Source Code Cross Referenced for podHomeBean.java in  » ERP-CRM-Financial » sakai » org » sakaiproject » tool » podcasts » 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.tool.podcasts 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


0001:        /**********************************************************************************
0002:         * $URL: https://source.sakaiproject.org/svn/podcasts/tags/sakai_2-4-1/podcasts-app/src/java/org/sakaiproject/tool/podcasts/podHomeBean.java $
0003:         * $Id: podHomeBean.java 28734 2007-04-12 01:07:21Z ajpoland@iupui.edu $
0004:         ***********************************************************************************
0005:         *
0006:         * Copyright (c) 2003, 2004, 2005, 2006 The Sakai Foundation.
0007:         * 
0008:         * Licensed under the Educational Community License, Version 1.0 (the "License"); 
0009:         * you may not use this file except in compliance with the License. 
0010:         * You may obtain a copy of the License at
0011:         * 
0012:         *      http://www.opensource.org/licenses/ecl1.php
0013:         * 
0014:         * Unless required by applicable law or agreed to in writing, software 
0015:         * distributed under the License is distributed on an "AS IS" BASIS, 
0016:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
0017:         * See the License for the specific language governing permissions and 
0018:         * limitations under the License.
0019:         *
0020:         **********************************************************************************/package org.sakaiproject.tool.podcasts;
0021:
0022:        import java.io.BufferedInputStream;
0023:        import java.io.IOException;
0024:        import java.text.DecimalFormat;
0025:        import java.text.ParseException;
0026:        import java.text.SimpleDateFormat;
0027:        import java.util.ArrayList;
0028:        import java.util.Collection;
0029:        import java.util.Date;
0030:        import java.util.HashMap;
0031:        import java.util.Iterator;
0032:        import java.util.List;
0033:        import java.util.Locale;
0034:        import java.util.Map;
0035:        import java.util.ResourceBundle;
0036:        import java.util.TimeZone;
0037:
0038:        import javax.faces.application.FacesMessage;
0039:        import javax.faces.component.UIComponent;
0040:        import javax.faces.context.ExternalContext;
0041:        import javax.faces.context.FacesContext;
0042:        import javax.faces.event.AbortProcessingException;
0043:        import javax.faces.event.ActionEvent;
0044:        import javax.faces.event.PhaseId;
0045:        import javax.faces.event.ValueChangeEvent;
0046:        import javax.faces.model.SelectItem;
0047:
0048:        import org.apache.commons.fileupload.FileItem;
0049:        import org.apache.commons.logging.Log;
0050:        import org.apache.commons.logging.LogFactory;
0051:        import org.sakaiproject.api.app.podcasts.PodcastService;
0052:        import org.sakaiproject.authz.api.PermissionsHelper;
0053:        import org.sakaiproject.authz.cover.FunctionManager;
0054:        import org.sakaiproject.component.cover.ServerConfigurationService;
0055:        import org.sakaiproject.content.api.ContentResource;
0056:        import org.sakaiproject.entity.api.Entity;
0057:        import org.sakaiproject.entity.api.EntityPropertyNotDefinedException;
0058:        import org.sakaiproject.entity.api.EntityPropertyTypeException;
0059:        import org.sakaiproject.entity.api.ResourceProperties;
0060:        import org.sakaiproject.exception.IdInvalidException;
0061:        import org.sakaiproject.exception.IdLengthException;
0062:        import org.sakaiproject.exception.IdUniquenessException;
0063:        import org.sakaiproject.exception.IdUnusedException;
0064:        import org.sakaiproject.exception.IdUsedException;
0065:        import org.sakaiproject.exception.InUseException;
0066:        import org.sakaiproject.exception.InconsistentException;
0067:        import org.sakaiproject.exception.OverQuotaException;
0068:        import org.sakaiproject.exception.PermissionException;
0069:        import org.sakaiproject.exception.ServerOverloadException;
0070:        import org.sakaiproject.site.api.Site;
0071:        import org.sakaiproject.site.api.SitePage;
0072:        import org.sakaiproject.site.cover.SiteService;
0073:        import org.sakaiproject.time.api.Time;
0074:        import org.sakaiproject.time.cover.TimeService;
0075:        import org.sakaiproject.tool.cover.ToolManager;
0076:        import org.sakaiproject.util.Validator;
0077:
0078:        public class podHomeBean {
0079:
0080:            // Message Bundle handles
0081:            private static final String QUOTA_ALERT = "quota_alert";
0082:            private static final String LENGTH_ALERT = "length_alert";
0083:            private static final String PERMISSION_ALERT = "permission_alert";
0084:            private static final String INTERNAL_ERROR_ALERT = "internal_error_alert";
0085:            private static final String ID_UNUSED_ALERT = "id_unused_alert";
0086:            private static final String ID_INVALID_ALERT = "id_invalid_alert";
0087:            private static final String IO_ALERT = "io_alert";
0088:            private static final String ID_USED_ALERT = "id_used_alert";
0089:
0090:            // Patterns for Date and Number formatting
0091:            private static final String PUBLISH_DATE_FORMAT = "publish_date_format";
0092:            private static final String DATE_PICKER_FORMAT = "date_picker_format";
0093:            private static final String DATE_BY_HAND_FORMAT = "date_by_hand_format";
0094:            private static final String INTERNAL_DATE_FORMAT = "internal_date_format";
0095:
0096:            private static final String LAST_MODIFIED_TIME_FORMAT = "hh:mm a z";
0097:            private static final String LAST_MODIFIED_DATE_FORMAT = "MM/dd/yyyy";
0098:
0099:            // error handling variables
0100:            private boolean displayNoFileErrMsg = false;
0101:            private boolean displayNoDateErrMsg = false;
0102:            private boolean displayNoTitleErrMsg = false;
0103:            private boolean displayInvalidDateErrMsg = false;
0104:
0105:            /**
0106:             * Bean to store information about a single podcast.
0107:             * Used by main page to display and to store which
0108:             * podcast is to be Revised or Deleted.
0109:             *  
0110:             * @author josephrodriguez
0111:             */
0112:            public class DecoratedPodcastBean {
0113:
0114:                private String resourceId;
0115:                private String filename;
0116:                private long fileSize;
0117:                private String displayDate;
0118:                private String displayDateRevise;
0119:                private String title;
0120:                private String description;
0121:                private String size;
0122:                private String type;
0123:                private String postedTime;
0124:                private String postedDate;
0125:                private String author;
0126:                private String fileURL;
0127:                private String newWindow;
0128:                private String fileContentType;
0129:
0130:                public DecoratedPodcastBean() {
0131:
0132:                }
0133:
0134:                public String getDescription() {
0135:                    return description;
0136:                }
0137:
0138:                public void setDescription(String decsription) {
0139:                    this .description = decsription;
0140:                }
0141:
0142:                public String getDisplayDate() {
0143:                    return displayDate;
0144:                }
0145:
0146:                /**
0147:                 * @param displayDateRevise The displayDateRevise to set.
