org.sakaiproject.announcement.impl
Class BaseAnnouncementService

java.lang.Object
  org.sakaiproject.message.impl.BaseMessageService
      org.sakaiproject.announcement.impl.BaseAnnouncementService

All Implemented Interfaces:

AnnouncementService, org.sakaiproject.entity.api.ContextObserver, org.sakaiproject.entity.api.EntityProducer, org.sakaiproject.entity.api.EntitySummary, org.sakaiproject.entity.api.EntityTransferrer, org.sakaiproject.entity.api.EntityTransferrerRefMigrator, org.sakaiproject.memory.api.CacheRefresher, org.sakaiproject.message.api.MessageService, org.sakaiproject.util.StorageUser

Direct Known Subclasses:

DbAnnouncementService

public abstract class BaseAnnouncementService
extends org.sakaiproject.message.impl.BaseMessageService
implements AnnouncementService, org.sakaiproject.entity.api.ContextObserver, org.sakaiproject.entity.api.EntityTransferrer, org.sakaiproject.entity.api.EntityTransferrerRefMigrator

BaseAnnouncementService extends the BaseMessageService for the specifics of Announcement.

Nested Class Summary

class	BaseAnnouncementService.BaseAnnouncementChannelEdit AnnouncementChannel implementation
class	BaseAnnouncementService.BaseAnnouncementMessageEdit AnnouncementMessage implementation
class	BaseAnnouncementService.BaseAnnouncementMessageHeaderEdit AnnouncementMessageHeaderEdit implementation
protected class	BaseAnnouncementService.PrivacyFilter A filter that will reject announcement message drafts not from the current user, and otherwise use another filter, if defined, for acceptance.

Nested classes/interfaces inherited from class org.sakaiproject.message.impl.BaseMessageService

org.sakaiproject.message.impl.BaseMessageService.BaseMessageChannelEdit, org.sakaiproject.message.impl.BaseMessageService.BaseMessageEdit, org.sakaiproject.message.impl.BaseMessageService.BaseMessageHeaderEdit, org.sakaiproject.message.impl.BaseMessageService.MessagePermissionFilter, org.sakaiproject.message.impl.BaseMessageService.MessageSelectionFilter, org.sakaiproject.message.impl.BaseMessageService.NotifyThread, org.sakaiproject.message.impl.BaseMessageService.PublicFilter, org.sakaiproject.message.impl.BaseMessageService.Storage

Field Summary

protected org.sakaiproject.event.api.NotificationService	m_notificationService Dependency: NotificationService.
protected static org.sakaiproject.util.ResourceLoader	rb Messages, for the http access.

Fields inherited from class org.sakaiproject.message.impl.BaseMessageService

m_authzGroupService, m_caching, m_channelCache, m_entityManager, m_eventTrackingService, m_idManager, m_memoryService, m_messageCaches, m_securityService, m_serverConfigurationService, m_sessionManager, m_siteService, m_storage, m_threadLocalManager, m_timeService, m_userDirectoryService

Fields inherited from interface org.sakaiproject.announcement.api.AnnouncementService

APPLICATION_ID, ASSIGNMENT_REFERENCE, EVENT_ANNC_UPDATE_ACCESS, EVENT_ANNC_UPDATE_AVAILABILITY, EVENT_ANNC_UPDATE_TITLE, MOD_DATE, REF_TYPE_ANNOUNCEMENT, REF_TYPE_ANNOUNCEMENT_RSS, REFERENCE_ROOT, RELEASE_DATE, RETRACT_DATE, SECURE_ANNC_ADD, SECURE_ANNC_ALL_GROUPS, SECURE_ANNC_READ, SECURE_ANNC_READ_DRAFT, SECURE_ANNC_REMOVE_ANY, SECURE_ANNC_REMOVE_OWN, SECURE_ANNC_ROOT, SECURE_ANNC_UPDATE_ANY, SECURE_ANNC_UPDATE_OWN

