request.get*
protected void doPost(final HttpServletRequest request,
final HttpServletResponse response) throws ServletException, IOException {
http://localhost:8080/test/test.javaファイルのパスを例として:
request.getRequestURL(); → http://localhost:8080/test/test.java
request.getRequestURI(); → /test/test.java/
request.getScheme(); → http
request.getServerName(); → localhost
request.getServerPort(); → 8080
request.getRequestServletPath(); → /test.java
request.getContextPath(); → /test