ro.sync.net.protocol.http

Class WebdavLockHelper

java.lang.Object

ro.sync.net.protocol.http.WebdavLockHelper

@API(src=PRIVATE,
     type=NOT_EXTENDABLE)
public class WebdavLockHelper
extends java.lang.Object

Helper class that allows one to implement locking for a WebDAV server in a multi-user scenario.

Constructor Summary

Constructors

Constructor and Description
WebdavLockHelper() Constructor.

Method Summary

Modifier and Type	Method and Description
void	addLockHeader(java.lang.String sessionId, java.net.HttpURLConnection conn) Adds the lock header so that we can perform write operations on a resource that we locked ourselves.
long	getServerPreferredTimeout()
boolean	isLockEnabled() Checks if locking is enabled.
boolean	isSaveAllowed(java.lang.String sessionId, java.net.URL url, int timeoutSeconds) Checks if save is allowed for a resource identified by its URL.
void	setLockOwner(java.lang.String sessionId, java.lang.String lockOwnerName) Sets the lock owner for the specified session Id.
void	unlock(java.lang.String sessionId, java.net.URL resource) Unlock a given resource.
void	updateLock(java.lang.String sessionId, java.net.URL resource, int lockTimeoutSeconds) Lock a given resource.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

WebdavLockHelper

public WebdavLockHelper()

Constructor.

Method Detail

updateLock

public void updateLock(java.lang.String sessionId,
                       java.net.URL resource,
                       int lockTimeoutSeconds)
                throws LockException

Lock a given resource.

Parameters:

sessionId - The session ID.

resource - The resource to lock

lockTimeoutSeconds - The timeout in seconds.

Throws:

LockException

setLockOwner

public void setLockOwner(java.lang.String sessionId,
                         java.lang.String lockOwnerName)

Sets the lock owner for the specified session Id.

Parameters:

sessionId - The session Id.

lockOwnerName - The lock owner.

unlock

public void unlock(java.lang.String sessionId,
                   java.net.URL resource)
            throws LockException

Unlock a given resource.

Parameters:

sessionId - The session Id.

resource - The resource to unlock

Throws:

LockException

isLockEnabled

public boolean isLockEnabled()

Checks if locking is enabled.

Returns:

true if locking is enabled

getServerPreferredTimeout

public long getServerPreferredTimeout()

Returns:

The server preferred timeout.

isSaveAllowed

public boolean isSaveAllowed(java.lang.String sessionId,
                             java.net.URL url,
                             int timeoutSeconds)

Checks if save is allowed for a resource identified by its URL.

Parameters:

sessionId - The session ID.

url - The URL for which the check is performed.

timeoutSeconds - The timeout in seconds to set for the lock .

Returns:

true if saving is allowed.

addLockHeader

public void addLockHeader(java.lang.String sessionId,
                          java.net.HttpURLConnection conn)

Adds the lock header so that we can perform write operations on a resource that we locked ourselves.

Parameters:

sessionId - The session ID.

conn - The connection to enrich with the lock header.