Fields inherited from interface org.sakaiproject.message.api.MessageService

REF_TYPE_CHANNEL, REF_TYPE_MESSAGE, SECURE_ADD, SECURE_ALL_GROUPS, SECURE_CREATE, SECURE_READ, SECURE_READ_DRAFT, SECURE_REMOVE_ANY, SECURE_REMOVE_OWN, SECURE_UPDATE_ANY, SECURE_UPDATE_OWN

Constructor Summary

BaseAnnouncementService()

Method Summary

AnnouncementChannelEdit	addAnnouncementChannel(String ref) Add a new announcement channel.
String	channelReference(String context, String id)
void	clearMessagesCache(String channelRef)
void	contextCreated(String context, boolean toolPlacement)
void	contextDeleted(String context, boolean toolPlacement)
void	contextUpdated(String context, boolean toolPlacement)
protected String	eventId(String secure) Form a tracking event string based on a security function string.
protected Element	generateItemElement(Document doc, AnnouncementMessage msg, org.sakaiproject.entity.api.Reference msgRef) Generate RSS Item element for specified assignment
AnnouncementChannel	getAnnouncementChannel(String ref) Return a specific announcement channel.
org.sakaiproject.entity.api.Reference	getAnnouncementReference(String context)
org.sakaiproject.time.api.Time	getDate(org.sakaiproject.entity.api.Entity r) Access the resource date.
org.sakaiproject.entity.api.HttpAccess	getHttpAccess()
String	getLabel()
Integer	getMessage_order(org.sakaiproject.entity.api.Entity r) Access the resource Message Order.
List	getMessages(String channelReference, org.sakaiproject.javax.Filter filter, boolean order, boolean merged) Return a list of messages from the provided channel (merged flag returns merged messages)
String	getOwnerId(org.sakaiproject.entity.api.Entity r) Access the resource owner user id.
protected String	getReferenceRoot() Return the reference rooot for use in resource references and urls.
String	getRssUrl(org.sakaiproject.entity.api.Reference ref)
String	getSummarizableReference(String siteId, String toolIdentifier)
protected String	getSummaryFromHeader(org.sakaiproject.message.api.Message item, org.sakaiproject.message.api.MessageHeader header) getSummaryFromHeader implementation
void	init() Final initialization, once all dependencies are set.
boolean	isDraft(org.sakaiproject.entity.api.Entity r) Check if this resource is in draft mode.
boolean	isMessageViewable(AnnouncementMessage message)
String[]	myToolIds()
org.sakaiproject.entity.api.Entity	newContainer(Element element) Construct a new container resource, from an XML element.
org.sakaiproject.entity.api.Entity	newContainer(org.sakaiproject.entity.api.Entity other) Construct a new container resource, as a copy of another
org.sakaiproject.entity.api.Entity	newContainer(String ref) Construct a new continer given just ids.
org.sakaiproject.entity.api.Edit	newContainerEdit(Element element) Construct a new container resource, from an XML element.
org.sakaiproject.entity.api.Edit	newContainerEdit(org.sakaiproject.entity.api.Entity other) Construct a new container resource, as a copy of another
org.sakaiproject.entity.api.Edit	newContainerEdit(String ref) Construct a new continer given just ids.
protected org.sakaiproject.message.api.MessageHeaderEdit	newMessageHeader(org.sakaiproject.message.api.Message msg, Element el) Construct a new message header from XML in a DOM element.
protected org.sakaiproject.message.api.MessageHeaderEdit	newMessageHeader(org.sakaiproject.message.api.Message msg, org.sakaiproject.message.api.MessageHeader other) Construct a new message header as a copy of another.
protected org.sakaiproject.message.api.MessageHeaderEdit	newMessageHeader(org.sakaiproject.message.api.Message msg, String id) Construct a new message header from XML in a DOM element.
org.sakaiproject.entity.api.Entity	newResource(org.sakaiproject.entity.api.Entity container, Element element) Construct a new resource, from an XML element.
org.sakaiproject.entity.api.Entity	newResource(org.sakaiproject.entity.api.Entity container, org.sakaiproject.entity.api.Entity other) Construct a new resource from another resource of the same type.
org.sakaiproject.entity.api.Entity	newResource(org.sakaiproject.entity.api.Entity container, String id, Object[] others) Construct a new rsource given just an id.
org.sakaiproject.entity.api.Edit	newResourceEdit(org.sakaiproject.entity.api.Entity container, Element element) Construct a new resource, from an XML element.
org.sakaiproject.entity.api.Edit	newResourceEdit(org.sakaiproject.entity.api.Entity container, org.sakaiproject.entity.api.Entity other) Construct a new resource from another resource of the same type.
org.sakaiproject.entity.api.Edit	newResourceEdit(org.sakaiproject.entity.api.Entity container, String id, Object[] others) Construct a new rsource given just an id.
boolean	parseEntityReference(String reference, org.sakaiproject.entity.api.Reference ref)
protected void	printAnnouncementHtml(PrintWriter out, org.sakaiproject.entity.api.Reference ref) Print specified Announcement as HTML Page
protected void	printAnnouncementRss(OutputStream out, org.sakaiproject.entity.api.Reference rssRef) Print all Announcements as RSS Feed
protected String	serviceName() Report the Service API name being implemented.
void	setAliasService(org.sakaiproject.alias.api.AliasService aliasService)
void	setContentHostingService(org.sakaiproject.content.api.ContentHostingService service) Dependency: contentHostingService.
void	setFunctionManager(org.sakaiproject.authz.api.FunctionManager functionManager)
void	setNotificationService(org.sakaiproject.event.api.NotificationService service) Dependency: NotificationService.
void	setSecurityService(org.sakaiproject.authz.api.SecurityService securityService)
void	setSessionManager(org.sakaiproject.tool.api.SessionManager sessionManager)
void	setTimeService(org.sakaiproject.time.api.TimeService timeService)
void	setToolManager(org.sakaiproject.tool.api.ToolManager toolManager)
Object[]	storageFields(org.sakaiproject.entity.api.Entity r) Collect the fields that need to be stored outside the XML (for the resource).
String[]	summarizableToolIds()
void	transferCopyEntities(String fromContext, String toContext, List resourceIds)
void	transferCopyEntities(String fromContext, String toContext, List ids, boolean cleanup)
Map<String,String>	transferCopyEntitiesRefMigrator(String fromContext, String toContext, List resourceIds)
Map<String,String>	transferCopyEntitiesRefMigrator(String fromContext, String toContext, List ids, boolean cleanup)
void	updateEntityReferences(String toContext, Map<String,String> transversalMap)

