Source Code Cross Referenced for XmlControllerBase.java in  » ERP-CRM-Financial » sakai » org » sakaiproject » metaobj » shared » control » 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.metaobj.shared.control 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*******************************************************************************
002:         * $URL: https://source.sakaiproject.org/svn/metaobj/tags/sakai_2-4-1/metaobj-util/tool-lib/src/java/org/sakaiproject/metaobj/shared/control/XmlControllerBase.java $
003:         * $Id: XmlControllerBase.java 21288 2007-02-10 16:50:07Z john.ellis@rsmart.com $
004:         * **********************************************************************************
005:         *
006:         *  Copyright (c) 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.metaobj.shared.control;
021:
022:        import org.apache.commons.logging.Log;
023:        import org.apache.commons.logging.LogFactory;
024:        import org.springframework.validation.Errors;
025:        import org.springframework.web.servlet.ModelAndView;
026:        import org.sakaiproject.metaobj.shared.model.*;
027:        import org.sakaiproject.metaobj.shared.mgt.HomeFactory;
028:        import org.sakaiproject.metaobj.shared.mgt.StructuredArtifactDefinitionManager;
029:        import org.sakaiproject.metaobj.shared.mgt.home.StructuredArtifactHomeInterface;
030:        import org.sakaiproject.metaobj.shared.mgt.home.ResourceHelperArtifactHome;
031:        import org.sakaiproject.metaobj.shared.FormHelper;
032:        import org.sakaiproject.content.api.*;
033:        import org.sakaiproject.content.cover.ContentHostingService;
034:        import org.sakaiproject.tool.api.ToolSession;
035:        import org.sakaiproject.tool.api.SessionManager;
036:        import org.sakaiproject.entity.api.Reference;
037:        import org.sakaiproject.entity.api.ResourceProperties;
038:        import org.sakaiproject.entity.cover.EntityManager;
039:
040:        import java.util.*;
041:
042:        public class XmlControllerBase {
043:            protected final Log logger = LogFactory.getLog(getClass());
044:            private HomeFactory homeFactory;
045:            private XmlValidator validator = null;
046:            private StructuredArtifactDefinitionManager structuredArtifactDefinitionManager;
047:            private static final String FILE_ATTACHMENTS_FIELD = "org.sakaiproject.metaobj.shared.control.XmlControllerBase.field";
048:
049:            protected ModelAndView handleNonSubmit(ElementBean bean,
050:                    Map request, Map session, Map application, Errors errors) {
051:                return handleNonSubmit(bean, request, session, application,
052:                        errors, new Hashtable());
053:            }
054:
055:            protected ModelAndView handleNonSubmit(ElementBean bean,
056:                    Map request, Map session, Map application, Errors errors,
057:                    Map model) {
058:                if (request.get("backButton") != null) {
059:                    session.remove(EditedArtifactStorage.STORED_ARTIFACT_FLAG);
060:                    session
061:                            .remove(EditedArtifactStorage.EDITED_ARTIFACT_STORAGE_SESSION_KEY);
062:                    return new ModelAndView("back");
063:                }
064:
065:                EditedArtifactStorage sessionBean = (EditedArtifactStorage) session
066:                        .get(EditedArtifactStorage.EDITED_ARTIFACT_STORAGE_SESSION_KEY);
067:
068:                session.put(EditedArtifactStorage.STORED_ARTIFACT_FLAG, "true");
069:
070:                if (sessionBean == null) {
071:                    StructuredArtifact artifact = (StructuredArtifact) bean;
072:                    sessionBean = new EditedArtifactStorage(artifact
073:                            .getCurrentSchema(), artifact);
074:                    session
075:                            .put(
076:                                    EditedArtifactStorage.EDITED_ARTIFACT_STORAGE_SESSION_KEY,
077:                                    sessionBean);
078:                }
079:
080:                if ((request.get("editButton") != null && request.get(
081:                        "editButton").toString().length() > 0)
082:                        || request.get("addButton") != null) {
083:                    handleEditAdd(bean, sessionBean, request, session,
084:                            application, errors);
085:                } else if (request.get("removeButton") != null
086:                        && request.get("removeButton").toString().length() > 0) {
