Examples with DavException org.apache.jackrabbit.webdav.DavException used on opensource projects

Example 71 with DavException

use of org.apache.jackrabbit.webdav.DavException in project jackrabbit by apache.

the class DefaultItemCollection method orderMembers.

/**
     * Reorder the child nodes of the repository item represented by this
     * resource as indicated by the specified {@link OrderPatch} object.
     *
     * @param orderPatch
     * @throws org.apache.jackrabbit.webdav.DavException
     * @see org.apache.jackrabbit.webdav.ordering.OrderingResource#orderMembers(org.apache.jackrabbit.webdav.ordering.OrderPatch)
     * @see Node#orderBefore(String, String)
     */
@Override
public void orderMembers(OrderPatch orderPatch) throws DavException {
    if (!isOrderable()) {
        throw new DavException(DavServletResponse.SC_METHOD_NOT_ALLOWED);
    }
    // only custom ordering is allowed
    if (!OrderingConstants.ORDERING_TYPE_CUSTOM.equalsIgnoreCase(orderPatch.getOrderingType())) {
        throw new DavException(DavServletResponse.SC_UNPROCESSABLE_ENTITY, "Only DAV:custom ordering type supported.");
    }
    Node n = (Node) item;
    try {
        for (OrderPatch.Member instruction : orderPatch.getOrderInstructions()) {
            String srcRelPath = Text.unescape(instruction.getMemberHandle());
            Position pos = instruction.getPosition();
            String destRelPath = getRelDestinationPath(pos, n.getNodes());
            // preform the reordering
            n.orderBefore(srcRelPath, destRelPath);
        }
        complete();
    } catch (RepositoryException e) {
        // UnsupportedRepositoryException should not occur
        throw new JcrDavException(e);
    }
}

Example 72 with DavException

use of org.apache.jackrabbit.webdav.DavException in project jackrabbit by apache.

the class DefaultItemCollection method refreshLock.

/**
     * Refreshes the lock on this resource. With this implementation the
     * {@link javax.jcr.lock lock} present on the underlying {@link javax.jcr.Node node}
     * is refreshed. The timeout indicated by the <code>LockInfo</code>
     * object is ignored.
     *
     * @param reqLockInfo LockInfo as build from the request.
     * @param lockToken
     * @return the updated lock info object.
     * @throws org.apache.jackrabbit.webdav.DavException in case the lock could not be refreshed.
     * @see org.apache.jackrabbit.webdav.DavResource#refreshLock(org.apache.jackrabbit.webdav.lock.LockInfo, String)
     * @see javax.jcr.lock.Lock#refresh()
     */
@Override
public ActiveLock refreshLock(LockInfo reqLockInfo, String lockToken) throws DavException {
    if (lockToken == null) {
        throw new DavException(DavServletResponse.SC_PRECONDITION_FAILED);
    }
    ActiveLock lock = getLock(reqLockInfo.getType(), reqLockInfo.getScope());
    if (lock == null) {
        throw new DavException(DavServletResponse.SC_PRECONDITION_FAILED, "No lock with the given scope/type present on this resource.");
    }
    if (Type.WRITE.equals(lock.getType())) {
        try {
            Lock jcrLock = ((Node) item).getLock();
            jcrLock.refresh();
            return new JcrActiveLock(jcrLock);
        } catch (RepositoryException e) {
            /*
                  NOTE: LockException is only thrown by Lock.refresh()
                        the lock exception thrown by Node.getLock() was circumvented
                        by the init test if there is a lock applied...
                  NOTE: UnsupportedRepositoryOperationException should not occur
                */
            throw new JcrDavException(e);
        }
    } else {
        return super.refreshLock(reqLockInfo, lockToken);
    }
}

Example 73 with DavException

use of org.apache.jackrabbit.webdav.DavException in project jackrabbit by apache.

the class SearchResourceImpl method getQuery.

