/* (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 {
final String userName = args[0].getStringValue();
Collection collection = null;
try {
collection =
new LocalCollection(
context.getSubject(),
context.getBroker().getBrokerPool(),
XmldbURI.ROOT_COLLECTION_URI,
context.getAccessContext());
final UserManagementService ums =
(UserManagementService) collection.getService("UserManagementService", "1.0");
final Account user = ums.getAccount(userName);
if (user == null)
// todo - why not just return false()? /ljo
{
return Sequence.EMPTY_SEQUENCE;
}
return user.hasDbaRole() ? BooleanValue.TRUE : BooleanValue.FALSE;
} catch (final XMLDBException xe) {
logger.error("Failed to access user " + userName);
throw new XPathException(this, "Failed to access user " + userName, xe);
} finally {
if (null != collection)
try {
collection.close();
} catch (final XMLDBException e) {
/* ignore */
}
}
}
/**
* Main method of the example class.
*
* @param args (ignored) command-line arguments
* @throws Exception exception
*/
public static void main(final String[] args) throws Exception {
System.out.println("=== XMLDBInsert ===");
// Collection instance
Collection col = null;
try {
// Register the database
Class<?> c = Class.forName(DRIVER);
Database db = (Database) c.newInstance();
DatabaseManager.registerDatabase(db);
System.out.println("\n* Get collection.");
// Receive the collection
col = DatabaseManager.getCollection(DBNAME);
// ID for the new document
String id = "world";
// Content of the new document
String doc = "<xml>Hello World!</xml>";
System.out.println("\n* Create new resource.");
// Create a new XML resource with the specified ID
XMLResource res = (XMLResource) col.createResource(id, XMLResource.RESOURCE_TYPE);
// Set the content of the XML resource as the document
res.setContent(doc);
System.out.println("\n* Store new resource.");
// Store the resource into the database
col.storeResource(res);
} catch (final XMLDBException ex) {
// Handle exceptions
System.err.println("XML:DB Exception occurred " + ex.errorCode);
ex.printStackTrace();
} finally {
// Close the collection
if (col != null) col.close();
}
}
/**
* Main method of the example class.
*
* @param args (ignored) command-line arguments
* @throws Exception exception
*/
public static void main(final String[] args) throws Exception {
System.out.println("=== XMLDBQuery ===\n");
System.out.println("* Run query via XML:DB:");
// Collection instance
Collection coll = null;
try {
// Register the database
Class<?> c = Class.forName(DRIVER);
Database db = (Database) c.newInstance();
DatabaseManager.registerDatabase(db);
// Receive the database
coll = DatabaseManager.getCollection(DBNAME);
// Receive the XPath query service
XPathQueryService service = (XPathQueryService) coll.getService("XPathQueryService", "1.0");
// Execute the query and receives all results
ResourceSet set = service.query(QUERY);
// Create a result iterator
ResourceIterator iter = set.getIterator();
// Loop through all result items
while (iter.hasMoreResources()) {
// Receive the next results
Resource res = iter.nextResource();
// Write the result to the console
System.out.println(res.getContent());
}
} catch (final XMLDBException ex) {
// Handle exceptions
System.err.println("XML:DB Exception occured " + ex.errorCode);
} finally {
// Close the collection
if (coll != null) coll.close();
}
}
/*
* (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 args[], Sequence contextSequence) throws XPathException {
if (!context.getSubject().hasDbaRole()) {
final XPathException xPathException =
new XPathException(
this,
"Permission denied, calling user '"
+ context.getSubject().getName()
+ "' must be a DBA to call this function.");
logger.error("Invalid user", xPathException);
throw xPathException;
}
final String user = args[0].getStringValue();
final String pass = args[1].getStringValue();
logger.info("Attempting to create user " + user);
final UserAider userObj = new UserAider(user);
userObj.setPassword(pass);
// changed by wolf: the first group is always the primary group, so we
// don't need
// an additional argument
final Sequence groups = args[2];
final int len = groups.getItemCount();
for (int x = 0; x < len; x++) {
userObj.addGroup(groups.itemAt(x).getStringValue());
}
Collection collection = null;
try {
collection =
new LocalCollection(
context.getSubject(),
context.getBroker().getBrokerPool(),
XmldbURI.ROOT_COLLECTION_URI,
context.getAccessContext());
final UserManagementService ums =
(UserManagementService) collection.getService("UserManagementService", "1.0");
ums.addAccount(userObj);
} catch (final XMLDBException xe) {
logger.error("Failed to create user: "******"Failed to create user: "******"Failed to create new user '" + user + "' by " + context.getSubject().getName(),
xe);
} finally {
if (null != collection)
try {
collection.close();
} catch (final XMLDBException e) {
/* ignore */
}
}
return Sequence.EMPTY_SEQUENCE;
}