Examples with PropEntry org.apache.jackrabbit.webdav.property.PropEntry used on opensource projects

Example 1 with PropEntry

use of org.apache.jackrabbit.webdav.property.PropEntry in project jackrabbit by apache.

the class DefaultItemCollection method alterProperties.

/**
 * Loops over the given <code>List</code>s and alters the properties accordingly.
 * Changes are persisted at the end according to the rules defined with
 * the {@link AbstractItemResource#complete()} method.<p>
 * Please note: since there is only a single property
 * ({@link ItemResourceConstants#JCR_MIXINNODETYPES}
 * that can be set or removed with PROPPATCH, this method either succeeds
 * or throws an exception, even if this violates RFC 2518. Thus no property
 * specific multistatus will be created in case of an error.
 *
 * @param changeList
 * @return
 * @throws DavException
 */
@Override
public MultiStatusResponse alterProperties(List<? extends PropEntry> changeList) throws DavException {
    for (PropEntry propEntry : changeList) {
        if (propEntry instanceof DavPropertyName) {
            // use the internal remove method in order to prevent premature 'save'
            DavPropertyName propName = (DavPropertyName) propEntry;
            internalRemoveProperty(propName);
        } else if (propEntry instanceof DavProperty) {
            // use the internal set method in order to prevent premature 'save'
            DavProperty<?> prop = (DavProperty<?>) propEntry;
            internalSetProperty(prop);
        } else {
            throw new IllegalArgumentException("unknown object in change list: " + propEntry.getClass().getName());
        }
    }
    // TODO: missing undo of successful set/remove if subsequent operation fails
    // NOTE, that this is relevant with transactions only.
    // success: save all changes together if no error occurred
    complete();
    return new MultiStatusResponse(getHref(), DavServletResponse.SC_OK);
}

Example 2 with PropEntry

use of org.apache.jackrabbit.webdav.property.PropEntry in project jackrabbit by apache.

the class WebdavRequestImpl method parsePropPatchRequest.

/**
 * Parse the PROPPATCH request body.
 */
private void parsePropPatchRequest() throws DavException {
    proppatchSet = new DavPropertySet();
    proppatchList = new ArrayList<PropEntry>();
    Document requestDocument = getRequestDocument();
    if (requestDocument == null) {
        throw new DavException(DavServletResponse.SC_BAD_REQUEST, "Invalid request body.");
    }
    Element root = requestDocument.getDocumentElement();
    if (!DomUtil.matches(root, XML_PROPERTYUPDATE, NAMESPACE)) {
        log.warn("PropPatch-Request has no <DAV:propertyupdate> tag.");
        throw new DavException(DavServletResponse.SC_BAD_REQUEST, "PropPatch-Request has no <propertyupdate> tag.");
    }
    ElementIterator it = DomUtil.getChildren(root);
    while (it.hasNext()) {
        Element el = it.nextElement();
        if (DomUtil.matches(el, XML_SET, NAMESPACE)) {
            Element propEl = DomUtil.getChildElement(el, XML_PROP, NAMESPACE);
            if (propEl != null) {
                ElementIterator properties = DomUtil.getChildren(propEl);
                while (properties.hasNext()) {
                    DavProperty<?> davProp = DefaultDavProperty.createFromXml(properties.nextElement());
                    proppatchSet.add(davProp);
                    proppatchList.add(davProp);
                }
            }
        } else if (DomUtil.matches(el, XML_REMOVE, NAMESPACE)) {
            Element propEl = DomUtil.getChildElement(el, XML_PROP, NAMESPACE);
            if (propEl != null) {
                ElementIterator properties = DomUtil.getChildren(propEl);
                while (properties.hasNext()) {
                    DavProperty<?> davProp = DefaultDavProperty.createFromXml(properties.nextElement());
                    proppatchSet.add(davProp);
                    proppatchList.add(davProp.getName());
                }
            }
        } else {
            log.debug("Unknown element in DAV:propertyupdate: " + el.getNodeName());
        // unknown child elements are ignored
        }
    }
}

Example 3 with PropEntry

use of org.apache.jackrabbit.webdav.property.PropEntry in project jackrabbit by apache.

