/**
* Add all items from the given sequence to the node set. All items have to be a subtype of node.
*
* @param other
* @throws XPathException
*/
public void addAll(Sequence other) throws XPathException {
if (!other.isEmpty() && !Type.subTypeOf(other.getItemType(), Type.NODE))
throw new XPathException("sequence argument is not a node sequence");
for (SequenceIterator i = other.iterate(); i.hasNext(); ) {
add(i.nextItem());
}
}
public static Sequence atomize(Sequence input) throws XPathException {
if (input.hasOne()) return input.itemAt(0).atomize();
Item next;
ValueSequence result = new ValueSequence();
for (SequenceIterator i = input.iterate(); i.hasNext(); ) {
next = i.nextItem();
result.add(next.atomize());
}
return result;
}
@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
NodeImpl report = null;
try {
// Only match documents that match these URLs
List<String> toBeMatchedURIs = new ArrayList<>();
Sequence pathSeq = getArgumentCount() == 2 ? args[0] : contextSequence;
if (pathSeq == null) return Sequence.EMPTY_SEQUENCE;
// Get first agument, these are the documents / collections to search in
for (SequenceIterator i = pathSeq.iterate(); i.hasNext(); ) {
String path;
Item item = i.nextItem();
if (Type.subTypeOf(item.getType(), Type.NODE)) {
if (((NodeValue) item).isPersistentSet()) {
path = ((NodeProxy) item).getDocument().getURI().toString();
} else {
path = item.getStringValue();
}
} else {
path = item.getStringValue();
}
toBeMatchedURIs.add(path);
}
// Get second argument, this is the query
String query;
if (getArgumentCount() == 1) query = args[0].itemAt(0).getStringValue();
else query = args[1].itemAt(0).getStringValue();
// Get the lucene worker
LuceneIndexWorker index =
(LuceneIndexWorker)
context.getBroker().getIndexController().getWorkerByIndexId(LuceneIndex.ID);
// Perform search
report = index.search(context, toBeMatchedURIs, query);
} catch (XPathException ex) {
// Log and rethrow
logger.error(ex);
throw ex;
}
// Return list of matching files.
return report;
}
/* (non-Javadoc)
* @see org.exist.xquery.BasicFunction#eval(org.exist.xquery.value.Sequence[], org.exist.xquery.value.Sequence)
*/
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
}
Sequence result;
// return 0 if the argument sequence is empty
// TODO : return empty sequence ?
if (args[0].isEmpty()) result = IntegerValue.ZERO;
else {
int count = 0;
for (SequenceIterator i = args[0].iterate(); i.hasNext(); ) {
Item next = i.nextItem();
if (Type.subTypeOf(next.getType(), Type.NODE)) {
NodeValue nv = (NodeValue) next;
if (nv.getImplementationType() != NodeValue.PERSISTENT_NODE)
throw new XPathException(
getASTNode(), getName() + " cannot be applied to in-memory nodes.");
NodeProxy np = (NodeProxy) nv;
Match match = np.getMatches();
while (match != null) {
if (match.getNodeId().isDescendantOrSelfOf(np.getNodeId())) {
count += match.getFrequency();
}
match = match.getNextMatch();
}
}
}
result = new IntegerValue(count);
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
/* (non-Javadoc)
* @see org.exist.xquery.Expression#eval(org.exist.dom.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
*/
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
logger.error(
"Use of deprecated function fn:doctype(). "
