org.apache.jackrabbit.webdav.jcr.version

Class VersionHistoryItemCollection

java.lang.Object

org.apache.jackrabbit.webdav.jcr.DefaultItemCollection

org.apache.jackrabbit.webdav.jcr.version.VersionHistoryItemCollection

All Implemented Interfaces:

JcrRemotingConstants, DavResource, ItemResourceConstants, ObservationResource, OrderingResource, SearchResource, TransactionResource, DeltaVResource, VersionHistoryResource

public class VersionHistoryItemCollection
extends DefaultItemCollection
implements VersionHistoryResource

VersionHistoryItemCollection represents a JCR version history.

See Also:

VersionHistory

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	initedProps
protected Item	item
protected DavPropertyNameSet	names
protected DavPropertySet	properties
protected SupportedLock	supportedLock
protected SupportedReportSetProperty	supportedReports

Fields inherited from interface org.apache.jackrabbit.webdav.version.VersionHistoryResource

METHODS, ROOT_VERSION, VERSION_SET

Fields inherited from interface org.apache.jackrabbit.webdav.version.DeltaVResource

METHODS_INCL_MKWORKSPACE

Fields inherited from interface org.apache.jackrabbit.webdav.ordering.OrderingResource

METHODS

Fields inherited from interface org.apache.jackrabbit.webdav.observation.ObservationResource

METHODS

Fields inherited from interface org.apache.jackrabbit.webdav.jcr.ItemResourceConstants

EXCLUSIVE_SESSION, JCR_DEFINITION, JCR_DEPTH, JCR_GET_STRING, JCR_INDEX, JCR_ISMODIFIED, JCR_ISNEW, JCR_LENGTH, JCR_LENGTHS, JCR_MIXINNODETYPES, JCR_NAME, JCR_NAMESPACES, JCR_NODETYPES_CND, JCR_PARENT, JCR_PATH, JCR_PRIMARYITEM, JCR_PRIMARYNODETYPE, JCR_REFERENCES, JCR_SELECTOR_NAME, JCR_TYPE, JCR_UUID, JCR_VALUE, JCR_VALUES, JCR_VERSIONABLEUUID, JCR_WEAK_REFERENCES, JCR_WORKSPACE_NAME, METHODS, NAMESPACE, PRIVILEGE_JCR_ADD_NODE, PRIVILEGE_JCR_READ, PRIVILEGE_JCR_REMOVE, PRIVILEGE_JCR_SET_PROPERTY

Fields inherited from interface org.apache.jackrabbit.commons.webdav.JcrRemotingConstants

ATTR_VALUE_TYPE, IMPORT_UUID_BEHAVIOR, JCR_DEFINITION_LN, JCR_DEPTH_LN, JCR_GET_STRING_LN, JCR_INDEX_LN, JCR_ISMODIFIED_LN, JCR_ISNEW_LN, JCR_LENGTH_LN, JCR_LENGTHS_LN, JCR_MIXINNODETYPES_LN, JCR_NAME_LN, JCR_NAMESPACES_LN, JCR_NODETYPES_CND_LN, JCR_PARENT_LN, JCR_PATH_LN, JCR_PRIMARYITEM_LN, JCR_PRIMARYNODETYPE_LN, JCR_QUERY_RESULT_LN, JCR_REFERENCES_LN, JCR_SELECTOR_NAME_LN, JCR_TYPE_LN, JCR_UUID_LN, JCR_VALUE_LN, JCR_VALUES_LN, JCR_VERSIONABLEUUID_LN, JCR_WEAK_REFERENCES_LN, JCR_WORKSPACE_NAME_LN, NS_PREFIX, NS_URI, RELATION_REMOTE_SESSION_ID, RELATION_USER_DATA, REPORT_EXPORT_VIEW, REPORT_LOCATE_BY_UUID, REPORT_LOCATE_CORRESPONDING_NODE, REPORT_NODETYPES, REPORT_PRIVILEGES, REPORT_REGISTERED_NAMESPACES, REPORT_REPOSITORY_DESCRIPTORS, ROOT_ITEM_PATH, ROOT_ITEM_RESOURCEPATH, VERSIONSTORAGE_PATH, XML_ALLOWUPDATE, XML_CND, XML_DESCRIPTOR, XML_DESCRIPTORKEY, XML_DESCRIPTORVALUE, XML_EXCLUSIVE_SESSION_SCOPED, XML_LENGTH, XML_NAMESPACE, XML_NODETYPENAME, XML_PREFIX, XML_PRIMARYNODETYPE, XML_QUERY_RESULT_COLUMN, XML_RELPATH, XML_REMOVEEXISTING, XML_URI, XML_VALUE

