HttpServletResponse response) throws ServletException, IOException,
SQLException, AuthorizeException
{
// Find out if there's a group parameter
int groupID = UIUtil.getIntParameter(request, "group_id");
Group group = null;
if (groupID >= 0)
{
group = Group.find(c, groupID);
}
// group is set
if (group != null)
{
// is this user authorized to edit this group?
AuthorizeManager.authorizeAction(c, group, Constants.ADD);
boolean submit_edit = (request.getParameter("submit_edit") != null);
boolean submit_group_update = (request.getParameter("submit_group_update") != null);
boolean submit_group_delete = (request.getParameter("submit_group_delete") != null);
boolean submit_confirm_delete = (request.getParameter("submit_confirm_delete") != null);
boolean submit_cancel_delete = (request.getParameter("submit_cancel_delete") != null);
// just chosen a group to edit - get group and pass it to
// group-edit.jsp
if (submit_edit && !submit_group_update && !submit_group_delete)
{
request.setAttribute("group", group);
request.setAttribute("members", group.getMembers());
request.setAttribute("membergroups", group.getMemberGroups());
JSPManager.showJSP(request, response, "/tools/group-edit.jsp");
}
// update the members of the group
else if (submit_group_update)
{
// first off, did we change the group name?
String newName = request.getParameter("group_name");
if (!newName.equals(group.getName()))
{
group.setName(newName);
group.update();
}
int[] eperson_ids = UIUtil.getIntParameters(request,
"eperson_id");
int[] group_ids = UIUtil.getIntParameters(request, "group_ids");
// now get members, and add new ones and remove missing ones
EPerson[] members = group.getMembers();
Group[] membergroups = group.getMemberGroups();
if (eperson_ids != null)
{
// some epeople were listed, now make group's epeople match
// given epeople
Set memberSet = new HashSet();
Set epersonIDSet = new HashSet();
// add all members to a set
for (int x = 0; x < members.length; x++)
{
Integer epersonID = new Integer(members[x].getID());
memberSet.add(epersonID);
}
// now all eperson_ids are put in a set
for (int x = 0; x < eperson_ids.length; x++)
{
epersonIDSet.add(new Integer(eperson_ids[x]));
}
// process eperson_ids, adding those to group not already
// members
Iterator i = epersonIDSet.iterator();
while (i.hasNext())
{
Integer currentID = (Integer) i.next();
if (!memberSet.contains(currentID))
{
group.addMember(EPerson.find(c, currentID
.intValue()));
}
}
// process members, removing any that aren't in eperson_ids
for (int x = 0; x < members.length; x++)
{
EPerson e = members[x];
if (!epersonIDSet.contains(new Integer(e.getID())))
{
group.removeMember(e);
}
}
}
else
{
// no members found (ids == null), remove them all!
for (int y = 0; y < members.length; y++)
{
group.removeMember(members[y]);
}
}
if (group_ids != null)
{
// some groups were listed, now make group's member groups
// match given group IDs
Set memberSet = new HashSet();
Set groupIDSet = new HashSet();
// add all members to a set
for (int x = 0; x < membergroups.length; x++)
{
Integer myID = new Integer(membergroups[x].getID());
memberSet.add(myID);
}
// now all eperson_ids are put in a set
for (int x = 0; x < group_ids.length; x++)
{
groupIDSet.add(new Integer(group_ids[x]));
}
// process group_ids, adding those to group not already
// members
Iterator i = groupIDSet.iterator();
while (i.hasNext())
{
Integer currentID = (Integer) i.next();
if (!memberSet.contains(currentID))
{
group
.addMember(Group.find(c, currentID
.intValue()));
}
}
// process members, removing any that aren't in eperson_ids
for (int x = 0; x < membergroups.length; x++)
{
Group g = membergroups[x];
if (!groupIDSet.contains(new Integer(g.getID())))
{
group.removeMember(g);
}
}