Methods inherited from class org.sakaiproject.message.impl.BaseMessageService

addChannel, allowAddChannel, allowEditChannel, allowGetChannel, allowGetMessage, allowRemoveChannel, archive, archiveSynopticOptions, cancelChannel, cancelMessage, commitChannel, destroy, disableMessageChannel, editChannel, enableMessageChannel, findChannel, getAccessPoint, getChannel, getChannelIds, getChannelPublic, getChannels, getEntity, getEntityAuthzGroups, getEntityDescription, getEntityResourceProperties, getEntityUrl, getMessage, getMessages, getSummary, merge, messageReference, messageReference, newStorage, parseMergeChannelExtra, refresh, removeChannel, service, setAuthzGroupService, setCaching, setEntityManager, setEventTrackingService, setIdManager, setMemoryService, setServerConfigurationService, setSiteService, setThreadLocalManager, setUserDirectoryService, transferSynopticOptions, unlock, unlock2, unlock3, unlockCheck, unlockCheck2, unlockCheck3, willArchiveMerge

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.sakaiproject.message.api.MessageService

addChannel, allowAddChannel, allowEditChannel, allowGetChannel, allowRemoveChannel, cancelChannel, cancelMessage, commitChannel, editChannel, getChannel, getChannelIds, getChannelPublic, getChannels, getMessage, getMessages, getSummary, messageReference, messageReference, removeChannel

Methods inherited from interface org.sakaiproject.entity.api.EntityProducer

archive, getEntity, getEntityAuthzGroups, getEntityDescription, getEntityResourceProperties, getEntityUrl, merge, willArchiveMerge

Field Detail

rb

protected static org.sakaiproject.util.ResourceLoader rb

Messages, for the http access.

m_notificationService

protected org.sakaiproject.event.api.NotificationService m_notificationService

Dependency: NotificationService.