Fields inherited from interface org.apache.jackrabbit.webdav.transaction.TransactionResource

METHODS

Fields inherited from interface org.apache.jackrabbit.webdav.search.SearchResource

METHODS

Constructor Summary

Constructors

Constructor and Description
VersionHistoryItemCollection(DavResourceLocator resourcePath, JcrDavSession session, DavResourceFactory factory, Item item) Create a new VersionHistoryItemCollection resource.

Method Summary

Modifier and Type	Method and Description
void	addLockManager(LockManager lockMgr) Add an external LockManager to this resource.
void	addWorkspace(DavResource workspace) The JCR api does not provide methods to create new workspaces.
void	copy(DavResource destination, boolean shallow) Copies the underlying repository item to the indicated destination.
protected DavResource	createResourceFromLocator(DavResourceLocator loc) Create a new DavResource from the given locator.
boolean	exists() Returns true if there exists a repository item with the given resource path, false otherwise.
DavResource	getCollection() Returns the resource representing the parent item of the repository item represented by this resource.
String	getDisplayName() Retrieves the last segment of the item path (or the resource path if this resource does not exist).
DavResourceFactory	getFactory() Return the DavResourceFactory that created this resource.
String	getHref() Returns the absolute href of this resource as returned in the multistatus response body.
protected static String	getItemName(String itemPath) Retrieves the last segment of the given path and removes the index if present.
DavResourceLocator	getLocator() Returns the locator object for this webdav resource, which encapsulates the information for building the complete 'href'.
protected DavResourceLocator	getLocatorFromItem(Item repositoryItem) Build a new DavResourceLocator from the given repository item.
protected DavResourceLocator	getLocatorFromItemPath(String itemPath) Build a DavResourceLocator from the given itemPath path.
ActiveLock[]	getLocks() Returns an array of all locks applied to the given resource.
OptionsResponse	getOptionResponse(OptionsInfo optionsInfo) Retrieves the information requested in the OPTIONS request body and returns the corresponding values.
DavPropertySet	getProperties() Returns all webdav properties present on this resource that will be return upon a DavConstants.PROPFIND_ALL_PROP request.
DavProperty<?>	getProperty(DavPropertyName name) Return the webdav property with the specified name.
DavPropertyName[]	getPropertyNames() Returns an array of all property names available on this resource.
QueryGrammerSet	getQueryGrammerSet() Returns the protected DAV:supported-method-set property which is defined mandatory by RTF 3253.
DavResource[]	getReferenceResources(DavPropertyName hrefPropertyName) Return an array of DavResource objects that are referenced by the property with the specified name.
Report	getReport(ReportInfo reportInfo) Runs the report specified by the given ReportInfo.
protected Session	getRepositorySession() Shortcut for getSession().getRepositorySession()
String	getResourcePath() Returns the path of the underlying repository item or the item to be created (PUT/MKCOL).
DavSession	getSession() Retrieve the DavSession associated with this resource.
String	getSupportedMethods() Returns a comma separated list of all METHODS supported by the given resource.
String	getTransactionId() The TransactionId or null according to the value of the corresponding request header field.
VersionResource[]	getVersions() Return an array of VersionResources representing all versions present in the underlying JCR version history.
protected String	getWorkspaceHref() Retrieve the href of the workspace the current session belongs to.
void	init(SubscriptionManager subsMgr) Initializes this resource.
void	init(TxLockManager txMgr, String transactionId) Initializes the TransactionResource.
protected void	initProperties() Fill the property set for this resource.
protected void	initPropertyNames() Property names common to all resources.
boolean	isLockable(Type type, Scope scope) Returns true, if the SupportedLock property contains an entry with the given type and scope.
void	move(DavResource destination) Moves the underlying repository item to the indicated destination.
EventDiscovery	poll(String subscriptionId, long timeout) Retrieve the list of events that where recorded for the event listener with the given SubscriptionId.
void	removeMember(DavResource member) Removing a version resource is achieved by calling removeVersion on the versionhistory item this version belongs to.
MultiStatus	search(SearchInfo sInfo) Runs a search with the language and query defined in the SearchInfo object specified and returns a MultiStatus object listing the results.
Subscription	subscribe(SubscriptionInfo info, String subscriptionId) Subscribe this resource for event listening defined by the specified subscription info.
void	unlock(String lockToken, TransactionInfo tInfo) Overloads the unlock method of the DavResource interface.
void	unsubscribe(String subscriptionId) Unsubscribe the event listener with the given SubscriptionId.

