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16 package org.kuali.rice.kns.web.struts.action;
17
18 import org.apache.commons.lang.StringUtils;
19 import org.apache.struts.action.ActionForm;
20 import org.apache.struts.action.ActionForward;
21 import org.apache.struts.action.ActionMapping;
22 import org.kuali.rice.core.api.CoreApiServiceLocator;
23 import org.kuali.rice.core.api.config.property.ConfigContext;
24 import org.kuali.rice.core.api.config.property.ConfigurationService;
25 import org.kuali.rice.core.api.util.RiceConstants;
26 import org.kuali.rice.core.api.util.RiceKeyConstants;
27 import org.kuali.rice.coreservice.framework.parameter.ParameterService;
28 import org.kuali.rice.coreservice.framework.CoreFrameworkServiceLocator;
29 import org.kuali.rice.kew.api.KewApiServiceLocator;
30 import org.kuali.rice.kew.api.doctype.DocumentType;
31 import org.kuali.rice.kns.datadictionary.BusinessObjectEntry;
32 import org.kuali.rice.kns.datadictionary.HeaderNavigation;
33 import org.kuali.rice.kns.datadictionary.KNSDocumentEntry;
34 import org.kuali.rice.kns.datadictionary.LookupDefinition;
35 import org.kuali.rice.kns.datadictionary.MaintainableFieldDefinition;
36 import org.kuali.rice.kns.service.KNSServiceLocator;
37 import org.kuali.rice.kns.service.MaintenanceDocumentDictionaryService;
38 import org.kuali.rice.kns.util.WebUtils;
39 import org.kuali.rice.kns.web.struts.form.KualiHelpForm;
40 import org.kuali.rice.krad.datadictionary.AttributeDefinition;
41 import org.kuali.rice.krad.datadictionary.DataDictionary;
42 import org.kuali.rice.krad.datadictionary.DataDictionaryEntry;
43 import org.kuali.rice.krad.datadictionary.HelpDefinition;
44 import org.kuali.rice.krad.service.DataDictionaryService;
45 import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
46 import org.kuali.rice.krad.util.KRADConstants;
47
48 import javax.servlet.http.HttpServletRequest;
49 import javax.servlet.http.HttpServletResponse;
50
51
52
53
54
55
56 public class KualiHelpAction extends KualiAction {
57 private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(KualiHelpAction.class);
58
59 private static final String VALIDATION_PATTERN_STRING = "ValidationPattern";
60 private static final String NO = "No";
61 private static final String YES = "Yes";
62 static final String DEFAULT_LOOKUP_HELP_TEXT_RESOURCE_KEY = "lookupHelpText";
63
64 private static DataDictionaryService dataDictionaryService;
65 private static ConfigurationService kualiConfigurationService;
66 private static ParameterService parameterService;
67 private static MaintenanceDocumentDictionaryService maintenanceDocumentDictionaryService;
68
69 private DataDictionaryService getDataDictionaryService() {
70 if ( dataDictionaryService == null ) {
71 dataDictionaryService = KRADServiceLocatorWeb.getDataDictionaryService();
72 }
73 return dataDictionaryService;
74 }
75 private ConfigurationService getConfigurationService() {
76 if ( kualiConfigurationService == null ) {
77 kualiConfigurationService = CoreApiServiceLocator.getKualiConfigurationService();
78 }
79 return kualiConfigurationService;
80 }
81 private ParameterService getParameterService() {
82 if ( parameterService == null ) {
83 parameterService = CoreFrameworkServiceLocator.getParameterService();
84 }
85 return parameterService;
86 }
87
88 private MaintenanceDocumentDictionaryService getMaintenanceDocumentDictionaryService() {
89 if ( maintenanceDocumentDictionaryService == null ) {
90 maintenanceDocumentDictionaryService = KNSServiceLocator.getMaintenanceDocumentDictionaryService();
91 }
92 return maintenanceDocumentDictionaryService;
93 }
94
95
96
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98
99
100
101 private DataDictionaryEntry getDataDictionaryEntry(String businessObjectClassName) {
102 return getDataDictionaryService().getDataDictionary().getDictionaryObjectEntry(businessObjectClassName);
103 }
104
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111
112
113 private AttributeDefinition getAttributeDefinition(String businessObjectClassName, String attributeName) throws ClassNotFoundException {
114 AttributeDefinition retval = null;
115
116 if (getDataDictionaryEntry(businessObjectClassName) != null) {
117 retval = getDataDictionaryEntry(businessObjectClassName).getAttributeDefinition(attributeName);
118 }
119 return retval;