Constructor Detail

BaseAnnouncementService

public BaseAnnouncementService()

Method Detail

setContentHostingService

public void setContentHostingService(org.sakaiproject.content.api.ContentHostingService service)

Dependency: contentHostingService.

Parameters:

service - The NotificationService.

setFunctionManager

public void setFunctionManager(org.sakaiproject.authz.api.FunctionManager functionManager)

setAliasService

public void setAliasService(org.sakaiproject.alias.api.AliasService aliasService)

setTimeService

public void setTimeService(org.sakaiproject.time.api.TimeService timeService)

Overrides:

setTimeService in class org.sakaiproject.message.impl.BaseMessageService

setSessionManager

public void setSessionManager(org.sakaiproject.tool.api.SessionManager sessionManager)

Overrides:

setSessionManager in class org.sakaiproject.message.impl.BaseMessageService

setToolManager

public void setToolManager(org.sakaiproject.tool.api.ToolManager toolManager)

setSecurityService

public void setSecurityService(org.sakaiproject.authz.api.SecurityService securityService)

Overrides:

setSecurityService in class org.sakaiproject.message.impl.BaseMessageService

setNotificationService

public void setNotificationService(org.sakaiproject.event.api.NotificationService service)

Dependency: NotificationService.

Parameters:

service - The NotificationService.

init

public void init()

Final initialization, once all dependencies are set.

Overrides:

init in class org.sakaiproject.message.impl.BaseMessageService

newContainer

public org.sakaiproject.entity.api.Entity newContainer(String ref)

Construct a new continer given just ids.

Specified by:

newContainer in interface org.sakaiproject.util.StorageUser

Parameters:

ref - The container reference.

Returns:

The new containe Resource.

newContainer

public org.sakaiproject.entity.api.Entity newContainer(Element element)

Construct a new container resource, from an XML element.

Specified by:

newContainer in interface org.sakaiproject.util.StorageUser

Parameters:

element - The XML.

Returns:

The new container resource.

newContainer

public org.sakaiproject.entity.api.Entity newContainer(org.sakaiproject.entity.api.Entity other)

Construct a new container resource, as a copy of another

Specified by:

newContainer in interface org.sakaiproject.util.StorageUser

Parameters:

other - The other contianer to copy.

Returns:

The new container resource.

newResource

public org.sakaiproject.entity.api.Entity newResource(org.sakaiproject.entity.api.Entity container,
                                                      String id,
                                                      Object[] others)

Construct a new rsource given just an id.

Specified by:

newResource in interface org.sakaiproject.util.StorageUser

Parameters:

container - The Resource that is the container for the new resource (may be null).

id - The id for the new object.

others - (options) array of objects to load into the Resource's fields.

Returns:

The new resource.

newResource

public org.sakaiproject.entity.api.Entity newResource(org.sakaiproject.entity.api.Entity container,
                                                      Element element)

Construct a new resource, from an XML element.

Specified by:

newResource in interface org.sakaiproject.util.StorageUser

Parameters:

container - The Resource that is the container for the new resource (may be null).

element - The XML.

Returns:

The new resource from the XML.

newResource

public org.sakaiproject.entity.api.Entity newResource(org.sakaiproject.entity.api.Entity container,
                                                      org.sakaiproject.entity.api.Entity other)

Construct a new resource from another resource of the same type.

Specified by:

newResource in interface org.sakaiproject.util.StorageUser

Parameters:

container - The Resource that is the container for the new resource (may be null).

other - The other resource.

Returns:

The new resource as a copy of the other.

newContainerEdit

public org.sakaiproject.entity.api.Edit newContainerEdit(String ref)

Construct a new continer given just ids.

Specified by:

newContainerEdit in interface org.sakaiproject.util.StorageUser

Parameters:

ref - The container reference.

Returns:

The new containe Resource.

newContainerEdit

public org.sakaiproject.entity.api.Edit newContainerEdit(Element element)

Construct a new container resource, from an XML element.

