/**
* This method stores an xml document given as an org.w3c.dom.Document to the database giving it
* an indentifier. If the identifier provided is null, then the database generates a unique
* identifier on its own.
*
* @param doc The dom represntation of the document to be stored as an org.w3c.dom.Document.
* @param resourceId The resourceId to give to the document as a unique identifier within the
* database. If null a unique identifier is automatically generated.
* @param collection The name of the collection to store the document under. If it does not exist,
* it is created.
* @param username The identifier of the user calling the method used for authentication.
* @param password The password of the user calling the method used for authentication.
*/
public void storeDomDocument(
Document doc, String resourceId, String collection, String username, String password) {
try {
// initialize driver
Class cl = Class.forName(_driver);
Database database = (Database) cl.newInstance();
DatabaseManager.registerDatabase(database);
// try to get collection
Collection col = DatabaseManager.getCollection(_URI + collection, username, password);
if (col == null) {
// collection does not exist: get root collection and create
// for simplicity, we assume that the new collection is a
// direct child of the root collection, e.g. /db/test.
// the example will fail otherwise.
Collection root = DatabaseManager.getCollection(_URI + "/db");
CollectionManagementService mgtService =
(CollectionManagementService) root.getService("CollectionManagementService", "1.0");
col = mgtService.createCollection(collection.substring("/db".length()));
}
// create new XMLResource; an id will be assigned to the new resource
XMLResource document = (XMLResource) col.createResource(resourceId, "XMLResource");
document.setContentAsDOM(doc.getDocumentElement());
col.storeResource(document);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 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();
}
}
