public void writeResults(
SlingHttpServletRequest request, JSONWriter write, Iterator<Result> results)
throws JSONException {
ExtendedJSONWriter exWriter = (ExtendedJSONWriter) write;
Session session =
StorageClientUtils.adaptToSession(
request.getResourceResolver().adaptTo(javax.jcr.Session.class));
String currUser = request.getRemoteUser();
try {
// write out the profile information for each result
while (results.hasNext()) {
Result result = results.next();
// start the object here so we can decorate with contact details
write.object();
super.writeResult(request, write, result, true);
// add contact information if appropriate
String otherUser = String.valueOf(result.getFirstValue("path"));
connMgr.writeConnectionInfo(exWriter, session, currUser, otherUser);
write.endObject();
}
} catch (StorageClientException e) {
LOGGER.error(e.getMessage(), e);
} catch (AccessDeniedException e) {
LOGGER.error(e.getMessage(), e);
}
}
/** Dump given property in JSON */
public void dump(Property p, Writer w)
throws JSONException, ValueFormatException, RepositoryException {
final JSONWriter jw = new JSONWriter(w);
jw.object();
writeProperty(jw, p);
jw.endObject();
}
/** Dump given node in JSON, optionally recursing into its child nodes */
protected void dump(Node node, JSONWriter w, int currentRecursionLevel, int maxRecursionLevels)
throws RepositoryException, JSONException {
w.object();
PropertyIterator props = node.getProperties();
// the node's actual properties
while (props.hasNext()) {
Property prop = props.nextProperty();
if (propertyNamesToIgnore != null && propertyNamesToIgnore.contains(prop.getName())) {
continue;
}
writeProperty(w, prop);
}
// the child nodes
if (recursionLevelActive(currentRecursionLevel, maxRecursionLevels)) {
final NodeIterator children = node.getNodes();
while (children.hasNext()) {
final Node n = children.nextNode();
dumpSingleNode(n, w, currentRecursionLevel, maxRecursionLevels);
}
}
w.endObject();
}
@Override
public void write(Hit hit, JSONWriter jsonWriter, Query query)
throws RepositoryException, JSONException {
// Get the Node that represents a Query "hit"
Node node = hit.getNode();
// Write simple values like the node's path to the JSON result object
jsonWriter.key("path").value(node.getPath());
// Write node properties from the hit result node (or relative nodes) to the JSON result object
final String property1 = "jcr:content/jcr:title";
if (node.hasProperty(property1)) {
final Property property = node.getProperty(property1);
// You have full control over the names/values of the JSON key/value pairs returned.
// These do not have to match node names
jsonWriter
.key("key-to-use-in-json")
.value(property.getString() + "(pulled from jcr:content node)");
}
// Custom logic can be used to transform and/or retrieve data to be added to the resulting JSON
// object
// Note: Keep this logic as light as possible. Complex logic can introduce performance issues
// that are
// less visible (Will not appear in Slow Query logs as this logic executes after the actual
// Query returns).
String complexValue = sampleComplexLogic(node);
jsonWriter.key("complex").value(complexValue);
}
public void writeResult(SlingHttpServletRequest request, JSONWriter write, Result result)
throws JSONException {
String contentPath = result.getPath();
Session session =
StorageClientUtils.adaptToSession(
request.getResourceResolver().adaptTo(javax.jcr.Session.class));
try {
Content contentResult = session.getContentManager().get(contentPath);
if (contentResult != null) {
write.object();
writeCanManageProperty(request, write, session, contentResult);
writeCommentCountProperty(write, session, contentResult);
int depth = SolrSearchUtil.getTraversalDepth(request);
ExtendedJSONWriter.writeContentTreeToWriter(write, contentResult, true, depth);
write.endObject();
}
} catch (AccessDeniedException ade) {
// if access is denied we simply won't
// write anything for this result
// this implies content was private
LOGGER.info("Denied {} access to {}", request.getRemoteUser(), contentPath);
return;
} catch (Exception e) {
throw new JSONException(e);
}
}
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();
}
}
/**
* Dump all Nodes of given NodeIterator in JSON
*
* @throws JSONException
*/
public void dump(NodeIterator it, Writer out) throws RepositoryException, JSONException {
final JSONWriter w = new JSONWriter(out);
w.array();
while (it.hasNext()) {
dump(it.nextNode(), w, 1, 1);
}
w.endArray();
}
public void write(JSONWriter writer, String key) throws JSONException {
if (key != null) {
writer.key(key);
}
writer.array();
for (Item item : items) {
item.write(writer);
}
writer.endArray();
}
private static void writePermissions(
Content content, org.sakaiproject.nakamura.api.lite.Session session, JSONWriter writer)
throws StorageClientException, JSONException {
if (content == null) {
log.warn("Can't output permissions of null content.");
return;
}
AccessControlManager acm = session.getAccessControlManager();
String path = content.getPath();
writer.key("permissions");
writer.object();
writer.key("set_property");
// TODO does CAN_WRITE == set_property -CFH : yes, ieb
// TODO: make this a bit more efficient, checking permissions one by one is going to rely on
// caching to make it efficient. It would be better to get the permissions bitmap and then
// check it to see what has been set. That might require a niew methods in the
// AccessControl
// manager API.