Specified by:

newContainerEdit in interface org.sakaiproject.util.StorageUser

Parameters:

element - The XML.

Returns:

The new container resource.

newContainerEdit

public org.sakaiproject.entity.api.Edit newContainerEdit(org.sakaiproject.entity.api.Entity other)

Construct a new container resource, as a copy of another

Specified by:

newContainerEdit in interface org.sakaiproject.util.StorageUser

Parameters:

other - The other contianer to copy.

Returns:

The new container resource.

newResourceEdit

public org.sakaiproject.entity.api.Edit newResourceEdit(org.sakaiproject.entity.api.Entity container,
                                                        String id,
                                                        Object[] others)

Construct a new rsource given just an id.

Specified by:

newResourceEdit in interface org.sakaiproject.util.StorageUser

Parameters:

container - The Resource that is the container for the new resource (may be null).

id - The id for the new object.

others - (options) array of objects to load into the Resource's fields.

Returns:

The new resource.

newResourceEdit

public org.sakaiproject.entity.api.Edit newResourceEdit(org.sakaiproject.entity.api.Entity container,
                                                        Element element)

Construct a new resource, from an XML element.

Specified by:

newResourceEdit in interface org.sakaiproject.util.StorageUser

Parameters:

container - The Resource that is the container for the new resource (may be null).

element - The XML.

Returns:

The new resource from the XML.

newResourceEdit

public org.sakaiproject.entity.api.Edit newResourceEdit(org.sakaiproject.entity.api.Entity container,
                                                        org.sakaiproject.entity.api.Entity other)

Construct a new resource from another resource of the same type.

Specified by:

newResourceEdit in interface org.sakaiproject.util.StorageUser

Parameters:

container - The Resource that is the container for the new resource (may be null).

other - The other resource.

Returns:

The new resource as a copy of the other.

storageFields

public Object[] storageFields(org.sakaiproject.entity.api.Entity r)

Collect the fields that need to be stored outside the XML (for the resource).

Specified by:

storageFields in interface org.sakaiproject.util.StorageUser

Returns:

An array of field values to store in the record outside the XML (for the resource).

isDraft

public boolean isDraft(org.sakaiproject.entity.api.Entity r)

Check if this resource is in draft mode.

Specified by:

isDraft in interface org.sakaiproject.util.StorageUser

Parameters:

r - The resource.

Returns:

true if the resource is in draft mode, false if not.

getOwnerId

public String getOwnerId(org.sakaiproject.entity.api.Entity r)

Access the resource owner user id.

Specified by:

getOwnerId in interface org.sakaiproject.util.StorageUser

Parameters:

r - The resource.

Returns:

The resource owner user id.

getDate

public org.sakaiproject.time.api.Time getDate(org.sakaiproject.entity.api.Entity r)

Access the resource date.

Specified by:

getDate in interface org.sakaiproject.util.StorageUser

Parameters:

r - The resource.

Returns:

The resource date.

getMessage_order

public Integer getMessage_order(org.sakaiproject.entity.api.Entity r)

Access the resource Message Order.

Parameters:

r - The resource.

Returns:

The resource order.

serviceName

protected String serviceName()

Report the Service API name being implemented.

Specified by:

serviceName in class org.sakaiproject.message.impl.BaseMessageService

newMessageHeader

protected org.sakaiproject.message.api.MessageHeaderEdit newMessageHeader(org.sakaiproject.message.api.Message msg,
                                                                          String id)

Construct a new message header from XML in a DOM element.

Specified by:

newMessageHeader in class org.sakaiproject.message.impl.BaseMessageService

Parameters:

id - The message Id.

Returns:

The new message header.

newMessageHeader

protected org.sakaiproject.message.api.MessageHeaderEdit newMessageHeader(org.sakaiproject.message.api.Message msg,
                                                                          Element el)

Construct a new message header from XML in a DOM element.

Specified by:

newMessageHeader in class org.sakaiproject.message.impl.BaseMessageService

Parameters:

el - The XML DOM element that has the header information.