087:                    handleRemove(bean, sessionBean, request, session,
088:                            application, errors);
089:                } else if (request.get("cancelNestedButton") != null) {
090:                    sessionBean.popCurrentElement(true);
091:                    sessionBean.popCurrentPath();
092:                } else if (request.get("updateNestedButton") != null) {
093:                    getValidator().validate(sessionBean.getCurrentElement(),
094:                            errors, true);
095:                    if (errors.hasErrors()) {
096:                        return null;
097:                    }
098:                    sessionBean.popCurrentElement();
099:                    sessionBean.popCurrentPath();
100:                } else if (request.get("fileHelper") != null) {
101:                    return processFileAttachments(request, session, bean,
102:                            errors);
103:                }
104:
105:                model.put(EditedArtifactStorage.STORED_ARTIFACT_FLAG, "true");
106:
107:                if (request.get("parentId") != null) {
108:                    model.put("parentId", getParentId(request));
109:                }
110:                return new ModelAndView("subList", model);
111:            }
112:
113:            protected void handleRemove(ElementBean bean,
114:                    EditedArtifactStorage sessionBean, Map request,
115:                    Map session, Map application, Errors errors) {
116:                ElementListBean parentList = findList(bean, (String) request
117:                        .get("childPath"));
118:                if (parentList == null) {
119:                    bean.remove((String) request.get("childPath"));
120:                } else {
121:                    int removeIndex = Integer.parseInt((String) request
122:                            .get("childIndex"));
123:                    parentList.remove(removeIndex);
124:                }
125:            }
126:
127:            protected void handleEditAdd(ElementBean bean,
128:                    EditedArtifactStorage sessionBean, Map request,
129:                    Map session, Map application, Errors errors) {
130:                // find the individual element in question
131:                ElementListBean parentList = findList(bean, (String) request
132:                        .get("childPath"));
133:                ElementBean newBean = null;
134:
135:                if (parentList == null) {
136:                    newBean = findSubForm(bean, (String) request
137:                            .get("childPath"));
138:                } else if (request.get("editButton") != null
139:                        && request.get("editButton").toString().length() > 0) {
140:                    int index = Integer.parseInt((String) request
141:                            .get("childIndex"));
142:                    newBean = (ElementBean) parentList.get(index);
143:                } else if (request.get("addButton") != null) {
144:                    newBean = parentList.createBlank();
145:                    parentList.add(newBean);
146:                }
147:
148:                sessionBean.pushCurrentElement(newBean);
149:                sessionBean.pushCurrentPath((String) request.get("childPath"));
150:
151:            }
152:
153:            protected ElementListBean findList(ElementBean bean, String path) {
154:                StringTokenizer tok = new StringTokenizer(path, ".");
155:                ElementBean current = bean;
156:
157:                while (tok.hasMoreTokens()) {
158:                    Object obj = current.get(tok.nextToken());
159:                    if (obj instanceof  ElementBean) {
160:                        current = (ElementBean) obj;
161:                    } else if (obj instanceof  ElementListBean) {
162:                        return (ElementListBean) obj;
163:                    }
164:                }
165:
166:                return null;
167:            }
168:
169:            protected ElementBean findSubForm(ElementBean bean, String path) {
170:                StringTokenizer tok = new StringTokenizer(path, ".");
171:                ElementBean current = bean;
172:
173:                while (tok.hasMoreTokens()) {
174:                    Object obj = current.get(tok.nextToken());
175:                    if (obj instanceof  ElementBean) {
176:                        return (ElementBean) obj;
177:                    }
178:                }
179:
180:                return null;
181:            }
182:
183:            protected String getSchemaName(Map session) {