Methods inherited from class org.apache.jackrabbit.webdav.jcr.DefaultItemCollection

addHrefProperty, addHrefProperty, addHrefProperty, addMember, alterProperties, getComplianceClass, getCreationDate, getCreatorDisplayName, getHrefProperty, getHrefProperty, getHrefProperty, getLock, getMembers, getModificationTime, hasLock, initLockSupport, initSupportedReports, isCollection, isOrderable, lock, orderMembers, refreshLock, removeProperty, setProperty, spool, unlock

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jackrabbit.webdav.version.DeltaVResource

addWorkspace, getOptionResponse, getReferenceResources, getReport

Methods inherited from interface org.apache.jackrabbit.webdav.DavResource

addLockManager, addMember, alterProperties, copy, exists, getCollection, getComplianceClass, getDisplayName, getFactory, getHref, getLocator, getLock, getLocks, getMembers, getModificationTime, getProperties, getPropertyNames, getResourcePath, getSession, hasLock, isCollection, isLockable, lock, move, refreshLock, removeProperty, setProperty, spool, unlock

Field Detail

item

protected final Item item

initedProps

protected boolean initedProps

properties

protected DavPropertySet properties

names

protected DavPropertyNameSet names

supportedLock

protected SupportedLock supportedLock

supportedReports

protected SupportedReportSetProperty supportedReports

Constructor Detail

VersionHistoryItemCollection

public VersionHistoryItemCollection(DavResourceLocator resourcePath,
                                    JcrDavSession session,
                                    DavResourceFactory factory,
                                    Item item)

Create a new VersionHistoryItemCollection resource.

Parameters:

resourcePath -

session -

factory -

Method Detail

getSupportedMethods

public String getSupportedMethods()

Description copied from interface: DavResource

Returns a comma separated list of all METHODS supported by the given resource.

Specified by:

getSupportedMethods in interface DavResource

Overrides:

getSupportedMethods in class DefaultItemCollection

Returns:

METHODS supported by this resource.

See Also:

DavResource.getSupportedMethods()

getProperty

public DavProperty<?> getProperty(DavPropertyName name)

Description copied from interface: DavResource

Return the webdav property with the specified name.

Specified by:

getProperty in interface DavResource

Overrides:

getProperty in class DefaultItemCollection

Parameters:

name - name of the webdav property

Returns:

the DavProperty with the given name or null if the property does not exist.

See Also:

DavResource.getProperty(org.apache.jackrabbit.webdav.property.DavPropertyName)

removeMember

public void removeMember(DavResource member)
                  throws DavException

Removing a version resource is achieved by calling removeVersion on the versionhistory item this version belongs to.

Specified by:

removeMember in interface DavResource

Overrides:

removeMember in class DefaultItemCollection

Throws:

DavException - if the version does not exist or if an error occurs while deleting.

See Also:

DavResource.removeMember(org.apache.jackrabbit.webdav.DavResource)

getVersions

public VersionResource[] getVersions()
                              throws DavException

Return an array of VersionResources representing all versions present in the underlying JCR version history.

Specified by:

getVersions in interface VersionHistoryResource

Returns:

array of VersionResources representing all versions present in the underlying JCR version history.

Throws:

DavException

See Also:

VersionHistoryResource.getVersions()

initPropertyNames

protected void initPropertyNames()

Property names common to all resources.