0148:                 */
0149:                public void setDisplayDateRevise(String displayDateRevise) {
0150:                    this .displayDateRevise = displayDateRevise;
0151:                }
0152:
0153:                /** Returns the revised display date for this podcast **/
0154:                public String getDisplayDateRevise() {
0155:                    String dispDate = null;
0156:
0157:                    if (displayDateRevise == null) {
0158:                        dispDate = displayDate;
0159:                    } else {
0160:                        dispDate = displayDateRevise;
0161:                    }
0162:
0163:                    SimpleDateFormat formatter = new SimpleDateFormat(
0164:                            getErrorMessageString(DATE_BY_HAND_FORMAT));
0165:                    formatter.setTimeZone(TimeService.getLocalTimeZone());
0166:
0167:                    try {
0168:                        Date tempDate = convertDateString(dispDate,
0169:                                getErrorMessageString(PUBLISH_DATE_FORMAT));
0170:
0171:                        return formatter.format(tempDate);
0172:
0173:                    } catch (ParseException e) {
0174:                        // since revising, only log error if malformed date and not just blank
0175:                        if (!"".equals(dispDate)) {
0176:                            LOG
0177:                                    .error("ParseException while rendering Revise Podcast page. ");
0178:                        }
0179:                    }
0180:
0181:                    return dispDate;
0182:
0183:                }
0184:
0185:                public void setDisplayDate(String displayDate) {
0186:                    this .displayDate = displayDate;
0187:                }
0188:
0189:                public String getFilename() {
0190:                    return filename;
0191:                }
0192:
0193:                public void setFilename(String filename) {
0194:                    this .filename = filename;
0195:                }
0196:
0197:                /** Returns the size (as a formatted String) for this podcast's file **/
0198:                public String getSize() {
0199:                    return size;
0200:                }
0201:
0202:                /** Sets the size (as a formatted String) for this podcast's file **/
0203:                public void setSize(String size) {
0204:                    this .size = size;
0205:                }
0206:
0207:                public String getTitle() {
0208:                    return title;
0209:                }
0210:
0211:                public void setTitle(String title) {
0212:                    this .title = title;
0213:                }
0214:
0215:                /** Returns this podcast's content MIME type ***/
0216:                public String getType() {
0217:                    return type;
0218:                }
0219:
0220:                /** Sets this podcast's content MIME type ***/
0221:                public void setType(String type) {
0222:                    this .type = type;
0223:                }
0224:
0225:                public String getPostedTime() {
0226:                    return postedTime;
0227:                }
0228:
0229:                public void setPostedTime(String postedTime) {
0230:                    this .postedTime = postedTime;
0231:                }
0232:
0233:                public String getPostedDate() {
0234:                    return postedDate;
0235:                }
0236:
0237:                public void setPostedDate(String postedDate) {
0238:                    this .postedDate = postedDate;
0239:                }
0240:
0241:                public String getAuthor() {
0242:                    return author;
0243:                }
0244:
0245:                public void setAuthor(String author) {
0246:                    this .author = author;
0247:                }
0248:
0249:                public String getResourceId() {
0250:                    return resourceId;
0251:                }
0252:
0253:                public void setResourceId(String resourceId) {
0254:                    this .resourceId = resourceId;
0255:                }
0256:
0257:                public long getFileSize() {
0258:                    return fileSize;
0259:                }
0260:
0261:                public void setFileSize(long fileSize) {
0262:                    this .fileSize = fileSize;
0263:                }
0264:
0265:                /**
0266:                 * Returns the file URL for the podcast. If errors, return empty
0267:                 * string.
0268:                 */
0269:                public String getFileURL() {
0270:                    try {
0271:                        return podcastService.getPodcastFileURL(resourceId);
0272:
0273:                    } catch (PermissionException e) {
0274:                        LOG.info("PermissionException getting file URL for "
0275:                                + resourceId
0276:                                + "while displaying podcast file for site "
0277:                                + podcastService.getSiteId());
0278:                        setErrorMessage(PERMISSION_ALERT);
0279:
0280:                    } catch (IdUnusedException e) {
0281:                        LOG.info("IdUnusedException getting file URL for "
0282:                                + resourceId
0283:                                + " while displaying podcast file for site "
0284:                                + podcastService.getSiteId());
0285:                        setErrorMessage(ID_UNUSED_ALERT);
0286:
0287:                    }
0288:
0289:                    return "";
0290:                }
0291:
0292:                public void setFileURL(String fileURL) {
0293:                    this .fileURL = fileURL;
0294:                }
0295:
0296:                /**
0297:                 * Returns a value to determine if file should be opened in same
0298:                 * window or a new one. _self means open in same window, _blank
0299:                 * means open in a new window. If this resource is not a file,
0300:                 * it will return an empty string.
0301:                 * 
0302:                 * @return String
0303:                 * 			Returns either '_self' or '_blank' ('' if not a file)
0304:                 */
0305:                public String getNewWindow() {
0306:                    return Validator.getResourceTarget(fileContentType);
0307:                }
0308:
0309:                public void setNewWindow(String newWindow) {
0310:                    this .newWindow = newWindow;
0311:                }
0312:
0313:                public String getFileContentType() {
0314:                    return fileContentType;
0315:                }
0316:
0317:                public void setFileContentType(String fileContentType) {
0318:                    this .fileContentType = fileContentType;
0319:                }
0320:
0321:            } // end of DecoratedPodcastBean
0322:
0323:            // ====================== End of DecoratedPodcastBean ====================== // 
0324:
0325:            // podHomeBean constants
0326:            private static final String NO_RESOURCES_ERR_MSG = "no_resource_alert";
0327:            private static final String NO_RESOURCES_ERR_MSG2 = "no_resource_alert2";
0328:            private static final String RESOURCEID = "resourceId";
0329:            private static final String FEED_URL_MIDDLE = "podcasts/site/";
0330:            private static final String MB = "MB";
0331:            private static final String BYTES = "Bytes";
0332:
0333:            private static final String MB_NUMBER_FORMAT = "#.#";
0334:            private static final String BYTE_NUMBER_FORMAT = "#,###";
0335:
0336:            // For date String conversion
0337:            private static final Map monStrings;
0338:
0339:            static {
0340:                monStrings = new HashMap();
0341:
0342:                monStrings.put("Jan", "January");
0343:                monStrings.put("Feb", "February");
0344:                monStrings.put("Mar", "March");
0345:                monStrings.put("Apr", "April");
0346:                monStrings.put("Jun", "June");
0347:                monStrings.put("Jul", "July");
0348:                monStrings.put("Aug", "August");
0349:                monStrings.put("Sep", "September");
0350:                monStrings.put("Oct", "October");
0351:                monStrings.put("Nov", "November");
0352:                monStrings.put("Dec", "December");
0353:            }
0354:
0355:            // configurable toolId for Resources tool check
0356:            private String RESOURCE_TOOL_ID = ServerConfigurationService
0357:                    .getString("podcasts.toolid", "sakai.resources");
0358:
0359:            /** Used to pull message bundle */
0360:            private final String MESSAGE_BUNDLE = "org.sakaiproject.api.podcasts.bundle.Messages";
0361:
0362:            // inject the services needed
0363:            private PodcastService podcastService;
0364:
0365:            private Log LOG = LogFactory.getLog(podHomeBean.class);
0366:
0367:            // variables to hold miscellanous information
0368:            private List contents;
0369:            private String URL;
0370:            private DecoratedPodcastBean selectedPodcast;
0371:
0372:            // used by podAdd.jsp for adding a podcast
0373:            private String filename = "";
0374:            private String date = "";
0375:            private String title;
0376:            private String description;
0377:            private String email;
0378:            private long fileSize = 0;
0379:            private String fileContentType;
0380:            private BufferedInputStream fileAsStream;
0381:
0382:            // FUTURE: Will be used to implement Email notifications
0383:            private SelectItem[] emailItems = {
0384:                    new SelectItem("none", "None - No notification"),
0385:                    new SelectItem("low",
0386:                            "Low - Only participants who have opted in"),
0387:                    new SelectItem("high", "High - All participants") };
0388:
0389:            public podHomeBean() {
0390:            }
0391:
0392:            /**
0393:             * Determines if Resource tool part of the site. Needed to store podcasts.
