@Override
public void renameFile(
final Object requestor, @NotNull final VirtualFile file, @NotNull final String newName)
throws IOException {
getDelegate(file).renameFile(requestor, file, newName);
processEvent(
new VFilePropertyChangeEvent(
requestor, file, VirtualFile.PROP_NAME, file.getName(), newName, false));
}
/**
* Makes a copy of the <code>file</code> in the <code>toDir</code> folder and returns it. Handles
* both files and directories.
*
* @param requestor any object to control who called this method. Note that it is considered to be
* an external change if <code>requestor</code> is <code>null</code>. See {@link
* VirtualFileEvent#getRequestor}
* @param file file or directory to make a copy of
* @param toDir directory to make a copy in
* @return a copy of the file
* @throws IOException if file failed to be copied
*/
public static VirtualFile copy(
Object requestor, @NotNull VirtualFile file, @NotNull VirtualFile toDir) throws IOException {
if (file.isDirectory()) {
VirtualFile newDir = toDir.createChildDirectory(requestor, file.getName());
copyDirectory(requestor, file, newDir, null);
return newDir;
} else {
return copyFile(requestor, file, toDir);
}
}
@SuppressWarnings({"HardCodedStringLiteral"})
@Nullable
public static VirtualFile findRelativeFile(@NotNull String uri, @Nullable VirtualFile base) {
if (base != null) {
if (!base.isValid()) {
LOG.error("Invalid file name: " + base.getName() + ", url: " + uri);
}
}
uri = uri.replace('\\', '/');
if (uri.startsWith("file:///")) {
uri = uri.substring("file:///".length());
if (!SystemInfo.isWindows) uri = "/" + uri;
} else if (uri.startsWith("file:/")) {
uri = uri.substring("file:/".length());
if (!SystemInfo.isWindows) uri = "/" + uri;
} else if (uri.startsWith("file:")) {
uri = uri.substring("file:".length());
}
VirtualFile file = null;
if (uri.startsWith("jar:file:/")) {
uri = uri.substring("jar:file:/".length());
if (!SystemInfo.isWindows) uri = "/" + uri;
file = VirtualFileManager.getInstance().findFileByUrl(JarFileSystem.PROTOCOL_PREFIX + uri);
} else {
if (!SystemInfo.isWindows && StringUtil.startsWithChar(uri, '/')) {
file = LocalFileSystem.getInstance().findFileByPath(uri);
} else if (SystemInfo.isWindows
&& uri.length() >= 2
&& Character.isLetter(uri.charAt(0))
&& uri.charAt(1) == ':') {
file = LocalFileSystem.getInstance().findFileByPath(uri);
}
}
if (file == null && uri.contains(JarFileSystem.JAR_SEPARATOR)) {
file = JarFileSystem.getInstance().findFileByPath(uri);
if (file == null && base == null) {
file = VirtualFileManager.getInstance().findFileByUrl(uri);
}
}
if (file == null) {
if (base == null) return LocalFileSystem.getInstance().findFileByPath(uri);
if (!base.isDirectory()) base = base.getParent();
if (base == null) return LocalFileSystem.getInstance().findFileByPath(uri);
file = VirtualFileManager.getInstance().findFileByUrl(base.getUrl() + "/" + uri);
if (file == null) return null;
}
return file;
}
/**
* Copies all files matching the <code>filter</code> from <code>fromDir</code> to <code>toDir
* </code>.
*
* @param requestor any object to control who called this method. Note that it is considered to be
* an external change if <code>requestor</code> is <code>null</code>. See {@link
* VirtualFileEvent#getRequestor}
* @param fromDir the directory to copy from
* @param toDir the directory to copy to
* @param filter {@link VirtualFileFilter}
* @throws IOException if files failed to be copied
*/
public static void copyDirectory(
Object requestor,
@NotNull VirtualFile fromDir,
@NotNull VirtualFile toDir,
@Nullable VirtualFileFilter filter)
throws IOException {
VirtualFile[] children = fromDir.getChildren();
for (VirtualFile child : children) {
if (filter == null || filter.accept(child)) {
if (!child.isDirectory()) {
copyFile(requestor, child, toDir);
} else {
VirtualFile newChild = toDir.findChild(child.getName());
if (newChild == null) {
newChild = toDir.createChildDirectory(requestor, child.getName());
}
copyDirectory(requestor, child, newChild, filter);
}
}
}
}
/**
* Copies all files matching the <code>filter</code> from <code>fromDir</code> to <code>toDir
* </code>. Symlinks end special files are ignored.
