/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/sam/trunk/samigo-app/src/java/org/sakaiproject/tool/assessment/ui/listener/author/ResetPartAttachmentListener.java $
* $Id: ResetPartAttachmentListener.java 106463 2012-04-02 12:20:09Z david.horwitz@uct.ac.za $
***********************************************************************************
*
* Copyright (c) 2004, 2005, 2006, 2008 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.listener.author;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import javax.faces.event.AbortProcessingException;
import javax.faces.event.ActionEvent;
import javax.faces.event.ActionListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.content.api.ContentResource;
import org.sakaiproject.exception.IdUnusedException;
import org.sakaiproject.exception.PermissionException;
import org.sakaiproject.exception.TypeException;
import org.sakaiproject.tool.assessment.data.ifc.assessment.AttachmentIfc;
import org.sakaiproject.tool.assessment.data.ifc.assessment.SectionDataIfc;
import org.sakaiproject.tool.assessment.services.assessment.AssessmentService;
import org.sakaiproject.tool.assessment.services.assessment.PublishedAssessmentService;
import org.sakaiproject.tool.assessment.ui.bean.author.AuthorBean;
import org.sakaiproject.tool.assessment.ui.bean.author.SectionBean;
import org.sakaiproject.tool.assessment.ui.listener.util.ContextUtil;
/**
* <p>Title: Samigo</p>
* <p>Description: Sakai Assessment Manager</p>
* @version $Id: ResetPartAttachmentListener.java 106463 2012-04-02 12:20:09Z david.horwitz@uct.ac.za $
*/
public class ResetPartAttachmentListener
implements ActionListener
{
private static Log log = LogFactory.getLog(ResetPartAttachmentListener.class);
public ResetPartAttachmentListener()
{
}
public void processAction(ActionEvent ae) throws AbortProcessingException {
SectionBean sectionBean = (SectionBean) ContextUtil.lookupBean("sectionBean");
AssessmentService assessmentService = null;
AuthorBean author = (AuthorBean) ContextUtil.lookupBean("author");
boolean isEditPendingAssessmentFlow = author.getIsEditPendingAssessmentFlow();
if (isEditPendingAssessmentFlow) {
assessmentService = new AssessmentService();
}
else {
assessmentService = new PublishedAssessmentService();
}
String sectionId = sectionBean.getSectionId();
if (sectionId !=null && !("").equals(sectionId)){
SectionDataIfc section = assessmentService.getSection(sectionId);
resetSectionAttachment(assessmentService, sectionBean.getResourceHash(), section.getSectionAttachmentList());
}
else{
resetSectionAttachment(assessmentService, sectionBean.getResourceHash(), new ArrayList());
}
}
private void resetSectionAttachment(AssessmentService assessmentService, HashMap resourceHash, List attachmentList){
// 1. we need to make sure that attachment removed/added by file picker
// will be restored/remove when user cancels the entire modification
if (attachmentList != null){
for (int i=0; i<attachmentList.size(); i++){
AttachmentIfc attach = (AttachmentIfc) attachmentList.get(i);
try{
ContentResource cr = AssessmentService.getContentHostingService().getResource(attach.getResourceId());
}
catch (PermissionException e) {
log.warn("PermissionException from ContentHostingService:"+e.getMessage());
}
catch (IdUnusedException e) {
// <-- bad sign,
// use case: ContentHosting deleted the resource
// and user cancel out all the modification
// including those that CHS has removed
// according to Glenn , it is a bug in CHS.
// so we would just do clean up to avoid having attachments
// points to empty resources
log.warn("IdUnusedException from ContentHostingService:"+e.getMessage());
log.warn("***removing an empty section attachment association, attachmentId="+attach.getAttachmentId());
assessmentService.removeSectionAttachment(attach.getAttachmentId().toString());
}
catch (TypeException e) {
log.warn("TypeException from ContentHostingService:"+e.getMessage());
}
}
}
}
}