/* pictures/
* some/
* folder/
* file.jpg
* some\\folder/
* -> file.jpg
*
* relativeNormalizedPath = pictures/some\\folder/file.jpg
*
* -> createable: pictures/somefolder (filename conflict)/file.jpg
*
* http://msdn.microsoft.com/en-us/library/system.io.path.getinvalidfilenamechars.aspx
*/
public NormalizedPath toCreatable(String filenameSuffix, boolean canExist) throws Exception {
if (canExist) {
return toCreatable(filenameSuffix, 0);
} else {
NormalizedPath creatableNormalizedPath = null;
int attempt = 0;
do {
creatableNormalizedPath = toCreatable(filenameSuffix, attempt);
boolean exists = FileUtil.exists(creatableNormalizedPath.toFile());
// TODO [medium] The exists-check should be in the pathPart-loop, b/c what if fileB is a
// FILE in this path: folderA/fileB/folderC/file1.jpg
if (!exists) {
return creatableNormalizedPath;
}
logger.log(
Level.WARNING, " - File exists, trying new file: " + creatableNormalizedPath.toFile());
} while (attempt++ < 10);
throw new Exception(
"Cannot create creatable path; " + creatableNormalizedPath + " attempts: " + attempt);
}
}
public NormalizedPath withSuffix(String filenameSuffix, boolean canExist) throws Exception {
if (canExist) {
return toCreatable(filenameSuffix, 0);
} else {
NormalizedPath creatableNormalizedPath = null;
int attempt = 0;
do {
String aFilenameSuffix = (attempt > 0) ? filenameSuffix + " " + attempt : filenameSuffix;
creatableNormalizedPath =
new NormalizedPath(
root, addFilenameConflictSuffix(normalizedPath.toString(), aFilenameSuffix));
boolean exists = FileUtil.exists(creatableNormalizedPath.toFile());
if (!exists) {
return creatableNormalizedPath;
}
} while (attempt++ < 200);
throw new Exception(
"Cannot create path with suffix; " + attempt + " attempts: " + creatableNormalizedPath);
}
}