+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot diff " + reference + " and "
+ + observed, e);
+ }
+ return diffs;
+ }
+
+ /** Builds a property relPath to be used in the diff. */
+ private static String propertyRelPath(String baseRelPath,
+ String propertyName) {
+ if (baseRelPath == null)
+ return propertyName;
+ else
+ return baseRelPath + '/' + propertyName;
+ }
+
+ /**
+ * Normalize a name so taht it can be stores in contexts not supporting
+ * names with ':' (typically databases). Replaces ':' by '_'.
+ */
+ public static String normalize(String name) {
+ return name.replace(':', '_');
+ }
+
+ /** Cleanly disposes a {@link Binary} even if it is null. */
+ public static void closeQuietly(Binary binary) {
+ if (binary == null)
+ return;
+ binary.dispose();
+ }
+
+ /**
+ * Creates depth from a string (typically a username) by adding levels based
+ * on its first characters: "aBcD",2 => a/aB
+ */
+ public static String firstCharsToPath(String str, Integer nbrOfChars) {
+ if (str.length() < nbrOfChars)
+ throw new ArgeoException("String " + str
+ + " length must be greater or equal than " + nbrOfChars);
+ StringBuffer path = new StringBuffer("");
+ StringBuffer curr = new StringBuffer("");
+ for (int i = 0; i < nbrOfChars; i++) {
+ curr.append(str.charAt(i));
+ path.append(curr);
+ if (i < nbrOfChars - 1)
+ path.append('/');
+ }
+ return path.toString();
+ }
+
+ /**
+ * Wraps the call to the repository factory based on parameter
+ * {@link ArgeoJcrConstants#JCR_REPOSITORY_ALIAS} in order to simplify it
+ * and protect against future API changes.
+ */
+ public static Repository getRepositoryByAlias(
+ RepositoryFactory repositoryFactory, String alias) {
+ try {
+ Map<String, String> parameters = new HashMap<String, String>();
+ parameters.put(JCR_REPOSITORY_ALIAS, alias);
+ return repositoryFactory.getRepository(parameters);
+ } catch (RepositoryException e) {
+ throw new ArgeoException(
+ "Unexpected exception when trying to retrieve repository with alias "
+ + alias, e);
+ }
+ }
+
+ /**
+ * Wraps the call to the repository factory based on parameter
+ * {@link ArgeoJcrConstants#JCR_REPOSITORY_URI} in order to simplify it and
+ * protect against future API changes.
+ */
+ public static Repository getRepositoryByUri(
+ RepositoryFactory repositoryFactory, String uri) {
+ try {
+ Map<String, String> parameters = new HashMap<String, String>();
+ parameters.put(JCR_REPOSITORY_URI, uri);
+ return repositoryFactory.getRepository(parameters);
+ } catch (RepositoryException e) {
+ throw new ArgeoException(
+ "Unexpected exception when trying to retrieve repository with uri "
+ + uri, e);
+ }
+ }
+
+ /**
+ * Discards the current changes in a session by calling
+ * {@link Session#refresh(boolean)} with <code>false</code>, only logging
+ * potential errors when doing so. To be used typically in a catch block.
+ */
+ public static void discardQuietly(Session session) {
+ try {
+ if (session != null)
+ session.refresh(false);
+ } catch (RepositoryException e) {
+ log.warn("Cannot quietly discard session " + session + ": "
+ + e.getMessage());
+ }
+ }
+
+ /** Logs out the session, not throwing any exception, even if it is null. */
+ public static void logoutQuietly(Session session) {
+ if (session != null)
+ session.logout();
+ }
+
+ /** Returns the home node of the session user or null if none was found. */
+ public static Node getUserHome(Session session) {
+ String userID = session.getUserID();
+ return getUserHome(session, userID);
+ }
+
+ /**
+ * Returns user home has path, embedding exceptions. Contrary to
+ * {@link #getUserHome(Session)}, it never returns null but throws and
+ * exception if not found.
+ */
+ public static String getUserHomePath(Session session) {
+ String userID = session.getUserID();
+ try {
+ Node userHome = getUserHome(session, userID);
+ if (userHome != null)
+ return userHome.getPath();
+ else
+ throw new ArgeoException("No home registered for " + userID);
+ } catch (RepositoryException e) {
+ throw new ArgeoException("Cannot find user home path", e);