120 }
121
122
123
124
125
126 private String getAttributeMaxLength(AttributeDefinition attribute) throws Exception {
127 return attribute.getMaxLength().toString();
128 }
129
130
131
132
133
134 private String getAttributeValidationPatternName(AttributeDefinition attribute) throws Exception {
135 String retval = new String();
136 if (attribute.getValidationPattern() != null) {
137 retval = attribute.getValidationPattern().getClass().getName();
138 }
139
140 if (retval.indexOf(".") > 0) {
141 retval = retval.substring(retval.lastIndexOf(".") + 1);
142 }
143 if (retval.endsWith(VALIDATION_PATTERN_STRING)) {
144 retval = retval.substring(0, retval.lastIndexOf(VALIDATION_PATTERN_STRING));
145 }
146
147 return retval;
148 }
149
150
151
152
153
154
155 public ActionForward getAttributeHelpText(ActionMapping mapping, KualiHelpForm helpForm, HttpServletRequest request, HttpServletResponse response) throws Exception {
156
157 AttributeDefinition attribute;
158
159 if (StringUtils.isBlank(helpForm.getBusinessObjectClassName()) || StringUtils.isBlank(helpForm.getAttributeName())) {
160 throw new RuntimeException("Business object and attribute name not specified.");
161 }
162 attribute = getAttributeDefinition(helpForm.getBusinessObjectClassName(), helpForm.getAttributeName());
163
164 if ( LOG.isDebugEnabled() ) {
165 LOG.debug( "Request for help on: " + helpForm.getBusinessObjectClassName() + " -- " + helpForm.getAttributeName() );
166 LOG.debug( " attribute: " + attribute );
167 }
168
169 if (attribute == null || StringUtils.isBlank(attribute.getSummary())) {
170 helpForm.setResourceKey(RiceKeyConstants.MESSAGE_NO_HELP_TEXT);
171 return getResourceHelpText(mapping, helpForm, request, response);
172 }
173
174 boolean required = attribute.isRequired().booleanValue();
175
176 try {
177 Class boClass = Class.forName( helpForm.getBusinessObjectClassName() );
178 String docTypeName = getMaintenanceDocumentDictionaryService().getDocumentTypeName( boClass );
179 if (StringUtils.isNotBlank(docTypeName)) {
180
181 MaintainableFieldDefinition field = getMaintenanceDocumentDictionaryService().getMaintainableField( docTypeName, helpForm.getAttributeName() );
182 if ( field != null ) {
183 required = field.isRequired();
184 }
185 }
186 else {
187 if (log.isInfoEnabled()) {
188 log.info("BO class " + boClass.getName() + " does not have a maint doc definition. Defaulting to using DD for definition");
189 }
190 }
191 } catch ( ClassNotFoundException ex ) {
192
193 LOG.warn( "Unable to obtain maintainable field for BO property.", ex );
194 }
195
196 helpForm.setHelpLabel(attribute.getLabel());
197 helpForm.setHelpSummary(attribute.getSummary());
198 helpForm.setHelpDescription(attribute.getDescription());
199 helpForm.setHelpRequired(required?YES:NO);
200 helpForm.setHelpMaxLength(getAttributeMaxLength(attribute));
201 helpForm.setValidationPatternName(getAttributeValidationPatternName(attribute));
202
203 return mapping.findForward(RiceConstants.MAPPING_BASIC);
204 }
205
206
207
208
209
210
211 public ActionForward getAttributeHelpText(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
212 return getAttributeHelpText(mapping, (KualiHelpForm) form, request, response);
213 }
214
215
216
217
218 public ActionForward getDocumentHelpText(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
219 KualiHelpForm helpForm = (KualiHelpForm) form;
220
221 String documentTypeName = helpForm.getDocumentTypeName();
222
223 if (StringUtils.isBlank(documentTypeName)) {
224 throw new RuntimeException("Document type name not specified.");
225 }
226
227 DataDictionary dataDictionary = getDataDictionaryService().getDataDictionary();
228 org.kuali.rice.krad.datadictionary.DocumentEntry entry = (org.kuali.rice.krad.datadictionary.DocumentEntry ) dataDictionary.getDocumentEntry(documentTypeName);
229
230 String label = "";
231 String summary = "";
232 String description = "";
233 HelpDefinition helpDefinition = null;
234 String apcHelpUrl = null;
235 if (entry != null) {
236 DocumentType docType = KewApiServiceLocator.getDocumentTypeService().getDocumentTypeByName(entry.getDocumentTypeName());
237 label = docType.getLabel();
238 description = docType.getDescription();
239 if (StringUtils.isNotBlank(docType.getHelpDefinitionUrl())) {
