/**
* 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);
}
}
/**
* 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);
}
}
}
}
public static VirtualFile createTestProjectStructure(
String tempName,
Module module,
String rootPath,
Collection<File> filesToDelete,
boolean addProjectRoots)
throws IOException {
File dir = FileUtil.createTempDirectory(tempName, null, false);
filesToDelete.add(dir);
VirtualFile vDir =
LocalFileSystem.getInstance()
.refreshAndFindFileByPath(dir.getCanonicalPath().replace(File.separatorChar, '/'));
assert vDir != null && vDir.isDirectory() : dir;
PlatformTestCase.synchronizeTempDirVfs(vDir);
EdtTestUtil.runInEdtAndWait(
() -> {
AccessToken token = WriteAction.start();
try {
if (rootPath != null) {
VirtualFile vDir1 =
LocalFileSystem.getInstance()
.findFileByPath(rootPath.replace(File.separatorChar, '/'));
if (vDir1 == null) {
throw new Exception(rootPath + " not found");
}
VfsUtil.copyDirectory(null, vDir1, vDir, null);
}
if (addProjectRoots) {
addSourceContentToRoots(module, vDir);
}
} finally {
token.finish();
}
});
return vDir;
}
/**
* 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);
}
}
}
}