+ "It will be removed soon. Please "
+ "use util:doctype() instead.");
if (context.getProfiler().isEnabled()) {
context.getProfiler().start(this);
context
.getProfiler()
.message(
this,
Profiler.DEPENDENCIES,
"DEPENDENCIES",
Dependency.getDependenciesName(this.getDependencies()));
if (contextSequence != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
if (contextItem != null)
context
.getProfiler()
.message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
}
MutableDocumentSet docs = new DefaultDocumentSet();
for (int i = 0; i < getArgumentCount(); i++) {
Sequence seq = getArgument(i).eval(contextSequence, contextItem);
for (SequenceIterator j = seq.iterate(); j.hasNext(); ) {
String next = j.nextItem().getStringValue();
context.getBroker().getXMLResourcesByDoctype(next, docs);
}
}
NodeSet result = new ExtArrayNodeSet(1);
for (Iterator i = docs.getDocumentIterator(); i.hasNext(); ) {
result.add(new NodeProxy((DocumentImpl) i.next(), NodeId.DOCUMENT_NODE));
}
if (context.getProfiler().isEnabled()) context.getProfiler().end(this, "", result);
return result;
}
public static void serialize(
XQueryContext context, SequenceIterator siNode, Properties outputProperties, OutputStream os)
throws IOException {
LOG.debug("Serializing started.");
SAXSerializer sax =
(SAXSerializer) SerializerPool.getInstance().borrowObject(SAXSerializer.class);
try {
String encoding = outputProperties.getProperty(OutputKeys.ENCODING, "UTF-8");
Writer writer = new OutputStreamWriter(os, encoding);
sax.setOutput(writer, outputProperties);
Serializer serializer = context.getBroker().getSerializer();
serializer.reset();
serializer.setProperties(outputProperties);
serializer.setReceiver(sax);
sax.startDocument();
while (siNode.hasNext()) {
NodeValue next = (NodeValue) siNode.nextItem();
serializer.toSAX(next);
}
sax.endDocument();
writer.close();
} catch (Exception e) {
String txt = "A problem ocurred while serializing the node set";
LOG.debug(txt + ".", e);
throw new ExistIOException(txt + ": " + e.getMessage(), e);
} finally {
LOG.debug("Serializing done.");
SerializerPool.getInstance().returnObject(sax);
}
}
/*
* (non-Javadoc)
*
* @see org.exist.xquery.Expression#eval(org.exist.dom.DocumentSet,
* org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
*/
@Override
public Sequence eval(Sequence args[], Sequence contextSequence) throws XPathException {
final String groupName = args[0].getStringValue();
if ("guest".equals(context.getSubject().getName()) || "dba".equals(groupName)) {
final XPathException xPathException =
new XPathException(
this,
"Permission denied, calling account '"
+ context.getSubject().getName()
+ "' must be an authenticated account to call this function.");
logger.error("Invalid user", xPathException);
throw xPathException;
}
logger.info("Attempting to create group " + groupName);
Group group = new GroupAider(groupName);
final DBBroker broker = context.getBroker();
final Subject currentUser = broker.getSubject();
try {
final SecurityManager sm = broker.getBrokerPool().getSecurityManager();
// add the current user as a group manager
group.addManager(currentUser);
if (args.length == 2) {
// add the additional group managers, this also makes sure they
// all exist first!