184:                Object schemaName = session
185:                        .get(ResourceEditingHelper.CREATE_SUB_TYPE);
186:
187:                if (schemaName == null) {
188:                    return null;
189:                }
190:                if (schemaName instanceof  String) {
191:                    return (String) schemaName;
192:                } else if (schemaName instanceof  String[]) {
193:                    return ((String[]) schemaName)[0];
194:                } else {
195:                    return schemaName.toString();
196:                }
197:            }
198:
199:            protected StructuredArtifactHomeInterface getSchema(Map session) {
200:                if (session.get(FormHelper.PREVIEW_HOME_TAG) != null) {
201:                    return getStructuredArtifactDefinitionManager()
202:                            .convertToHome(
203:                                    (StructuredArtifactDefinitionBean) session
204:                                            .get(FormHelper.PREVIEW_HOME_TAG));
205:                } else if (session.get(ResourceToolAction.ACTION_PIPE) != null) {
206:                    ResourceToolActionPipe pipe = (ResourceToolActionPipe) session
207:                            .get(ResourceToolAction.ACTION_PIPE);
208:                    String schemaName = getSchemaName(session);
209:                    if (schemaName == null) {
210:                        ContentEntity entity = pipe.getContentEntity();
211:                        schemaName = (String) entity.getProperties().get(
212:                                ResourceProperties.PROP_STRUCTOBJ_TYPE);
213:                    }
214:
215:                    StructuredArtifactHomeInterface home = (StructuredArtifactHomeInterface) getHomeFactory()
216:                            .getHome(schemaName);
217:                    return new ResourceHelperArtifactHome(home, pipe);
218:                } else {
219:                    return (StructuredArtifactHomeInterface) getHomeFactory()
220:                            .getHome(getSchemaName(session));
221:                }
222:            }
223:
224:            protected String getParentId(Map request) {
225:                Object parentId = request.get("parentId");
226:
227:                if (parentId instanceof  String) {
228:                    return (String) parentId;
229:                } else if (parentId instanceof  String[]) {
230:                    return ((String[]) parentId)[0];
231:                } else {
232:                    return parentId.toString();
233:                }
234:            }
235:
236:            public HomeFactory getHomeFactory() {
237:                return homeFactory;
238:            }
239:
240:            public void setHomeFactory(HomeFactory homeFactory) {
241:                this .homeFactory = homeFactory;
242:            }
243:
244:            public XmlValidator getValidator() {
245:                return validator;
246:            }
247:
248:            public void setValidator(XmlValidator validator) {
249:                this .validator = validator;
250:            }
251:
252:            public boolean isCancel(Map request) {
253:                return request.get("cancelNestedButton") != null;
254:            }
255:
256:            public ModelAndView processCancel(Map request, Map session,
257:                    Map application, Object command, Errors errors)
258:                    throws Exception {
259:                return handleNonSubmit((ElementBean) command, request, session,
260:                        application, errors);
261:            }
262:
263:            public ModelAndView processFileAttachments(Map request,
264:                    Map session, ElementBean currentBean, Errors errors) {
265:                String fieldName = (String) request.get("childPath");
266:                session.put(FILE_ATTACHMENTS_FIELD, fieldName);
267:
268:                //ToolSession toolSession = getSessionManager().getCurrentToolSession();
269:                List attachmentRefs = new ArrayList();
270:
271:                session.put(FilePickerHelper.FILE_PICKER_MAX_ATTACHMENTS,
272:                        FilePickerHelper.CARDINALITY_SINGLE);
273:                if (List.class.isAssignableFrom(currentBean.getType(fieldName))) {
274:                    LimitedList currentIds = (LimitedList) currentBean
275:                            .get(fieldName);
276:                    attachmentRefs.addAll(convertToRefList(currentIds));
277:                    session.put(FilePickerHelper.FILE_PICKER_MAX_ATTACHMENTS,
