code: public String getDestDirectory()
  	{
  		String strTargetDirectory = this.getInitParameter(DESTINATION);		// Passed with WAR file
  		if ((strTargetDirectory == null) || (strTargetDirectory.length() == 0))
  			strTargetDirectory = System.getProperty("java.io.tmpdir");		// Temporary directory
  		if ((strTargetDirectory == null) || (strTargetDirectory.length() == 0))
  			strTargetDirectory = ".";										// Last choice - this directory
  		return strTargetDirectory;
  	}
docs: /*
  Get the temporary directory name.