Examples with CheckForNull javax.annotation.CheckForNull used on opensource projects

Example 61 with CheckForNull

use of javax.annotation.CheckForNull in project jackrabbit-oak by apache.

the class MemoryDocumentStore method internalCreateOrUpdate.

@CheckForNull
private <T extends Document> T internalCreateOrUpdate(Collection<T> collection, UpdateOp update, boolean checkConditions) {
    ConcurrentSkipListMap<String, T> map = getMap(collection);
    T oldDoc;
    Lock lock = rwLock.writeLock();
    lock.lock();
    try {
        // get the node if it's there
        oldDoc = map.get(update.getId());
        T doc = collection.newDocument(this);
        if (oldDoc == null) {
            if (!update.isNew()) {
                throw new DocumentStoreException("Document does not exist: " + update.getId());
            }
        } else {
            oldDoc.deepCopy(doc);
        }
        if (checkConditions && !checkConditions(doc, update.getConditions())) {
            return null;
        }
        // update the document
        UpdateUtils.applyChanges(doc, update);
        doc.seal();
        map.put(update.getId(), doc);
        return oldDoc;
    } finally {
        lock.unlock();
    }
}

Example 62 with CheckForNull

use of javax.annotation.CheckForNull in project jackrabbit-oak by apache.

the class AccessControlImporter method getACL.

@CheckForNull
private JackrabbitAccessControlList getACL(Tree tree) throws RepositoryException {
    String nodeName = tree.getName();
    JackrabbitAccessControlList acList = null;
    if (!tree.isRoot()) {
        Tree parent = tree.getParent();
        if (AccessControlConstants.REP_POLICY.equals(nodeName) && ntMgr.isNodeType(tree, AccessControlConstants.NT_REP_ACL)) {
            String path = parent.getPath();
            acList = getACL(path);
        } else if (AccessControlConstants.REP_REPO_POLICY.equals(nodeName) && ntMgr.isNodeType(tree, AccessControlConstants.NT_REP_ACL) && parent.isRoot()) {
            acList = getACL((String) null);
        }
    }
    if (acList != null) {
        // clear all existing entries
        for (AccessControlEntry ace : acList.getAccessControlEntries()) {
            acList.removeAccessControlEntry(ace);
        }
    }
    return acList;
}

Example 63 with CheckForNull

use of javax.annotation.CheckForNull in project jackrabbit-oak by apache.

the class LoginModuleImpl method getUserAuthentication.

@CheckForNull
private Authentication getUserAuthentication(@Nullable String loginName) {
    SecurityProvider securityProvider = getSecurityProvider();
    Root root = getRoot();
    if (securityProvider != null && root != null) {
        UserConfiguration uc = securityProvider.getConfiguration(UserConfiguration.class);
        UserAuthenticationFactory factory = uc.getParameters().getConfigValue(UserConstants.PARAM_USER_AUTHENTICATION_FACTORY, null, UserAuthenticationFactory.class);
        if (factory != null) {
            return factory.getAuthentication(uc, root, loginName);
        } else {
            log.error("No user authentication factory configured in user configuration.");
        }
    }
    return null;
}

Example 64 with CheckForNull

use of javax.annotation.CheckForNull in project jackrabbit-oak by apache.

the class AccessControlManagerImpl method createACL.

@CheckForNull
private JackrabbitAccessControlList createACL(@Nullable String oakPath, @Nonnull Tree accessControlledTree, boolean isEffectivePolicy, @CheckForNull Predicate<ACE> predicate) throws RepositoryException {
    JackrabbitAccessControlList acl = null;
    String aclName = Util.getAclName(oakPath);
    if (accessControlledTree.exists() && Util.isAccessControlled(oakPath, accessControlledTree, ntMgr)) {
        Tree aclTree = accessControlledTree.getChild(aclName);
        if (aclTree.exists()) {
            List<ACE> entries = new ArrayList<ACE>();
            for (Tree child : aclTree.getChildren()) {
                if (Util.isACE(child, ntMgr)) {
                    ACE ace = createACE(oakPath, child, restrictionProvider);
                    if (predicate == null || predicate.apply(ace)) {
                        entries.add(ace);
                    }
                }
            }
            if (isEffectivePolicy) {
                acl = new ImmutableACL(oakPath, entries, restrictionProvider, getNamePathMapper());
            } else {
                acl = new NodeACL(oakPath, entries);
            }
        }
    }
    return acl;
}

Example 65 with CheckForNull

use of javax.annotation.CheckForNull in project jackrabbit-oak by apache.

the class TokenProviderImpl method getTokenParent.

@CheckForNull
private Tree getTokenParent(@Nonnull User user) {
    Tree tokenParent = null;
    String parentPath = null;
    try {
        String userPath = user.getPath();
        parentPath = userPath + '/' + TOKENS_NODE_NAME;
        Tree userNode = root.getTree(userPath);
        tokenParent = TreeUtil.getOrAddChild(userNode, TOKENS_NODE_NAME, TOKENS_NT_NAME);
        root.commit();
    } catch (RepositoryException e) {
        // error while creating token node.
        log.debug("Error while creating token node {}", e.getMessage());
    } catch (CommitFailedException e) {
        // conflict while creating token store for this user -> refresh and
        // try to get the tree from the updated root.
        log.debug("Conflict while creating token store -> retrying {}", e.getMessage());
        root.refresh();
        Tree parentTree = root.getTree(parentPath);
        if (parentTree.exists()) {
            tokenParent = parentTree;
        } else {
            tokenParent = null;
        }
    }
    return tokenParent;
}