel model = new FileListTableModel();
model.addEntry(0, fileListEntry);
entry1.setField("file", model.getStringRepresentation());
database.insertEntry(entry1);
// #################### SETUP END ##################### //
UnlinkedFilesCrawler crawler = new UnlinkedFilesCrawler(database);
CheckableTreeNode treeNode =
crawler.searchDirectory(ImportDataTest.EXISTING_FOLDER, new EntryFromPDFCreator());
Assert.assertNotNull(treeNode);
/** Select all nodes manually. */
@SuppressWarnings("unchecked")
Enumeration<CheckableTreeNode> enumeration = treeNode.breadthFirstEnumeration();
while (enumeration.hasMoreElements()) {
CheckableTreeNode nextElement = enumeration.nextElement();
nextElement.setSelected(true);
}
List<File> resultList = getFileListFromNode(treeNode);
Assert.assertFalse(resultList.isEmpty());
Assert.assertTrue(resultList.contains(ImportDataTest.FILE_NOT_IN_DATABASE));
Assert.assertFalse(resultList.contains(ImportDataTest.FILE_IN_DATABASE));
}