Returns:

The new message header.

newMessageHeader

protected org.sakaiproject.message.api.MessageHeaderEdit newMessageHeader(org.sakaiproject.message.api.Message msg,
                                                                          org.sakaiproject.message.api.MessageHeader other)

Construct a new message header as a copy of another.

Specified by:

newMessageHeader in class org.sakaiproject.message.impl.BaseMessageService

Parameters:

other - The other header to copy.

Returns:

The new message header.

eventId

protected String eventId(String secure)

Form a tracking event string based on a security function string.

Specified by:

eventId in class org.sakaiproject.message.impl.BaseMessageService

Parameters:

secure - The security function string.

Returns:

The event tracking string.

getReferenceRoot

protected String getReferenceRoot()

Return the reference rooot for use in resource references and urls.

Specified by:

getReferenceRoot in class org.sakaiproject.message.impl.BaseMessageService

Returns:

The reference rooot for use in resource references and urls.

parseEntityReference

public boolean parseEntityReference(String reference,
                                    org.sakaiproject.entity.api.Reference ref)

Specified by:

parseEntityReference in interface org.sakaiproject.entity.api.EntityProducer

getAnnouncementReference

public org.sakaiproject.entity.api.Reference getAnnouncementReference(String context)

Specified by:

getAnnouncementReference in interface AnnouncementService

channelReference

public String channelReference(String context,
                               String id)

Specified by:

channelReference in interface org.sakaiproject.message.api.MessageService

Overrides:

channelReference in class org.sakaiproject.message.impl.BaseMessageService

getRssUrl

public String getRssUrl(org.sakaiproject.entity.api.Reference ref)

Specified by:

getRssUrl in interface AnnouncementService

isMessageViewable

public boolean isMessageViewable(AnnouncementMessage message)

Specified by:

isMessageViewable in interface AnnouncementService

contextCreated

public void contextCreated(String context,
                           boolean toolPlacement)

Specified by:

contextCreated in interface org.sakaiproject.entity.api.ContextObserver

contextUpdated

public void contextUpdated(String context,
                           boolean toolPlacement)

Specified by:

contextUpdated in interface org.sakaiproject.entity.api.ContextObserver

contextDeleted

public void contextDeleted(String context,
                           boolean toolPlacement)

Specified by:

contextDeleted in interface org.sakaiproject.entity.api.ContextObserver

myToolIds

public String[] myToolIds()

Specified by:

myToolIds in interface org.sakaiproject.entity.api.ContextObserver

Specified by:

myToolIds in interface org.sakaiproject.entity.api.EntityTransferrer

generateItemElement

protected Element generateItemElement(Document doc,
                                      AnnouncementMessage msg,
                                      org.sakaiproject.entity.api.Reference msgRef)

Generate RSS Item element for specified assignment

printAnnouncementRss

protected void printAnnouncementRss(OutputStream out,
                                    org.sakaiproject.entity.api.Reference rssRef)

Print all Announcements as RSS Feed

printAnnouncementHtml

protected void printAnnouncementHtml(PrintWriter out,
                                     org.sakaiproject.entity.api.Reference ref)
                              throws org.sakaiproject.entity.api.EntityPermissionException,
                                     org.sakaiproject.entity.api.EntityNotDefinedException

Print specified Announcement as HTML Page

Throws:

org.sakaiproject.entity.api.EntityPermissionException

org.sakaiproject.entity.api.EntityNotDefinedException

getHttpAccess

public org.sakaiproject.entity.api.HttpAccess getHttpAccess()

Specified by:

getHttpAccess in interface org.sakaiproject.entity.api.EntityProducer

Overrides:

getHttpAccess in class org.sakaiproject.message.impl.BaseMessageService

getAnnouncementChannel

public AnnouncementChannel getAnnouncementChannel(String ref)
                                           throws org.sakaiproject.exception.IdUnusedException,
                                                  org.sakaiproject.exception.PermissionException

Return a specific announcement channel.

Specified by:

getAnnouncementChannel in interface AnnouncementService

Parameters:

ref - The channel reference.

Returns:

the AnnouncementChannel that has the specified name.

