@Override protected void tearDown() throws Exception {
  File file;
  file=new File(m_SourceFilename);
  if (file.exists()) {
    file.delete();
  }
  file=new File(m_ExportFilename);
  if (file.exists()) {
    file.delete();
  }
  m_SourceFilename=null;
  m_ExportFilename=null;
  super.tearDown();
}

@ Override protected void tearDown ( ) throws Exception { File file ; file = new File ( m_SourceFilename ) ; if ( file . exists ( ) ) { file . delete ( ) ; } file = new File ( m_ExportFilename ) ; if ( file . exists ( ) ) { file . delete ( ) ; } m_SourceFilename = null ; m_ExportFilename = null ; super . tearDown ( ) ; }
called by junit after each test method .
