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1 package net.sourceforge.formview.util;
2
3 import java.util.Collection  ;
4 import java.util.HashMap ;
5 import java.util.Iterator ;
6 import java.util.Map ;
7
8 import javax.servlet.ServletContext ;
9 import javax.servlet.ServletRequest ;
10 import javax.servlet.http.HttpServletRequest ;
11
12 import org.apache.struts.action.ActionErrors;
13 import org.apache.struts.action.ActionMessages;
14
15 import net.sourceforge.formview.FieldView;
16 import net.sourceforge.formview.FormView;
17 import net.sourceforge.formview.FormViewConstants;
18 import net.sourceforge.formview.FormViewResources;
19 import net.sourceforge.formview.permission.IPermissionsAdapter;
20 import net.sourceforge.formview.permission.RolesPermissionsAdapter;
21
22
28 public class WEBFormViewUtil {
29
30 public static boolean contextPathInitialized = false;
31
32
37 public static void saveFormViewResources(ServletContext context,FormViewResources resources) {
38 context.setAttribute(FormViewConstants.SERVLETCONTEXT_FORMVIEW_RESSOURCES_KEY , resources);
39 }
40
41
48 protected static FormViewResources getFormViewResources(ServletContext context) {
49 FormViewResources resources = (FormViewResources)context.getAttribute(FormViewConstants.SERVLETCONTEXT_FORMVIEW_RESSOURCES_KEY);
50 if (resources == null) {
51 throw new IllegalArgumentException ("Impossible to get FormViewResources into servlet context. Check if you have register FormViewResources into WEB Servlet Context with key \"net.sourceforge.formview.SERVLETCONTEXT_FORMVIEW_RESSOURCES_KEY\" (If you are in Struts check if you have intiliaze Plugin FormViewPlugin correctly).");
52 }
53 return resources;
54 }
55
56 public static void saveState(ServletRequest request, ServletContext context, String state) {
57 saveState(request, context, state, FormViewConstants.MAP_FORMVIEW_DEFAULT_KEY);
58 }
59
60
66 public static void saveState(ServletRequest request, ServletContext context, String state, String subFormId) {
67 if (state != null && state.length() > 0) {
68 request.setAttribute(getREQUEST_FORMSTATE_KEY(subFormId), state);
70 }
71 initializeContextPath(request, context);
72 }
73
74
75 public static void saveFormView(ServletRequest request, ServletContext context, String formName) {
76 saveFormView(request, context, formName, FormViewConstants.MAP_FORMVIEW_DEFAULT_KEY);
77 }
78
79
86 public static void saveFormView(ServletRequest request, ServletContext context, String formName, String subFormId) {
87 FormView formView = getFormViewSaved(request, subFormId);
88 if (formView == null) {
89 FormViewResources resources = getFormViewResources(context);
90 String formState = (String )request.getAttribute(getREQUEST_FORMSTATE_KEY(subFormId));
92 if (formName != null && formName.length() > 0) {
94 formView = resources.getFormView(formName, formState);
95 if (formView != null) {
96 Map formViewSavedMap = getFormViewSavedMap(request);
98 if (formViewSavedMap == null) {
99 formViewSavedMap = new HashMap ();
100 request.setAttribute(FormViewConstants.REQUEST_FORMVIEW_KEY, formViewSavedMap);
101 }
102 formViewSavedMap.put(subFormId, formView);
104 }
105 }
106 }
107 initializeContextPath(request, context);
108
109 }
110
111 public static FormView getFormViewSaved(ServletRequest request) {
112 return getFormViewSaved(request, FormViewConstants.MAP_FORMVIEW_DEFAULT_KEY);
113 }
114
115 public static FormView getFormViewSaved(ServletRequest request, String subFormId) {
116 Map formViewSavedMap = getFormViewSavedMap(request);
117 if (formViewSavedMap != null)
118 return (FormView)formViewSavedMap.get(subFormId);
119 return null;
120 }
121
122 public static Map getFormViewSavedMap(ServletRequest request) {
123 return (Map )request.getAttribute(FormViewConstants.REQUEST_FORMVIEW_KEY);
124 }
125
126 public static void saveFieldView(ServletRequest request, ServletContext context, String formName, FieldView fieldView) {
127 saveFieldView(request, context, formName, fieldView, FormViewConstants.MAP_FORMVIEW_DEFAULT_KEY);
128 }
129
130
131 public static void saveFieldView(ServletRequest request, ServletContext context, String formName, FieldView fieldView, String subFormId) {
132 FormView formView = getFormViewSaved(request, subFormId);
133 if (formView != null) {
134 formView.mergeFieldView(fieldView);
135 }
136 }
137
138 public static void savePermissionAdapter(ServletRequest request, IPermissionsAdapter permissionsAdapter) {
139 request.setAttribute(FormViewConstants.REQUEST_FORMPERMISSION_KEY, permissionsAdapter);
141 }
142
143 public static String processHtmlContent(ServletRequest request, ServletContext context, String htmlContent)
144 {