writer.value(hasPermission(acm, path, Permissions.CAN_WRITE));
writer.key("read");
writer.value(hasPermission(acm, path, Permissions.CAN_READ));
writer.key("remove");
writer.value(hasPermission(acm, path, Permissions.CAN_DELETE));
writer.endObject();
}
private void writeCommentCountProperty(JSONWriter write, Session session, Content contentResult)
throws StorageClientException, JSONException, AccessDeniedException {
ContentManager contentManager = session.getContentManager();
Content comments = contentManager.get(contentResult.getPath() + "/" + "comments");
long commentCount = 0;
if (comments != null) {
for (@SuppressWarnings("unused") Content comment : comments.listChildren()) {
commentCount++;
}
}
write.key("commentCount");
write.value(commentCount);
}
/**
* Writes all the properties of a sakai/file node. Also checks what the permissions are for a
* session and where the links are.
*
* @param node
* @param write
* @param objectInProgress Whether object creation is in progress. If false, object is started and
* ended in this method call.
* @throws JSONException
* @throws RepositoryException
*/
public static void writeFileNode(Node node, Session session, JSONWriter write, int maxDepth)
throws JSONException, RepositoryException {
write.object();
// dump all the properties.
ExtendedJSONWriter.writeNodeTreeToWriter(write, node, true, maxDepth);
// The permissions for this session.
writePermissions(node, session, write);
if (node.hasNode(JcrConstants.JCR_CONTENT)) {
Node contentNode = node.getNode(JcrConstants.JCR_CONTENT);
write.key(JcrConstants.JCR_LASTMODIFIED);
Calendar cal = contentNode.getProperty(JcrConstants.JCR_LASTMODIFIED).getDate();
write.value(DateUtils.iso8601(cal));
write.key(JcrConstants.JCR_MIMETYPE);
write.value(contentNode.getProperty(JcrConstants.JCR_MIMETYPE).getString());
if (contentNode.hasProperty(JcrConstants.JCR_DATA)) {
write.key(JcrConstants.JCR_DATA);
write.value(contentNode.getProperty(JcrConstants.JCR_DATA).getLength());
}
}
write.endObject();
}
public static void writeFileNode(
Content content,
org.sakaiproject.nakamura.api.lite.Session session,
JSONWriter write,
int maxDepth,
boolean objectInProgress)
throws JSONException, StorageClientException {
if (content == null) {
log.warn("Can't output null content.");
return;
}
if (!objectInProgress) {
write.object();
}
// dump all the properties.
ExtendedJSONWriter.writeContentTreeToWriter(write, content, true, maxDepth);
// The permissions for this session.
