Package de.dlr.proseo.storagemgr.utils

Class FileUtils

java.lang.Object
de.dlr.proseo.storagemgr.utils.FileUtils
public class FileUtils extends Object
A utility class for common file operations. It provides methods to create, manipulate, and delete files and directories, along with supporting functionalities such as path handling and file property retrieval.
Author:
Denys Chaykovskiy

  • Constructor Details

    • FileUtils

      public FileUtils(String path)
      Constructor sets the path
      Parameters:
      path - Path to file

  • Method Details

    • getPath

      public String getPath()
      Gets the path to file
      Returns:
      the path to file

    • setPath

      public void setPath(String path)
      Sets the path to file
      Parameters:
      path - the path to set

    • createFile

      public boolean createFile(String content)
      Creates the file with the content
      Parameters:
      content - Content of the file
      Returns:
      true if file was successfully created

    • synchroCreateFile

      public boolean synchroCreateFile(String content, long waitTime, long fileCheckMaxCycles)
      Creates the file with the content in a synchronized modus. Returns false if the file was not created/rewritten. creation of the file was not successfully. The waiting thread will unlock the file, which was locked in the locked thread in case of exception - Timeout or Interrupted exception. It is made for unlocking auxiliary files (status and accessed) of the storage manager. Please use this synchronized function carefully.
      Parameters:
      content - Content of the file
      waitTime - the wait time between each cycle of checking the file lock status
      fileCheckMaxCycles - file check max cycles
      Returns:
      true if file was successfully created

    • getFileSize

      public long getFileSize()
      Gets the file size
      Returns:
      the file size

    • isEmptyDirectory

      public boolean isEmptyDirectory()
      Checks if the path points to an empty directory
      Returns:
      true if directory is empty

    • getFileContent

      public String getFileContent()
      Gets the file content
      Returns:
      the content of the file

    • createParentDirectories

      public void createParentDirectories() throws IllegalArgumentException
      Create parent directories
      Throws:
      IllegalStateException - if cannot create dir
      IllegalArgumentException

    • createDirectories

      public void createDirectories() throws IllegalArgumentException
      Create path directories
      Throws:
      IllegalStateException - if cannot create dir
      IllegalArgumentException

    • deleteFile

      public String deleteFile() throws IOException
      Delete the file
      Returns:
      path to the deleted file
      Throws:
      IOException - if the file cannot be deleted

    • delete

      public List<String> delete() throws IOException
      Delete the file or the directory with its sub-directories and contained files
      Returns:
      the paths to the deleted files and directories
      Throws:
      IOException - if the file or directory cannot be deleted

    • deleteEmptyDirectoriesToTop

      public void deleteEmptyDirectoriesToTop(String directoryToDelete)
      Deletes empty directories recursively in the direction of root
      Parameters:
      directoryToDelete - the path to the directory