Package org.apache.poi.poifs.nio

Class FileBackedDataSource

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()
      Close the underlying stream
      void copyTo​(java.io.OutputStream stream)
      Copies the contents to the specified OutputStream
      java.nio.channels.FileChannel getChannel()  
      boolean isWriteable()  
      java.nio.ByteBuffer read​(int length, long position)  
      long size()  
      void write​(java.nio.ByteBuffer src, long position)  

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • FileBackedDataSource

        public FileBackedDataSource​(java.io.File file)
                     throws java.io.FileNotFoundException
        Throws:
        java.io.FileNotFoundException

      • FileBackedDataSource

        public FileBackedDataSource​(java.io.File file,
                            boolean readOnly)
                     throws java.io.FileNotFoundException
        Throws:
        java.io.FileNotFoundException

      • FileBackedDataSource

        public FileBackedDataSource​(java.io.RandomAccessFile srcFile,
                            boolean readOnly)

      • FileBackedDataSource

        public FileBackedDataSource​(java.nio.channels.FileChannel channel,
                            boolean readOnly)

    • Method Detail

      • isWriteable

        public boolean isWriteable()

      • getChannel

        public java.nio.channels.FileChannel getChannel()

      • read

        public java.nio.ByteBuffer read​(int length,
                                long position)
                         throws java.io.IOException
        Specified by:
        read in class DataSource
        Throws:
        java.io.IOException

      • write

        public void write​(java.nio.ByteBuffer src,
                  long position)
           throws java.io.IOException
        Specified by:
        write in class DataSource
        Throws:
        java.io.IOException

      • copyTo

        public void copyTo​(java.io.OutputStream stream)
            throws java.io.IOException
        Description copied from class: DataSource
        Copies the contents to the specified OutputStream
        Specified by:
        copyTo in class DataSource
        Throws:
        java.io.IOException

      • size

        public long size()
          throws java.io.IOException
        Specified by:
        size in class DataSource
        Throws:
        java.io.IOException

      • close

        public void close()
           throws java.io.IOException
        Description copied from class: DataSource
        Close the underlying stream
        Specified by:
        close in class DataSource
        Throws:
        java.io.IOException