the class DavResourceImpl method alterProperties.

public MultiStatusResponse alterProperties(List<? extends PropEntry> changeList) throws DavException {
    if (isLocked(this)) {
        throw new DavException(DavServletResponse.SC_LOCKED);
    }
    if (!exists()) {
        throw new DavException(DavServletResponse.SC_NOT_FOUND);
    }
    MultiStatusResponse msr = new MultiStatusResponse(getHref(), null);
    try {
        Map<? extends PropEntry, ?> failures = config.getPropertyManager().alterProperties(getPropertyImportContext(changeList), isCollection());
        if (failures.isEmpty()) {
            // save all changes together (reverted in case this fails)
            node.save();
        } else {
            // set/remove of at least a single prop failed: undo modifications.
            node.refresh(false);
        }
        /* loop over list of properties/names that were successfully altered
               and them to the multistatus response respecting the result of the
               complete action. in case of failure set the status to 'failed-dependency'
               in order to indicate, that altering those names/properties would
               have succeeded, if no other error occured.*/
        for (PropEntry propEntry : changeList) {
            int statusCode;
            if (failures.containsKey(propEntry)) {
                Object error = failures.get(propEntry);
                statusCode = (error instanceof RepositoryException) ? new JcrDavException((RepositoryException) error).getErrorCode() : DavServletResponse.SC_INTERNAL_SERVER_ERROR;
            } else {
                statusCode = (failures.isEmpty()) ? DavServletResponse.SC_OK : DavServletResponse.SC_FAILED_DEPENDENCY;
            }
            if (propEntry instanceof DavProperty) {
                msr.add(((DavProperty<?>) propEntry).getName(), statusCode);
            } else {
                msr.add((DavPropertyName) propEntry, statusCode);
            }
        }
        return msr;
    } catch (RepositoryException e) {
        // revert any changes made so far an throw exception
        try {
            node.refresh(false);
        } catch (RepositoryException re) {
        // should not happen
        }
        throw new JcrDavException(e);
    }
}

Example 4 with PropEntry

use of org.apache.jackrabbit.webdav.property.PropEntry 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);
    }
}

Example 5 with PropEntry

use of org.apache.jackrabbit.webdav.property.PropEntry in project jackrabbit by apache.

the class DefaultHandler method importProperties.

public Map<? extends PropEntry, ?> importProperties(PropertyImportContext importContext, boolean isCollection) throws RepositoryException {
    if (!canImport(importContext, isCollection)) {
        throw new RepositoryException("PropertyHandler " + getName() + " failed import properties");
    }
    // loop over List and remember all properties and propertyNames
    // that failed to be imported (set or remove).
    Map<PropEntry, RepositoryException> failures = new HashMap<PropEntry, RepositoryException>();
    List<? extends PropEntry> changeList = importContext.getChangeList();
    // for collections the import-root is the target node where properties
    // are altered. in contrast 'non-collections' are with the handler
    // represented by 'file' nodes, that must have a jcr:content child
    // node, which holds all properties except jcr:created.
    // -> see canImport for the corresponding assertions
    Node cn = (Node) importContext.getImportRoot();
    if (!isCollection && cn.hasNode(JcrConstants.JCR_CONTENT)) {
        cn = cn.getNode(JcrConstants.JCR_CONTENT);
    }
    if (changeList != null) {
        for (PropEntry propEntry : changeList) {
            try {
                if (propEntry instanceof DavPropertyName) {
                    // remove
                    DavPropertyName propName = (DavPropertyName) propEntry;
                    removeJcrProperty(propName, cn);
                } else if (propEntry instanceof DavProperty) {
                    // add or modify property
                    DavProperty<?> prop = (DavProperty<?>) propEntry;
                    setJcrProperty(prop, cn);
                } else {
                    // ignore any other entry in the change list
                    log.error("unknown object in change list: " + propEntry.getClass().getName());
                }
            } catch (RepositoryException e) {
                failures.put(propEntry, e);
            }
        }
    }
    if (failures.isEmpty()) {
        setLastModified(cn, IOUtil.UNDEFINED_LENGTH);
    }
    return failures;
}