Overrides:

initPropertyNames in class DefaultItemCollection

initProperties

protected void initProperties()

Fill the property set for this resource.

Overrides:

initProperties in class DefaultItemCollection

exists

public boolean exists()

Returns true if there exists a repository item with the given resource path, false otherwise.

Specified by:

exists in interface DavResource

Returns:

true, if the resource represents an existing repository item.

See Also:

DavResource.exists()

getDisplayName

public String getDisplayName()

Retrieves the last segment of the item path (or the resource path if this resource does not exist). An item path is in addition first translated to the corresponding resource path.
NOTE: the display name is not equivalent to item name which is exposed with the {http://www.day.com/jcr/webdav/1.0}name property.

Specified by:

getDisplayName in interface DavResource

Returns:

display name.

See Also:

DavResource.getDisplayName()

getCollection

public DavResource getCollection()

Returns the resource representing the parent item of the repository item represented by this resource. If this resoure represents the root item a RootCollection is returned.

Specified by:

getCollection in interface DavResource

Returns:

the collection this resource is internal member of. Except for the repository root, the returned collection always represent the parent repository node.

See Also:

DavResource.getCollection()

move

public void move(DavResource destination)
          throws DavException

Moves the underlying repository item to the indicated destination.

Specified by:

move in interface DavResource

Parameters:

destination -

Throws:

DavException

See Also:

DavResource.move(DavResource), Session.move(String, String)

copy

public void copy(DavResource destination,
                 boolean shallow)
          throws DavException

Copies the underlying repository item to the indicated destination. If the locator of the specified destination resource indicates a different workspace, Workspace.copy(String, String, String) is used to perform the copy operation, Workspace.copy(String, String) otherwise.

Note, that this implementation does not support shallow copy.

Specified by:

copy in interface DavResource

Parameters:

destination -

shallow -

Throws:

DavException

See Also:

DavResource.copy(DavResource, boolean), Workspace.copy(String, String), Workspace.copy(String, String, String)

init

public void init(SubscriptionManager subsMgr)

Description copied from interface: ObservationResource

Initializes this resource.

Specified by:

init in interface ObservationResource

Parameters:

subsMgr - subscription manager object

See Also:

ObservationResource.init(SubscriptionManager)

subscribe

public Subscription subscribe(SubscriptionInfo info,
                              String subscriptionId)
                       throws DavException

Description copied from interface: ObservationResource

Subscribe this resource for event listening defined by the specified subscription info. A subscriptionId may be specified in case an existing subscription should be modified.

Specified by:

subscribe in interface ObservationResource

Parameters:

info - SubscriptionInfo object as defined by the request body and headers.

subscriptionId - or null if the SubscriptionId header is missing.

Returns:

Subscription object in case the subscription was successful.

Throws:

DavException

See Also:

ObservationResource.subscribe(org.apache.jackrabbit.webdav.observation.SubscriptionInfo, String), SubscriptionManager.subscribe(org.apache.jackrabbit.webdav.observation.SubscriptionInfo, String, org.apache.jackrabbit.webdav.observation.ObservationResource)

unsubscribe

public void unsubscribe(String subscriptionId)
                 throws DavException

Description copied from interface: ObservationResource

Unsubscribe the event listener with the given SubscriptionId.

Specified by:

unsubscribe in interface ObservationResource

Parameters:

subscriptionId - as present in the SubscriptionId header.

Throws:

DavException

See Also:

ObservationResource.unsubscribe(String), SubscriptionManager.unsubscribe(String, org.apache.jackrabbit.webdav.observation.ObservationResource)

poll

public EventDiscovery poll(String subscriptionId,
                           long timeout)
                    throws DavException

Description copied from interface: ObservationResource

Retrieve the list of events that where recorded for the event listener with the given SubscriptionId.

Specified by:

poll in interface ObservationResource

Parameters:

subscriptionId - as present in the SubscriptionId header.

timeout - as present in the ObservationConstants.HEADER_POLL_TIMEOUT header or 0 (zero) if none is present.

Returns:

EventDiscovery object

Throws:

DavException

See Also:

ObservationResource.poll(String, long), SubscriptionManager.poll(String, long, org.apache.jackrabbit.webdav.observation.ObservationResource)

getWorkspaceHref

protected String getWorkspaceHref()

Retrieve the href of the workspace the current session belongs to.

