Source Code Cross Referenced for AliasesAction.java in  » ERP-CRM-Financial » sakai » org » sakaiproject » alias » tool » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » ERP CRM Financial » sakai » org.sakaiproject.alias.tool 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**********************************************************************************
002:         * $URL: https://source.sakaiproject.org/svn/alias/tags/sakai_2-4-1/alias-tool/tool/src/java/org/sakaiproject/alias/tool/AliasesAction.java $
003:         * $Id: AliasesAction.java 13111 2006-07-31 15:59:58Z ggolden@umich.edu $
004:         ***********************************************************************************
005:         *
006:         * Copyright (c) 2003, 2004, 2005, 2006 The Sakai Foundation.
007:         * 
008:         * Licensed under the Educational Community License, Version 1.0 (the "License"); 
009:         * you may not use this file except in compliance with the License. 
010:         * You may obtain a copy of the License at
011:         * 
012:         *      http://www.opensource.org/licenses/ecl1.php
013:         * 
014:         * Unless required by applicable law or agreed to in writing, software 
015:         * distributed under the License is distributed on an "AS IS" BASIS, 
016:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
017:         * See the License for the specific language governing permissions and 
018:         * limitations under the License.
019:         *
020:         **********************************************************************************/package org.sakaiproject.alias.tool;
021:
022:        // imports
023:        import java.util.List;
024:
025:        import org.sakaiproject.alias.api.AliasEdit;
026:        import org.sakaiproject.alias.cover.AliasService;
027:        import org.sakaiproject.authz.cover.SecurityService;
028:        import org.sakaiproject.cheftool.Context;
029:        import org.sakaiproject.cheftool.JetspeedRunData;
030:        import org.sakaiproject.cheftool.PagedResourceActionII;
031:        import org.sakaiproject.cheftool.RunData;
032:        import org.sakaiproject.cheftool.VelocityPortlet;
033:        import org.sakaiproject.cheftool.api.Menu;
034:        import org.sakaiproject.cheftool.api.MenuItem;
035:        import org.sakaiproject.cheftool.menu.MenuEntry;
036:        import org.sakaiproject.cheftool.menu.MenuImpl;
037:        import org.sakaiproject.courier.api.ObservingCourier;
038:        import org.sakaiproject.event.api.SessionState;
039:        import org.sakaiproject.exception.IdInvalidException;
040:        import org.sakaiproject.exception.IdUnusedException;
041:        import org.sakaiproject.exception.IdUsedException;
042:        import org.sakaiproject.exception.InUseException;
043:        import org.sakaiproject.exception.PermissionException;
044:        import org.sakaiproject.util.ResourceLoader;
045:        import org.sakaiproject.util.StringUtil;
046:
047:        /**
048:         * <p>
049:         * AliasesAction is the Sakai aliases editor.
050:         * </p>
051:         */
052:        public class AliasesAction extends PagedResourceActionII {
053:            /**
054:             * Populate the state object, if needed.
055:             */
056:            /** Resource bundle using current language locale */
057:            private static ResourceLoader rb = new ResourceLoader("admin");
058:
059:            protected void initState(SessionState state,
060:                    VelocityPortlet portlet, JetspeedRunData rundata) {
061:                super .initState(state, portlet, rundata);
062:
063:            } // initState
064:
065:            /**
066:             * Setup our observer to be watching for change events for our channel.
067:             * 
068:             * @param peid
069:             *        The portlet id.
070:             */
071:            private void updateObservationOfChannel(SessionState state,
072:                    String peid) {
073:                // EventObservingCourier observer = (EventObservingCourier) state.getAttribute(STATE_OBSERVER);
074:                //
075:                // // the delivery location for this tool
076:                // String deliveryId = clientWindowId(state, peid);
077:                // observer.setDeliveryId(deliveryId);
078:
079:            } // updateObservationOfChannel
080:
081:            /**
082:             * build the context
083:             */
084:            public String buildMainPanelContext(VelocityPortlet portlet,
085:                    Context context, RunData rundata, SessionState state) {
086:                context.put("tlang", rb);
087:                String template = null;
088:
089:                // if not logged in as the super user, we won't do anything
090:                if (!SecurityService.isSuperUser()) {
091:                    return (String) getContext(rundata).get("template")
092:                            + "_noaccess";
093:                }
094:
095:                // put $action into context for menus, forms and links
096:                context.put(Menu.CONTEXT_ACTION, state
097:                        .getAttribute(STATE_ACTION));
098:
099:                // check mode and dispatch
100:                String mode = (String) state.getAttribute("mode");
101:                if (mode == null) {
102:                    template = buildListContext(state, context);
103:                } else if (mode.equals("new")) {
104:                    template = buildNewContext(state, context);
105:                } else if (mode.equals("edit")) {
106:                    template = buildEditContext(state, context);
107:                } else if (mode.equals("confirm")) {
108:                    template = buildConfirmRemoveContext(state, context);
109:                } else {
110:                    Log.warn("chef", "AliasesAction: mode: " + mode);
111:                    template = buildListContext(state, context);
112:                }
113:
114:                String prefix = (String) getContext(rundata).get("template");
115:                return prefix + template;
116:
117:            } // buildNormalContext
118:
119:            /**
120:             * Build the context for the main list mode.