240 apcHelpUrl = WebUtils.toAbsoluteURL(ConfigContext.getCurrentContextConfig().getProperty(KRADConstants.EXTERNALIZABLE_HELP_URL_KEY), docType.getHelpDefinitionUrl());
241 }
242 }
243
244 if ( StringUtils.isNotBlank(apcHelpUrl) ) {
245 response.sendRedirect(apcHelpUrl);
246 return null;
247 }
248
249 helpForm.setHelpLabel(label);
250 helpForm.setHelpSummary(summary);
251 helpForm.setHelpDescription(description);
252 helpForm.setHelpDefinition(helpDefinition);
253
254 return mapping.findForward(RiceConstants.MAPPING_BASIC);
255 }
256
257
258
259
260 public ActionForward getBusinessObjectHelpText(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
261 KualiHelpForm helpForm = (KualiHelpForm) form;
262
263 String objectClassName = helpForm.getBusinessObjectClassName();
264
265 if (StringUtils.isBlank(objectClassName)) {
266 throw new RuntimeException("Document type name not specified.");
267 }
268
269 DataDictionary dataDictionary = getDataDictionaryService().getDataDictionary();
270 BusinessObjectEntry entry = (BusinessObjectEntry) dataDictionary.getBusinessObjectEntry(objectClassName);
271
272 HelpDefinition helpDefinition = null;
273 String apcHelpUrl = null;
274 String label = "";
275 String objectDescription = "";
276 if (entry != null) {
277 helpDefinition = entry.getHelpDefinition();
278 label = entry.getObjectLabel();
279 objectDescription = entry.getObjectDescription();
280 if (null != helpDefinition && null != helpDefinition.getParameterNamespace() && null != helpDefinition.getParameterDetailType() && null != helpDefinition.getParameterName()) {
281 apcHelpUrl = getHelpUrl(helpDefinition.getParameterNamespace(), helpDefinition.getParameterDetailType(), helpDefinition.getParameterName());
282 }
283 }
284
285 if ( !StringUtils.isBlank(apcHelpUrl) ) {
286 response.sendRedirect(apcHelpUrl);
287 return null;
288 }
289 helpForm.setHelpLabel(label);
290 helpForm.setHelpDescription(objectDescription);
291
292 return mapping.findForward(RiceConstants.MAPPING_BASIC);
293 }
294
295
296
297
298 public ActionForward getPageHelpText(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
299 KualiHelpForm helpForm = (KualiHelpForm) form;
300
301 String documentTypeName = helpForm.getDocumentTypeName();
302 String pageName = helpForm.getPageName();
303
304 if (StringUtils.isBlank(documentTypeName)) {
305 throw new RuntimeException("Document type name not specified.");
306 }
307
308 if (StringUtils.isBlank(pageName)) {
309 throw new RuntimeException("Page name not specified.");
310 }
311
312 DataDictionary dataDictionary = getDataDictionaryService().getDataDictionary();
313 KNSDocumentEntry entry = (KNSDocumentEntry) dataDictionary.getDocumentEntry(documentTypeName);
314
315 String apcHelpUrl = null;
316 String label = "";
317 String objectDescription = "";
318 if (entry != null) {
319 for ( HeaderNavigation headerNavigation : entry.getHeaderNavigationList() ) {
320 if (headerNavigation.getHeaderTabDisplayName().equals(pageName)) {
321 HelpDefinition helpDefinition = headerNavigation.getHelpDefinition();
322 if (null != helpDefinition && null != helpDefinition.getParameterNamespace() && null != helpDefinition.getParameterDetailType() && null != helpDefinition.getParameterName()) {
323 apcHelpUrl = getHelpUrl(helpDefinition.getParameterNamespace(), helpDefinition.getParameterDetailType(), helpDefinition.getParameterName());
324 }
325 }
326 }
327 }
328
329 if ( !StringUtils.isBlank(apcHelpUrl) ) {
330 response.sendRedirect(apcHelpUrl);
331 return null;
332 }
333 helpForm.setHelpLabel(pageName);
334 helpForm.setHelpDescription("No help content available.");
335
336 return mapping.findForward(RiceConstants.MAPPING_BASIC);
337 }
338
339
340
341
342 public ActionForward getStoredHelpUrl(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
343 KualiHelpForm helpForm = (KualiHelpForm) form;
344
345 String helpParameterNamespace = helpForm.getHelpParameterNamespace();
346 String helpParameterDetailType = helpForm.getHelpParameterDetailType();
347 String helpParameterName = helpForm.getHelpParameterName();
348
349 if (StringUtils.isBlank(helpParameterNamespace)) {
350 throw new RuntimeException("Parameter Namespace not specified.");
351 }
352
353 if (StringUtils.isBlank(helpParameterDetailType)) {
354 throw new RuntimeException("Detail Type not specified.");
355 }
356
357 if (StringUtils.isBlank(helpParameterName)) {