writePermissions(content, session, write);
write.key(JcrConstants.JCR_LASTMODIFIED);
Calendar cal = new GregorianCalendar();
cal.setTimeInMillis(StorageClientUtils.toLong(content.getProperty(Content.LASTMODIFIED_FIELD)));
write.value(DateUtils.iso8601(cal));
write.key(JcrConstants.JCR_MIMETYPE);
write.value(content.getProperty(Content.MIMETYPE_FIELD));
write.key(JcrConstants.JCR_DATA);
write.value(StorageClientUtils.toLong(content.getProperty(Content.LENGTH_FIELD)));
if (!objectInProgress) {
write.endObject();
}
}
/** Write a single property */
protected void writeProperty(JSONWriter w, Property p)
throws ValueFormatException, RepositoryException, JSONException {
// special handling for binaries: we dump the length and not the length
if (p.getType() == PropertyType.BINARY) {
// TODO for now we mark binary properties with an initial colon in
// their name
// (colon is not allowed as a JCR property name)
// in the name, and the value should be the size of the binary data
w.key(":" + p.getName());
if (!p.getDefinition().isMultiple()) {
w.value(p.getLength());
} else {
final long[] sizes = p.getLengths();
w.array();
for (int i = 0; i < sizes.length; i++) {
w.value(sizes[i]);
}
w.endArray();
}
return;
}
w.key(p.getName());
if (!p.getDefinition().isMultiple()) {
dumpValue(w, p.getValue());
} else {
w.array();
for (Value v : p.getValues()) {
dumpValue(w, v);
}
w.endArray();
}
}
/**
* Give a JSON representation of the content.
*
* @param content
* @param session
* @param write The {@link JSONWriter} to output to.
* @param depth
* @throws JSONException
* @throws StorageClientException
*/
protected void handleContent(
final Content content, final Session session, final JSONWriter write, final int depth)
throws JSONException, StorageClientException {
write.object();
final String type = (String) content.getProperty(SLING_RESOURCE_TYPE_PROPERTY);
if (FilesConstants.RT_SAKAI_LINK.equals(type)) {
FileUtils.writeLinkNode(content, session, write, true);
} else {
FileUtils.writeFileNode(content, session, write, depth, true);
}
FileUtils.writeComments(content, session, write);
FileUtils.writeCommentCountProperty(content, session, write, repository);
write.endObject();
}
public static void extractAttachment(
final Writer ioWriter, final JSONWriter writer, final Resource node)
throws JSONException, UnsupportedEncodingException {
Resource contentNode = node.getChild("jcr:content");
if (contentNode == null) {
writer.key(ContentTypeDefinitions.LABEL_ERROR);
writer.value(
"provided resource was not an attachment - no content node beneath " + node.getPath());
return;
}
ValueMap content = contentNode.adaptTo(ValueMap.class);
if (!content.containsKey("jcr:mimeType") || !content.containsKey("jcr:data")) {
writer.key(ContentTypeDefinitions.LABEL_ERROR);
writer.value(
"provided resource was not an attachment - content node contained no attachment data under "
+ node.getPath());
return;
}
writer.key("filename");
writer.value(URLEncoder.encode(node.getName(), "UTF-8"));
writer.key("jcr:mimeType");
writer.value(content.get("jcr:mimeType"));
try {
ioWriter.write(",\"jcr:data\":\"");
final InputStream data = (InputStream) content.get("jcr:data");
byte[] byteData = new byte[DATA_ENCODING_CHUNK_SIZE];
int read = 0;
while (read != -1) {
read = data.read(byteData);
if (read > 0 && read < DATA_ENCODING_CHUNK_SIZE) {
// make a right-size container for the byte data actually read
byte[] byteArray = new byte[read];
System.arraycopy(byteData, 0, byteArray, 0, read);
byte[] encodedBytes = Base64.encodeBase64(byteArray);
ioWriter.write(new String(encodedBytes));
} else if (read == DATA_ENCODING_CHUNK_SIZE) {
byte[] encodedBytes = Base64.encodeBase64(byteData);
ioWriter.write(new String(encodedBytes));
}
}
ioWriter.write("\"");
} catch (IOException e) {
writer.key(ContentTypeDefinitions.LABEL_ERROR);
writer.value(
"IOException while getting attachment at " + node.getPath() + ": " + e.getMessage());
}
}
/**
* Gives the permissions for this user.