for (final SequenceIterator i = args[1].iterate(); i.hasNext(); ) {
final String groupManager = i.nextItem().getStringValue();
final Account groupManagerAccount = sm.getAccount(groupManager);
if (groupManagerAccount == null) {
logger.error("Could not find the user: "******"Permission denied, calling account '"
+ context.getSubject().getName()
+ "' do not authorize to call this function.");
} catch (final EXistException exe) {
logger.error("Failed to create group: " + group, exe);
}
return BooleanValue.FALSE;
}
/**
* @see org.xml.sax.ContentHandler#startElement(java.lang.String, java.lang.String,
* java.lang.String, org.xml.sax.Attributes)
*/
public void startElement(String namespaceURI, String localName, String qName, Attributes atts)
throws SAXException {
// save accumulated character content
if (inModification && charBuf.length() > 0) {
// String normalized = charBuf.toString();
final String normalized =
preserveWhitespace
? charBuf.toString()
: charBuf.getNormalizedString(FastStringBuffer.SUPPRESS_BOTH);
if (normalized.length() > 0) {
final Text text = doc.createTextNode(charBuf.toString());
if (stack.isEmpty()) {
// LOG.debug("appending text to fragment: " + text.getData());
contents.add(text);
} else {
final Element last = stack.peek();
last.appendChild(text);
}
}
charBuf.setLength(0);
}
if (namespaceURI.equals(XUPDATE_NS)) {
String select = null;
if (localName.equals(MODIFICATIONS)) {
startModifications(atts);
return;
} else if (localName.equals(VARIABLE)) {
// variable declaration
startVariableDecl(atts);
return;
} else if (IF.equals(localName)) {
if (inModification) {
throw new SAXException("xupdate:if is not allowed inside a modification");
}
select = atts.getValue("test");
final Conditional cond =
new Conditional(broker, documentSet, select, namespaces, variables);
cond.setAccessContext(accessCtx);
conditionals.push(cond);
return;
} else if (VALUE_OF.equals(localName)) {
if (!inModification) {
throw new SAXException("xupdate:value-of is not allowed outside a modification");
}
} else if (APPEND.equals(localName)
|| INSERT_BEFORE.equals(localName)
|| INSERT_AFTER.equals(localName)
|| REMOVE.equals(localName)
|| RENAME.equals(localName)
|| UPDATE.equals(localName)
|| REPLACE.equals(localName)) {
if (inModification) {
throw new SAXException("nested modifications are not allowed");
}
select = atts.getValue("select");
if (select == null) {
throw new SAXException(localName + " requires a select attribute");
}
doc = builder.newDocument();
contents = new NodeListImpl();
inModification = true;
} else if ((ELEMENT.equals(localName)
|| ATTRIBUTE.equals(localName)
|| TEXT.equals(localName)
|| PROCESSING_INSTRUCTION.equals(localName)
|| COMMENT.equals(localName))) {
if (!inModification) {
throw new SAXException("creation elements are only allowed inside " + "a modification");
}
charBuf.setLength(0);
} else {
throw new SAXException("Unknown XUpdate element: " + qName);
}
// start a new modification section
if (APPEND.equals(localName)) {
final String child = atts.getValue("child");
modification = new Append(broker, documentSet, select, child, namespaces, variables);
} else if (UPDATE.equals(localName)) {
modification = new Update(broker, documentSet, select, namespaces, variables);
} else if (INSERT_BEFORE.equals(localName)) {
modification =
new Insert(broker, documentSet, select, Insert.INSERT_BEFORE, namespaces, variables);
} else if (INSERT_AFTER.equals(localName)) {
modification =
new Insert(broker, documentSet, select, Insert.INSERT_AFTER, namespaces, variables);
} else if (REMOVE.equals(localName)) {
modification = new Remove(broker, documentSet, select, namespaces, variables);
} else if (RENAME.equals(localName)) {
modification = new Rename(broker, documentSet, select, namespaces, variables);
} else if (REPLACE.equals(localName)) {
modification = new Replace(broker, documentSet, select, namespaces, variables);
}
// process commands for node creation
else if (ELEMENT.equals(localName)) {
String name = atts.getValue("name");
if (name == null) {
throw new SAXException("element requires a name attribute");
}
final int p = name.indexOf(':');
