public static void copyDir(
@NotNull File fromDir, @NotNull File toDir, @Nullable final FileFilter filter)
throws IOException {
ensureExists(toDir);
if (isAncestor(fromDir, toDir, true)) {
LOG.error(fromDir.getAbsolutePath() + " is ancestor of " + toDir + ". Can't copy to itself.");
return;
}
File[] files = fromDir.listFiles();
if (files == null)
throw new IOException(
CommonBundle.message("exception.directory.is.invalid", fromDir.getPath()));
if (!fromDir.canRead())
throw new IOException(
CommonBundle.message("exception.directory.is.not.readable", fromDir.getPath()));
for (File file : files) {
if (filter != null && !filter.accept(file)) {
continue;
}
if (file.isDirectory()) {
copyDir(file, new File(toDir, file.getName()), filter);
} else {
copy(file, new File(toDir, file.getName()));
}
}
}
/**
* Copies content of {@code fromDir} to {@code toDir}. It's equivalent to "cp -r fromDir/* toDir"
* unix command.
*
* @param fromDir source directory
* @param toDir destination directory
* @throws IOException in case of any IO troubles
*/
public static void copyDirContent(@NotNull File fromDir, @NotNull File toDir) throws IOException {
File[] children = ObjectUtils.notNull(fromDir.listFiles(), ArrayUtil.EMPTY_FILE_ARRAY);
for (File child : children) {
File target = new File(toDir, child.getName());
if (child.isFile()) {
copy(child, target);
} else {
copyDir(child, target, true);
}
}
}
@NotNull
public static List<File> findFilesByMask(@NotNull Pattern pattern, @NotNull File dir) {
final ArrayList<File> found = new ArrayList<File>();
final File[] files = dir.listFiles();
if (files != null) {
for (File file : files) {
if (file.isDirectory()) {
found.addAll(findFilesByMask(pattern, file));
} else if (pattern.matcher(file.getName()).matches()) {
found.add(file);
}
}
}
return found;
}
public static boolean delete(@NotNull File file) {
FileAttributes attributes = FileSystemUtil.getAttributes(file);
if (attributes == null) return true;
if (attributes.isDirectory() && !attributes.isSymLink()) {
File[] files = file.listFiles();
if (files != null) {
for (File child : files) {
if (!delete(child)) return false;
}
}
}
return deleteFile(file);
}
public static boolean visitFiles(@NotNull File root, @NotNull Processor<File> processor) {
if (!processor.process(root)) {
return false;
}
File[] children = root.listFiles();
if (children != null) {
for (File child : children) {
if (!visitFiles(child, processor)) {
return false;
}
}
}
return true;
}
public static boolean moveDirWithContent(@NotNull File fromDir, @NotNull File toDir) {
if (!toDir.exists()) return fromDir.renameTo(toDir);
File[] files = fromDir.listFiles();
if (files == null) return false;
boolean success = true;
for (File fromFile : files) {
File toFile = new File(toDir, fromFile.getName());
success = success && fromFile.renameTo(toFile);
}
fromDir.delete();
return success;
}
public static boolean processFilesRecursively(
@NotNull File root,
@NotNull Processor<File> processor,
@Nullable final Processor<File> directoryFilter) {
final LinkedList<File> queue = new LinkedList<File>();
queue.add(root);
while (!queue.isEmpty()) {
final File file = queue.removeFirst();
if (!processor.process(file)) return false;
if (file.isDirectory() && (directoryFilter == null || directoryFilter.process(file))) {
final File[] children = file.listFiles();
if (children != null) {
ContainerUtil.addAll(queue, children);
}
}
}
return true;
}
private static void collectMatchedFiles(
@NotNull File absoluteRoot,
@NotNull File root,
@NotNull Pattern pattern,
@NotNull List<File> files) {
final File[] dirs = root.listFiles();
if (dirs == null) return;
for (File dir : dirs) {
if (dir.isFile()) {
final String relativePath = getRelativePath(absoluteRoot, dir);
if (relativePath != null) {
final String path = toSystemIndependentName(relativePath);
if (pattern.matcher(path).matches()) {
files.add(dir);
}
}
} else {
collectMatchedFiles(absoluteRoot, dir, pattern, files);
}
}
}
@Nullable
private static File findOldConfigDir(
@NotNull File configDir, @Nullable String customPathSelector) {
final File selectorDir = CONFIG_RELATED_PATH.isEmpty() ? configDir : configDir.getParentFile();
final File parent = selectorDir.getParentFile();
if (parent == null || !parent.exists()) {
return null;
}
File maxFile = null;
long lastModified = 0;
final String selector =
PathManager.getPathsSelector() != null
? PathManager.getPathsSelector()
: selectorDir.getName();
final String prefix = getPrefixFromSelector(selector);
final String customPrefix =
customPathSelector != null ? getPrefixFromSelector(customPathSelector) : null;
for (File file :
parent.listFiles(
new FilenameFilter() {
@Override
public boolean accept(@NotNull File file, @NotNull String name) {
return StringUtil.startsWithIgnoreCase(name, prefix)
|| customPrefix != null && StringUtil.startsWithIgnoreCase(name, customPrefix);
}
})) {
File options = new File(file, CONFIG_RELATED_PATH + OPTIONS_XML);
if (!options.exists()) {
continue;
}
long modified = options.lastModified();
if (modified > lastModified) {
lastModified = modified;
maxFile = file;
}
}
return maxFile != null ? new File(maxFile, CONFIG_RELATED_PATH) : null;
}
private static void copy(
@NotNull File src,
@NotNull File dest,
ConfigImportSettings settings,
File oldInstallationHome)
throws IOException {
src = src.getCanonicalFile();
dest = dest.getCanonicalFile();
if (!src.isDirectory()) {
throw new IOException(
ApplicationBundle.message(
"config.import.invalid.directory.error", src.getAbsolutePath()));
}
if (!dest.isDirectory()) {
throw new IOException(
ApplicationBundle.message(
"config.import.invalid.directory.error", dest.getAbsolutePath()));
}
if (FileUtil.filesEqual(src, dest)) {
return;
}
FileUtil.ensureExists(dest);
File[] childFiles =
src.listFiles(
new FilenameFilter() {
@Override
public boolean accept(@NotNull File dir, @NotNull String name) {
// Don't copy plugins just imported. They're most probably incompatible with newer
// idea version.
return !StringUtil.startsWithChar(name, '.') && !name.equals(PLUGINS_PATH);
}
});
if (childFiles == null || childFiles.length == 0) {
return;
}
for (File from : childFiles) {
File to = new File(dest, from.getName());
if (from.isDirectory()) {
FileUtil.copyDir(from, to, false);
} else {
FileUtil.copy(from, to);
}
}
File plugins = new File(src, PLUGINS_PATH);
if (!loadOldPlugins(plugins, dest) && SystemInfo.isMac) {
File oldPluginsDir =
getOldPath(
oldInstallationHome,
settings,
PathManager.PROPERTY_PLUGINS_PATH,
new Function<String, String>() {
@Override
public String fun(String pathSelector) {
return PathManager.getDefaultPluginPathFor(pathSelector);
}
});
if (oldPluginsDir == null) {
// e.g. installation home referred to config home. Try with default selector, same as config
// name
oldPluginsDir = new File(PathManager.getDefaultPluginPathFor(src.getName()));
}
loadOldPlugins(oldPluginsDir, dest);
}
}
