org.apache.commons.io.filefilter

Class CanReadFileFilter

  • All Implemented Interfaces:
    FileFilter, FilenameFilter, Serializable, IOFileFilter


    public class CanReadFileFilterextends AbstractFileFilterimplements Serializable
    This filter accepts Files that can be read.

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

     File dir = new File("."); String[] files = dir.list( 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:

     File dir = new File("."); String[] files = dir.list( 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:

     File dir = new File("."); String[] files = dir.list( CanReadFileFilter.READ_ONLY ); for ( int i = 0; i < files.length; i++ ) {     System.out.println(files[i]); } 

    Since:
    1.3
    Version:
    $Id: CanReadFileFilter.java 1642757 2014-12-01 21:09:30Z sebb $
    See Also:
    Serialized Form
    • Field Detail

      • CAN_READ

        public static final IOFileFilter CAN_READ
        Singleton instance of readable filter
      • CANNOT_READ

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

        public static final IOFileFilter READ_ONLY
        Singleton instance of read-only filter
    • Constructor Detail

      • CanReadFileFilter

        protected CanReadFileFilter()
        Restrictive consructor.
    • Method Detail

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