121:             */
122:            private String buildListContext(SessionState state, Context context) {
123:                // put the service in the context
124:                context.put("service", AliasService.getInstance());
125:
126:                // put all aliases into the context
127:                context.put("aliases", prepPage(state));
128:
129:                // build the menu
130:                Menu bar = new MenuImpl();
131:                if (AliasService.allowAdd()) {
132:                    bar.add(new MenuEntry(rb.getString("alias.new"), null,
133:                            true, MenuItem.CHECKED_NA, "doNew"));
134:                }
135:
136:                // add the paging commands
137:                addListPagingMenus(bar, state);
138:
139:                // add the search commands
140:                addSearchMenus(bar, state);
141:
142:                // add the refresh commands
143:                addRefreshMenus(bar, state);
144:
145:                if (bar.size() > 0) {
146:                    context.put(Menu.CONTEXT_MENU, bar);
147:                }
148:
149:                return "_list";
150:
151:            } // buildListContext
152:
153:            /**
154:             * Build the context for the new alias mode.
155:             */
156:            private String buildNewContext(SessionState state, Context context) {
157:                return "_edit";
158:
159:            } // buildNewContext
160:
161:            /**
162:             * Build the context for the new alias mode.
163:             */
164:            private String buildEditContext(SessionState state, Context context) {
165:                // name the html form for alias edit fields
166:                context.put("form-name", "alias-form");
167:
168:                // get the alias to edit
169:                AliasEdit alias = (AliasEdit) state.getAttribute("alias");
170:                context.put("alias", alias);
171:
172:                // build the menu
173:                // we need the form fields for the remove...
174:                boolean menuPopulated = false;
175:                Menu bar = new MenuImpl();
176:                if (AliasService.allowRemoveAlias(alias.getId())) {
177:                    bar
178:                            .add(new MenuEntry(rb.getString("alias.remove"),
179:                                    null, true, MenuItem.CHECKED_NA,
180:                                    "doRemove", "alias-form"));
181:                    menuPopulated = true;
182:                }
183:
184:                if (menuPopulated) {
185:                    state.setAttribute(Menu.STATE_MENU, bar);
186:                    context.put(Menu.CONTEXT_MENU, bar);
187:                }
188:
189:                return "_edit";
190:
191:            } // buildEditContext
192:
193:            /**
194:             * Build the context for the new alias mode.
195:             */
196:            private String buildConfirmRemoveContext(SessionState state,
197:                    Context context) {
198:                // get the alias to edit
199:                AliasEdit alias = (AliasEdit) state.getAttribute("alias");
200:                context.put("alias", alias);
201:
202:                return "_confirm_remove";
203:
204:            } // buildConfirmRemoveContext
205:
206:            /**
207:             * doNew called when "eventSubmit_doNew" is in the request parameters to add a new alias
208:             */
209:            public void doNew(RunData data, Context context) {
210:                SessionState state = ((JetspeedRunData) data)
211:                        .getPortletSessionState(((JetspeedRunData) data)
212:                                .getJs_peid());
213:                state.setAttribute("mode", "new");
214:
215:                // mark the alias as new, so on cancel it can be deleted
216:                state.setAttribute("new", "true");
217:
218:                // disable auto-updates while not in list mode
219:                ObservingCourier courier = (ObservingCourier) state
220:                        .getAttribute(STATE_OBSERVER);
221:                if (courier != null)
222:                    courier.disable();
223:
224:            } // doNew
225:
226:            /**
227:             * doEdit called when "eventSubmit_doEdit" is in the request parameters to edit a alias
228:             */
229:            public void doEdit(RunData data, Context context) {
230:                SessionState state = ((JetspeedRunData) data)
231:                        .getPortletSessionState(((JetspeedRunData) data)
232:                                .getJs_peid());
233:                String id = data.getParameters().getString("id");
234:
235:                // get the alias
236:                try {
237:                    AliasEdit alias = AliasService.edit(id);
238:                    state.setAttribute("alias", alias);
239:                    state.setAttribute("mode", "edit");
240:
241:                    // disable auto-updates while not in list mode
242:                    ObservingCourier courier = (ObservingCourier) state
243:                            .getAttribute(STATE_OBSERVER);
244:                    if (courier != null)
245:                        courier.disable();
246:                } catch (IdUnusedException e) {