Throws:

org.sakaiproject.exception.IdUnusedException - If this name is not defined for a announcement channel.

org.sakaiproject.exception.PermissionException - If the user does not have any permissions to the channel.

addAnnouncementChannel

public AnnouncementChannelEdit addAnnouncementChannel(String ref)
                                               throws org.sakaiproject.exception.IdUsedException,
                                                      org.sakaiproject.exception.IdInvalidException,
                                                      org.sakaiproject.exception.PermissionException

Add a new announcement channel.

Specified by:

addAnnouncementChannel in interface AnnouncementService

Parameters:

ref - The channel reference.

Returns:

The newly created channel.

Throws:

org.sakaiproject.exception.IdUsedException - if the id is not unique.

org.sakaiproject.exception.IdInvalidException - if the id is not made up of valid characters.

org.sakaiproject.exception.PermissionException - if the user does not have permission to add a channel.

getMessages

public List getMessages(String channelReference,
                        org.sakaiproject.javax.Filter filter,
                        boolean order,
                        boolean merged)
                 throws org.sakaiproject.exception.IdUnusedException,
                        org.sakaiproject.exception.PermissionException,
                        NullPointerException

Return a list of messages from the provided channel (merged flag returns merged messages)

Specified by:

getMessages in interface AnnouncementService

Parameters:

channelReference - Channel's reference String

filter - A filtering object to accept messages, or null if no filtering is desired.

order - Order of messages, ascending if true, descending if false

merged - flag to include merged channel messages, true returns ALL messages including merged sites/channels

Returns:

a list of Message objects or specializations of Message objects (may be empty).

Throws:

org.sakaiproject.exception.IdUnusedException - If this name is not defined for a announcement channel.

org.sakaiproject.exception.PermissionException - if the user does not have read permission to the channel.

NullPointerException

getLabel

public String getLabel()

Specified by:

getLabel in interface org.sakaiproject.entity.api.EntityProducer

getSummaryFromHeader

protected String getSummaryFromHeader(org.sakaiproject.message.api.Message item,
                                      org.sakaiproject.message.api.MessageHeader header)

getSummaryFromHeader implementation

Overrides:

getSummaryFromHeader in class org.sakaiproject.message.impl.BaseMessageService

transferCopyEntities

public void transferCopyEntities(String fromContext,
                                 String toContext,
                                 List resourceIds)

Specified by:

transferCopyEntities in interface org.sakaiproject.entity.api.EntityTransferrer

transferCopyEntitiesRefMigrator

public Map<String,String> transferCopyEntitiesRefMigrator(String fromContext,
                                                          String toContext,
                                                          List resourceIds)

Specified by:

transferCopyEntitiesRefMigrator in interface org.sakaiproject.entity.api.EntityTransferrerRefMigrator

updateEntityReferences

public void updateEntityReferences(String toContext,
                                   Map<String,String> transversalMap)

Specified by:

updateEntityReferences in interface org.sakaiproject.entity.api.EntityTransferrerRefMigrator

summarizableToolIds

public String[] summarizableToolIds()

Specified by:

summarizableToolIds in interface org.sakaiproject.entity.api.EntitySummary

getSummarizableReference

public String getSummarizableReference(String siteId,
                                       String toolIdentifier)

Specified by:

getSummarizableReference in interface org.sakaiproject.entity.api.EntitySummary

Overrides:

getSummarizableReference in class org.sakaiproject.message.impl.BaseMessageService

transferCopyEntities

public void transferCopyEntities(String fromContext,
                                 String toContext,
                                 List ids,
                                 boolean cleanup)

Specified by:

transferCopyEntities in interface org.sakaiproject.entity.api.EntityTransferrer

transferCopyEntitiesRefMigrator

public Map<String,String> transferCopyEntitiesRefMigrator(String fromContext,
                                                          String toContext,
                                                          List ids,
                                                          boolean cleanup)

Specified by:

transferCopyEntitiesRefMigrator in interface org.sakaiproject.entity.api.EntityTransferrerRefMigrator

clearMessagesCache

public void clearMessagesCache(String channelRef)

Specified by:

clearMessagesCache in interface AnnouncementService