/**
* 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);
}
}
}
}