Returns:

href of the workspace or null if this resource does not represent a repository item.

See Also:

AbstractResource.getWorkspaceHref()

getItemName

protected static String getItemName(String itemPath)

Retrieves the last segment of the given path and removes the index if present.

Parameters:

itemPath -

Returns:

valid jcr item name

getLocator

public DavResourceLocator getLocator()

Description copied from interface: DavResource

Returns the locator object for this webdav resource, which encapsulates the information for building the complete 'href'.

Specified by:

getLocator in interface DavResource

Returns:

the locator for this resource.

See Also:

DavResource.getLocator()

getResourcePath

public String getResourcePath()

Returns the path of the underlying repository item or the item to be created (PUT/MKCOL). If the resource exists but does not represent a repository item null is returned.

Specified by:

getResourcePath in interface DavResource

Returns:

path of the underlying repository item.

See Also:

DavResource.getResourcePath(), DavResourceLocator.getResourcePath()

getHref

public String getHref()

Description copied from interface: DavResource

Returns the absolute href of this resource as returned in the multistatus response body.

Specified by:

getHref in interface DavResource

Returns:

href

See Also:

DavResource.getHref(), DavResourceLocator.getHref(boolean)

getPropertyNames

public DavPropertyName[] getPropertyNames()

Description copied from interface: DavResource

Returns an array of all property names available on this resource.

Specified by:

getPropertyNames in interface DavResource

Returns:

an array of property names.

See Also:

DavResource.getPropertyNames()

getProperties

public DavPropertySet getProperties()

Description copied from interface: DavResource

Returns all webdav properties present on this resource that will be return upon a DavConstants.PROPFIND_ALL_PROP request. The implementation may in addition expose other (protected or calculated) properties which should be marked accordingly (see also DavProperty.isInvisibleInAllprop().

Specified by:

getProperties in interface DavResource

Returns:

a DavPropertySet containing at least all properties of this resource that are exposed in 'allprop' PROPFIND request.

See Also:

DavResource.getProperties()

isLockable

public boolean isLockable(Type type,
                          Scope scope)

Returns true, if the SupportedLock property contains an entry with the given type and scope. By default resources allow for transaction lock only.

Specified by:

isLockable in interface DavResource

Parameters:

type -

scope -

Returns:

true if this resource may be locked by the given type and scope.

See Also:

DavResource.isLockable(org.apache.jackrabbit.webdav.lock.Type, org.apache.jackrabbit.webdav.lock.Scope)

getLocks

public ActiveLock[] getLocks()

Description copied from interface: DavResource

Returns an array of all locks applied to the given resource.

Specified by:

getLocks in interface DavResource

Returns:

array of locks. The array is empty if there are no locks applied to this resource.

See Also:

todo improve....

addLockManager

public void addLockManager(LockManager lockMgr)

Description copied from interface: DavResource

Add an external LockManager to this resource. This method may throw UnsupportedOperationException if the resource does handle locking itself.

Specified by:

addLockManager in interface DavResource

See Also:

DavResource.addLockManager(org.apache.jackrabbit.webdav.lock.LockManager)

getFactory

public DavResourceFactory getFactory()

Description copied from interface: DavResource

Return the DavResourceFactory that created this resource.

Specified by:

getFactory in interface DavResource

Returns:

the factory that created this resource.

See Also:

DavResource.getFactory()

getSession

public DavSession getSession()

Description copied from interface: DavResource

Retrieve the DavSession associated with this resource.

Specified by:

getSession in interface DavResource

Returns:

session object associated with this resource.

See Also:

DavResource.getSession(), DavResource.getSession()

init

public void init(TxLockManager txMgr,
                 String transactionId)

Description copied from interface: TransactionResource

Initializes the TransactionResource.

Specified by:

init in interface TransactionResource

See Also:

TransactionResource.init(TxLockManager, String)

unlock

public void unlock(String lockToken,
                   TransactionInfo tInfo)
            throws DavException

Description copied from interface: TransactionResource

Overloads the unlock method of the DavResource interface.