278:                            currentIds.getUpperLimit());
279:                } else if (currentBean.get(fieldName) != null) {
280:                    attachmentRefs.add(convertToRef(currentBean.get(fieldName)
281:                            .toString()));
282:                }
283:
284:                session.put(FilePickerHelper.FILE_PICKER_ATTACHMENTS,
285:                        attachmentRefs);
286:                session.put(FilePickerHelper.START_HELPER, "true");
287:
288:                return new ModelAndView("fileHelper");
289:            }
290:
291:            public void retrieveFileAttachments(Map request, Map session,
292:                    ElementBean currentBean) {
293:                String fieldName = (String) session.get(FILE_ATTACHMENTS_FIELD);
294:
295:                if (session.get(FilePickerHelper.FILE_PICKER_CANCEL) == null
296:                        && session
297:                                .get(FilePickerHelper.FILE_PICKER_ATTACHMENTS) != null) {
298:
299:                    List refs = (List) session
300:                            .get(FilePickerHelper.FILE_PICKER_ATTACHMENTS);
301:                    List ids = convertRefs(refs);
302:                    // we may convert later, for now, leave backward compatible.
303:                    // convertToGuidList(refs);
304:
305:                    if (List.class.isAssignableFrom(currentBean
306:                            .getType(fieldName))) {
307:                        List refList = (List) currentBean.get(fieldName);
308:                        refList.clear();
309:                        refList.addAll(ids);
310:                    } else {
311:                        if (refs.size() > 0) {
312:                            currentBean.put(fieldName, ids.get(0));
313:                        } else {
314:                            currentBean.put(fieldName, "");
315:                        }
316:                    }
317:                }
318:
319:                session.remove(FilePickerHelper.FILE_PICKER_ATTACHMENTS);
320:                session.remove(FilePickerHelper.FILE_PICKER_CANCEL);
321:            }
322:
323:            protected List convertRefs(List refs) {
324:                List ret = new ArrayList();
325:                for (Iterator<Reference> i = refs.iterator(); i.hasNext();) {
326:                    ret.add(convertRef(i.next()));
327:                }
328:                return ret;
329:            }
330:
331:            protected String convertRef(Reference reference) {
332:                return reference.getId();
333:            }
334:
335:            /**
336:             * not currently used... will use if we move to storing id rather than ref in the
337:             * xml form data
338:             * @param refs
339:             * @return list of converted guids
340:             */
341:            protected List convertToGuidList(List refs) {
342:                List idList = new ArrayList();
343:
344:                for (Iterator i = refs.iterator(); i.hasNext();) {
345:                    Reference ref = (Reference) i.next();
346:
347:                    idList.add(ContentHostingService.getUuid(ref.getId()));
348:                }
349:
350:                return idList;
351:            }
352:
353:            /**
354:             * @param id string
355:             * @return ref
356:             */
357:            protected Reference convertToRef(String id) {
358:                return EntityManager.newReference(ContentHostingService
359:                        .getReference(id));
360:            }
361:
362:            /**
363:             * @param refs
364:             * @return list of refs
365:             */
366:            protected List convertToRefList(List refs) {
367:                List refList = new ArrayList();
368:
369:                for (Iterator<ElementBean> i = refs.iterator(); i.hasNext();) {
370:                    refList.add(convertToRef(i.next().getBaseElement()
371:                            .getTextTrim()));
372:                }
373:
374:                return refList;
375:            }
376:
377:            public StructuredArtifactDefinitionManager getStructuredArtifactDefinitionManager() {
378:                return structuredArtifactDefinitionManager;
379:            }
380:
381:            public void setStructuredArtifactDefinitionManager(
382:                    StructuredArtifactDefinitionManager structuredArtifactDefinitionManager) {
383:                this.structuredArtifactDefinitionManager = structuredArtifactDefinitionManager;
384:            }
385:
386:        }
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