Java tutorial
/********************************************************************************** * $URL$ * $Id$ *********************************************************************************** * * Copyright (c) 2006, 2007, 2008, 2009 The Sakai Foundation * * Licensed under the Educational Community License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.opensource.org/licenses/ECL-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * **********************************************************************************/ package org.sakaiproject.tool.assessment.ui.bean.util; import java.io.Serializable; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import javax.faces.application.FacesMessage; import javax.faces.context.ExternalContext; import javax.faces.context.FacesContext; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.sakaiproject.component.cover.ServerConfigurationService; import org.sakaiproject.content.api.ContentResource; import org.sakaiproject.content.api.FilePickerHelper; import org.sakaiproject.entity.api.Reference; import org.sakaiproject.entity.cover.EntityManager; import org.sakaiproject.event.cover.EventTrackingService; import org.sakaiproject.exception.IdUnusedException; import org.sakaiproject.exception.PermissionException; import org.sakaiproject.exception.TypeException; import org.sakaiproject.tool.api.ToolSession; import org.sakaiproject.tool.assessment.data.dao.assessment.AttachmentData; import org.sakaiproject.tool.assessment.data.ifc.assessment.AttachmentIfc; import org.sakaiproject.tool.assessment.facade.AgentFacade; import org.sakaiproject.tool.assessment.services.assessment.AssessmentService; import org.sakaiproject.tool.assessment.ui.listener.util.ContextUtil; import org.sakaiproject.tool.assessment.util.SamigoEmailService; import org.sakaiproject.tool.cover.SessionManager; public class EmailBean implements Serializable { private static Log log = LogFactory.getLog(EmailBean.class); private String fromName; private String fromEmailAddress; private String toName; private String toEmailAddress; private String toFirstName; private String assessmentName; private String subject; private String ccMe = "no"; private String message; private List attachmentList; private boolean hasAttachment = false; private String outcome; private HashMap resourceHash = new HashMap(); /** * Creates a new TotalScoresBean object. */ public EmailBean() { log.debug("Creating a new EmailBean"); } public String getFromName() { return fromName; } public void setFromName(String fromName) { this.fromName = fromName; } public String getFromEmailAddress() { return fromEmailAddress; } public void setFromEmailAddress(String fromEmailAddress) { this.fromEmailAddress = fromEmailAddress; } public String getToName() { return toName; } public void setToName(String toName) { this.toName = toName; } public String getToEmailAddress() { return toEmailAddress; } public void setToEmailAddress(String toEmailAddress) { this.toEmailAddress = toEmailAddress; } public String getToFirstName() { return toFirstName; } public void setToFirstName(String toFirstName) { this.toFirstName = toFirstName; } public String getAssessmentName() { return assessmentName; } public void setAssessmentName(String assessmentName) { this.assessmentName = assessmentName; } public String getSubject() { return subject; } public void setSubject(String subject) { this.subject = subject; } public String getCcMe() { return ccMe; } public void setCcMe(String ccMe) { this.ccMe = ccMe; } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } public List getAttachmentList() { return attachmentList; } public void setAttachmentList(List attachmentList) { this.attachmentList = attachmentList; } public boolean getHasAttachment() { return this.hasAttachment; } public void setHasAttachment(boolean hasAttachment) { this.hasAttachment = hasAttachment; } public String getOutcome() { return outcome; } public void setOutcome(String outcome) { this.outcome = outcome; } public void prepareAttachment() { ToolSession session = SessionManager.getCurrentToolSession(); ArrayList newAttachmentList = new ArrayList(); if (session.getAttribute(FilePickerHelper.FILE_PICKER_ATTACHMENTS) != null) { List refs = (List) session.getAttribute(FilePickerHelper.FILE_PICKER_ATTACHMENTS); Reference ref; if (refs.size() == 0) { hasAttachment = false; } else { HashMap map = getResourceIdHash(attachmentList); for (int i = 0; i < refs.size(); i++) { ref = (Reference) refs.get(i); String resourceId = ref.getId(); if (map.get(resourceId) == null) { AssessmentService assessmentService = new AssessmentService(); AttachmentData attach = assessmentService.createEmailAttachment(resourceId, ref.getProperties().getProperty(ref.getProperties().getNamePropDisplayName()), ServerConfigurationService.getServerUrl()); newAttachmentList.add(attach); } else { newAttachmentList.add((AttachmentData) map.get(resourceId)); map.remove(resourceId); } hasAttachment = true; } } session.removeAttribute(FilePickerHelper.FILE_PICKER_ATTACHMENTS); session.removeAttribute(FilePickerHelper.FILE_PICKER_CANCEL); } else { hasAttachment = false; } attachmentList = newAttachmentList; } private HashMap getResourceIdHash(List attachmentList) { HashMap map = new HashMap(); if (attachmentList != null) { Iterator iter = attachmentList.iterator(); while (iter.hasNext()) { AttachmentData attach = (AttachmentData) iter.next(); map.put(attach.getResourceId(), attach); } } return map; } public String addAttachmentsRedirect() { try { List filePickerList = new ArrayList(); if (attachmentList != null) { filePickerList = prepareReferenceList(attachmentList); } log.debug("**filePicker list=" + filePickerList.size()); ToolSession currentToolSession = SessionManager.getCurrentToolSession(); currentToolSession.setAttribute(FilePickerHelper.FILE_PICKER_ATTACHMENTS, filePickerList); ExternalContext context = FacesContext.getCurrentInstance().getExternalContext(); context.redirect("sakai.filepicker.helper/tool"); } catch (Exception e) { log.error("fail to redirect to attachment page: " + e.getMessage()); } return "email"; } private List prepareReferenceList(List attachmentList) { List list = new ArrayList(); for (int i = 0; i < attachmentList.size(); i++) { ContentResource cr = null; AttachmentIfc attach = (AttachmentIfc) attachmentList.get(i); try { cr = AssessmentService.getContentHostingService().getResource(attach.getResourceId()); } catch (PermissionException e) { log.warn("PermissionException from ContentHostingService:" + e.getMessage()); } catch (IdUnusedException e) { log.warn("IdUnusedException from ContentHostingService:" + e.getMessage()); } catch (TypeException e) { log.warn("TypeException from ContentHostingService:" + e.getMessage()); } if (cr != null) { if (this.resourceHash == null) { this.resourceHash = new HashMap(); } this.resourceHash.put(attach.getResourceId(), cr); Reference ref = EntityManager.newReference(cr.getReference()); if (ref != null) { list.add(ref); } } } return list; } public HashMap getResourceHash() { return resourceHash; } public void setResourceHash(HashMap resourceHash) { this.resourceHash = resourceHash; } public String send() { log.debug("send()"); log.debug("fromName: " + fromName); log.debug("fromEmailAddress: " + fromEmailAddress); log.debug("toName: " + toName); log.debug("toEmailAddress: " + toEmailAddress); log.debug("subject: " + subject); log.debug("ccMe: " + ccMe); log.debug("message: " + message); SamigoEmailService samigoEmailService = new SamigoEmailService(fromName, fromEmailAddress, toName, toEmailAddress, ccMe, subject, message); String result = samigoEmailService.send(); if ("send".equals(result)) { String msgSent = ContextUtil.getLocalizedString( "org.sakaiproject.tool.assessment.bundle.EvaluationMessages", "sent_email_confirmation"); FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(msgSent)); EventTrackingService .post(EventTrackingService.newEvent("sam.email", "siteId=" + AgentFacade.getCurrentSiteId() + ", Email sent ok: toName=" + toName + ", toEmail=" + toEmailAddress, true)); return "confirmEmailSent"; } else { String msgError = ContextUtil.getLocalizedString( "org.sakaiproject.tool.assessment.bundle.EvaluationMessages", "sent_email_error"); FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(msgError)); EventTrackingService .post(EventTrackingService.newEvent("sam.email", "siteId=" + AgentFacade.getCurrentSiteId() + ", Email sent error: toName=" + toName + ", toEmail=" + toEmailAddress, true)); return "emailError"; } } public void cancel() { log.debug("cancel"); setMessage(null); setAttachmentList(null); setHasAttachment(false); } }