Class DirectorySizeCalculator

  • All Implemented Interfaces:
    java.nio.file.FileVisitor<java.nio.file.Path>

    public class DirectorySizeCalculator
    extends java.nio.file.SimpleFileVisitor<java.nio.file.Path>
    Walks directory recursively, summing up total contents of files within.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.io.File path  
      protected long size  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      long getAllocatedSize()  
      boolean isAcceptable​(java.nio.file.Path file)  
      java.nio.file.FileVisitResult visitFile​(java.nio.file.Path file, java.nio.file.attribute.BasicFileAttributes attrs)  
      java.nio.file.FileVisitResult visitFileFailed​(java.nio.file.Path file, java.io.IOException exc)  
      • Methods inherited from class java.nio.file.SimpleFileVisitor

        postVisitDirectory, preVisitDirectory
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • size

        protected volatile long size
      • path

        protected final java.io.File path
    • Constructor Detail

      • DirectorySizeCalculator

        public DirectorySizeCalculator​(java.io.File path)
    • Method Detail

      • isAcceptable

        public boolean isAcceptable​(java.nio.file.Path file)
      • visitFile

        public java.nio.file.FileVisitResult visitFile​(java.nio.file.Path file,
                                                       java.nio.file.attribute.BasicFileAttributes attrs)
                                                throws java.io.IOException
        Specified by:
        visitFile in interface java.nio.file.FileVisitor<java.nio.file.Path>
        Overrides:
        visitFile in class java.nio.file.SimpleFileVisitor<java.nio.file.Path>
        Throws:
        java.io.IOException
      • visitFileFailed

        public java.nio.file.FileVisitResult visitFileFailed​(java.nio.file.Path file,
                                                             java.io.IOException exc)
                                                      throws java.io.IOException
        Specified by:
        visitFileFailed in interface java.nio.file.FileVisitor<java.nio.file.Path>
        Overrides:
        visitFileFailed in class java.nio.file.SimpleFileVisitor<java.nio.file.Path>
        Throws:
        java.io.IOException
      • getAllocatedSize

        public long getAllocatedSize()