/**
     * Create a query from the information present in the <code>sInfo</code>
     * object.<br>The following JCR specific logic is applied:
     * <ul>
     * <li>If the requested resource represents a node with nodetype nt:query, the
     * request body is ignored and the query defined with the node is executed
     * instead.</li>
     * <li>If the requested resource does not represent an existing item, the
     * specified query is persisted by calling {@link Query#storeAsNode(String)}.</li>
     * </ul>
     * @param sInfo defining the query to be executed
     * @return <code>Query</code> object.
     * @throws javax.jcr.query.InvalidQueryException if the query defined by <code>sInfo</code> is invalid
     * @throws RepositoryException the query manager cannot be accessed or if
     * another error occurs.
     * @throws DavException if <code>sInfo</code> is <code>null</code> and
     * the underlying repository item is not an nt:query node or if an error
     * occurs when calling {@link Query#storeAsNode(String)}/
     */
private Query getQuery(SearchInfo sInfo) throws InvalidQueryException, RepositoryException, DavException {
    Session session = getRepositorySession();
    NamespaceRegistry nsReg = session.getWorkspace().getNamespaceRegistry();
    Node rootNode = session.getRootNode();
    QueryManager qMgr = getRepositorySession().getWorkspace().getQueryManager();
    // test if query is defined by requested repository node
    String itemPath = locator.getRepositoryPath();
    if (itemPath != null && !rootNode.getPath().equals(itemPath)) {
        String qNodeRelPath = itemPath.substring(1);
        if (rootNode.hasNode(qNodeRelPath)) {
            Node qNode = rootNode.getNode(qNodeRelPath);
            if (qNode.isNodeType(JcrConstants.NT_QUERY)) {
                return qMgr.getQuery(qNode);
            }
        }
    }
    Query q;
    if (sInfo != null) {
        // apply namespace mappings to session
        Map<String, String> namespaces = sInfo.getNamespaces();
        try {
            for (Map.Entry<String, String> entry : namespaces.entrySet()) {
                String prefix = entry.getKey();
                String uri = entry.getValue();
                session.setNamespacePrefix(prefix, uri);
            }
            q = qMgr.createQuery(sInfo.getQuery(), sInfo.getLanguageName());
            if (SearchInfo.NRESULTS_UNDEFINED != sInfo.getNumberResults()) {
                q.setLimit(sInfo.getNumberResults());
            }
            if (SearchInfo.OFFSET_UNDEFINED != sInfo.getOffset()) {
                q.setOffset(sInfo.getOffset());
            }
        } finally {
            // reset namespace mappings
            for (String uri : namespaces.values()) {
                try {
                    session.setNamespacePrefix(nsReg.getPrefix(uri), uri);
                } catch (RepositoryException e) {
                    log.warn("Unable to reset mapping of namespace: " + uri);
                }
            }
        }
    } else {
        throw new DavException(DavServletResponse.SC_BAD_REQUEST, locator.getResourcePath() + " is not a nt:query node -> searchRequest body required.");
    }
    /* test if resource path does not exist -> thus indicating that
        the query must be made persistent by calling Query.save(String) */
    if (itemPath != null && !getRepositorySession().itemExists(itemPath)) {
        try {
            q.storeAsNode(itemPath);
        } catch (RepositoryException e) {
            // ItemExistsException should never occur.
            throw new JcrDavException(e);
        }
    }
    return q;
}

Example 74 with DavException

use of org.apache.jackrabbit.webdav.DavException in project jackrabbit by apache.

the class VersionControlledItemCollection method merge.

/**
     * Merge the repository node represented by this resource according to the
     * information present in the given {@link MergeInfo} object.
     *
     * @param mergeInfo
     * @return <code>MultiStatus</code> recording all repository items modified
     * by this merge call as well as the resources that a client must modify to
     * complete the merge (see <a href="http://www.webdav.org/specs/rfc3253.html#METHOD_MERGE">RFC 3253</a>)
     * @throws org.apache.jackrabbit.webdav.DavException
     * @see org.apache.jackrabbit.webdav.version.VersionControlledResource#merge(org.apache.jackrabbit.webdav.version.MergeInfo)
     * @see Node#merge(String, boolean)
     */
//TODO: with jcr the node must not be versionable in order to perform Node.merge
@Override
public MultiStatus merge(MergeInfo mergeInfo) throws DavException {
    if (mergeInfo == null) {
        throw new DavException(DavServletResponse.SC_BAD_REQUEST);
    }
    if (!exists()) {
        throw new DavException(DavServletResponse.SC_NOT_FOUND);
    }
    MultiStatus ms = new MultiStatus();
    try {
        // NOTE: RFC requires that all modified resources are reported in the
        // multistatus response. this doesn't work however with the remoting
        // there is no way to distinguish the 'failedId's from any other
        // resources that got modified by this merge operation -> omitted.
        // todo: RFC allows multiple href elements inside the DAV:source element
        String workspaceName = getLocatorFromHref(mergeInfo.getSourceHrefs()[0]).getWorkspaceName();
        String depth = DomUtil.getChildTextTrim(mergeInfo.getMergeElement(), DavConstants.XML_DEPTH, DavConstants.NAMESPACE);
        boolean isShallow = "0".equals(depth);
        NodeIterator failed = getVersionManager().merge(item.getPath(), workspaceName, !mergeInfo.isNoAutoMerge(), isShallow);
        // add resources to the multistatus, that failed to be merged
        while (failed.hasNext()) {
            Node failedNode = failed.nextNode();
            DavResourceLocator loc = getLocatorFromItem(failedNode);
            DavResource res = createResourceFromLocator(loc);
            ms.addResponse(new MultiStatusResponse(res, mergeInfo.getPropertyNameSet()));
        }
    } catch (RepositoryException e) {
        throw new JcrDavException(e);
    }
    return ms;
}

Example 75 with DavException

use of org.apache.jackrabbit.webdav.DavException in project jackrabbit by apache.

the class VersionControlledItemCollection method resolveMergeConflict.