0394:             */
0395:            public boolean getResourceToolExists() {
0396:                boolean resourceToolExists = false;
0397:
0398:                try {
0399:                    //
0400:                    // Get a list of tool ids and see if RESOURCE_TOOL_ID is in the returned Collection			
0401:                    LOG
0402:                            .debug("Checking for presence of Sakai Resources tool using RESOURCE_TOOL_ID = "
0403:                                    + RESOURCE_TOOL_ID);
0404:                    Site this Site = SiteService.getSite(ToolManager
0405:                            .getCurrentPlacement().getContext());
0406:
0407:                    Collection toolsInSite = this Site
0408:                            .getTools(RESOURCE_TOOL_ID);
0409:
0410:                    if (!toolsInSite.isEmpty()) {
0411:                        resourceToolExists = true;
0412:                    }
0413:                } catch (IdUnusedException e) {
0414:                    LOG
0415:                            .error("No Site found while trying to check if site has Resources tool.");
0416:
0417:                    // Only want to display this message if they are instructors or administrators
0418:                    // so if student say it exists
0419:                    if (getCanUpdateSite()) {
0420:                        FacesContext
0421:                                .getCurrentInstance()
0422:                                .addMessage(
0423:                                        null,
0424:                                        new FacesMessage(
0425:                                                "Alert: "
0426:                                                        + getErrorMessageString(NO_RESOURCES_ERR_MSG)
0427:                                                        + ToolManager
0428:                                                                .getTool(
0429:                                                                        RESOURCE_TOOL_ID)
0430:                                                                .getTitle()
0431:                                                        + " "
0432:                                                        + getErrorMessageString(NO_RESOURCES_ERR_MSG2)));
0433:                    }
0434:                }
0435:
0436:                // Since multiple checks for this, only want to set the message the first time
0437:                if (!resourceToolExists
0438:                        && (!FacesContext.getCurrentInstance().getMessages()
0439:                                .hasNext())) {
0440:
0441:                    if (getCanUpdateSite()) {
0442:                        FacesContext
0443:                                .getCurrentInstance()
0444:                                .addMessage(
0445:                                        null,
0446:                                        new FacesMessage(
0447:                                                "Alert: "
0448:                                                        + getErrorMessageString(NO_RESOURCES_ERR_MSG)
0449:                                                        + ToolManager
0450:                                                                .getTool(
0451:                                                                        RESOURCE_TOOL_ID)
0452:                                                                .getTitle()
0453:                                                        + " "
0454:                                                        + getErrorMessageString(NO_RESOURCES_ERR_MSG2)));
0455:                    }
0456:                }
0457:
0458:                return resourceToolExists;
0459:            }
0460:
0461:            /**
0462:             * Passes an error message to the Spring framework to display on page.
0463:             * 
0464:             * @param alertMsg
0465:             *            The key to get the message from the message bundle
0466:             */
0467:            private void setErrorMessage(String alertMsg) {
0468:                FacesContext.getCurrentInstance().addMessage(
0469:                        null,
0470:                        new FacesMessage("Alert: "
0471:                                + getErrorMessageString(alertMsg)));
0472:            }
0473:
0474:            /**
0475:             * Determines if the podcast folder exists. If it does not, it will attempt
0476:             * to create it.
0477:             * 
0478:             * @return boolean
0479:             * 				TRUE if folder exists, FALSE otherwise.
0480:             */
0481:            public boolean getPodcastFolderExists() {
0482:                boolean podcastFolderExists = false;
0483:
0484:                if (getResourceToolExists()) {
0485:                    // we know resources tool exists, but need to know if podcast folder
0486:                    // does
0487:                    try {
0488:                        podcastFolderExists = podcastService
0489:                                .checkPodcastFolder();
0490:
0491:                    } catch (InUseException e) {
0492:                        LOG
0493:                                .info("InUseException while attempting to determine if podcast folder exists."
0494:                                        + " for site "
0495:                                        + podcastService.getSiteId());
0496:                        setErrorMessage(INTERNAL_ERROR_ALERT);
0497:
0498:                    } catch (PermissionException e) {
0499:                        LOG
0500:                                .warn("PermissionException while attempting to determine if podcast folder exists."
0501:                                        + " for site "
0502:                                        + podcastService.getSiteId());
0503:                        setErrorMessage(PERMISSION_ALERT);
0504:
0505:                    }
0506:                } else if (!getCanUpdateSite()) {
0507:                    // Resources tool does not exist but for students
0508:                    // say true to get "There are no podcasts..." message instead of
0509:                    // error
0510:                    podcastFolderExists = true;
0511:                }
0512:
0513:                return podcastFolderExists;
0514:            }
0515:
0516:            /**
0517:             * Returns the URL to point your podcatcher to in order to grab the feed.
0518:             * 
0519:             * @return String 
0520:             * 				The feed URL.
0521:             */
0522:            public String getURL() {
0523:                URL = ServerConfigurationService.getServerUrl()
0524:                        + Entity.SEPARATOR + FEED_URL_MIDDLE
0525:                        + podcastService.getSiteId();
0526:                return URL;
0527:            }
0528:
0529:            /**
0530:             * Used to inject the podcast service into this bean.
0531:             * 
0532:             * @param podcastService
0533:             * 				The podcast service this bean needs
0534:             */
0535:            public void setPodcastService(PodcastService podcastService) {
0536:                this .podcastService = podcastService;
0537:            }
0538:
0539:            /**
0540:             * Gets a particular podcast and packages it as a DecoratedPodcastBean
0541:             * 
0542:             * @param podcastProperties
0543:             *            Contains the ResourceProperties object of a podcast resource
0544:             * @param resourceId
0545:             *            The resource ID for the podcast
0546:             *            
0547:             * @return DecoratedPodcastBean 
0548:             * 			The packaged podcast or null and exception if problems
0549:             * 
0550:             * @throws EntityPropertyNotDefinedException
0551:             * 			The property wanted was not found
0552:             * @throws EntityPropertyTypeException
0553:             * 			The property (Date/Time) was not a valid one
0554:             */
0555:            public DecoratedPodcastBean getAPodcast(
0556:                    ResourceProperties podcastProperties, String resourceId)
0557:                    throws EntityPropertyNotDefinedException,
0558:                    EntityPropertyTypeException {
0559:
0560:                DecoratedPodcastBean podcastInfo = new DecoratedPodcastBean();
0561:
0562:                // store resourceId
0563:                podcastInfo.setResourceId(resourceId);
0564:
0565:                // store Title and Description
0566:                podcastInfo
0567:                        .setTitle(podcastProperties
0568:                                .getPropertyFormatted(ResourceProperties.PROP_DISPLAY_NAME));
0569:                podcastInfo
0570:                        .setDescription(podcastProperties
0571:                                .getPropertyFormatted(ResourceProperties.PROP_DESCRIPTION));
0572:
0573:                Date tempDate = null;
0574:                final SimpleDateFormat formatter = new SimpleDateFormat(
0575:                        getErrorMessageString(PUBLISH_DATE_FORMAT));
0576:                formatter.setTimeZone(TimeService.getLocalTimeZone());
0577:
0578:                tempDate = podcastService
0579:                        .getGMTdate(podcastProperties.getTimeProperty(
0580:                                PodcastService.DISPLAY_DATE).getTime());
0581:
0582:                podcastInfo.setDisplayDate(formatter.format(tempDate));
0583:
0584:                final String filename = podcastProperties
0585:                        .getProperty(ResourceProperties.PROP_ORIGINAL_FILENAME);
0586:
0587:                // if user puts URL instead of file, this is result
0588:                // of retrieving filename
0589:                if (filename == null)
0590:                    return null;
0591:
0592:                podcastInfo.setFilename(filename);
0593:
0594:                // get content type
0595:                podcastInfo.setFileContentType(podcastProperties
0596:                        .getProperty(ResourceProperties.PROP_CONTENT_TYPE));
0597:
0598:                // store actual and formatted file size
0599:                // determine whether to display filesize as bytes or MB
0600:                long size = Long.parseLong(podcastProperties
0601:                        .getProperty(ResourceProperties.PROP_CONTENT_LENGTH));
0602:                podcastInfo.setFileSize(size);
0603:
0604:                double sizeMB = size / (1024.0 * 1024.0);
0605:                DecimalFormat df = new DecimalFormat(MB_NUMBER_FORMAT);
0606:                String sizeString;
0607:                if (sizeMB > 0.3) {
0608:                    sizeString = df.format(sizeMB) + MB;
0609:                } else {
0610:                    df.applyPattern(BYTE_NUMBER_FORMAT);
0611:                    sizeString = "" + df.format(size) + " " + BYTES;
0612:                }
0613:                podcastInfo.setSize(sizeString);
0614:
0615:                final String extn = Validator.getFileExtension(filename);
0616:                if (extn != "") {
0617:                    podcastInfo.setType(Validator.getFileExtension(filename)
0618:                            .toUpperCase());
0619:
0620:                } else {
0621:                    podcastInfo.setType("UNK");