*
* @param node
* @param session
* @param write
* @throws RepositoryException
* @throws JSONException
*/
private static void writePermissions(Node node, Session session, JSONWriter write)
throws RepositoryException, JSONException {
String path = node.getPath();
write.key("permissions");
write.object();
write.key("set_property");
write.value(hasPermission(session, path, "set_property"));
write.key("read");
write.value(hasPermission(session, path, "read"));
write.key("remove");
write.value(hasPermission(session, path, "remove"));
write.endObject();
}
/**
* {@inheritDoc}
*
* @see
* org.sakaiproject.nakamura.api.search.SearchResultProcessor#writeNode(org.apache.sling.api.SlingHttpServletRequest,
* org.apache.sling.commons.json.io.JSONWriter,
* org.sakaiproject.nakamura.api.search.Aggregator, javax.jcr.query.Row)
*/
public void writeNode(
SlingHttpServletRequest request, JSONWriter write, Aggregator aggregator, Row row)
throws JSONException, RepositoryException {
write.object();
Node node = row.getNode();
write.key("jcr:created");
write.value(node.getProperty("jcr:created").getString());
String userID = node.getName();
UserManager um = AccessControlUtil.getUserManager(node.getSession());
Authorizable au = um.getAuthorizable(userID);
if (au != null) {
ValueMap map = profileService.getCompactProfileMap(au, node.getSession());
((ExtendedJSONWriter) write).valueMapInternals(map);
}
write.endObject();
}
private void writeReplicationState(JSONWriter out, Resource resource) throws Exception {
out.key("replication").object();
ReplicationStatus replicationStatus = resource.adaptTo(ReplicationStatus.class);
if (replicationStatus != null) {
Calendar published = replicationStatus.getLastPublished();
if (published != null) {
out.key("published").value(published.getTimeInMillis());
}
if (replicationStatus.getLastReplicationAction() != null) {
String action = replicationStatus.getLastReplicationAction().name();
if (action != null && action.length() > 0) {
out.key("action").value(action);
}
}
}
out.endObject();
}
/** Dump a single node */
protected void dumpSingleNode(
Node n, JSONWriter w, int currentRecursionLevel, int maxRecursionLevels)
throws RepositoryException, JSONException {
if (recursionLevelActive(currentRecursionLevel, maxRecursionLevels)) {
w.key(n.getName());
dump(n, w, currentRecursionLevel + 1, maxRecursionLevels);
}
}
private void writeNode(
SlingHttpServletRequest request, JSONWriter write, Aggregator aggregator, Row row)
throws JSONException, RepositoryException {
Session session = request.getResourceResolver().adaptTo(Session.class);
Node node = RowUtils.getNode(row, session);
Node siteNode = node;
boolean foundSite = false;
while (!siteNode.getPath().equals("/")) {
if (siteService.isSite(siteNode)) {
foundSite = true;
break;
}
siteNode = siteNode.getParent();
}
if (foundSite) {
if (node.hasProperty(SLING_RESOURCE_TYPE_PROPERTY)) {
String type = node.getProperty(SLING_RESOURCE_TYPE_PROPERTY).getString();
// From looking at the type we determine how we should represent this node.
SearchResultProcessor processor = tracker.getSearchResultProcessorByType(type);
if (processor != null) {
write.object();
write.key("path");
write.value(node.getPath());
write.key("site");
siteSearchResultProcessor.writeNode(write, siteNode);
write.key("type");
write.value(node.getProperty(SLING_RESOURCE_TYPE_PROPERTY).getString());
write.key("excerpt");
write.value(RowUtils.getDefaultExcerpt(row));
write.key("data");
processor.writeNode(request, write, aggregator, row);
write.endObject();
} else {
// No processor found, just dump the properties
writeDefaultNode(write, aggregator, row, siteNode, session);
}
} else {
// No type, just dump the properties
writeDefaultNode(write, aggregator, row, siteNode, session);
}
}
}
/**
* Same as writeResults logic, but counts number of results iterated over.
*
* @param request
* @param write
* @param iterator
* @return Set containing all unique paths processed.