String namespace = null;
String prefix = "";
if (p != Constants.STRING_NOT_FOUND) {
prefix = name.substring(0, p);
if (name.length() == p + 1) {
throw new SAXException("illegal prefix in qname: " + name);
}
name = name.substring(p + 1);
namespace = atts.getValue("namespace");
if (namespace == null) {
namespace = (String) namespaces.get(prefix);
}
if (namespace == null) {
throw new SAXException("no namespace defined for prefix " + prefix);
}
}
Element elem;
if (namespace != null && namespace.length() > 0) {
elem = doc.createElementNS(namespace, name);
elem.setPrefix(prefix);
} else {
elem = doc.createElement(name);
}
if (stack.isEmpty()) {
contents.add(elem);
} else {
final Element last = stack.peek();
last.appendChild(elem);
}
this.setWhitespaceHandling((Element) stack.push(elem));
} else if (ATTRIBUTE.equals(localName)) {
final String name = atts.getValue("name");
if (name == null) {
throw new SAXException("attribute requires a name attribute");
}
final int p = name.indexOf(':');
String namespace = null;
if (p != Constants.STRING_NOT_FOUND) {
final String prefix = name.substring(0, p);
if (name.length() == p + 1) {
throw new SAXException("illegal prefix in qname: " + name);
}
namespace = atts.getValue("namespace");
if (namespace == null) {
namespace = (String) namespaces.get(prefix);
}
if (namespace == null) {
throw new SAXException("no namespace defined for prefix " + prefix);
}
}
Attr attrib =
namespace != null && namespace.length() > 0
? doc.createAttributeNS(namespace, name)
: doc.createAttribute(name);
if (stack.isEmpty()) {
for (int i = 0; i < contents.getLength(); i++) {
final Node n = contents.item(i);
String ns = n.getNamespaceURI();
final String nname = ns == null ? n.getNodeName() : n.getLocalName();
if (ns == null) {
ns = "";
}
// check for duplicate attributes
if (n.getNodeType() == Node.ATTRIBUTE_NODE
&& nname.equals(name)
&& ns.equals(namespace)) {
throw new SAXException(
"The attribute " + attrib.getNodeName() + " cannot be specified twice");
}
}
contents.add(attrib);
} else {
final Element last = (Element) stack.peek();
if (namespace != null && last.hasAttributeNS(namespace, name)
|| namespace == null && last.hasAttribute(name)) {
throw new SAXException(
"The attribute "
+ attrib.getNodeName()
+ " cannot be specified "
+ "twice on the same element");
}
if (namespace != null) {
last.setAttributeNodeNS(attrib);
} else {
last.setAttributeNode(attrib);
}
}
inAttribute = true;
currentNode = attrib;
// process value-of
} else if (VALUE_OF.equals(localName)) {
select = atts.getValue("select");
if (select == null) {
throw new SAXException("value-of requires a select attribute");
}
final Sequence seq = processQuery(select);
if (LOG.isDebugEnabled()) {
LOG.debug("Found " + seq.getItemCount() + " items for value-of");
}
Item item;
try {
for (final SequenceIterator i = seq.iterate(); i.hasNext(); ) {
item = i.nextItem();
if (Type.subTypeOf(item.getType(), Type.NODE)) {
final Node node = NodeSetHelper.copyNode(doc, ((NodeValue) item).getNode());
if (stack.isEmpty()) {
contents.add(node);
} else {
final Element last = (Element) stack.peek();
last.appendChild(node);
}
} else {
final String value = item.getStringValue();
characters(value.toCharArray(), 0, value.length());
}
}
} catch (final XPathException e) {
throw new SAXException(e.getMessage(), e);
}
}
} else if (inModification) {
final Element elem =
namespaceURI != null && namespaceURI.length() > 0
? doc.createElementNS(namespaceURI, qName)
: doc.createElement(qName);
Attr a;
for (int i = 0; i < atts.getLength(); i++) {
final String name = atts.getQName(i);
final String nsURI = atts.getURI(i);
if (name.startsWith("xmlns")) {
// Why are these showing up? They are supposed to be stripped out?
} else {
a = nsURI != null ? doc.createAttributeNS(nsURI, name) : doc.createAttribute(name);
a.setValue(atts.getValue(i));
if (nsURI != null) {
elem.setAttributeNodeNS(a);
} else {
elem.setAttributeNode(a);
}
}
}
if (stack.isEmpty()) {
contents.add(elem);
} else {
final Element last = (Element) stack.peek();
last.appendChild(elem);
}
this.setWhitespaceHandling((Element) stack.push(elem));
}
}