*
* @param requestor any object to control who called this method. Note that it is considered to be
* an external change if <code>requestor</code> is <code>null</code>. See {@link
* VirtualFileEvent#getRequestor}
* @param fromDir the directory to copy from
* @param toDir the directory to copy to
* @param filter {@link VirtualFileFilter}
* @throws IOException if files failed to be copied
*/
public static void copyDirectory(
Object requestor,
@NotNull VirtualFile fromDir,
@NotNull VirtualFile toDir,
@Nullable VirtualFileFilter filter)
throws IOException {
@SuppressWarnings("UnsafeVfsRecursion")
VirtualFile[] children = fromDir.getChildren();
for (VirtualFile child : children) {
if (!child.isSymLink()
&& !child.isSpecialFile()
&& (filter == null || filter.accept(child))) {
if (!child.isDirectory()) {
copyFile(requestor, child, toDir);
} else {
VirtualFile newChild = toDir.findChild(child.getName());
if (newChild == null) {
newChild = toDir.createChildDirectory(requestor, child.getName());
}
copyDirectory(requestor, child, newChild, filter);
}
}
}
}
private static boolean writeAttributesToRecord(
final int id,
final int parentId,
@NotNull VirtualFile file,
@NotNull NewVirtualFileSystem fs,
@NotNull FileAttributes attributes) {
String name = file.getName();
if (!name.isEmpty()) {
if (namesEqual(fs, name, FSRecords.getName(id)))
return false; // TODO: Handle root attributes change.
} else {
if (areChildrenLoaded(id)) return false; // TODO: hack
}
FSRecords.writeAttributesToRecord(id, parentId, attributes, name);
return true;
}
@Override
@Nullable
public VirtualFileSystemEntry findRoot(
@NotNull String basePath, @NotNull NewVirtualFileSystem fs) {
if (basePath.isEmpty()) {
LOG.error("Invalid root, fs=" + fs);
return null;
}
String rootUrl = normalizeRootUrl(basePath, fs);
myRootsLock.readLock().lock();
try {
VirtualFileSystemEntry root = myRoots.get(rootUrl);
if (root != null) return root;
} finally {
myRootsLock.readLock().unlock();
}
final VirtualFileSystemEntry newRoot;
int rootId = FSRecords.findRootRecord(rootUrl);
VfsData.Segment segment = VfsData.getSegment(rootId, true);
VfsData.DirectoryData directoryData = new VfsData.DirectoryData();
if (fs instanceof ArchiveFileSystem) {
String parentPath =
basePath.substring(0, basePath.indexOf(ArchiveFileSystem.ARCHIVE_SEPARATOR));
VirtualFile parentFile = LocalFileSystem.getInstance().findFileByPath(parentPath);
if (parentFile == null) return null;
FileType type = FileTypeRegistry.getInstance().getFileTypeByFileName(parentFile.getName());
if (!(type instanceof ArchiveFileType)) return null;
newRoot = new ArchiveRoot(fs, rootId, segment, directoryData, parentFile);
} else {
newRoot = new FsRoot(fs, rootId, segment, directoryData, basePath);
}
FileAttributes attributes =
fs.getAttributes(
new StubVirtualFile() {
@NotNull
@Override
public String getPath() {
return newRoot.getPath();
}
@Nullable
@Override
public VirtualFile getParent() {
return null;
}
});
if (attributes == null || !attributes.isDirectory()) {
return null;
}
boolean mark = false;
myRootsLock.writeLock().lock();
try {
VirtualFileSystemEntry root = myRoots.get(rootUrl);
if (root != null) return root;
VfsData.initFile(rootId, segment, -1, directoryData);
mark = writeAttributesToRecord(rootId, 0, newRoot, fs, attributes);
myRoots.put(rootUrl, newRoot);
myRootsById.put(rootId, newRoot);
} finally {
myRootsLock.writeLock().unlock();
}
if (!mark && attributes.lastModified != FSRecords.getTimestamp(rootId)) {
newRoot.markDirtyRecursively();
}
LOG.assertTrue(
rootId == newRoot.getId(),
"root=" + newRoot + " expected=" + rootId + " actual=" + newRoot.getId());
return newRoot;
}
@NotNull
@Override
public CharSequence getNameSequence() {
return myParentLocalFile.getName();
}
@NotNull
@Override
public String getName() {
return myParentLocalFile.getName();
}
