| commit | author | age | ||
| f4a79c | 1 | /* |
| U | 2 | * To change this license header, choose License Headers in Project Properties. |
| 3 | * To change this template file, choose Tools | Templates | |
| 4 | * and open the template in the editor. | |
| 5 | */ | |
| 6 | package de.uhilger.um.web; | |
| 7 | ||
| 8 | import java.io.IOException; | |
| 9 | import javax.servlet.Filter; | |
| 10 | import javax.servlet.FilterChain; | |
| 11 | import javax.servlet.FilterConfig; | |
| 12 | import javax.servlet.ServletException; | |
| 13 | import javax.servlet.ServletRequest; | |
| 14 | import javax.servlet.ServletResponse; | |
| 15 | import javax.servlet.http.HttpServletRequest; | |
| 16 | ||
| 17 | /** | |
| 18 | * | |
| 19 | * @author hilgeru | |
| 20 | */ | |
| 21 | public class NiceFilter implements Filter { | |
| a89f86 | 22 | |
| U | 23 | private static final String ZIEL = "../api?c=de.uhilger.um.api.UserMgr&m="; |
| f4a79c | 24 | |
| U | 25 | @Override |
| 26 | public void init(FilterConfig filterConfig) throws ServletException { | |
| 27 | // ... | |
| 28 | } | |
| 29 | ||
| a89f86 | 30 | /* |
| U | 31 | hier wird ein URL wie z.B. |
| 725d10 | 32 | http]://example.com/um/svc/testmethode |
| a89f86 | 33 | umgesetzt auf |
| 725d10 | 34 | http]://example,com/um/api?c=de.uhilger.um.api.UserMgr&m=testmethode |
| a89f86 | 35 | |
| U | 36 | der Teil 'svc' ist im Filter Mapping des Deployment Descriptor |
| 725d10 | 37 | deklariert. Der Teil 'api' zeigt mit Hilfe eines Servlet |
| U | 38 | Mappings im Deployment Descriptor auf das Transit-Servlet. |
| a89f86 | 39 | |
| U | 40 | der statische Teil des Ziel-URL ist hier hart kodiert, das kann man |
| 725d10 | 41 | freilich je nach Bedarf noch dynamisch gestalten |
| a89f86 | 42 | */ |
| 725d10 | 43 | |
| f4a79c | 44 | @Override |
| U | 45 | public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { |
| 46 | if(request instanceof HttpServletRequest) { | |
| 47 | HttpServletRequest hr = (HttpServletRequest) request; | |
| 48 | String servletPath = hr.getServletPath(); | |
| 49 | String[] path = servletPath.split("/"); | |
| a89f86 | 50 | request.getRequestDispatcher(ZIEL + path[2]).forward(request, response); |
| f4a79c | 51 | } |
| U | 52 | } |
| 53 | ||
| 54 | @Override | |
| 55 | public void destroy() { | |
| 56 | // ... | |
| 57 | } | |
| 58 | ||
| 59 | } | |
