private void purgeHistory(Node fileNode, Session session, PentahoJcrConstants pentahoJcrConstants)
throws RepositoryException {
// Delete all previous versions of this node
VersionManager versionManager = session.getWorkspace().getVersionManager();
if (JcrRepositoryFileUtils.isPentahoFolder(pentahoJcrConstants, fileNode)) {
// go down to children
NodeIterator nodes = fileNode.getNodes();
while (nodes.hasNext()) {
Node next = (Node) nodes.next();
purgeHistory(next, session, pentahoJcrConstants);
}
} else if (JcrRepositoryFileUtils.isPentahoFile(pentahoJcrConstants, fileNode)
&& fileNode.isNodeType(pentahoJcrConstants.getPHO_MIX_VERSIONABLE())) {
VersionHistory versionHistory = versionManager.getVersionHistory(fileNode.getPath());
VersionIterator allVersions = versionHistory.getAllVersions();
while (allVersions.hasNext()) {
Version next = (Version) allVersions.next();
String name = next.getName();
// Root version cannot be deleted, the remove below will take care of that.
if (!JCR_ROOT_VERSION.equals(name)) {
versionHistory.removeVersion(name);
}
}
}
}
@Override
public void deleteFile(long companyId, long repositoryId, String fileName, String versionLabel)
throws PortalException, SystemException {
Session session = null;
try {
session = JCRFactoryUtil.createSession();
Workspace workspace = session.getWorkspace();
VersionManager versionManager = workspace.getVersionManager();
Node rootNode = getRootNode(session, companyId);
Node repositoryNode = getFolderNode(rootNode, repositoryId);
Node fileNode = repositoryNode.getNode(fileName);
Node contentNode = fileNode.getNode(JCRConstants.JCR_CONTENT);
VersionHistory versionHistory = versionManager.getVersionHistory(contentNode.getPath());
if (!versionHistory.hasVersionLabel(versionLabel)) {
throw new NoSuchFileException(
"{fileName=" + fileName + ", versionLabel=" + versionLabel + "}");
}
Version version = versionHistory.getVersionByLabel(versionLabel);
versionManager.restore(version.getPredecessors()[0], true);
versionHistory.removeVersion(version.getName());
session.save();
} catch (PathNotFoundException pnfe) {
throw new NoSuchFileException(
"{fileName=" + fileName + ", versionLabel=" + versionLabel + "}");
} catch (RepositoryException re) {
throw new SystemException(re);
} finally {
JCRFactoryUtil.closeSession(session);
}
}
@Override
public void deleteFile(long companyId, long repositoryId, String fileName)
throws PortalException, SystemException {
Session session = null;
// A bug in Jackrabbit requires us to create a dummy node and delete the
// version tree manually to successfully delete a file
// Create a dummy node
try {
session = JCRFactoryUtil.createSession();
Workspace workspace = session.getWorkspace();
VersionManager versionManager = workspace.getVersionManager();
Node rootNode = getRootNode(session, companyId);
Node repositoryNode = getFolderNode(rootNode, repositoryId);
Node fileNode = repositoryNode.getNode(fileName);
Node contentNode = fileNode.getNode(JCRConstants.JCR_CONTENT);
versionManager.checkout(contentNode.getPath());
contentNode.setProperty(JCRConstants.JCR_MIME_TYPE, "text/plain");
contentNode.setProperty(JCRConstants.JCR_DATA, "");
contentNode.setProperty(JCRConstants.JCR_LAST_MODIFIED, Calendar.getInstance());
session.save();
Version version = versionManager.checkin(contentNode.getPath());
VersionHistory versionHistory = versionManager.getVersionHistory(contentNode.getPath());
versionHistory.addVersionLabel(version.getName(), "0.0", false);
} catch (PathNotFoundException pnfe) {
throw new NoSuchFileException(fileName);
} catch (RepositoryException re) {
throw new SystemException(re);
} finally {
JCRFactoryUtil.closeSession(session);
}
// Delete version tree
try {
session = JCRFactoryUtil.createSession();
Workspace workspace = session.getWorkspace();
VersionManager versionManager = workspace.getVersionManager();
Node rootNode = getRootNode(session, companyId);
Node repositoryNode = getFolderNode(rootNode, repositoryId);
Node fileNode = repositoryNode.getNode(fileName);
Node contentNode = fileNode.getNode(JCRConstants.JCR_CONTENT);
