Hello there,
I have an nt:file node with the mix:versionable mixin. There are times
when I'd like to NOT create a new revision/version of the file when
storing the file. That is, the jcr:content node contents of the
nt:file change, but I don't want a new revision in the revision
history for that nt:file node.
The code I'm using now is something this:
public String store(File file, String folder, boolean newVersion)
throws RepositoryException, FileNotFoundException {
folder = folderName(folder);
String nname = file.getName();
String path = String.format("%s%s/%s", PATH, folder, nname); // NOI18N
String fpath = path;
Node rnode = null;
if (session.itemExists(path)) { // Update
Node fnode = ((Node)session.getItem(path));
rnode = fnode.getNode("jcr:content"); // NOI18N
if (newVersion) { // Create new version
rnode.checkout();
}
} else { // Add
path = String.format("%s%s", PATH, folder);
Node fnode = ((Node)session.getItem(path)).addNode(nname,
"nt:file"); // NOI18N
rnode = fnode.addNode("jcr:content", "nt:resource"); // NOI18N
rnode.addMixin("mix:versionable"); // NOI18N
fnode.addMixin("mix:lockable"); // NOI18N
}
rnode.setProperty("jcr:mimeType",
MimeUtils.getInstance().getMimeType(file)); // NOI18N
Calendar lastModified = Calendar.getInstance();
lastModified.setTimeInMillis(file.lastModified());
rnode.setProperty("jcr:lastModified", lastModified); // NOI18N
rnode.setProperty("jcr:data", new AutoCloseInputStream(new
FileInputStream(file))); // NOI18N
path = String.format("%s%s/%s", PPATH, folder, nname); // NOI18N
Node pnode = null;
if (session.itemExists(path)) {
pnode = (Node)session.getItem(path);
} else {
path = String.format("%s%s", PPATH, folder); // NOI18N
pnode = ((Node)session.getItem(path)).addNode(nname);
pnode.addMixin("mix:lockable"); // NOI18N
}
pnode.setProperty("cco_size", file.length()); // NOI18N
session.save();
if (newVersion) {
rnode.checkin();
}
return fpath;
}
PATH and PPATH are constants with base path for content and custom
properties, respectively, folderName is a name-normalizing function to
handle spaces and other 'strange' chars. The rest is fairly standard
or self-explained
If I first call this function with newVersion = true, a revision 1.0
is created, so far, so good. When I call it again, for the same file,
with newVersion = false (because now I just want to update the file's
content node without creating a new version), I get the following
exception:
javax.jcr.version.VersionException: Unable to perform operation. Node
is checked-in.
at
org.apache.jackrabbit.core.ItemValidator.checkCondition(ItemValidator.java:308)
at
org.apache.jackrabbit.core.ItemValidator.checkModify(ItemValidator.java:274)
at
org.apache.jackrabbit.core.NodeImpl.checkSetProperty(NodeImpl.java:1381)
at org.apache.jackrabbit.core.NodeImpl.setProperty(NodeImpl.java:2410)
at com.calenco.repository.ContentDAO.store(ContentDAO.java:189)
....
So. Can I modify the code above in any way to be able to create
versions of files as I wish, or do mix:versionable nodes must always
have a new version created when one of its properties change?
Thanks in advance for your answers.
--
Fabián Mandelbaum
IS Engineer
