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1 package org.jahia.services.applications;
2
3 import javax.servlet.ServletException  ;
4 import java.util.Enumeration ;
5
6
16 public class StrutsGlobalAttribute {
17
18 public static String REQUEST_SCOPE = "REQUEST";
19 public static String SESSION_SCOPE = "SESSION";
20
21 private String attributeName;
22 private String attributeScope;
23 private Object attributeValue;
24 private boolean attributeExist = false;
25
26
30 public StrutsGlobalAttribute (String attributeName, String attributeScope) {
31 this.attributeName = attributeName;
32 this.attributeScope = attributeScope;
33 }
34
35
42 public void backupAttribute (ServletIncludeRequestWrapper request,
43 ServletIncludeResponseWrapper response)
44 throws ServletException , java.io.IOException {
45 if (isRequestScope ()) {
46 if (checkAttribute (request.getAttributeNames ())) {
47 this.attributeValue = request.getAttribute (this.attributeName);
48 request.removeAttribute (this.attributeName);
49 }
50 } else {
51 if (checkAttribute (request.getAttributeNames ())) {
52 this.attributeValue = request.getSession ()
53 .getAttribute (this.attributeName);
54 request.getSession ().removeAttribute (this.attributeName);
55 }
56 }
57 }
58
59
66 public void restoreAttribute (ServletIncludeRequestWrapper request,
67 ServletIncludeResponseWrapper response)
68 throws ServletException , java.io.IOException {
69 if (this.attributeExist) {
70 if (isRequestScope ()) {
71 request.setAttribute (this.attributeName, this.attributeValue);
72 } else {
73 request.getSession ().setAttribute (this.attributeName,
74 this.attributeValue);
75 }
76 }
77 }
78
79 private boolean isRequestScope () {
80 return REQUEST_SCOPE.equals (this.attributeScope);
81 }
82
83 private boolean checkAttribute (Enumeration names) {
84 while (names.hasMoreElements ()) {
85 String name = (String ) names.nextElement ();
86 if (name.equals (this.attributeName)) {
87 this.attributeExist = true;
88 break;
89 }
90 }
91 return this.attributeExist;
92 }
93
94 }
95 |
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