If I have 2 Paths for files, both share the same FileStore, how can I verify with Java 17 whether they are pointing to the same file on disk (are hard-linked)? For Unix-like systems there seems at least to be a way to verify whether a file has other hardlinks (get Hard Link Count in Java), but on Windows/NTFS I
Tag: nio
Why Java Files.walkFileTree throw a NoSuchFileException?
I’m using Files.walkFileTree to delete a directory. When running this code in CentOS, I got an error in my server log. I searched some keywords on the internet and there is no answer yet, maybe something is wrong with my code. So I wonder is it because Files.walkFileTree is not thread safe or something? I think maybe there is another
How to get the inmediate child directory of a file path in Java?
I want to navigate the file system and get the path to the child of a directory (if exists) without the root. For example: Input: Users/Documents/SVG Output: Documents/SVG My solution so far is to hardcode a string manipulation of the path: Is there a more elegant way to do this? Answer Path.relativize() can help You can convert this Path back
How to create a Path to a non existent file
How can I create a Path to a file which is guaranteed not to exist? I thought about using an “impossible” path name, such as: But somebody could create such a file, making my code fail. Update I have written a method which accepts a Path and then tries to read from the underlying file, and now I am writing
How to send both commands and files using Netty
I don’t understand what I’m doing wrong. How to send both commands and files. Below are the server and client pipelines. client pipeline: server pipeline: The fact is that before I send the file, I send a command (FileInfo) that the file described in this FileInfo will be sent soon. Then the file itself is sent (byte Buf), Like FileInfo,
How can I update specific parts of a text file in java?
This program is supposed to take in user input about a players name, assists, games played, scores, etc and print it in a .txt file. When the updateData(); method is called I want to be able to ask the user for the players name and what data they want to update, then i should be able to edit that specific
List all Files from a Directory that match a File Mask (a.k.a Pattern or Glob)
I want to list all files in a directory and subdirectories within that directory that match a file mask. For example “M:SOURCE*.doc” while SOURCE may look like this: Should return File1.doc and File2.doc. Initially, I use a DirectoryStream, because that already makes some checks for the mask/glob syntax as well as being able to use it for filtering as this
Provider not found exception when creating a FileSystem for my zip?
I have created a Zip file on a JimFS FileSystem instance. I would now like to read the Zip using the Java FileSystem API. Here is how I create the FileSystem: However, this throws an error: java.nio.file.ProviderNotFoundException: Provider not found Interestingly, the code works with the default FileSystem. What does this error mean? How should I create my Zip FileSystem?
java.nio.file.NoSuchFileException: why nio not creating file [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 7 years ago. Improve this question I am using java.nio.file package and tried to create file with the following
Package org.jboss.netty.channel.socket.nio does not exist
Which JAR contains org.jboss.netty.channel.socket.nio? I’m not using Maven or Ivy, just Ant. Ant compile gives: In the classpath is: The library is netty-4.0.21.Final.tar.bz2, which was downloaded from the official Netty website. I added each JAR from that download to the project. Yes, I realize it’s not using the CLI javac classpath, but the JAR’s are visible in the project, as