@RequestMapping("/create/directory")
public String createDirectory(
@RequestParam(value = "parentPath") String parentPath,
@RequestParam(value = "name") String name,
RedirectAttributes redirectAttributes)
throws IOException {
// 删除最后的/
name = FilenameUtils.normalizeNoEndSeparator(name);
if (isValidFileName(name)) {
String rootPath = sc.getRealPath(ROOT_DIR);
parentPath = URLDecoder.decode(parentPath, Constants.ENCODING);
File parent = new File(rootPath + File.separator + parentPath);
File currentDirectory = new File(parent, name);
boolean result = currentDirectory.mkdirs();
if (result == false) {
redirectAttributes.addFlashAttribute(Constants.ERROR, "名称为[" + name + "]的文件/目录已经存在");
} else {
redirectAttributes.addFlashAttribute(Constants.MESSAGE, "创建成功！");
}
} else {
redirectAttributes.addFlashAttribute(Constants.ERROR, "名称为[" + name + "]不是合法的文件名，请重新命名");
}
redirectAttributes.addAttribute("path", parentPath);
return redirectToUrl(viewName("list"));
}
/**
* Checks and normalizes the given path
*
* @param path The path to clean up
* @return a normalized version of the path, with single separators between path components and
* dot components resolved
*/
public static String cleanPath(String path) throws InvalidPathException {
validatePath(path);
return FilenameUtils.separatorsToUnix(FilenameUtils.normalizeNoEndSeparator(path));
}
/**
* Join two path without appending '/'.
*
* @param path1 path1
* @param path2 path2
* @return joined path
*/
public static String join(String path1, String path2) {
path1 = trimSeparator(path1);
path2 = trimSeparator(path2);
return FilenameUtils.normalizeNoEndSeparator(path1 + "/" + path2, true);
}
/**
* Get the relative path from one file to another, specifying the directory separator. If one of
* the provided resources does not exist, it is assumed to be a file unless it ends with '/' or
* '\'.
*
* @param target targetPath is calculated to this file
* @param base basePath is calculated from this file
* @param separator directory separator. The platform default is not assumed so that we can test
* Unix behaviour when running on Windows (for example)
* @return
*/
public static String relativize(
final String targetPath, final String basePath, final String fileSeparator)
throws PathRelativizationException {
// Normalize the paths
String normalizedTargetPath = FilenameUtils.normalizeNoEndSeparator(targetPath);
String normalizedBasePath = FilenameUtils.normalizeNoEndSeparator(basePath);
// Undo the changes to the separators made by normalization
if (fileSeparator.equals("/")) {
normalizedTargetPath = FilenameUtils.separatorsToUnix(normalizedTargetPath);
normalizedBasePath = FilenameUtils.separatorsToUnix(normalizedBasePath);
} else if (fileSeparator.equals("\\")) {
normalizedTargetPath = FilenameUtils.separatorsToWindows(normalizedTargetPath);
normalizedBasePath = FilenameUtils.separatorsToWindows(normalizedBasePath);
} else {
throw new IllegalArgumentException("Unrecognised dir separator '" + fileSeparator + "'");
}
String[] base = normalizedBasePath.split(Pattern.quote(fileSeparator));
String[] target = normalizedTargetPath.split(Pattern.quote(fileSeparator));
// First get all the common elements. Store them as a string,
// and also count how many of them there are.
StringBuffer common = new StringBuffer();
int commonIndex = 0;
while (commonIndex < target.length
&& commonIndex < base.length
&& target[commonIndex].equals(base[commonIndex])) {
common.append(target[commonIndex] + fileSeparator);
commonIndex++;
}
if (commonIndex == 0) {
// No single common path element. This most
// likely indicates differing drive letters, like C: and D:.
// These paths cannot be relativized.
throw new PathRelativizationException(
"No common path element found for '"
+ normalizedTargetPath
+ "' and '"
+ normalizedBasePath
+ "'");
}
// The number of directories we have to backtrack depends on whether the base is a file or a dir
// For example, the relative path from
//
// /foo/bar/baz/gg/ff to /foo/bar/baz
//
// ".." if ff is a file
// "../.." if ff is a directory
//
// The following is a heuristic to figure out if the base refers to a file or dir. It's not
// perfect, because
// the resource referred to by this path may not actually exist, but it's the best I can do
boolean baseIsFile = true;
File baseResource = new File(normalizedBasePath);
if (baseResource.exists()) {
baseIsFile = baseResource.isFile();
} else if (basePath.endsWith(fileSeparator)) {
baseIsFile = false;
}
StringBuffer relative = new StringBuffer();
if (base.length != commonIndex) {
int numDirsUp = baseIsFile ? base.length - commonIndex - 1 : base.length - commonIndex;
for (int i = 0; i < numDirsUp; i++) {
relative.append(".." + fileSeparator);
}
}
relative.append(normalizedTargetPath.substring(common.length()));
return relative.toString();
}
