/**
* Gets the links for an owning entity
*
* @param ownerbean the owning entity
* @return the links
* @throws Exception the exception
*/
public Collection<Link> getLinks(KeyedEntity<?> ownerbean) throws Exception {
LinkDB adb = (LinkDB) db_;
if (ownerbean == null) return new ArrayList<Link>();
LinkType type = typemap.get(ownerbean.getClass());
if (type == null) return new ArrayList<Link>();
return adb.getLinks(ownerbean.getKey(), type.toString());
}
/**
* Adds a link.
*
* @param owner the owning Entity
* @param pathIn the path (url, filepath, or entity key)
* @param linkType the link type
* @throws Exception the exception
*/
public void addLink(KeyedEntity<?> owner, String pathIn, LinkType linkType) throws Exception {
String path = pathIn;
if (owner == null) {
Errmsg.getErrorHandler().notice(Resource.getResourceString("att_owner_null"));
return;
}
if (linkType == LinkType.ATTACHMENT) {
String atfolder = attachmentFolder();
if (atfolder == null) throw new Exception("attachments not supported");
// need to copy file and create new path
File orig = new File(path);
String fname = orig.getName();
String newpath = atfolder + "/" + fname;
int i = 1;
while (true) {
File newfile = new File(newpath);
if (!newfile.exists()) break;
fname = Integer.toString(i) + orig.getName();
newpath = atfolder + "/" + fname;
i++;
}
copyFile(path, newpath);
path = fname;
}
Link at = newLink();
at.setKey(-1);
at.setOwnerKey(new Integer(owner.getKey()));
LinkType type = typemap.get(owner.getClass());
if (type == null) throw new Exception("illegal link owner type");
at.setOwnerType(type.toString());
at.setPath(path);
at.setLinkType(linkType.toString());
saveLink(at);
// * modification for backtrace/2way link
if (linkType == LinkType.ADDRESS
|| linkType == LinkType.APPOINTMENT
|| linkType == LinkType.PROJECT
|| linkType == LinkType.TASK) {
Link at2way = newLink();
at2way.setKey(-1);
at2way.setOwnerKey(new Integer(at.getPath()));
at2way.setOwnerType(at.getLinkType());
at2way.setPath(at.getOwnerKey().toString());
at2way.setLinkType(at.getOwnerType());
saveLink(at2way);
}
// end of modification
}
/**
* Move links from one object to another
*
* @param oldOwner the old owner
* @param newOwner the new owner
* @throws Exception the exception
*/
public void moveLinks(KeyedEntity<?> oldOwner, KeyedEntity<?> newOwner) throws Exception {
Collection<Link> atts = getLinks(oldOwner);
Iterator<Link> it = atts.iterator();
while (it.hasNext()) {
Link at = it.next();
at.setOwnerKey(new Integer(newOwner.getKey()));
LinkType type = typemap.get(newOwner.getClass());
if (type == null) throw new Exception("illegal link owner type");
at.setOwnerType(type.toString());
db_.updateObj(at);
}
}