/**
     * Resolve one or multiple merge conflicts present on this resource. Please
     * note that the 'setProperties' or 'removeProperties' set my contain additional
     * resource properties, that need to be changed. Those properties are left
     * untouched, whereas the {@link #AUTO_MERGE_SET DAV:auto-merge-set}, is
     * removed from the list upon successful resolution of a merge conflict.<br>
     * If the removeProperties or setProperties set do not contain the mentioned
     * merge conflict resource properties or if the value of those properties do
     * not allow for a resolution of an existing merge conflict, this method
     * returns silently.
     *
     * @param changeList
     * @throws org.apache.jackrabbit.webdav.DavException
     * @see Node#doneMerge(Version)
     * @see Node#cancelMerge(Version)
     */
private void resolveMergeConflict(List<? extends PropEntry> changeList) throws DavException {
    if (!exists()) {
        throw new DavException(DavServletResponse.SC_NOT_FOUND);
    }
    try {
        Node n = (Node) item;
        VersionManager vMgr = getVersionManager();
        String path = item.getPath();
        DavProperty<?> autoMergeSet = null;
        DavProperty<?> predecessorSet = null;
        /* find DAV:auto-merge-set entries. If none exists no attempt is made
               to resolve merge conflict > return silently */
        for (int i = 0; i < changeList.size(); i++) {
            PropEntry propEntry = changeList.get(i);
            // conflicts are resolved with 'cancel'
            if (propEntry instanceof DavPropertyName && AUTO_MERGE_SET.equals(propEntry)) {
                // retrieve the current jcr:mergeFailed property values
                if (!n.hasProperty(JcrConstants.JCR_MERGEFAILED)) {
                    throw new DavException(DavServletResponse.SC_CONFLICT, "Attempt to resolve non-existing merge conflicts.");
                }
                Value[] mergeFailed = n.getProperty(JcrConstants.JCR_MERGEFAILED).getValues();
                for (Value value : mergeFailed) {
                    vMgr.cancelMerge(path, (Version) getRepositorySession().getNodeByIdentifier(value.getString()));
                }
                // remove this entry from the changeList
                changeList.remove(propEntry);
            } else if (propEntry instanceof DavProperty) {
                if (AUTO_MERGE_SET.equals(((DavProperty<?>) propEntry).getName())) {
                    autoMergeSet = (DavProperty<?>) propEntry;
                } else if (PREDECESSOR_SET.equals(((DavProperty<?>) propEntry).getName())) {
                    predecessorSet = (DavProperty<?>) propEntry;
                }
            }
        }
        // resolved individually according to the DAV:predecessor-set property.
        if (autoMergeSet != null) {
            // retrieve the current jcr:mergeFailed property values
            if (!n.hasProperty(JcrConstants.JCR_MERGEFAILED)) {
                throw new DavException(DavServletResponse.SC_CONFLICT, "Attempt to resolve non-existing merge conflicts.");
            }
            List<String> mergeset = new HrefProperty(autoMergeSet).getHrefs();
            List<String> predecL;
            if (predecessorSet == null) {
                predecL = Collections.emptyList();
            } else {
                predecL = new HrefProperty(predecessorSet).getHrefs();
            }
            Session session = getRepositorySession();
            // loop over the mergeFailed values (versions) and test whether they are
            // removed from the DAV:auto-merge-set thus indicating resolution.
            Value[] mergeFailed = n.getProperty(JcrConstants.JCR_MERGEFAILED).getValues();
            for (Value value : mergeFailed) {
                // build version-href from each entry in the jcr:mergeFailed property
                // in order to be able to compare to the entries in the HrefProperty.
                Version version = (Version) session.getNodeByIdentifier(value.getString());
                String href = getLocatorFromItem(version).getHref(true);
                // thus indicating that this merge conflict needs to be resolved.
                if (!mergeset.contains(href)) {
                    // must be called.
                    if (predecL.contains(href)) {
                        vMgr.doneMerge(path, version);
                    } else {
                        vMgr.cancelMerge(path, version);
                    }
                }
            }
            // after successful resolution of merge-conflicts according to
            // DAV:auto-merge-set and DAV:predecessor-set remove these entries
            // from the changeList.
            changeList.remove(autoMergeSet);
            if (predecessorSet != null) {
                changeList.remove(predecessorSet);
            }
        }
    } catch (RepositoryException e) {
        throw new JcrDavException(e);
    }
}