0622:
0623:                }
0624:
0625:                // get and format last modified time
0626:                formatter.applyPattern(LAST_MODIFIED_TIME_FORMAT);
0627:
0628:                tempDate = new Date(podcastProperties.getTimeProperty(
0629:                        ResourceProperties.PROP_MODIFIED_DATE).getTime());
0630:
0631:                podcastInfo.setPostedTime(formatter.format(tempDate));
0632:
0633:                // get and format last modified date
0634:                formatter.applyPattern(LAST_MODIFIED_DATE_FORMAT);
0635:
0636:                tempDate = new Date(podcastProperties.getTimeProperty(
0637:                        ResourceProperties.PROP_MODIFIED_DATE).getTime());
0638:
0639:                podcastInfo.setPostedDate(formatter.format(tempDate));
0640:
0641:                // get author
0642:                podcastInfo.setAuthor(podcastProperties
0643:                        .getPropertyFormatted(ResourceProperties.PROP_CREATOR));
0644:
0645:                return podcastInfo;
0646:            }
0647:
0648:            /**
0649:             * Construct a List of DecoratedPodcastBeans for display on main page
0650:             * 
0651:             * @return List
0652:             * 			List of DecoratedPodcastBeans that are the podcasts
0653:             */
0654:            public List getContents() {
0655:                try {
0656:                    contents = podcastService.getPodcasts();
0657:
0658:                    // if cannot update site (ie, student) only display published
0659:                    // podcasts
0660:                    if (!podcastService.canUpdateSite(podcastService
0661:                            .getSiteId())) {
0662:                        contents = podcastService.filterPodcasts(contents);
0663:
0664:                    }
0665:
0666:                } catch (PermissionException e) {
0667:                    LOG
0668:                            .warn("PermissionException getting podcasts for display in site "
0669:                                    + podcastService.getSiteId()
0670:                                    + ". "
0671:                                    + e.getMessage());
0672:                    setErrorMessage(PERMISSION_ALERT);
0673:
0674:                } catch (InUseException e) {
0675:                    LOG
0676:                            .warn("InUseException while getting podcasts for display"
0677:                                    + podcastService.getSiteId()
0678:                                    + ". "
0679:                                    + e.getMessage());
0680:                    setErrorMessage(INTERNAL_ERROR_ALERT);
0681:
0682:                } catch (IdInvalidException e) {
0683:                    LOG
0684:                            .error("IdInvalidException while getting podcasts for display "
0685:                                    + podcastService.getSiteId()
0686:                                    + ". "
0687:                                    + e.getMessage());
0688:                    setErrorMessage(ID_INVALID_ALERT);
0689:
0690:                } catch (InconsistentException e) {
0691:                    LOG
0692:                            .error("InconsistentException while getting podcasts for display "
0693:                                    + podcastService.getSiteId()
0694:                                    + ". "
0695:                                    + e.getMessage());
0696:                    setErrorMessage(INTERNAL_ERROR_ALERT);
0697:
0698:                    return null;
0699:
0700:                } catch (IdUsedException e) {
0701:                    LOG
0702:                            .warn("IdUsedException while gettting podcasts for display "
0703:                                    + podcastService.getSiteId()
0704:                                    + ". "
0705:                                    + e.getMessage());
0706:                    setErrorMessage(ID_UNUSED_ALERT);
0707:
0708:                }
0709:
0710:                // create local List of DecoratedBeans
0711:                ArrayList decoratedPodcasts = new ArrayList();
0712:
0713:                if (contents != null) {
0714:                    Iterator podcastIter = contents.iterator();
0715:
0716:                    // for each bean
0717:                    while (podcastIter.hasNext()) {
0718:                        try {
0719:                            // get its properties from ContentHosting
0720:                            ContentResource podcastResource = (ContentResource) podcastIter
0721:                                    .next();
0722:                            ResourceProperties podcastProperties = podcastResource
0723:                                    .getProperties();
0724:
0725:                            // Create a new decorated bean to store the info
0726:                            DecoratedPodcastBean podcastInfo = getAPodcast(
0727:                                    podcastProperties, podcastResource.getId());
0728:
0729:                            // add it to the List to send to the page
0730:                            // if URL, will return null so skip it
0731:                            if (podcastInfo != null)
0732:                                decoratedPodcasts.add(podcastInfo);
0733:
0734:                            // get the next podcast if it exists
0735:                        } catch (EntityPropertyNotDefinedException e) {
0736:                            LOG
0737:                                    .error("EntityPropertyNotDefinedException while creating DecoratedPodcastBean "
0738:                                            + " for site "
0739:                                            + podcastService.getSiteId()
0740:                                            + ". SKIPPING..." + e.getMessage());
0741:
0742:                        } catch (EntityPropertyTypeException e) {
0743:                            LOG
0744:                                    .error("EntityPropertyTypeException while creating DecoratedPodcastBean "
0745:                                            + " for site "
0746:                                            + podcastService.getSiteId()
0747:                                            + ". SKIPPING..." + e.getMessage());
0748:
0749:                        }
0750:
0751:                    }
0752:
0753:                }
0754:
0755:                return decoratedPodcasts;
0756:            }
0757:
0758:            /**
0759:             * Resources/podcasts exists, but are there any actual podcasts
0760:             * 
0761:             * @return boolean
0762:             * 				TRUE if there are podcasts, FALSE otherwise
0763:             */
0764:            public boolean getActPodcastsExist() {
0765:                boolean actPodcastsExist = false;
0766:
0767:                // if student on site that has Podcasts but no Resources, want "There are no..."
0768:                if (!getResourceToolExists() && !podcastService.canUpdateSite()) {
0769:                    return false;
0770:                }
0771:
0772:                if (!getPodcastFolderExists()) {
0773:                    // if for some reason there is not a podcast folder
0774:                    // for example, was renamed in Resources
0775:                    actPodcastsExist = false;
0776:
0777:                } else {
0778:                    // ask the service if there is anything in the podcast folder
0779:                    try {
0780:                        actPodcastsExist = podcastService
0781:                                .checkForActualPodcasts();
0782:
0783:                    } catch (PermissionException e) {
0784:                        LOG
0785:                                .warn("PermissionException while determining if there are files in the podcast folder "
0786:                                        + " for site "
0787:                                        + podcastService.getSiteId()
0788:                                        + ". "
0789:                                        + e.getMessage());
0790:                        setErrorMessage(PERMISSION_ALERT);
0791:                    }
0792:                }
0793:
0794:                return actPodcastsExist;
0795:            }
0796:
0797:            /**
0798:             * To set the selectedPodcast DecoratedPodcastBean when Revision and
0799:             * Deletion links are clicked (possibly Download also)
0800:             * 
0801:             * @param e
0802:             *            ActionEvent object generated by clicking on a link
0803:             */
0804:            public void podMainListener(ActionEvent e) {
0805:                FacesContext context = FacesContext.getCurrentInstance();
0806:                Map requestParams = context.getExternalContext()
0807:                        .getRequestParameterMap();
0808:                final String resourceId = (String) requestParams
0809:                        .get(RESOURCEID);
0810:
0811:                setPodcastSelected(resourceId);
0812:            }
0813:
0814:            /**
0815:             * Does the actual filling up of the selectedPodcast bean
0816:             * 
0817:             * @param resourceId
0818:             *            Resource ID for the podcast whose link was selected
0819:             */
0820:            public void setPodcastSelected(String resourceId) {
0821:                Iterator podcastIter = contents.iterator();
0822:
0823:                // for each bean
0824:                while (podcastIter.hasNext()) {
0825:                    try {
0826:
0827:                        // get its properties from ContentHosting
0828:                        ContentResource podcastResource = (ContentResource) podcastIter
0829:                                .next();
0830:
0831:                        if (podcastResource.getId().equals(resourceId)) {
0832:                            selectedPodcast = getAPodcast(podcastResource
0833:                                    .getProperties(), podcastResource.getId());
0834:                            break; // found and filled, get out of loop
0835:                        }
0836:
0837:                    } catch (EntityPropertyNotDefinedException e) {
0838:                        LOG
0839:                                .error("EntityPropertyNotDefinedException while attempting to fill selectedPodcast property "
0840:                                        + " for site "
0841:                                        + podcastService.getSiteId()
0842:                                        + ". SKIPPING..." + e.getMessage());
0843:                        throw new Error(e);
0844:
0845:                    } catch (EntityPropertyTypeException e) {
0846:                        LOG
0847:                                .error("EntityPropertyTypeException while attempting to fill selectedPodcast property "
0848:                                        + " for site "
0849:                                        + podcastService.getSiteId()
0850:                                        + ". SKIPPING..." + e.getMessage());
0851:                        throw new Error(e);
0852:
0853:                    }
0854:                }
0855:            }
0856:
0857:            /**
0858:             * Returns the current DecoratedPodcastBean set as selectedPodcast.