247:                    Log.warn("chef", "AliasesAction.doEdit: alias not found: "
248:                            + id);
249:
250:                    addAlert(state, rb.getString("alias.alias") + " " + id
251:                            + " " + rb.getString("alias.notfound"));
252:                    state.removeAttribute("mode");
253:
254:                    // make sure auto-updates are enabled
255:                    ObservingCourier courier = (ObservingCourier) state
256:                            .getAttribute(STATE_OBSERVER);
257:                    if (courier != null)
258:                        courier.enable();
259:                } catch (PermissionException e) {
260:                    addAlert(state, rb.getString("alias.notpermis") + " " + id);
261:                    state.removeAttribute("mode");
262:
263:                    // make sure auto-updates are enabled
264:                    ObservingCourier courier = (ObservingCourier) state
265:                            .getAttribute(STATE_OBSERVER);
266:                    if (courier != null)
267:                        courier.enable();
268:                } catch (InUseException e) {
269:                    addAlert(state, rb.getString("alias.someone") + " " + id);
270:                    state.removeAttribute("mode");
271:
272:                    // make sure auto-updates are enabled
273:                    ObservingCourier courier = (ObservingCourier) state
274:                            .getAttribute(STATE_OBSERVER);
275:                    if (courier != null)
276:                        courier.enable();
277:                }
278:
279:            } // doEdit
280:
281:            /**
282:             * doSave called when "eventSubmit_doSave" is in the request parameters to save alias edits
283:             */
284:            public void doSave(RunData data, Context context) {
285:                SessionState state = ((JetspeedRunData) data)
286:                        .getPortletSessionState(((JetspeedRunData) data)
287:                                .getJs_peid());
288:
289:                // read the form - if rejected, leave things as they are
290:                if (!readAliasForm(data, state))
291:                    return;
292:
293:                // commit the change
294:                AliasEdit alias = (AliasEdit) state.getAttribute("alias");
295:                if (alias != null) {
296:                    AliasService.commit(alias);
297:                }
298:
299:                // cleanup
300:                state.removeAttribute("alias");
301:                state.removeAttribute("new");
302:
303:                // return to main mode
304:                state.removeAttribute("mode");
305:
306:                // make sure auto-updates are enabled
307:                ObservingCourier courier = (ObservingCourier) state
308:                        .getAttribute(STATE_OBSERVER);
309:                if (courier != null)
310:                    courier.enable();
311:
312:            } // doSave
313:
314:            /**
315:             * doCancel called when "eventSubmit_doCancel" is in the request parameters to cancel alias edits
316:             */
317:            public void doCancel(RunData data, Context context) {
318:                SessionState state = ((JetspeedRunData) data)
319:                        .getPortletSessionState(((JetspeedRunData) data)
320:                                .getJs_peid());
321:
322:                // get the alias
323:                AliasEdit alias = (AliasEdit) state.getAttribute("alias");
324:                if (alias != null) {
325:                    // if this was a new, delete the alias
326:                    if ("true".equals(state.getAttribute("new"))) {
327:                        // remove
328:                        try {
329:                            AliasService.remove(alias);
330:                        } catch (PermissionException e) {
331:                            addAlert(state, rb.getString("alias.notpermis1")
332:                                    + " " + alias.getId());
333:                        }
334:                    } else {
335:                        AliasService.cancel(alias);
336:                    }
337:                }
338:
339:                // cleanup
340:                state.removeAttribute("alias");
341:                state.removeAttribute("new");
342:
343:                // return to main mode
344:                state.removeAttribute("mode");
345:
346:                // make sure auto-updates are enabled
347:                ObservingCourier courier = (ObservingCourier) state
348:                        .getAttribute(STATE_OBSERVER);
349:                if (courier != null)
350:                    courier.enable();
351:
352:            } // doCancel
353:
354:            /**
355:             * doRemove called when "eventSubmit_doRemove" is in the request parameters to confirm removal of the alias
356:             */
357:            public void doRemove(RunData data, Context context) {
358:                SessionState state = ((JetspeedRunData) data)
359:                        .getPortletSessionState(((JetspeedRunData) data)
360:                                .getJs_peid());
361:
362:                // read the form - if rejected, leave things as they are
363:                if (!readAliasForm(data, state))