* @throws JSONException
*/
public Set<String> writeResultsInternal(
SlingHttpServletRequest request, JSONWriter write, Iterator<Result> iterator)
throws JSONException {
final Set<String> uniquePaths = new HashSet<String>();
final Integer iDepth = (Integer) request.getAttribute("depth");
int depth = 0;
if (iDepth != null) {
depth = iDepth.intValue();
}
try {
javax.jcr.Session jcrSession = request.getResourceResolver().adaptTo(javax.jcr.Session.class);
final Session session = StorageClientUtils.adaptToSession(jcrSession);
while (iterator.hasNext()) {
final Result result = iterator.next();
uniquePaths.add(result.getPath());
try {
if ("authorizable".equals(result.getFirstValue("resourceType"))) {
AuthorizableManager authManager = session.getAuthorizableManager();
Authorizable auth = authManager.findAuthorizable((String) result.getFirstValue("id"));
if (auth != null) {
write.object();
ValueMap map = profileService.getProfileMap(auth, jcrSession);
ExtendedJSONWriter.writeValueMapInternals(write, map);
write.endObject();
}
} else {
String contentPath = result.getPath();
final Content content = session.getContentManager().get(contentPath);
if (content != null) {
handleContent(content, session, write, depth);
} else {
LOGGER.debug("Found null content item while writing results [{}]", contentPath);
}
}
} catch (AccessDeniedException e) {
// do nothing
} catch (RepositoryException e) {
throw new JSONException(e);
}
}
} catch (StorageClientException e) {
throw new JSONException(e);
}
return uniquePaths;
}
/**
* Writes comments of content
*
* @param node
* @param session
* @param write
* @throws RepositoryException
* @throws JSONException
*/
public static void writeComments(
Content content, org.sakaiproject.nakamura.api.lite.Session session, JSONWriter writer)
throws StorageClientException, JSONException {
if (content == null) {
log.warn("Can't output comments of null content.");
return;
}
writer.key("comments");
writer.object();
Content commentContent = null;
try {
commentContent = session.getContentManager().get(content.getPath() + "/comments");
ExtendedJSONWriter.writeContentTreeToWriter(writer, commentContent, true, 2);
} catch (org.sakaiproject.nakamura.api.lite.accesscontrol.AccessDeniedException e) {
writer.value(false);
} finally {
writer.endObject();
}
}
private void writeCanManageProperty(
SlingHttpServletRequest request, JSONWriter write, Session session, Content contentResult)
throws StorageClientException, JSONException, AccessDeniedException {
write.key("sakai:canmanage");
Authorizable thisUser =
session.getAuthorizableManager().findAuthorizable(request.getRemoteUser());
Collection<String> principals = new ArrayList<String>();
principals.addAll(Arrays.asList(thisUser.getPrincipals()));
principals.add(request.getRemoteUser());
boolean canManage = false;
for (String principal : principals) {
if (Arrays.asList(
StorageClientUtils.nonNullStringArray(
(String[]) contentResult.getProperty("sakai:pooled-content-manager")))
.contains(principal)) {
canManage = true;
}
}
write.value(canManage);
}
/**
* Writes commentCount of content
*
* @param node
* @param session
* @param write
* @throws RepositoryException
* @throws JSONException
*/
public static void writeCommentCountProperty(
Content content,
org.sakaiproject.nakamura.api.lite.Session session,
JSONWriter writer,
Repository repository)
throws StorageClientException, JSONException {
int commentCount = 0;
String COMMENTCOUNT = "commentCount";
if (content.hasProperty(COMMENTCOUNT)) {
commentCount = (Integer) content.getProperty(COMMENTCOUNT);
} else {
// no commentCount property on Content, then evaluate count and add property
Content comments = null;
org.sakaiproject.nakamura.api.lite.Session adminSession = null;
try {
comments = session.getContentManager().get(content.getPath() + "/comments");
if (comments != null) {
commentCount = Iterables.size(comments.listChildPaths());
}
content.setProperty(COMMENTCOUNT, commentCount);
// save property
adminSession = repository.loginAdministrative();
ContentManager adminContentManager = adminSession.getContentManager();
adminContentManager.update(content);
} catch (org.sakaiproject.nakamura.api.lite.accesscontrol.AccessDeniedException e) {
log.error(e.getMessage(), e);
} finally {
if (adminSession != null) {
try {
adminSession.logout();
} catch (Exception e) {
log.error("Could not logout administrative session.");
}
}
}
}
writer.key(COMMENTCOUNT);
writer.value(commentCount);
}
/**
* Writes the given value to the JSON writer. currently the following conversions are done:
*
* <table>
* <tr>
* <th>JSR Property Type</th>
* <th>JSON Value Type</th>
* </tr>
* <tr>
* <td>BINARY</td>
* <td>always 0 as long</td>
* </tr>
* <tr>
* <td>DATE</td>
* <td>converted date string as defined by ECMA</td>
* </tr>
* <tr>
* <td>BOOLEAN</td>
* <td>boolean</td>
* </tr>
* <tr>
* <td>LONG</td>
* <td>long</td>
* </tr>
* <tr>
* <td>DOUBLE</td>
* <td>double</td>
* </tr>
* <tr>
* <td><i>all other</li>
* </td>
* <td>string</td>
* </tr>
* </table>
*
* <sup>1</sup> Currently not implemented and uses 0 as default.
