@Override
public List<String> update(
List<FileItem> items, Field field, FieldTemplate template, PagesContext pageContext)
throws FormException {
List<String> attachmentIds = new ArrayList<String>();
try {
String fieldName = template.getFieldName();
String attachmentId = uploadVideoFile(items, fieldName, pageContext);
Operation operation =
Operation.valueOf(FileUploadUtil.getParameter(items, fieldName + OPERATION_KEY));
String currentAttachmentId =
FileUploadUtil.getParameter(items, fieldName + Field.FILE_PARAM_NAME_SUFFIX);
if (isDeletion(operation, currentAttachmentId) || isUpdate(operation, attachmentId)) {
deleteAttachment(currentAttachmentId, pageContext);
}
if (StringUtil.isDefined(attachmentId)) {
attachmentIds.addAll(update(attachmentId, field, template, pageContext));
}
} catch (Exception ex) {
SilverTrace.error("form", "VideoFieldDisplayer.update", "form.EXP_UNKNOWN_FIELD", null, ex);
}
return attachmentIds;
}
/**
* Uploads the file containing the video and that is identified by the specified field name.
*
* @param items the items of the form. One of them is containg the video file.
* @param itemKey the key of the item containing the video.
* @param pageContext the context of the page displaying the form.
* @throws Exception if an error occurs while uploading the video file.
* @return the identifier of the uploaded attached video file.
*/
private String uploadVideoFile(
final List<FileItem> items, final String itemKey, final PagesContext pageContext)
throws Exception {
String attachmentId = "";
FileItem item = FileUploadUtil.getFile(items, itemKey);
if (!item.isFormField()) {
String componentId = pageContext.getComponentId();
String userId = pageContext.getUserId();
String objectId = pageContext.getObjectId();
String logicalName = item.getName();
long size = item.getSize();
if (StringUtil.isDefined(logicalName)) {
if (!FileUtil.isWindows()) {
logicalName = logicalName.replace('\\', File.separatorChar);
SilverTrace.info(
"form",
"VideoFieldDisplayer.uploadVideoFile",
"root.MSG_GEN_PARAM_VALUE",
"fullFileName on Unix = " + logicalName);
}
logicalName =
logicalName.substring(
logicalName.lastIndexOf(File.separator) + 1, logicalName.length());
String type = FileRepositoryManager.getFileExtension(logicalName);
String mimeType = item.getContentType();
String physicalName = Long.toString(System.currentTimeMillis()) + "." + type;
File dir = getVideoPath(componentId, physicalName);
item.write(dir);
AttachmentDetail attachmentDetail =
createAttachmentDetail(
objectId,
componentId,
physicalName,
logicalName,
mimeType,
size,
VideoFieldDisplayer.CONTEXT_FORM_VIDEO,
userId);
attachmentDetail = AttachmentController.createAttachment(attachmentDetail, true);
attachmentId = attachmentDetail.getPK().getId();
}
}
return attachmentId;
}