@ Nonnegative public long getSize ( ) { if ( m_nSize >= 0 ) return m_nSize ; if ( m_aCachedContent != null ) return m_aCachedContent . length ; if ( m_aDFOS . isInMemory ( ) ) return m_aDFOS . getDataLength ( ) ; return m_aDFOS . getFile ( ) . length ( ) ; }
Returns the size of the file .