VersionHistory versionHistory = versionManager.getVersionHistory(contentNode.getPath());
VersionIterator itr = versionHistory.getAllVersions();
while (itr.hasNext()) {
Version version = itr.nextVersion();
if (itr.getPosition() == itr.getSize()) {
break;
} else {
if (!StringUtils.equals(JCRConstants.JCR_ROOT_VERSION, version.getName())) {
versionHistory.removeVersion(version.getName());
}
}
}
session.save();
} catch (PathNotFoundException pnfe) {
throw new NoSuchFileException(fileName);
} catch (RepositoryException re) {
throw new SystemException(re);
} finally {
JCRFactoryUtil.closeSession(session);
}
// Delete file
try {
session = JCRFactoryUtil.createSession();
Node rootNode = getRootNode(session, companyId);
Node repositoryNode = getFolderNode(rootNode, repositoryId);
Node fileNode = repositoryNode.getNode(fileName);
fileNode.remove();
session.save();
} catch (PathNotFoundException pnfe) {
throw new NoSuchFileException(fileName);
} catch (RepositoryException re) {
throw new SystemException(re);
} finally {
JCRFactoryUtil.closeSession(session);
}
}
@FixFor("MODE-1624")
@Test
public void shouldAllowRemovingVersionFromVersionHistory() throws Exception {
print = false;
Node outerNode = session.getRootNode().addNode("outerFolder");
Node innerNode = outerNode.addNode("innerFolder");
Node fileNode = innerNode.addNode("testFile.dat");
fileNode.setProperty("jcr:mimeType", "text/plain");
fileNode.setProperty("jcr:data", "Original content");
session.save();
fileNode.addMixin("mix:versionable");
session.save();
// Make several changes ...
String path = fileNode.getPath();
for (int i = 2; i != 7; ++i) {
versionManager.checkout(path);
fileNode.setProperty("jcr:data", "Original content " + i);
session.save();
versionManager.checkin(path);
}
// Get the version history ...
VersionHistory history = versionManager.getVersionHistory(path);
if (print) System.out.println("Before: \n" + history);
assertThat(history, is(notNullValue()));
assertThat(history.getAllLinearVersions().getSize(), is(6L));
// Get the versions ...
VersionIterator iter = history.getAllLinearVersions();
Version v1 = iter.nextVersion();
Version v2 = iter.nextVersion();
Version v3 = iter.nextVersion();
Version v4 = iter.nextVersion();
Version v5 = iter.nextVersion();
Version v6 = iter.nextVersion();
assertThat(iter.hasNext(), is(false));
String versionName = v3.getName();
assertThat(v1, is(notNullValue()));
assertThat(v2, is(notNullValue()));
assertThat(v3, is(notNullValue()));
assertThat(v4, is(notNullValue()));
assertThat(v5, is(notNullValue()));
assertThat(v6, is(notNullValue()));
// Remove the 3rd version (that is, i=3) ...
history.removeVersion(versionName);
if (print) System.out.println("After (same history used to remove): \n" + history);
assertThat(history.getAllLinearVersions().getSize(), is(5L));
// Get the versions using the history node we already have ...
iter = history.getAllLinearVersions();
Version v1a = iter.nextVersion();
Version v2a = iter.nextVersion();
Version v4a = iter.nextVersion();
Version v5a = iter.nextVersion();
Version v6a = iter.nextVersion();
assertThat(iter.hasNext(), is(false));
assertThat(v1a.getName(), is(v1.getName()));
assertThat(v2a.getName(), is(v2.getName()));
assertThat(v4a.getName(), is(v4.getName()));
assertThat(v5a.getName(), is(v5.getName()));
assertThat(v6a.getName(), is(v6.getName()));
// Get the versions using a fresh history node ...
VersionHistory history2 = versionManager.getVersionHistory(path);
if (print) System.out.println("After (fresh history): \n" + history2);
assertThat(history.getAllLinearVersions().getSize(), is(5L));
iter = history2.getAllLinearVersions();
Version v1b = iter.nextVersion();
Version v2b = iter.nextVersion();
Version v4b = iter.nextVersion();
Version v5b = iter.nextVersion();
Version v6b = iter.nextVersion();
assertThat(iter.hasNext(), is(false));
assertThat(v1b.getName(), is(v1.getName()));
assertThat(v2b.getName(), is(v2.getName()));
assertThat(v4b.getName(), is(v4.getName()));
assertThat(v5b.getName(), is(v5.getName()));
assertThat(v6b.getName(), is(v6.getName()));
}
