Accessing Temporary Directory in Servlet Container

gistfile1.java

File tmpDir = (File) servletContext.getAttribute(SERVLET_TMP_DIR);
if (tmpDir == null) {
    throw new ServletException("Servlet container does not provide temporary directory");
}

File workDir = new File(tmpDir, "classes");
if (!workDir.mkdirs()) {
    throw new ServletException("Unable to create classes temporary directory");
}

File test = new File(workDir, test);
// write to file test