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1
4 package com.terracotta.session.util;
5
6 import javax.servlet.ServletContext  ;
7 import javax.servlet.http.HttpServletRequest ;
8 import javax.servlet.http.HttpSessionContext ;
9
10 public class DefaultContextMgr implements ContextMgr {
11
12 private final ServletContext servletContext;
13 private final String appName;
14
15 public static DefaultContextMgr makeInstance(HttpServletRequest req, ServletContext servletContext) {
16 return new DefaultContextMgr(computeAppName(req), servletContext);
17 }
18
19 public static DefaultContextMgr makeInstance(String contextPath, ServletContext servletContext) {
20 return new DefaultContextMgr(computeAppName(contextPath), servletContext);
21 }
22
23 protected DefaultContextMgr(String appName, ServletContext servletContext) {
24 Assert.pre(appName != null);
25 this.servletContext = servletContext;
26 this.appName = appName;
27 }
28
29 public ServletContext getServletContext() {
30 return servletContext;
31 }
32
33 public HttpSessionContext getSessionContext() {
34 return DefaultSessionContext.theInstance;
35 }
36
37 public String getAppName() {
38 Assert.post(appName != null);
39 return appName;
40 }
41
42 public static String computeAppName(HttpServletRequest request) {
43 Assert.pre(request != null);
44 String app = request.getContextPath();
45 return computeAppName(app);
46 }
47
48 private static String computeAppName(String app) {
49 if (app == null) app = "";
52 else app = app.trim();
53 if (app.length() == 0 || "/".equals(app)) return "ROOT";
54 if (app.startsWith("/")) app = app.substring(1);
55 if (app.endsWith("/")) app = app.substring(0, app.length() - 2);
56 Assert.post(app != null);
57 return app;
58 }
59 }
60 |
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