*
* @param w json writer
* @param v value to dump
*/
protected void dumpValue(JSONWriter w, Value v)
throws ValueFormatException, IllegalStateException, RepositoryException, JSONException {
switch (v.getType()) {
case PropertyType.BINARY:
w.value(0);
break;
case PropertyType.DATE:
w.value(format(v.getDate()));
break;
case PropertyType.BOOLEAN:
w.value(v.getBoolean());
break;
case PropertyType.LONG:
w.value(v.getLong());
break;
case PropertyType.DOUBLE:
w.value(v.getDouble());
break;
default:
w.value(v.getString());
}
}
/**
* 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();
}
private void writeFailedRequest(JSONWriter write, RequestInfo requestData) throws JSONException {
write.object();
write.key("url");
write.value(requestData.getUrl());
write.key("success");
write.value(false);
write.endObject();
}
protected void simpleResultCountCheck(SearchResultProcessor processor)
throws RepositoryException, JSONException {
int itemCount = 12;
QueryResult queryResult = createMock(QueryResult.class);
RowIterator results = createMock(RowIterator.class);
expect(queryResult.getRows()).andReturn(results);
expect(results.getSize()).andReturn(500L).anyTimes();
Row dummyRow = createMock(Row.class);
Value val = createMock(Value.class);
expect(val.getString()).andReturn("").times(itemCount);
expect(dummyRow.getValue("jcr:path")).andReturn(val).times(itemCount);
expect(results.hasNext()).andReturn(true).anyTimes();
expect(results.nextRow()).andReturn(dummyRow).times(itemCount);
SlingHttpServletRequest request = createMock(SlingHttpServletRequest.class);
ResourceResolver resourceResolver = createMock(ResourceResolver.class);
Session session = createMock(Session.class);
Node resultNode = createMock(Node.class);
expect(resultNode.getPath()).andReturn("/path/to/node").anyTimes();
expect(resultNode.getName()).andReturn("node").anyTimes();
expect(request.getResourceResolver()).andReturn(resourceResolver).times(itemCount);
expect(resourceResolver.adaptTo(Session.class)).andReturn(session).times(itemCount);
expect(session.getItem("")).andReturn(resultNode).times(itemCount);
PropertyIterator propIterator = createMock(PropertyIterator.class);
expect(propIterator.hasNext()).andReturn(false).anyTimes();
expect(resultNode.getProperties()).andReturn(propIterator).anyTimes();
replay();
JSONWriter write = new JSONWriter(new PrintWriter(new ByteArrayOutputStream()));
write.array();
RowIterator iterator = queryResult.getRows();
int i = 0;
while (iterator.hasNext() && i < itemCount) {
processor.writeNode(request, write, null, iterator.nextRow());
i++;
}
write.endArray();
verify();
}
/**
* 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();
}
}
@Override
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response)
throws ServletException, IOException {
try {
final ResourceResolver resolver = request.getResourceResolver();
final String vanityPath = request.getParameter("vanityPath");
final String pagePath = request.getParameter("pagePath");
log.debug(
"vanity path parameter passed is {}; page path parameter passed is {}",
vanityPath,
pagePath);
response.setContentType("application/json");
response.setCharacterEncoding("UTF-8");
JSONWriter jsonWriter = new JSONWriter(response.getWriter());
jsonWriter.array();
if (StringUtils.isNotBlank(vanityPath)) {
String xpath =
"//element(*)[" + NameConstants.PN_SLING_VANITY_PATH + "='" + vanityPath + "']";
@SuppressWarnings("deprecation")
Iterator<Resource> resources = resolver.findResources(xpath, Query.XPATH);
while (resources.hasNext()) {
Resource resource = resources.next();
String path = resource.getPath();
if (path.startsWith("/content") && !path.equals(pagePath)) {
jsonWriter.value(path);
}
}
}
jsonWriter.endArray();
} catch (JSONException e) {
throw new ServletException("Unable to generate JSON result", e);
}
}