145 return processHtmlContent(request, context, htmlContent, FormViewConstants.MAP_FORMVIEW_DEFAULT_KEY);
146 }
147
148
149 public static String processHtmlContent(ServletRequest request, ServletContext context, String htmlContent, String subFormId) {
150 FormView form = getFormViewSaved(request, subFormId);
151 String state = (String )request.getAttribute(getREQUEST_FORMSTATE_KEY(subFormId));
152
153 IPermissionsAdapter permissionsAdapter = (IPermissionsAdapter)request.getAttribute(FormViewConstants.REQUEST_FORMPERMISSION_KEY);
155 if (permissionsAdapter == null) {
156 if (request instanceof HttpServletRequest )
157 permissionsAdapter = new RolesPermissionsAdapter((HttpServletRequest )request);
158 }
159 FormViewResources resources = getFormViewResources(context);
160 return resources.processHtmlContent(form, state, permissionsAdapter, htmlContent);
161 }
162
163
169 public static void addContextValue(ServletContext context, String key, String value) {
170 FormViewResources resources = getFormViewResources(context);
171 resources.addContextValue(key, value);
172 }
173
174 private static void initializeContextPath(ServletRequest request, ServletContext context) {
175 if (!contextPathInitialized) {
176 if (request instanceof HttpServletRequest ) {
177 HttpServletRequest httpRequest = (HttpServletRequest )request;
178 addContextValue(context, "contextPath", httpRequest.getContextPath());
180 }
181 }
182 contextPathInitialized = true;
183 }
184
185
191
192 public static String getREQUEST_FORMSTATE_KEY(String subFormId) {
193 if (subFormId != null && subFormId.length() > 0) {
194 return FormViewConstants.REQUEST_FORMSTATE_KEY + "_" + subFormId;
195 }
196 return FormViewConstants.REQUEST_FORMSTATE_KEY;
197 }
198
199 public static void mergeFormViewWithStrutsActionErrors(ServletRequest request, ServletContext context) {
200 ActionMessages errors = (ActionMessages)request.getAttribute("org.apache.struts.action.ERROR");
201 if (errors != null && !errors.isEmpty()) {
202 Map formViewSavedMap = getFormViewSavedMap(request);
203 if (formViewSavedMap != null) {
204 FormViewResources resources = getFormViewResources(context);
206 String errorBehaviour = resources.getErrorBehaviour();
207
208 Collection formViewList = formViewSavedMap.values();
210 for (Iterator iter = formViewList.iterator(); iter.hasNext();) {
211 FormView formView = (FormView) iter.next();
212 mergeFormViewWithStrutsActionErrors(request, formView, errorBehaviour, errors);
213 }
214 }
215 }
216 }
217
218 public static void mergeFormViewWithStrutsActionErrors(ServletRequest request, FormView formView, String errorBehaviour, ActionMessages errors) {
219 if (formView != null && errors != null) {
221 boolean isFirstFieldNameWithErrorInitialized = false;
224 for (Iterator iter = errors.properties(); iter.hasNext();) {
225 String currentFieldName = (String ) iter.next();
226 if (currentFieldName != null &&
227 !currentFieldName.equals(ActionMessages.GLOBAL_MESSAGE) &&
228 !currentFieldName.equals(ActionErrors.GLOBAL_ERROR) &&
229 !currentFieldName.equals("")) {
230 FieldView fieldViewWithError = formView.getField(currentFieldName);
232 if (fieldViewWithError == null) {
233 fieldViewWithError = new FieldView();
234 fieldViewWithError.setProperty(currentFieldName);
235 formView.addField(fieldViewWithError);
236 }
237 fieldViewWithError.setBehaviour(errorBehaviour);
238
239 if (!isFirstFieldNameWithErrorInitialized) {
240 isFirstFieldNameWithErrorInitialized = true;
241 saveFirstFieldWithError(currentFieldName, new Integer (0), request);
242 }
243 }
244 }
245 }
246 }
247
248 public static void setMergeFormViewWithStrutsActionErrors(ServletRequest request, boolean merge) {
249 request.setAttribute(FormViewConstants.MERGE_WITH_STRUTS_ACTIONERRORS , new Boolean (merge));
250 }
251
252 public static boolean isMergeFormViewWithStrutsActionErrors(ServletRequest request) {
253 Boolean merge = (Boolean )request.getAttribute(FormViewConstants.MERGE_WITH_STRUTS_ACTIONERRORS);
254 if (merge != null)
255 return merge.booleanValue();
256 return true;
257 }
258
259 public static void saveFirstFieldWithError(String fieldNameWithError, HttpServletRequest request) {
260 saveFirstFieldWithError(fieldNameWithError, new Integer (0), request);
261 }
262
263 public static void saveFirstFieldWithError(String fieldNameWithError, Integer fieldIndexWithError, ServletRequest request) {
264 if (request.getAttribute("firstFieldNameWithError") == null) {
266 request.setAttribute("firstFieldNameWithError", fieldNameWithError);
267 request.setAttribute("firstFieldIndexWithError", fieldIndexWithError);
268 }
269 }
270 }
271 |
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