/**
* A real node-function (using the node argument). Returns the next newer node of same type. Also
* a nice example on the difference between core and bridge.
*/
public Object successor() {
if (node == null) throw new IllegalArgumentException("successor is a node-function");
if (cloud != null) {
log.debug("Using bridge (security restrictions will be honoured)");
NodeManager nm = node.getNodeManager();
NodeQuery q = nm.createQuery();
StepField field = q.getStepField(nm.getField("number"));
q.setConstraint(
q.createConstraint(
field, FieldCompareConstraint.GREATER, Integer.valueOf(node.getNumber())));
q.addSortOrder(field, SortOrder.ORDER_ASCENDING);
q.setMaxNumber(1);
NodeIterator i = nm.getList(q).nodeIterator();
return i.hasNext() ? i.nextNode() : null;
} else {
log.debug("Using core.");
throw new UnsupportedOperationException("Core implementation was dropped. See source code.");
/* This is how it would go with core objects
MMObjectBuilder builder = MMBase.getMMBase().getBuilder(node.getNodeManager().getName());
NodeSearchQuery query = new NodeSearchQuery(builder);
StepField field = query.getField(builder.getField("number"));
BasicFieldValueConstraint cons = new BasicFieldValueConstraint(field, node.getNumber());
cons.setOperator(FieldCompareConstraint.GREATER);
query.setConstraint(cons);
query.addSortOrder(field);
query.setMaxNumber(1);
try {
java.util.Iterator<MMObjectNode> i = builder.getNodes(query).iterator();
return i.hasNext() ? i.next() : null;
} catch (Exception e) {
return null;
}
*/
}
}
/** Recursively outputs the contents of the given node. */
private static void dump(Node node) throws RepositoryException {
// First output the node path
System.out.println(node.getPath());
// Skip the virtual (and large!) jcr:system subtree
if (node.getName().equals("jcr:system")) {
return;
}
// Then output the properties
PropertyIterator properties = node.getProperties();
while (properties.hasNext()) {
Property property = properties.nextProperty();
if (property.getDefinition().isMultiple()) {
// A multi-valued property, print all values
Value[] values = property.getValues();
for (int i = 0; i < values.length; i++) {
System.out.println(property.getPath() + " = " + values[i].getString());
}
} else {
// A single-valued property
System.out.println(property.getPath() + " = " + property.getString());
}
}
// Finally output all the child nodes recursively
NodeIterator nodes = node.getNodes();
while (nodes.hasNext()) {
dump(nodes.nextNode());
}
}
/**
* Evaluate a node-set object, returning an ArrayList of the node set.
*
* @param node the current node
* @param env the variable environment
* @return an array list of the nodes
*/
public Object evalObject(Node node, ExprEnvironment env) throws XPathException {
NodeListImpl list = new NodeListImpl();
NodeIterator iter = _pattern.select(node, env);
Node value = null;
while ((value = iter.nextNode()) != null) list.add(value);
return list;
}
public VNodeDefinition(Node node) throws RepositoryException {
name = node.getProperty(JCR_NODETYPENAME).getString();
// do properties
properties = new HashMap<String, VPropertyDefinitionI>();
childSuggestions = new HashMap<String, String>();
NodeIterator nodeIterator = node.getNodes();
while (nodeIterator.hasNext()) {
Node definitionNode = nodeIterator.nextNode();
String nodeType = definitionNode.getProperty(AbstractProperty.JCR_PRIMARYTYPE).getString();
// do a property
if (NT_PROPERTYDEFINITION.equals(nodeType)) {
String propertyName = "*"; // default to wildcard name
if (definitionNode.hasProperty(JCR_NAME)) {
// only add non-autogenerated properties
if (!definitionNode.getProperty(JCR_AUTOCREATED).getBoolean()) {
propertyName = definitionNode.getProperty(JCR_NAME).getString();
properties.put(propertyName, new VPropertyDefinition(definitionNode));
}
} else {
// property with no name means this node can accept custom properties
canAddProperties = true;
}
}
// do a child suggestion
if (NT_CHILDNODEDEFINITION.equals(nodeType)) {
String childName = "*";
// only do well-defined childnodedefinitions with the following 2 jcr properties
if (definitionNode.hasProperty(JCR_NAME)
&& definitionNode.hasProperty(JCR_DEFAULTPRIMARYTYPE)) {
childSuggestions.put(
definitionNode.getProperty(JCR_NAME).getString(),
definitionNode.getProperty(JCR_DEFAULTPRIMARYTYPE).getString());
