com.ithit.webdav.server

Interface Lock

public interface Lock

Defines methods that WebDAV Class 2 compliant server hierarchy items must implement.

Classes that implement this interface represent WebDAV Class 2 hierarchy items. To create WebDAV Class 2 compliant server you must implement this interface on your file items and folder items.

Method Summary

Modifier and Type	Method and Description
List<LockInfo>	getActiveLocks() Gets the array of all locks for this item.
LockResult	lock(boolean shared, boolean deep, long timeout, String owner) Locks this item.
RefreshLockResult	refreshLock(String token, long timeout) Updates lock timeout information on this item.
void	unlock(String lockToken) Removes lock with the specified token from this item.

Method Detail

getActiveLocks

List<LockInfo> getActiveLocks()
                       throws ServerException

Gets the array of all locks for this item.

This method must return all locks for the item including deep locks on any of the parent folders. All fields of each LockInfo structure in the array must be set.

Returns:

Array of locks.

Throws:

ServerException - In case of an error. <<<< getActiveLocksImpl >>>>

lock

LockResult lock(boolean shared,
                boolean deep,
                long timeout,
                String owner)
         throws LockedException,
                MultistatusException,
                ServerException

Locks this item.

In your Lock implementation you must generate lock token and create LockResult class instance. You must also associate generated token with the hierarchy item in your repository during this call. The token is sent to the WebDAV client.

Parameters:

shared - Indicates whether a lock is shared or exclusive.

deep - Indicates whether a lock is enforceable on the subtree.

timeout - Lock expiration time in seconds. Negative value means never.

owner - Provides information about the principal taking out a lock.

Returns:

Actually applied lock (Server may modify timeout).

Throws:

LockedException - The item is locked, so the method has been rejected.

MultistatusException - Errors have occured during processing of the subtree.

ServerException - In case of an error <<<< lockImpl >>>>

refreshLock

RefreshLockResult refreshLock(String token,
                              long timeout)
                       throws PreconditionFailedException,
                              ServerException

Updates lock timeout information on this item.

Parameters:

token - The lock token associated with a lock.

timeout - Lock expiration time in seconds. Negative value means never.

Returns:

Actually applied lock (Server may modify timeout).

Throws:

PreconditionFailedException - Included lock token was not enforceable on this item.

ServerException - In case of an error. <<<< refreshLockImpl >>>>

unlock

void unlock(String lockToken)
     throws PreconditionFailedException,
            ServerException

Removes lock with the specified token from this item.

If this lock included more than one hierarchy item, the lock is removed from all items included in the lock.

Parameters:

lockToken - Lock with this token should be removed from the item.

Throws:

PreconditionFailedException - Included lock token was not enforceable on this item.

ServerException - In case of an error. <<<< unlockImpl >>>>