[jira] [Created] (SSHD-1030) Provide support for NoFileSystemFactoryProvider

[David Ostrovsky (Jira)]

David Ostrovsky created SSHD-1030:
-------------------------------------

             Summary: Provide support for NoFileSystemFactoryProvider
                 Key: SSHD-1030
                 URL: https://issues.apache.org/jira/browse/SSHD-1030
             Project: MINA SSHD
          Issue Type: New Feature
    Affects Versions: 2.5.1
            Reporter: David Ostrovsky


Prior to 2.5.0 release Gerrit was using this was to initialize 
\{{FileSystemFactoryProvider}}:

 

{code:java}
private void initFileSystemFactory() {
    setFileSystemFactory(
        session ->
            new FileSystem() {
              @Override
              public void close() throws IOException {}

              @Override
              public Iterable<FileStore> getFileStores() {
                return null;
              }

              @Override
              public Path getPath(String arg0, String... arg1) {
                return null;
              }

              @Override
              public PathMatcher getPathMatcher(String arg0) {
                return null;
              }

              @Override
              public Iterable<Path> getRootDirectories() {
                return null;
              }

              @Override
              public String getSeparator() {
                return null;
              }

              @Override
              public UserPrincipalLookupService getUserPrincipalLookupService() 
{
                return null;
              }

              @Override
              public boolean isOpen() {
                return false;
              }

              @Override
              public boolean isReadOnly() {
                return false;
              }

              @Override
              public WatchService newWatchService() throws IOException {
                return null;
              }

              @Override
              public FileSystemProvider provider() {
                return null;
              }

              @Override
              public Set<String> supportedFileAttributeViews() {
                return null;
              }
            });
  }
{code}

After the migration to release 2.5.1 it doesn't compile any more, because the 
{{FileSystemFactory}} factory is not FunctionalInterface any more.

We could something like this:

{code:java}
  private void initFileSystemFactory() {
      setFileSystemFactory(NativeFileSystemFactory.INSTANCE);
  }
{code}

But given that we are not using sftp, it could be even safer to just say:

{code:java}
  private void noFileSystemFactory() {
      setFileSystemFactory(NoFileSystemFactory.INSTANCE);
  }
{code}



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