Class CanReadFileFilter

java.lang.Object
org.apache.commons.vfs2.filter.CanReadFileFilter
All Implemented Interfaces:
Serializable, FileFilter

public class CanReadFileFilter extends Object implements FileFilter, Serializable
This filter accepts Files that can be read.

Example, showing how to print out a list of the current directory's readable files:

 FileSystemManager fsManager = VFS.getManager();
 FileObject dir = fsManager.toFileObject(new File("."));
 FileObject[] files = dir.findFiles(new FileFilterSelector(CanReadFileFilter.CAN_READ));
 for (int i = 0; i < files.length; i++) {
     System.out.println(files[i]);
 }
 

Example, showing how to print out a list of the current directory's un-readable files:

 FileSystemManager fsManager = VFS.getManager();
 FileObject dir = fsManager.toFileObject(new File("."));
 FileObject[] files = dir.findFiles(new FileFilterSelector(CanReadFileFilter.CANNOT_READ));
 for (int i = 0; i < files.length; i++) {
     System.out.println(files[i]);
 }
 

Example, showing how to print out a list of the current directory's read-only files:

 FileSystemManager fsManager = VFS.getManager();
 FileObject dir = fsManager.toFileObject(new File("."));
 FileObject[] files = dir.findFiles(new FileFilterSelector(CanReadFileFilter.READ_ONLY));
 for (int i = 0; i < files.length; i++) {
     System.out.println(files[i]);
 }
 
Since:
2.4
See Also:
  • Field Details

    • CAN_READ

      public static final FileFilter CAN_READ
      Singleton instance of readable filter.
    • CANNOT_READ

      public static final FileFilter CANNOT_READ
      Singleton instance of not readable filter.
    • READ_ONLY

      public static final FileFilter READ_ONLY
      Singleton instance of read-only filter.
    • serialVersionUID

      private static final long serialVersionUID
      See Also:
  • Constructor Details

    • CanReadFileFilter

      protected CanReadFileFilter()
      Restrictive constructor.
  • Method Details

    • accept

      public boolean accept(FileSelectInfo fileSelectInfo) throws FileSystemException
      Checks to see if the file can be read.
      Specified by:
      accept in interface FileFilter
      Parameters:
      fileSelectInfo - the File to check.
      Returns:
      true if the file can be read, otherwise false.
      Throws:
      FileSystemException - Thrown for file system errors.