}
}
}
// do supertypes
supertypes = new HashSet<String>();
if (node.hasProperty(JCR_SUPERTYPES)) {
for (Value value : node.getProperty(JCR_SUPERTYPES).getValues()) {
supertypes.add(value.getString());
}
}
// set mixin status
isMixin = node.hasProperty(JCR_ISMIXIN) && node.getProperty(JCR_ISMIXIN).getBoolean();
}
public static void buildDefinitions(Session session) {
log.info("started building node definitions");
String nodeName = "";
try {
allNodes = new HashMap<String, VNodeDefinition>();
Node rootNode = session.getNode("/jcr:system/jcr:nodeTypes");
NodeIterator nodeIterator = rootNode.getNodes();
while (nodeIterator.hasNext()) {
Node node = nodeIterator.nextNode();
nodeName = node.getName();
VNodeDefinition vNodeDefinition = new VNodeDefinition(node);
customizeDefinition(vNodeDefinition); // possibly customize this definition
allNodes.put(nodeName, vNodeDefinition);
}
log.info("finished building nodes");
} catch (RepositoryException re) {
log.warn("Could not build node definitions, died at " + nodeName, re);
} finally {
if (session != null) session.logout();
}
}
@GET
@Path("/{type}")
@Produces({Utils.MEDIA_TYPE_APPLICATION_HAL_PLUS_JSON, MediaType.APPLICATION_JSON})
public Object getByType(
@PathParam("workspace") String workspace,
@PathParam("language") String language,
@PathParam("type") String type,
@QueryParam("nameContains") List<String> nameConstraints,
@QueryParam("orderBy") String orderBy,
@QueryParam("limit") int limit,
@QueryParam("offset") int offset,
@QueryParam("depth") int depth,
@Context UriInfo context) {
if (API.isQueryDisabled()) {
APIExceptionMapper.LOGGER.debug("Types endpoint is disabled. Attempted query on " + type);
return Response.status(Response.Status.NOT_FOUND).build();
}
final String unescapedNodetype = Names.unescape(type);
if (API.excludedNodeTypes.contains(unescapedNodetype)) {
return Response.status(Response.Status.FORBIDDEN)
.entity("'" + unescapedNodetype + "' is not available for querying.")
.build();
}
Session session = null;
try {
session = getSession(workspace, language);
final QueryObjectModelFactory qomFactory =
session.getWorkspace().getQueryManager().getQOMFactory();
final ValueFactory valueFactory = session.getValueFactory();
final Selector selector = qomFactory.selector(unescapedNodetype, SELECTOR_NAME);
// language constraint: either jcr:language doesn't exist or jcr:language is current language
Constraint constraint =
qomFactory.or(
qomFactory.not(qomFactory.propertyExistence(SELECTOR_NAME, Constants.JCR_LANGUAGE)),
stringComparisonConstraint(
qomFactory.propertyValue(SELECTOR_NAME, Constants.JCR_LANGUAGE),
language,
qomFactory,
valueFactory));
// if we have passed "nameContains" query parameters, only return nodes which name contains
// the specified terms
if (nameConstraints != null && !nameConstraints.isEmpty()) {
for (String name : nameConstraints) {
final Comparison likeConstraint =
qomFactory.comparison(
qomFactory.nodeLocalName(SELECTOR_NAME),
QueryObjectModelFactory.JCR_OPERATOR_LIKE,
qomFactory.literal(
valueFactory.createValue("%" + name + "%", PropertyType.STRING)));
constraint = qomFactory.and(constraint, likeConstraint);
}
}
Ordering[] orderings = null;
// ordering deactivated because it currently doesn't work, probably due to a bug in
// QueryServiceImpl
if (Utils.exists(orderBy)) {
if ("desc".equalsIgnoreCase(orderBy)) {
orderings =
new Ordering[] {qomFactory.descending(qomFactory.nodeLocalName(SELECTOR_NAME))};
} else {
orderings =
new Ordering[] {qomFactory.ascending(qomFactory.nodeLocalName(SELECTOR_NAME))};
}
}
final QueryObjectModel query =
qomFactory.createQuery(
selector,
constraint,
orderings,
new Column[] {qomFactory.column(SELECTOR_NAME, null, null)});
if (limit > 0) {
query.setLimit(limit);
}
query.setOffset(offset);
final QueryResult queryResult = query.execute();
final NodeIterator nodes = queryResult.getNodes();
final List<JSONNode> result = new LinkedList<JSONNode>();
final Filter filter = Utils.getFilter(context);
while (nodes.hasNext()) {
final Node resultNode = nodes.nextNode();
if (filter.acceptChild(resultNode)) {
JSONNode node = getFactory().createNode(resultNode, filter, depth);
result.add(node);
}
}
return Response.ok(result).build();
} catch (Exception e) {
throw new APIException(e);
} finally {
closeSession(session);
}
}