0859:             */
0860:            public DecoratedPodcastBean getSelectedPodcast() {
0861:                return selectedPodcast;
0862:            }
0863:
0864:            /**
0865:             * Use to set the selectedPodcast object.
0866:             */
0867:            public void setSelectedPodcast(DecoratedPodcastBean selectedPodcast) {
0868:                this .selectedPodcast = selectedPodcast;
0869:            }
0870:
0871:            public String getFilename() {
0872:                return filename;
0873:            }
0874:
0875:            public void setFilename(String filename) {
0876:                this .filename = filename;
0877:            }
0878:
0879:            public String getDate() {
0880:                return date;
0881:            }
0882:
0883:            public void setDate(String date) {
0884:                this .date = date;
0885:            }
0886:
0887:            public String getTitle() {
0888:                return title;
0889:            }
0890:
0891:            public void setTitle(String title) {
0892:                this .title = title;
0893:            }
0894:
0895:            public String getDescription() {
0896:                return description;
0897:            }
0898:
0899:            public void setDescription(String description) {
0900:                this .description = description;
0901:            }
0902:
0903:            /**
0904:             * FUTURE: To display the possible email notification levels
0905:             * 
0906:             * @return SelectItem []
0907:             * 				List of possible email notification levels
0908:             */
0909:            public SelectItem[] getEmailItems() {
0910:                return emailItems;
0911:            }
0912:
0913:            /**
0914:             * FUTURE: Returns the notification level set by the user
0915:             * 
0916:             * @return String
0917:             * 				Returns the current notification level
0918:             */
0919:            public String getemail() {
0920:                return email;
0921:            }
0922:
0923:            /**
0924:             * FUTURE: Sets the notification level
0925:             * 
0926:             * @param email
0927:             * 			String representing the notification level
0928:             */
0929:            public void setemail(String email) {
0930:                this .email = email;
0931:            }
0932:
0933:            /**
0934:             * Returns boolean if user can update podcasts. Used to display modification
0935:             * options on main page.
0936:             */
0937:            public boolean getCanUpdateSite() {
0938:                return podcastService.canUpdateSite();
0939:            }
0940:
0941:            public boolean getHasReadPerm() {
0942:                if (podcastService.canUpdateSite()) {
0943:                    return true;
0944:                } else if (!getResourceToolExists()) {
0945:                    return false;
0946:                } else {
0947:                    boolean b = podcastService
0948:                            .hasPerm(PodcastService.READ_PERMISSIONS);
0949:                    return b;
0950:                }
0951:            }
0952:
0953:            public boolean getHasNewPerm() {
0954:                if (podcastService.canUpdateSite()) {
0955:                    return true;
0956:                } else if (!getResourceToolExists()) {
0957:                    return false;
0958:                } else {
0959:                    return podcastService
0960:                            .hasPerm(PodcastService.NEW_PERMISSIONS);
0961:                }
0962:            }
0963:
0964:            public boolean getHasReviseAnyPerm() {
0965:                if (podcastService.canUpdateSite()) {
0966:                    return true;
0967:                } else if (!getResourceToolExists()) {
0968:                    return false;
0969:                } else {
0970:                    return podcastService
0971:                            .hasPerm(PodcastService.REVISE_ANY_PERMISSIONS);
0972:                }
0973:            }
0974:
0975:            public boolean getHasReviseOwnPerm() {
0976:                if (podcastService.canUpdateSite()) {
0977:                    return true;
0978:                } else {
0979:                    return podcastService
0980:                            .hasPerm(PodcastService.REVISE_OWN_PERMISSIONS);
0981:                }
0982:            }
0983:
0984:            public boolean getHasDelAnyPerm() {
0985:                if (podcastService.canUpdateSite()) {
0986:                    return true;
0987:                } else {
0988:                    return podcastService
0989:                            .hasPerm(PodcastService.DELETE_ANY_PERMISSIONS);
0990:                }
0991:            }
0992:
0993:            public boolean getHasDelOwnPerm() {
0994:                if (podcastService.canUpdateSite()) {
0995:                    return true;
0996:                } else {
0997:                    return podcastService
0998:                            .hasPerm(PodcastService.DELETE_OWN_PERMISSIONS);
0999:                }
1000:            }
1001:
1002:            public String getUserName() {
1003:                return podcastService.getUserName();
1004:            }
1005:
1006:            /**
1007:             * Creates a BufferedInputStream to get ready to upload file selected. Used
1008:             * by Add Podcast and Revise Podcast pages.
1009:             * 
1010:             * @param event
1011:             *            ValueChangeEvent object generated by selecting a file to
1012:             *            upload.
1013:             *            
1014:             * @throws AbortProcessingException
1015:             * 			Internal processing error attempting to set up BufferedInputStream
1016:             */
1017:            public void processFileUpload(ValueChangeEvent event)
1018:                    throws AbortProcessingException {
1019:                UIComponent component = event.getComponent();
1020:
1021:                Object newValue = event.getNewValue();
1022:                Object oldValue = event.getOldValue();
1023:                PhaseId phaseId = event.getPhaseId();
1024:                Object source = event.getSource();
1025:                System.out.println("processFileUpload() event: " + event
1026:                        + " component: " + component + " newValue: " + newValue
1027:                        + " oldValue: " + oldValue + " phaseId: " + phaseId
1028:                        + " source: " + source);
1029:
1030:                if (newValue instanceof  String)
1031:                    return;
1032:                if (newValue == null)
1033:                    return;
1034:
1035:                FileItem item = (FileItem) event.getNewValue();
1036:                String fieldName = item.getFieldName();
1037:                filename = Validator.getFileName(item.getName());
1038:                fileSize = item.getSize();
1039:                fileContentType = item.getContentType();
1040:                System.out.println("processFileUpload(): item: " + item
1041:                        + " fieldname: " + fieldName + " filename: " + filename
1042:                        + " length: " + fileSize);
1043:
1044:                // Read the file as a stream (may be more memory-efficient)
1045:                try {
1046:                    fileAsStream = new BufferedInputStream(item
1047:                            .getInputStream());
1048:
1049:                } catch (IOException e) {
1050:                    LOG
1051:                            .warn("IOException while attempting to set BufferedInputStream to upload "
1052:                                    + filename
1053:                                    + " from site "
1054:                                    + podcastService.getSiteId()
1055:                                    + ". "
1056:                                    + e.getMessage());
1057:                    setErrorMessage(INTERNAL_ERROR_ALERT);
1058:
1059:                }
1060:
1061:            }
1062:
1063:            /**
1064:             * Converts the date string input using the FORMAT_STRING given.
1065:             * 
1066:             * @param inputDate
1067:             *            The string that needs to be converted.
1068:             * @param FORMAT_STRING
1069:             *            The format the data needs to conform to
1070:             * 
1071:             * @return Date
1072:             * 			The Date object containing the date passed in or null if invalid.
1073:             * 
1074:             * @throws ParseException
1075:             * 			If not a valid date compared to FORMAT_STRING given
1076:             */
1077:            private Date convertDateString(final String inputDate,
1078:                    final String FORMAT_STRING) throws ParseException {
1079:
1080:                Date convertedDate = null;
1081:                SimpleDateFormat dateFormat = new SimpleDateFormat(
1082:                        FORMAT_STRING);
1083:                dateFormat.setTimeZone(TimeService.getLocalTimeZone());
1084:
1085:                convertedDate = dateFormat.parse(inputDate);
1086:
1087:                return convertedDate;
1088:            }
1089:
1090:            /**
1091:             * Performs the actual adding of a podcast. Calls PodcastService to actually
1092:             * add the podcast.