Specified by:

unlock in interface TransactionResource

Parameters:

lockToken - lock token as present in the request header.

tInfo - transaction info object as present in the UNLOCK request body.

Throws:

DavException - if an error occurs

See Also:

TransactionResource.unlock(String, org.apache.jackrabbit.webdav.transaction.TransactionInfo)

getTransactionId

public String getTransactionId()

Description copied from interface: TransactionResource

The TransactionId or null according to the value of the corresponding request header field.

Specified by:

getTransactionId in interface TransactionResource

Returns:

TransactionId header or null

See Also:

TransactionResource.getTransactionId()

getOptionResponse

public OptionsResponse getOptionResponse(OptionsInfo optionsInfo)

Description copied from interface: DeltaVResource

Retrieves the information requested in the OPTIONS request body and returns the corresponding values.

Specified by:

getOptionResponse in interface DeltaVResource

Parameters:

optionsInfo -

Returns:

object to be used in the OPTIONS response body or null

See Also:

DeltaVResource.getOptionResponse(org.apache.jackrabbit.webdav.version.OptionsInfo)

getReport

public Report getReport(ReportInfo reportInfo)
                 throws DavException

Description copied from interface: DeltaVResource

Runs the report specified by the given ReportInfo.

Specified by:

getReport in interface DeltaVResource

Parameters:

reportInfo -

Returns:

the requested report

Throws:

DavException

See Also:

DeltaVResource.getReport(org.apache.jackrabbit.webdav.version.report.ReportInfo)

addWorkspace

public void addWorkspace(DavResource workspace)
                  throws DavException

The JCR api does not provide methods to create new workspaces. Calling addWorkspace on this resource will always fail.

Specified by:

addWorkspace in interface DeltaVResource

Parameters:

workspace -

Throws:

DavException - Always throws.

See Also:

DeltaVResource.addWorkspace(org.apache.jackrabbit.webdav.DavResource)

getReferenceResources

public DavResource[] getReferenceResources(DavPropertyName hrefPropertyName)
                                    throws DavException

Return an array of DavResource objects that are referenced by the property with the specified name.

Specified by:

getReferenceResources in interface DeltaVResource

Parameters:

hrefPropertyName -

Returns:

array of DavResources

Throws:

DavException

See Also:

DeltaVResource.getReferenceResources(org.apache.jackrabbit.webdav.property.DavPropertyName)

getQueryGrammerSet

public QueryGrammerSet getQueryGrammerSet()

Description copied from interface: SearchResource

Returns the protected DAV:supported-method-set property which is defined mandatory by RTF 3253. This method call is a shortcut for DavResource.getProperty(SearchConstants.QUERY_GRAMMER_SET).

Specified by:

getQueryGrammerSet in interface SearchResource

Returns:

See Also:

SearchResource.getQueryGrammerSet()

search

public MultiStatus search(SearchInfo sInfo)
                   throws DavException

Description copied from interface: SearchResource

Runs a search with the language and query defined in the SearchInfo object specified and returns a MultiStatus object listing the results.

Specified by:

search in interface SearchResource

Parameters:

sInfo -

Returns:

Throws:

DavException

See Also:

SearchResource.search(org.apache.jackrabbit.webdav.search.SearchInfo)

createResourceFromLocator

protected DavResource createResourceFromLocator(DavResourceLocator loc)
                                         throws DavException

Create a new DavResource from the given locator.

Parameters:

loc -

Returns:

new DavResource

Throws:

DavException

getLocatorFromItemPath

protected DavResourceLocator getLocatorFromItemPath(String itemPath)

Build a DavResourceLocator from the given itemPath path.

Parameters:

itemPath -

Returns:

a new DavResourceLocator

See Also:

DavLocatorFactory.createResourceLocator(String, String, String)

getLocatorFromItem

protected DavResourceLocator getLocatorFromItem(Item repositoryItem)

Build a new DavResourceLocator from the given repository item.

Parameters:

repositoryItem -

Returns:

a new locator for the specified item.

See Also:

getLocatorFromItemPath(String)

getRepositorySession

protected Session getRepositorySession()

Shortcut for getSession().getRepositorySession()

Returns:

repository session present in the AbstractResource.session.