/**
* Returns the Clearspace username of the user by id.
*
* @param id ID to retrieve Username of.
* @return The username of the user in Clearspace.
* @throws org.jivesoftware.openfire.user.UserNotFoundException If the user was not found.
*/
protected String getUsernameByID(Long id) throws UserNotFoundException {
// Checks if it is in the cache
if (usernameCache.containsKey(id)) {
return usernameCache.get(id);
}
// Gets the user's ID from Clearspace
try {
String path = ClearspaceUserProvider.USER_URL_PREFIX + "usersByID/" + id;
Element element =
executeRequest(org.jivesoftware.openfire.clearspace.ClearspaceManager.HttpType.GET, path);
String username =
WSUtils.getElementText(
element.selectSingleNode("return"), "username"); // TODO: is this right?
// Escape the username so that it can be used as a JID.
username = JID.escapeNode(username);
usernameCache.put(id, username);
return username;
} catch (UserNotFoundException unfe) {
// It is a supported exception, throw it again
throw unfe;
} catch (Exception e) {
// It is not a supported exception, wrap it into a UserNotFoundException
throw new UserNotFoundException("Unexpected error", e);
}
}
/**
* If CS throws an exception it handled and transalated to a Openfire exception if possible. This
* is done using <code>exceptionMap</code> that has a mapping from CS to OF. If no mapping is
* found then it tries to instantiete the original exception. If this fails it throws a <code>
* Exception</code> with the message of the CS exception.
*
* @param response the response from CS to check if it is an exception message.
* @throws Exception if the response is an exception message.
*/
private void checkFault(Element response) throws Exception {
Node node = response.selectSingleNode("ns1:faultstring");
if (node != null) {
String exceptionText = node.getText();
// Text accepted samples:
// 'java.lang.Exception: Exception message'
// 'java.lang.Exception'
// Get the exception class and message if any
int index = exceptionText.indexOf(":");
String className;
String message;
// If there is no message, save the class only
if (index == -1) {
className = exceptionText;
message = null;
} else {
// Else save both
className = exceptionText.substring(0, index);
message = exceptionText.substring(index + 2);
}
// Map the exception to a Openfire one, if possible
if (exceptionMap.containsKey(className)) {
className = exceptionMap.get(className);
}
// Tries to create an instance with the message
Exception exception;
try {
Class exceptionClass = Class.forName(className);
if (message == null) {
exception = (Exception) exceptionClass.newInstance();
} else {
Constructor constructor = exceptionClass.getConstructor(String.class);
exception = (Exception) constructor.newInstance(message);
}
} catch (Exception e) {
// failed to create an specific exception, creating a standard one.
exception = new Exception(exceptionText);
}
throw exception;
}
}
/**
* Returns the Clearspace user id the user by username.
*
* @param username Username to retrieve ID of.
* @return The ID number of the user in Clearspace.
* @throws org.jivesoftware.openfire.user.UserNotFoundException If the user was not found.
*/
protected long getUserID(String username) throws UserNotFoundException {
// Gets the part before of @ of the username param
if (username.contains("@")) {
// User's id are only for local users
if (!XMPPServer.getInstance().isLocal(new JID(username))) {
throw new UserNotFoundException("Cannot load user of remote server: " + username);
}
username = username.substring(0, username.lastIndexOf("@"));
}
// Checks if it is in the cache
if (userIDCache.containsKey(username)) {
return userIDCache.get(username);
}
// Un-escape username.
String unescapedUsername = JID.unescapeNode(username);
// Encode potentially non-ASCII characters
unescapedUsername = URLUTF8Encoder.encode(unescapedUsername);
// Gets the user's ID from Clearspace
try {
String path = ClearspaceUserProvider.USER_URL_PREFIX + "users/" + unescapedUsername;
Element element =
executeRequest(org.jivesoftware.openfire.clearspace.ClearspaceManager.HttpType.GET, path);
Long id = Long.valueOf(WSUtils.getElementText(element.selectSingleNode("return"), "ID"));
userIDCache.put(username, id);
return id;
} catch (UserNotFoundException unfe) {
// It is a supported exception, throw it again
throw unfe;
} catch (Exception e) {
// It is not a supported exception, wrap it into a UserNotFoundException
throw new UserNotFoundException("Unexpected error", e);
}
}
/**
* Returns the Clearspace group id of the group.
*
* @param groupname Name of the group to retrieve ID of.
* @return The ID number of the group in Clearspace.
* @throws org.jivesoftware.openfire.group.GroupNotFoundException If the group was not found.
*/
protected long getGroupID(String groupname) throws GroupNotFoundException {
if (groupIDCache.containsKey(groupname)) {
return groupIDCache.get(groupname);
}
try {
// Encode potentially non-ASCII characters
groupname = URLUTF8Encoder.encode(groupname);
String path = ClearspaceGroupProvider.URL_PREFIX + "groups/" + groupname;
Element element =
executeRequest(org.jivesoftware.openfire.clearspace.ClearspaceManager.HttpType.GET, path);
Long id = Long.valueOf(WSUtils.getElementText(element.selectSingleNode("return"), "ID"));
// Saves it into the cache
groupIDCache.put(groupname, id);
return id;
} catch (GroupNotFoundException gnfe) {
// It is a supported exception, throw it again
throw gnfe;
} catch (Exception e) {
// It is not a supported exception, wrap it into a GroupNotFoundException
throw new GroupNotFoundException("Unexpected error", e);
}
}