@CheckForNull
private File parentDir(Collection<File> dirs, File cursor) {
for (File dir : dirs) {
if (PathUtils.canonicalPath(dir).equals(PathUtils.canonicalPath(cursor))) {
return dir;
}
}
return null;
}
@CheckForNull
public String relativePath(File dir, File file) {
List<String> stack = Lists.newArrayList();
String dirPath = PathUtils.canonicalPath(dir);
File cursor = file;
while (cursor != null) {
if (dirPath.equals(PathUtils.canonicalPath(cursor))) {
return Joiner.on("/").join(stack);
}
stack.add(0, cursor.getName());
cursor = cursor.getParentFile();
}
return null;
}
private DefaultInputFile(File file, String path, Map<String, String> attributes) {
this.absolutePath = PathUtils.canonicalPath(file);
this.path = FilenameUtils.separatorsToUnix(path);
this.attributes = attributes;
}