1093:             * 
1094:             * @return String Sent to return to main page.
1095:             */
1096:            public String processAdd() {
1097:
1098:                // if OK, need byte array to store contents of file
1099:                byte[] fileContents = new byte[(int) fileSize];
1100:
1101:                // If problems, stay on this page
1102:                String whereToGo = "podcastAdd";
1103:
1104:                // validate the input
1105:                if (OKtoAdd()) {
1106:                    try {
1107:                        fileAsStream.read(fileContents);
1108:
1109:                    } catch (IOException e) {
1110:                        LOG
1111:                                .error("IOException while attempting the actual upload file "
1112:                                        + filename
1113:                                        + " during processAdd "
1114:                                        + " for site "
1115:                                        + podcastService.getSiteId()
1116:                                        + ". "
1117:                                        + e.getMessage());
1118:                        setErrorMessage(IO_ALERT);
1119:
1120:                        // stay on Add podcast page
1121:                        return "podcastAdd";
1122:
1123:                    }
1124:
1125:                    try {
1126:                        Date displayDate = null;
1127:
1128:                        try {
1129:                            displayDate = convertDateString(date,
1130:                                    getErrorMessageString(DATE_PICKER_FORMAT));
1131:
1132:                        } catch (ParseException e) {
1133:                            // must have entered it in by hand so try again
1134:                            try {
1135:                                displayDate = convertDateString(
1136:                                        date,
1137:                                        getErrorMessageString(DATE_BY_HAND_FORMAT));
1138:
1139:                            } catch (ParseException e1) {
1140:                                // Now it's invalid, so set error message and stay on page
1141:                                LOG.warn(
1142:                                        "ParseException attempting to convert "
1143:                                                + date + " both valid ways. "
1144:                                                + e1.getMessage(), e1);
1145:
1146:                                displayInvalidDateErrMsg = true;
1147:                                return "podcastAdd";
1148:                            }
1149:
1150:                        }
1151:
1152:                        podcastService.addPodcast(title, displayDate,
1153:                                description, fileContents, filename,
1154:                                fileContentType);
1155:
1156:                        // We're good, no error message need be displayed
1157:                        displayNoFileErrMsg = false;
1158:                        displayNoDateErrMsg = false;
1159:                        displayNoTitleErrMsg = false;
1160:                        displayInvalidDateErrMsg = false;
1161:
1162:                        // erase data on page
1163:                        title = "";
1164:                        date = null;
1165:                        description = "";
1166:                        filename = "";
1167:                        fileAsStream = null;
1168:
1169:                        // back to main page
1170:                        whereToGo = "cancel";
1171:
1172:                    } catch (OverQuotaException e) {
1173:                        LOG
1174:                                .warn("OverQuotaException while attempting to actually add the new podcast "
1175:                                        + " for site "
1176:                                        + podcastService.getSiteId()
1177:                                        + ". "
1178:                                        + e.getMessage());
1179:                        setErrorMessage(QUOTA_ALERT);
1180:
1181:                    } catch (ServerOverloadException e) {
1182:                        LOG
1183:                                .info("ServerOverloadException while attempting to actually add the new podcast "
1184:                                        + " for site "
1185:                                        + podcastService.getSiteId()
1186:                                        + ". "
1187:                                        + e.getMessage());
1188:                        setErrorMessage(INTERNAL_ERROR_ALERT);
1189:
1190:                    } catch (InconsistentException e) {
1191:                        LOG
1192:                                .error("InconsistentException while attempting to actually add the new podcast "
1193:                                        + " for site "
1194:                                        + podcastService.getSiteId()
1195:                                        + ". "
1196:                                        + e.getMessage());
1197:                        throw new Error(e);
1198:
1199:                    } catch (IdInvalidException e) {
1200:                        LOG
1201:                                .error("IdInvalidException while attempting to actually add the new podcast "
1202:                                        + " for site "
1203:                                        + podcastService.getSiteId()
1204:                                        + ". "
1205:                                        + e.getMessage());
1206:                        setErrorMessage(ID_INVALID_ALERT);
1207:
1208:                    } catch (IdLengthException e) {
1209:                        LOG
1210:                                .warn("IdLengthException while attempting to actually add the new podcast "
1211:                                        + " for site "
1212:                                        + podcastService.getSiteId()
1213:                                        + ". "
1214:                                        + e.getMessage());
1215:                        setErrorMessage(LENGTH_ALERT);
1216:
1217:                    } catch (PermissionException e) {
1218:                        LOG
1219:                                .warn("PermissionException while attempting to actually add the new podcast "
1220:                                        + " for site "
1221:                                        + podcastService.getSiteId()
1222:                                        + ". "
1223:                                        + e.getMessage());
1224:                        setErrorMessage(PERMISSION_ALERT);
1225:
1226:                    } catch (IdUniquenessException e) {
1227:                        LOG
1228:                                .error("IdUniquenessException while attempting to actually add the new podcast "
1229:                                        + " for site "
1230:                                        + podcastService.getSiteId()
1231:                                        + ". "
1232:                                        + e.getMessage());
1233:                        setErrorMessage(ID_USED_ALERT);
1234:
1235:                    }
1236:
1237:                    // TODO add email notification code here
1238:                    /*
1239:                     * if (email.equalsIgnoreCase("high")) {
1240:                     * EmailService.send("josrodri@iupui.edu", "josrodri@iupui.edu", "A
1241:                     * podcast has been added to feed.", "A podcast has been added to
1242:                     * the list of podcasts. It's publish date will determine when it
1243:                     * will be available in the feed", null, null, null); } else if
1244:                     * (email.equalsIgnoreCase("low")){ //TODO: email only those who
1245:                     * have opted in }
1246:                     */}
1247:
1248:                return whereToGo;
1249:            }
1250:
1251:            /**
1252:             * Erases bean values since no podcast is to be added.
1253:             * 
1254:             * @return String 
1255:             * 				Sent to return to main page.
1256:             */
1257:            public String processCancelAdd() {
1258:                date = null;
1259:                title = "";
1260:                description = "";
1261:                fileAsStream = null;
1262:                filename = "";
1263:                displayNoFileErrMsg = false;
1264:                displayNoDateErrMsg = false;
1265:                displayNoTitleErrMsg = false;
1266:                displayInvalidDateErrMsg = false;
1267:
1268:                return "cancel";
1269:            }
1270:
1271:            /**
1272:             * Gathers information and calls PodcastService to make changes to existing
1273:             * podcast.