364:                    return;
365:
366:                // go to remove confirm mode
367:                state.setAttribute("mode", "confirm");
368:
369:            } // doRemove
370:
371:            /**
372:             * doRemove_confirmed called when "eventSubmit_doRemove_confirmed" is in the request parameters to remove the alias
373:             */
374:            public void doRemove_confirmed(RunData data, Context context) {
375:                SessionState state = ((JetspeedRunData) data)
376:                        .getPortletSessionState(((JetspeedRunData) data)
377:                                .getJs_peid());
378:
379:                // get the alias
380:                AliasEdit alias = (AliasEdit) state.getAttribute("alias");
381:
382:                // remove
383:                try {
384:                    AliasService.remove(alias);
385:                } catch (PermissionException e) {
386:                    addAlert(state, rb.getString("alias.notpermis1") + " "
387:                            + alias.getId());
388:                }
389:
390:                // cleanup
391:                state.removeAttribute("alias");
392:                state.removeAttribute("new");
393:
394:                // go to main mode
395:                state.removeAttribute("mode");
396:
397:                // make sure auto-updates are enabled
398:                ObservingCourier courier = (ObservingCourier) state
399:                        .getAttribute(STATE_OBSERVER);
400:                if (courier != null)
401:                    courier.enable();
402:
403:            } // doRemove_confirmed
404:
405:            /**
406:             * doCancel_remove called when "eventSubmit_doCancel_remove" is in the request parameters to cancel alias removal
407:             */
408:            public void doCancel_remove(RunData data, Context context) {
409:                SessionState state = ((JetspeedRunData) data)
410:                        .getPortletSessionState(((JetspeedRunData) data)
411:                                .getJs_peid());
412:
413:                // return to edit mode
414:                state.setAttribute("mode", "edit");
415:
416:            } // doCancel_remove
417:
418:            /**
419:             * Read the alias form and update the alias in state.
420:             * 
421:             * @return true if the form is accepted, false if there's a validation error (an alertMessage will be set)
422:             */
423:            private boolean readAliasForm(RunData data, SessionState state) {
424:                // read the form
425:                String id = StringUtil.trimToNull(data.getParameters()
426:                        .getString("id"));
427:                String target = StringUtil.trimToNull(data.getParameters()
428:                        .getString("target"));
429:
430:                // get the alias
431:                AliasEdit alias = (AliasEdit) state.getAttribute("alias");
432:
433:                // add if needed
434:                if (alias == null) {
435:                    try {
436:                        // add the alias, getting an edit clone to it
437:                        alias = AliasService.add(id);
438:
439:                        // put the alias in the state
440:                        state.setAttribute("alias", alias);
441:                    } catch (IdUsedException e) {
442:                        addAlert(state, rb.getString("alias.use"));
443:                        return false;
444:                    } catch (IdInvalidException e) {
445:                        addAlert(state, rb.getString("alias.invalid"));
446:                        return false;
447:                    } catch (PermissionException e) {
448:                        addAlert(state, rb.getString("alias.notpermis2"));
449:                        return false;
450:                    }
451:                }
452:
453:                // update
454:                if (alias != null) {
455:                    alias.setTarget(target);
456:                }
457:
458:                return true;
459:
460:            } // readAliasForm
461:
462:            /**
463:             * {@inheritDoc}
464:             */
465:            protected List readResourcesPage(SessionState state, int first,
466:                    int last) {
467:                // search?
468:                String search = StringUtil.trimToNull((String) state
469:                        .getAttribute(STATE_SEARCH));
470:
471:                if (search != null) {
472:                    return AliasService.searchAliases(search, first, last);
473:                }
474:
475:                return AliasService.getAliases(first, last);
476:            }
477:
478:            /**
479:             * {@inheritDoc}
480:             */
481:            protected int sizeResources(SessionState state) {
482:                // search?
483:                String search = StringUtil.trimToNull((String) state
484:                        .getAttribute(STATE_SEARCH));
485:
486:                if (search != null) {
487:                    return AliasService.countSearchAliases(search);
488:                }
489:
490:                return AliasService.countAliases();
491:            }
492:
493:        } // AliasesAction
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