|
1
18 package org.apache.beehive.netui.pageflow.internal;
19
20 import org.apache.beehive.netui.pageflow.FlowController;
21 import org.apache.beehive.netui.pageflow.PreviousPageInfo;
22 import org.apache.struts.upload.MultipartRequestWrapper;
23
24 import javax.servlet.http.HttpServletRequestWrapper  ;
25 import javax.servlet.http.HttpServletRequest ;
26 import javax.servlet.ServletRequest ;
27 import javax.servlet.ServletRequestWrapper ;
28
29 public final class PageFlowRequestWrapper
30 extends HttpServletRequestWrapper
31 {
32 private static final class State
33 {
34 public Integer forwardedRequestCount;
35 public String originalServletPath;
36 public FlowController currentFlowController;
37 public ViewRenderer viewRenderer;
38 public PreviousPageInfo previousPageInfo;
39 public boolean returningFromActionIntercept = false;
40 public String pageFlowScopedFormName;
41 public boolean processPopulateAlreadyCalled = false;
42 public boolean forwardedByButton = false;
43 public MultipartRequestWrapper multipartRequestWrapper;
44 }
45
46 private State _state = new State();
47
48 public static PageFlowRequestWrapper get( ServletRequest servletRequest )
49 {
50 servletRequest = InternalUtils.unwrapMultipart( servletRequest );
51 assert servletRequest instanceof PageFlowRequestWrapper : servletRequest.getClass().getName();
52 return ( PageFlowRequestWrapper ) servletRequest;
53 }
54
55
58 public static PageFlowRequestWrapper unwrap( ServletRequest servletRequest )
59 {
60 servletRequest = InternalUtils.unwrapMultipart( servletRequest );
61
62 while ( ! ( servletRequest instanceof PageFlowRequestWrapper ) )
63 {
64 if ( ! ( servletRequest instanceof ServletRequestWrapper ) ) return null;
65 servletRequest = ( ( ServletRequestWrapper ) servletRequest ).getRequest();
66 }
67
68 return ( PageFlowRequestWrapper ) servletRequest;
69 }
70
71 public void initFrom( PageFlowRequestWrapper wrapper )
72 {
73 _state = wrapper._state;
74 }
75
76 public PageFlowRequestWrapper( HttpServletRequest delegate )
77 {
78 super( delegate );
79 }
80
81 public boolean isForwardedRequest()
82 {
83 return _state.forwardedRequestCount != null;
84 }
85
86 public int getForwardedRequestCount()
87 {
88 return _state.forwardedRequestCount != null ? _state.forwardedRequestCount.intValue() : 0;
89 }
90
91 public void setForwardedRequestCount( int count )
92 {
93 _state.forwardedRequestCount = new Integer ( count );
94 }
95
96 public String getOriginalServletPath()
97 {
98 return _state.originalServletPath;
99 }
100
101 public void setOriginalServletPath( String originalServletPath )
102 {
103 _state.originalServletPath = originalServletPath;
104 }
105
106 public FlowController getCurrentFlowController()
107 {
108 return _state.currentFlowController;
109 }
110
111 public void setCurrentFlowController( FlowController currentFlowController )
112 {
113 _state.currentFlowController = currentFlowController;
114 }
115
116 public ViewRenderer getViewRenderer()
117 {
118 return _state.viewRenderer;
119 }
120
121 public void setViewRenderer( ViewRenderer viewRenderer )
122 {
123 _state.viewRenderer = viewRenderer;
124 }
125
126 public PreviousPageInfo getPreviousPageInfo( boolean remove )
127 {
128 PreviousPageInfo retVal = _state.previousPageInfo;
129 if ( remove ) _state.previousPageInfo = null;
130 return retVal;
131 }
132
133 public void setPreviousPageInfo( PreviousPageInfo previousPageInfo )
134 {
135 _state.previousPageInfo = previousPageInfo;
136 }
137
138 public boolean isReturningFromActionIntercept()
139 {
140 return _state.returningFromActionIntercept;
141 }
142
143 public void setReturningFromActionIntercept( boolean returningFromActionIntercept )
144 {
145 _state.returningFromActionIntercept = returningFromActionIntercept;
146 }
147
148 public HttpServletRequest getHttpRequest()
149 {
150 return ( HttpServletRequest ) super.getRequest();
151 }
152
153 public String getPageFlowScopedFormName()
154 {
155 return _state.pageFlowScopedFormName;
156 }
157
158 public void setPageFlowScopedFormName( String pageFlowScopedFormName )
159 {
160 _state.pageFlowScopedFormName = pageFlowScopedFormName;
161 }
162
163 public boolean isProcessPopulateAlreadyCalled()
164 {
165 return _state.processPopulateAlreadyCalled;
166 }
167
168 public void setProcessPopulateAlreadyCalled( boolean processPopulateAlreadyCalled )
169 {
170 _state.processPopulateAlreadyCalled = processPopulateAlreadyCalled;
171 }
172
173 public boolean isForwardedByButton()
174 {
175 return _state.forwardedByButton;
176 }
177
178 public void setForwardedByButton( boolean forwardedByButton )
179 {
180 _state.forwardedByButton = forwardedByButton;
181 }
182
183 public MultipartRequestWrapper getMultipartRequestWrapper()
184 {
185 return _state.multipartRequestWrapper;
186 }
187
188 public void setMultipartRequestWrapper( MultipartRequestWrapper multipartRequestWrapper )
189 {
190 _state.multipartRequestWrapper = multipartRequestWrapper;
191 }
192
193 public static PageFlowRequestWrapper wrapRequest( HttpServletRequest req )
194 {
195 PageFlowRequestWrapper retVal;
196 if ( req instanceof PageFlowRequestWrapper )
197 {
198 retVal = ( PageFlowRequestWrapper ) req;
199 }
200 else
201 {
202 retVal = new PageFlowRequestWrapper( req );
203 }
204
205 ServletRequest j = retVal.getRequest();
209 while ( j instanceof HttpServletRequestWrapper )
210 {
211 if ( j instanceof PageFlowRequestWrapper )
212 {
213 retVal.initFrom( ( PageFlowRequestWrapper ) j );
214 break;
215 }
216
217 j = ( ( HttpServletRequestWrapper ) j ).getRequest();
218 }
219
220 return retVal;
221 }
222 }
223 |
Popular Tags |
Java API By Example, From Geeks To Geeks.