1274:             */
1275:            public String processRevisePodcast() {
1276:                // set error messages to false so can be
1277:                // turned on during processing
1278:                displayNoTitleErrMsg = false;
1279:                displayInvalidDateErrMsg = false;
1280:
1281:                String whereToGo = "cancel";
1282:                boolean filenameChange = false;
1283:                byte[] fileContents = null;
1284:
1285:                // if they blank out the title, stay here since
1286:                // a title is a requirement
1287:                if ("".equals(selectedPodcast.title.trim())) {
1288:                    displayNoTitleErrMsg = true;
1289:                    if ("".equals(selectedPodcast.displayDateRevise)) {
1290:                        displayInvalidDateErrMsg = true;
1291:                    } else {
1292:                        displayInvalidDateErrMsg = false;
1293:                    }
1294:
1295:                    return "revise";
1296:                }
1297:
1298:                // If file has changed, change it in the resource
1299:                if (filename != null) {
1300:                    if (!filename.equals("")) {
1301:                        selectedPodcast.filename = filename;
1302:                        filenameChange = true;
1303:
1304:                        if (fileAsStream != null) {
1305:                            fileContents = new byte[(int) fileSize];
1306:
1307:                        } else {
1308:                            fileContents = new byte[(int) selectedPodcast.fileSize];
1309:                        }
1310:
1311:                        try {
1312:                            fileAsStream.read(fileContents);
1313:
1314:                        } catch (IOException e) {
1315:                            LOG
1316:                                    .error("IOException while attempting to get file contents when revising podcast for "
1317:                                            + filename
1318:                                            + " in site "
1319:                                            + podcastService.getSiteId()
1320:                                            + ". "
1321:                                            + e.getMessage());
1322:                            setErrorMessage(IO_ALERT);
1323:                            return "podcastRevise";
1324:
1325:                        }
1326:                    }
1327:                }
1328:
1329:                Date displayDate = null;
1330:                Date displayDateRevise = null;
1331:                try {
1332:                    displayDate = convertDateString(
1333:                            selectedPodcast.displayDate,
1334:                            getErrorMessageString(PUBLISH_DATE_FORMAT));
1335:
1336:                    try {
1337:                        displayDateRevise = convertDateString(
1338:                                selectedPodcast.displayDateRevise,
1339:                                getErrorMessageString(DATE_BY_HAND_FORMAT));
1340:
1341:                    } catch (ParseException e) {
1342:                        // must have used date picker, so try again
1343:                        try {
1344:                            displayDateRevise = convertDateString(
1345:                                    selectedPodcast.displayDateRevise,
1346:                                    getErrorMessageString(DATE_PICKER_FORMAT));
1347:
1348:                        } catch (ParseException e1) {
1349:                            LOG
1350:                                    .error("ParseException attempting to convert date for "
1351:                                            + selectedPodcast.title
1352:                                            + " for site "
1353:                                            + podcastService.getSiteId()
1354:                                            + ". "
1355:                                            + e1.getMessage());
1356:                            displayInvalidDateErrMsg = true;
1357:                            return "podcastRevise";
1358:
1359:                        }
1360:                    }
1361:
1362:                    if (filenameChange) {
1363:                        // filename has changed, so create an entirely new entry - is
1364:                        // needed since filename part of resource URL
1365:                        podcastService.addPodcast(selectedPodcast.title,
1366:                                displayDateRevise, selectedPodcast.description,
1367:                                fileContents, filename, fileContentType);
1368:
1369:                        podcastService.removePodcast(selectedPodcast
1370:                                .getResourceId());
1371:                    } else {
1372:                        // only title, description, or date has changed, so can revise
1373:                        podcastService.revisePodcast(
1374:                                selectedPodcast.resourceId,
1375:                                selectedPodcast.title, displayDateRevise,
1376:                                selectedPodcast.description, fileContents,
1377:                                selectedPodcast.filename);
1378:
1379:                    }
1380:
1381:                    /* FUTURE: Enable notification
1382:                    if (email.equalsIgnoreCase("high")) {
1383:                    	EmailService.send("josrodri@iupui.edu","josrodri@iupui.edu",
1384:                    					"A podcast has been added to feed.",
1385:                    					"A podcast has been added to the list of podcasts. "
1386:                    							+ "It's publish date will determine when it will be available in the feed",
1387:                    					null, null, null);
1388:                    } 
1389:                    else if (email.equalsIgnoreCase("low")) {
1390:                    	// FUTURE: email only those who have opted in
1391:                    }
1392:                     */
1393:                } catch (PermissionException e) {
1394:                    LOG.error("PermissionException while revising podcast "
1395:                            + selectedPodcast.title + " for site "
1396:                            + podcastService.getSiteId() + ". "
1397:                            + e.getMessage());
1398:                    setErrorMessage(PERMISSION_ALERT);
1399:
1400:                } catch (InUseException e) {
1401:                    LOG.warn("InUseException while revising podcast "
1402:                            + selectedPodcast.title + " for site "
1403:                            + podcastService.getSiteId() + ". "
1404:                            + e.getMessage());
1405:                    setErrorMessage(INTERNAL_ERROR_ALERT);
1406:
1407:                } catch (OverQuotaException e) {
1408:                    LOG.warn("OverQuotaException while revising podcast "
1409:                            + selectedPodcast.title + " for site "
1410:                            + podcastService.getSiteId() + ". "
1411:                            + e.getMessage());
1412:                    setErrorMessage(QUOTA_ALERT);
1413:
1414:                } catch (ServerOverloadException e) {
1415:                    LOG.warn("ServerOverloadException while revising podcast "
1416:                            + selectedPodcast.title + " for site "
1417:                            + podcastService.getSiteId() + ". "
1418:                            + e.getMessage());
1419:                    setErrorMessage(INTERNAL_ERROR_ALERT);
1420:
1421:                } catch (IdLengthException e) {
1422:                    LOG
1423:                            .warn("IdLengthException while revising podcast with filename changed from "
1424:                                    + selectedPodcast.filename
1425:                                    + " to "
1426:                                    + filename
1427:                                    + " for site "
1428:                                    + podcastService.getSiteId()
1429:                                    + ". "
1430:                                    + e.getMessage());
1431:                    setErrorMessage(LENGTH_ALERT);
1432:                    return "podcastRevise";
1433:
1434:                } catch (ParseException e) {
1435:                    LOG.error("ParseException attempting to convert date for "
1436:                            + selectedPodcast.title + " for site "
1437:                            + podcastService.getSiteId() + ". "
1438:                            + e.getMessage());
1439:                    date = "";
1440:                    displayInvalidDateErrMsg = true;
1441:                    return "podcastRevise";
1442:
1443:                } catch (Exception e) {
1444:                    // catches	IdUnusedException	TypeException
1445:                    //			IdInvalidException	InconsistentException
1446:                    //			IdUniquenessException
1447:                    LOG
1448:                            .error(
1449:                                    e.getMessage()
1450:                                            + " while revising podcast with filename changed from "
1451:                                            + selectedPodcast.filename + " to "
1452:                                            + filename + " for site "
1453:                                            + podcastService.getSiteId() + ". "
1454:                                            + e.getMessage(), e);
1455:                    setErrorMessage(INTERNAL_ERROR_ALERT);
1456:
1457:                }
1458:
1459:                // Reset values to continue processing
1460:                date = null;
1461:                title = "";
1462:                description = "";
1463:                fileAsStream = null;
1464:                filename = "";
1465:                displayNoTitleErrMsg = false;
1466:
1467:                return whereToGo;
1468:            }
1469:
1470:            /**
1471:             * Resets selectedPodcast bean since no revision is to be made
1472:             */
1473:            public String processCancelRevise() {
1474:                selectedPodcast = null;
1475:                date = null;
1476:                title = "";
1477:                description = "";
1478:                fileAsStream = null;
1479:                filename = "";
1480:                displayInvalidDateErrMsg = false;
1481:                displayNoTitleErrMsg = false;
1482:
1483:                return "cancel";
1484:            }
1485:
1486:            /**
1487:             * Used to call podcastService to actually delete selected podcast.
1488:             */
1489:            public String processDeletePodcast() {
1490:                try {
1491:                    podcastService.removePodcast(selectedPodcast
1492:                            .getResourceId());
1493:
1494:                    return "cancel";
1495:
1496:                } catch (PermissionException e) {
1497:                    LOG.error("PermissionException while deleting podcast "
1498:                            + selectedPodcast.title + " from site "
1499:                            + podcastService.getSiteId() + ". "
1500:                            + e.getMessage());
1501:                    setErrorMessage(PERMISSION_ALERT);
1502:
1503:                } catch (InUseException e) {
1504:                    LOG.warn("InUseException while deleting podcast "
1505:                            + selectedPodcast.title + " from site "
1506:                            + podcastService.getSiteId() + ". "
1507:                            + e.getMessage());
1508:                    setErrorMessage(INTERNAL_ERROR_ALERT);
1509:
1510:                } catch (Exception e) {
1511:                    // For IdUnusedException and TypeException
1512:                    LOG.error(e.getMessage() + " while deleting podcast "
1513:                            + selectedPodcast.title + " from site "
1514:                            + podcastService.getSiteId() + ". "
1515:                            + e.getMessage());
1516:                    setErrorMessage(INTERNAL_ERROR_ALERT);
1517:
1518:                }
1519:
1520:                // If here these was an error so stay on this page
1521:                return "podcastDelete";
1522:            }
1523:
1524:            /**
1525:             * Resets selectedPodcast bean since no deletion is to be made
1526:             * 
1527:             * @return String 
1528:             * 				Sent to return to main page.
