/**
* Delete the specified handle. It is assumed that the user has already confirmed this selection.
*
* @param context The current DSpace context.
* @param handleID ID of handle to be removed.
* @return A results object.
*/
public static FlowResult processDeleteHandle(Context context, int handleID)
throws SQLException, AuthorizeException, IOException {
FlowResult result = new FlowResult();
result.setContinue(true);
result.setOutcome(true);
result.setMessage(T_handle_deletion_failed);
try {
Handle handleDeleted = Handle.find(context, handleID);
HandleManager.changeHandle(context, handleDeleted.getHandle(), null, false);
handleDeleted.delete();
context.commit();
result.setContinue(true);
result.setOutcome(true);
result.setMessage(T_handle_successfully_deleted);
} catch (Exception e) {
log.error(e.getMessage());
context.abort();
}
return result;
}
/**
* Save the handle.
*
* <p>If the handleID is -1 then a new handle is created.
*
* @param context The current dspace context
* @param handleID The handle ID, or -1 for a new handle.
* @param url The handle URL
* @param resourceTypeID The type of referenced resource
* @param resourceID ID of referenced resource
* @return A result
*/
public static FlowResult processSaveHandle(
Context context,
int handleID,
String handle,
String url,
int resourceTypeID,
int resourceID,
boolean archiveOldHandle)
throws SQLException, AuthorizeException, UIException {
FlowResult result = new FlowResult();
result.setParameter("handle_id", handleID);
result.setContinue(false);
result.setOutcome(false);
// If we have errors, the form needs to be resubmitted to fix those problems
if (StringUtils.isEmpty(handle)) {
result.addError("handle_empty");
}
if (resourceTypeID == -1 && resourceID == -1 && StringUtils.isEmpty(url)) {
result.addError("url_empty");
} else if (StringUtils.isEmpty(url)) {
if (resourceTypeID == -1) {
result.addError("resource_type_id_empty");
}
if (resourceID == -1) {
result.addError("resource_id_empty");
}
}
if (result.getErrors() == null) {
try {
Handle h = null;
if (handleID == -1) {
h = Handle.create(context, null, handle);
} else {
h = Handle.find(context, handleID);
if (h.getHandle() != handle) {
HandleManager.changeHandle(context, h.getHandle(), handle, archiveOldHandle);
}
}
h.setHandle(handle);
h.setURL(url);
h.setResourceTypeID(resourceTypeID);
h.setResourceID(resourceID);
h.update();
context.commit();
result.setContinue(true);
result.setOutcome(true);
result.setMessage(T_handle_successfully_saved);
} catch (Exception e) {
result.setMessage(T_handle_saving_failed);
log.error(e.getMessage());
context.abort();
}
}
return result;
}