/** {@inheritDoc} */
public void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response)
throws ServletException, IOException {
try {
Resource resource = request.getResource();
Node node = resource.adaptTo(Node.class);
if (node == null) {
response.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
Version version = versionService.saveNode(node, request.getRemoteUser());
response.setContentType("application/json");
response.setCharacterEncoding("UTF-8");
ExtendedJSONWriter write = new ExtendedJSONWriter(response.getWriter());
write.object();
write.key("versionName");
write.value(version.getName());
ExtendedJSONWriter.writeNodeContentsToWriter(write, version);
write.endObject();
} catch (RepositoryException e) {
LOGGER.info("Failed to save version ", e);
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
return;
} catch (JSONException e) {
LOGGER.info("Failed to save version ", e);
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
return;
}
}
public static void writeLinkNode(
Content content,
org.sakaiproject.nakamura.api.lite.Session session,
JSONWriter writer,
boolean objectInProgress)
throws StorageClientException, JSONException {
if (!objectInProgress) {
writer.object();
}
ContentManager contentManager = session.getContentManager();
// Write all the properties.
ExtendedJSONWriter.writeNodeContentsToWriter(writer, content);
// permissions
writePermissions(content, session, writer);
// Write the actual file.
if (content.hasProperty(SAKAI_LINK)) {
String linkPath = (String) content.getProperty(SAKAI_LINK);
writer.key("file");
try {
Content fileNode = contentManager.get(linkPath);
writeFileNode(fileNode, session, writer);
} catch (org.sakaiproject.nakamura.api.lite.accesscontrol.AccessDeniedException e) {
writer.value(false);
}
}
if (!objectInProgress) {
writer.endObject();
}
}
/**
* Writes all the properties for a linked node.
*
* @param node
* @param write
* @throws JSONException
* @throws RepositoryException
*/
public static void writeLinkNode(Node node, Session session, JSONWriter write)
throws JSONException, RepositoryException {
write.object();
// Write all the properties.
ExtendedJSONWriter.writeNodeContentsToWriter(write, node);
// permissions
writePermissions(node, session, write);
// Write the actual file.
if (node.hasProperty(SAKAI_LINK)) {
String uuid = node.getProperty(SAKAI_LINK).getString();
write.key("file");
try {
Node fileNode = session.getNodeByIdentifier(uuid);
writeFileNode(fileNode, session, write);
} catch (ItemNotFoundException e) {
write.value(false);
}
}
write.endObject();
}
/**
* Represent an entire JCR tree in JSON format.
*
* @param write The {@link JSONWriter writer} to send the data to.
* @param node The node and it's subtree to output. Note: The properties of this node will be
* outputted as well.
* @param objectInProgress use true if you don't want the method to enclose the output in fresh
* object braces
* @param maxDepth Maximum depth of subnodes to traverse. The properties on {@link node} are
* processed before this is taken into account.
* @param currentLevel Internal parameter to track the current processing level.
* @throws RepositoryException
* @throws JSONException
*/
protected static void writeNodeTreeToWriter(
JSONWriter write, Node node, boolean objectInProgress, int maxDepth, int currentLevel)
throws RepositoryException, JSONException {
// Write this node's properties.
if (!objectInProgress) {
write.object();
}
writeNodeContentsToWriter(write, node);
if (maxDepth == -1 || currentLevel < maxDepth) {
// Write all the child nodes.
NodeIterator iterator = node.getNodes();
while (iterator.hasNext()) {
Node childNode = iterator.nextNode();
write.key(childNode.getName());
writeNodeTreeToWriter(write, childNode, false, maxDepth, currentLevel + 1);
}
}
if (!objectInProgress) {
write.endObject();
}
}
