| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | package com.mandi.common; |
| A | 2 | |
| 3 | import java.io.IOException; | |
| 4 | import java.util.UUID; | |
| 5 | ||
| 6 | import javax.faces.context.FacesContext; | |
| 7 | import javax.servlet.http.HttpServletRequest; | |
| 8 | import javax.servlet.http.HttpServletResponse; | |
| 9 | import javax.servlet.http.HttpSession; | |
| 10 | /** | |
| 11 | * 封装了部分JSF的接口 | |
| 12 | * @author Administrator | |
| 13 | * | |
| 14 | */ | |
| 15 | public class JSFMethod { | |
| 16 | public static HttpSession getSession() | |
| 17 | { | |
| 18 | FacesContext context=FacesContext.getCurrentInstance(); | |
| 19 | if(context==null) | |
| 20 | return null; | |
| 21 | return (HttpSession)context.getExternalContext().getSession(true); | |
| 22 | } | |
| 23 | public static HttpServletRequest getRequest() | |
| 24 | { | |
| 25 | FacesContext context=FacesContext.getCurrentInstance(); | |
| 26 | if(context==null) | |
| 27 | return null; | |
| 28 | return (HttpServletRequest)context.getExternalContext().getRequest(); | |
| 29 | } | |
| 30 | public static HttpServletResponse getResponse() | |
| 31 | { | |
| 32 | FacesContext context=FacesContext.getCurrentInstance(); | |
| 33 | if(context==null) | |
| 34 | return null; | |
| 35 | return (HttpServletResponse)context.getExternalContext().getResponse(); | |
| 36 | } | |
| 37 | public static void facesexit() | |
| 38 | { | |
| 39 | FacesContext context=FacesContext.getCurrentInstance(); | |
| 40 | if(context!=null) | |
| 41 | { | |
| 42 | context.responseComplete(); | |
| 43 | } | |
| 44 | } | |
| 45 | public static void faceswrite(String data){ | |
| 46 | FacesContext context=FacesContext.getCurrentInstance(); | |
| 47 | if(context!=null) | |
| 48 | { | |
| 49 | HttpServletResponse response=(HttpServletResponse)context.getExternalContext().getResponse(); | |
| 50 | try { | |
| 51 | response.getWriter().print(data); | |
| 52 | } catch (IOException e) { | |
| 53 | // TODO Auto-generated catch block | |
| 54 | e.printStackTrace(); | |
| 55 | }finally{ | |
| 56 | context.responseComplete(); | |
| 57 | } | |
| 58 | ||
| 59 | } | |
| 60 | } | |
| 61 | public static void facesredirect(String source) | |
| 62 | { | |
| 63 | FacesContext context=FacesContext.getCurrentInstance(); | |
| 64 | if(context!=null) | |
| 65 | { | |
| 66 | try { | |
| 67 | context.getExternalContext().redirect(source); | |
| 68 | } catch (IOException e) { | |
| 69 | // TODO Auto-generated catch block | |
| 70 | e.printStackTrace(); | |
| 71 | } | |
| 72 | context.responseComplete(); | |
| 73 | } | |
| 74 | } | |
| 75 | public static void facesdispatch(String source){ | |
| 76 | FacesContext context=FacesContext.getCurrentInstance(); | |
| 77 | if(context!=null) | |
| 78 | { | |
| 79 | try { | |
| 80 | context.getExternalContext().dispatch(source); | |
| 81 | } catch (IOException e) { | |
| 82 | // TODO Auto-generated catch block | |
| 83 | e.printStackTrace(); | |
| 84 | } | |
| 85 | context.responseComplete(); | |
| 86 | } | |
| 87 | } | |
| 88 | /** | |
| 89 | * The token in client is:ctoken | |
| 90 | * @return | |
| 91 | */ | |
| 92 | public static boolean createToken() | |
| 93 | { | |
| 94 | String ss=UUID.randomUUID().toString(); | |
| 95 | HttpSession session=getSession(); | |
| 96 | if(session!=null) | |
| 97 | { | |
| 98 | session.setAttribute("stoken", ss); | |
| 99 | return true; | |
| 100 | } | |
| 101 | return false; | |
| 102 | } | |
| 103 | public static boolean checkToken(){ | |
| 104 | HttpServletRequest request=getRequest(); | |
| 105 | HttpSession session=getSession(); | |
| 106 | if(request==null||session==null) | |
| 107 | return false; | |
| 108 | String ctoken=request.getParameter("ctoken"); | |
| 109 | Object stoken=session.getAttribute("stoken"); | |
| 110 | String ss=UUID.randomUUID().toString(); | |
| 111 | session.setAttribute("stoken", ss); | |
| 112 | if(stoken!=null&& ctoken!=null &&ctoken.equals(stoken.toString())) | |
| 113 | { | |
| 114 | return true; | |
| 115 | } | |
| 116 | return false; | |
| 117 | } | |
| 118 | /** | |
| 119 | * certyfi in client is: | |
| 120 | * @return | |
| 121 | */ | |
| 122 | public static boolean checkCertifyCode(String clientname,String servername) | |
| 123 | { | |
| 124 | HttpServletRequest request=getRequest(); | |
| 125 | HttpSession session=getSession(); | |
| 126 | if(request==null||session==null) | |
| 127 | return false; | |
| 128 | Object obj=session.getAttribute(servername); | |
| 129 | if(obj==null) | |
| 130 | return false; | |
| 131 | Object obj1=request.getParameter(clientname); | |
| 132 | if(obj1==null) | |
| 133 | return false; | |
| 134 | String str1=obj1.toString().toLowerCase(); | |
| 135 | if(obj.equals(str1)) | |
| 136 | return true; | |
| 137 | return false; | |
| 138 | } | |
| 139 | } | |