358 throw new RuntimeException("Parameter Name not specified.");
359 }
360
361 String apcHelpUrl = getHelpUrl(helpParameterNamespace, helpParameterDetailType, helpParameterName);
362
363 if ( !StringUtils.isBlank(apcHelpUrl) ) {
364 response.sendRedirect(apcHelpUrl);
365 return null;
366 }
367
368 helpForm.setHelpDescription("No help content available.");
369 return mapping.findForward(RiceConstants.MAPPING_BASIC);
370 }
371
372
373
374
375 public ActionForward getResourceHelpText(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
376 KualiHelpForm helpForm = (KualiHelpForm) form;
377
378 String resourceKey = helpForm.getResourceKey();
379 populateHelpFormForResourceText(helpForm, resourceKey);
380
381 return mapping.findForward(RiceConstants.MAPPING_BASIC);
382 }
383
384
385
386
387
388
389 protected void populateHelpFormForResourceText(KualiHelpForm helpForm, String resourceKey) {
390 if (StringUtils.isBlank(resourceKey)) {
391 throw new RuntimeException("Help resource key not specified.");
392 }
393
394 helpForm.setHelpLabel("");
395 helpForm.setHelpSummary("");
396 helpForm.setHelpDescription(getConfigurationService().getPropertyValueAsString(resourceKey));
397 }
398
399
400
401
402 public ActionForward getLookupHelpText(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
403 KualiHelpForm helpForm = (KualiHelpForm) form;
404
405
406 if (!StringUtils.isEmpty(helpForm.getSearchDocumentTypeName())) {
407 DocumentType docType = KewApiServiceLocator.getDocumentTypeService().getDocumentTypeByName(helpForm.getSearchDocumentTypeName());
408 if (docType != null && !StringUtils.isEmpty(docType.getDocSearchHelpUrl())) {
409 String docSearchHelpUrl = WebUtils.toAbsoluteURL(ConfigContext.getCurrentContextConfig().getProperty(KRADConstants.EXTERNALIZABLE_HELP_URL_KEY), docType.getDocSearchHelpUrl());
410
411 if ( StringUtils.isNotBlank(docSearchHelpUrl) ) {
412 response.sendRedirect(docSearchHelpUrl);
413 return null;
414 }
415 }
416 }
417
418 final String lookupBusinessObjectClassName = helpForm.getLookupBusinessObjectClassName();
419 if (!StringUtils.isBlank(lookupBusinessObjectClassName)) {
420 final DataDictionary dataDictionary = getDataDictionaryService().getDataDictionary();
421 final BusinessObjectEntry entry = (BusinessObjectEntry) dataDictionary.getBusinessObjectEntry(lookupBusinessObjectClassName);
422 final LookupDefinition lookupDefinition = entry.getLookupDefinition();
423
424 if (lookupDefinition != null) {
425 if (lookupDefinition.getHelpDefinition() != null && !StringUtils.isBlank(lookupDefinition.getHelpDefinition().getParameterNamespace()) && !StringUtils.isBlank(lookupDefinition.getHelpDefinition().getParameterDetailType()) && !StringUtils.isBlank(lookupDefinition.getHelpDefinition().getParameterName())) {
426 final String apcHelpUrl = getHelpUrl(lookupDefinition.getHelpDefinition().getParameterNamespace(), lookupDefinition.getHelpDefinition().getParameterDetailType(), lookupDefinition.getHelpDefinition().getParameterName());
427
428 if ( !StringUtils.isBlank(apcHelpUrl) ) {
429 response.sendRedirect(apcHelpUrl);
430 return null;
431 }
432 } else if (!StringUtils.isBlank(lookupDefinition.getHelpUrl())) {
433 final String apcHelpUrl = WebUtils.toAbsoluteURL(ConfigContext.getCurrentContextConfig().getProperty(KRADConstants.EXTERNALIZABLE_HELP_URL_KEY), lookupDefinition.getHelpUrl());
434 response.sendRedirect(apcHelpUrl);
435 return null;
436 }
437 }
438 }
439
440
441 populateHelpFormForResourceText(helpForm, getDefaultLookupHelpResourceKey());
442 return mapping.findForward(RiceConstants.MAPPING_BASIC);
443 }
444
445
446
447
448 protected String getDefaultLookupHelpResourceKey() {
449 return KualiHelpAction.DEFAULT_LOOKUP_HELP_TEXT_RESOURCE_KEY;
450 }
451
452 private String getHelpUrl(String parameterNamespace, String parameterDetailTypeCode, String parameterName) {
453 return WebUtils.toAbsoluteURL(getConfigurationService().getPropertyValueAsString(KRADConstants.EXTERNALIZABLE_HELP_URL_KEY), getParameterService().getParameterValueAsString(parameterNamespace, parameterDetailTypeCode, parameterName));
454 }
455
456
457
458
459 public ActionForward getHelpUrlByNamespace(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
460 KualiHelpForm helpForm = (KualiHelpForm) form;
461 return getStoredHelpUrl(mapping, form, request, response);
462 }
463 }