1529:             */
1530:            public String processCancelDelete() {
1531:                selectedPodcast = null;
1532:                return "cancel";
1533:
1534:            }
1535:
1536:            /**
1537:             * Returns whether a no file selected error message is displayed 
1538:             */
1539:            public boolean getDisplayNoFileErrMsg() {
1540:                return displayNoFileErrMsg;
1541:
1542:            }
1543:
1544:            public void setDisplayNoFileErrMsg(boolean displayNoFileErrMsg) {
1545:                this .displayNoFileErrMsg = displayNoFileErrMsg;
1546:
1547:            }
1548:
1549:            /**
1550:             * Returns whether a no date error message is displayed
1551:             */
1552:            public boolean getDisplayNoDateErrMsg() {
1553:                return displayNoDateErrMsg;
1554:
1555:            }
1556:
1557:            public void setDisplayNoDateErrMsg(boolean displayNoDateErrMsg) {
1558:                this .displayNoDateErrMsg = displayNoDateErrMsg;
1559:
1560:            }
1561:
1562:            /**
1563:             * Returns whether a no title entered error message is displayed
1564:             */
1565:            public boolean getDisplayNoTitleErrMsg() {
1566:                return displayNoTitleErrMsg;
1567:
1568:            }
1569:
1570:            public void setDisplayNoTitleErrMsg(boolean displayNoTitleErrMsg) {
1571:                this .displayNoTitleErrMsg = displayNoTitleErrMsg;
1572:
1573:            }
1574:
1575:            /**
1576:             * Returns whether an invalid date error message is displayed
1577:             */
1578:            public boolean getDisplayInvalidDateErrMsg() {
1579:                return displayInvalidDateErrMsg;
1580:            }
1581:
1582:            /**
1583:             * @param displayInvalidDateErrMsg
1584:             *            The displayInvalidDateErrMsg to set.
1585:             */
1586:            public void setDisplayInvalidDateErrMsg(
1587:                    boolean displayInvalidDateErrMsg) {
1588:                this .displayInvalidDateErrMsg = displayInvalidDateErrMsg;
1589:            }
1590:
1591:            /**
1592:             * Performs validation of input when attempting to add a podcast.
1593:             * Checks filename, date, and title fields since those are the
1594:             * required ones. If errors, sets boolean flags so proper error 
1595:             * messages appear on the page.
1596:             * 
1597:             * @return boolean
1598:             * 			TRUE - input validated, FALSE -  there were errors
1599:             */
1600:            private boolean OKtoAdd() {
1601:                boolean OKtoAdd = true;
1602:
1603:                if (filename == null) {
1604:                    displayNoFileErrMsg = true;
1605:                    OKtoAdd = false;
1606:
1607:                } else if (filename.trim().equals("")) {
1608:                    displayNoFileErrMsg = true;
1609:                    OKtoAdd = false;
1610:
1611:                } else {
1612:                    displayNoFileErrMsg = false;
1613:
1614:                }
1615:
1616:                if (date == null) {
1617:                    displayNoDateErrMsg = true;
1618:                    OKtoAdd = false;
1619:
1620:                } else if (date.trim().equals("")) {
1621:                    displayNoDateErrMsg = true;
1622:                    OKtoAdd = false;
1623:
1624:                } else {
1625:                    displayNoDateErrMsg = false;
1626:
1627:                    if (isValidDate(date)) {
1628:                        displayInvalidDateErrMsg = false;
1629:
1630:                    } else {
1631:                        displayInvalidDateErrMsg = true;
1632:                        OKtoAdd = false;
1633:
1634:                    }
1635:
1636:                }
1637:
1638:                if (title == null) {
1639:                    displayNoTitleErrMsg = true;
1640:                    OKtoAdd = false;
1641:
1642:                } else if (title.trim().equals("")) {
1643:                    displayNoTitleErrMsg = true;
1644:                    OKtoAdd = false;
1645:
1646:                } else {
1647:                    displayNoTitleErrMsg = false;
1648:
1649:                }
1650:
1651:                return OKtoAdd;
1652:            }
1653:
1654:            /**
1655:             * Sets the Faces error message by pulling the message from the
1656:             * MessageBundle using the name passed in
1657:             * 
1658:             * @param key
1659:             *           The name in the MessageBundle for the message wanted
1660:             *            
1661:             * @return String
1662:             * 			The string that is the value of the message
1663:             */
1664:            private String getErrorMessageString(String key) {
1665:                ResourceBundle rb = ResourceBundle.getBundle(MESSAGE_BUNDLE);
1666:                return rb.getString(key);
1667:
1668:            }
1669:
1670:            /**
1671:             * Performs date validation checking. Validator object
1672:             * does not do bounds checking, so do that and if OK,
1673:             * let Validator check for errors like Feb 30, etc.
1674:             * 
1675:             * @param date
1676:             * 			The candidate String date
1677:             * 
1678:             * @return boolean
1679:             * 			TRUE - Conforms to a valid input date format string
1680:             * 			FALSE - Does not conform 
1681:             */
1682:            private boolean isValidDate(String date) {
1683:                boolean validDate = true;
1684:
1685:                // Should contain date part, time port, AM/PM part
1686:                String[] wholeDateSplit = date.split(" ");
1687:
1688:                String[] dateSplit = wholeDateSplit[0].split("/");
1689:
1690:                if (dateSplit.length != 3) {
1691:                    return false;
1692:
1693:                } else {
1694:                    int month = Integer.parseInt(dateSplit[0]);
1695:                    int day = Integer.parseInt(dateSplit[1]);
1696:
1697:                    if (month < 0 || month > 12) {
1698:                        return false;
1699:                    } else if (day < 0 || day > 31) {
1700:                        return false;
1701:                    } else if (dateSplit[2].length() != 4) {
1702:                        return false;
1703:                    } else {
1704:                        int year = Integer.parseInt(dateSplit[2]);
1705:
1706:                        validDate = Validator.checkDate(day, month, year);
1707:                    }
1708:                }
1709:
1710:                if (!validDate) {
1711:                    return false;
1712:                } else {
1713:                    // Date's OK, now to the time
1714:                    String[] timeSplit = wholeDateSplit[1].split(":");
1715:
1716:                    // Valid times are hh:mm or hh:mm:ss, so check for either 
1717:                    if (timeSplit.length < 2 || timeSplit.length > 3) {
1718:                        return false;
1719:
1720:                    } else if (timeSplit.length == 2) {
1721:                        int hour = Integer.parseInt(timeSplit[0]);
1722:                        int min = Integer.parseInt(timeSplit[1]);
1723:
1724:                        if (hour < 0 || hour > 23) {
1725:                            return false;
1726:
1727:                        } else if (min < 0 || min > 60) {
1728:                            return false;
1729:
1730:                        }
1731:                    } else {
1732:                        int hour = Integer.parseInt(timeSplit[0]);
1733:                        int min = Integer.parseInt(timeSplit[1]);
1734:                        int sec = Integer.parseInt(timeSplit[2]);
1735:
1736:                        if (hour < 0 || hour > 23) {
1737:                            return false;
1738:
1739:                        } else if (min < 0 || min > 60) {
1740:                            return false;
1741:
1742:                        } else if (sec < 0 || sec > 60) {
1743:                            return false;
1744:
1745:                        }
1746:                    }
1747:                }
1748:
1749:                // We want a 12 hour clock, so AM/PM needs to be specified
1750:                if ("AM".equals(wholeDateSplit[2])
1751:                        || "PM".equals(wholeDateSplit[2])) {
1752:                    return true;
1753:
1754:                } else {
1755:                    return false;
1756:
1757:                }
1758:            }
1759:
1760:            private String formatDate(long date) {
1761:                String disTimeString = TimeService.newTime(date)
1762:                        .toStringGmtFull();
1763:
1764:                String temp = monStrings.get(disTimeString.substring(0, 3))
1765:                        + disTimeString.substring(3);
1766:
1767:                return temp;
1768:
1769:            }
1770:        }
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