Package org.dspace.content.service

Interface CollectionService

    • Method Detail

      • create

        Collection create​(Context context,
                  Community community,
                  String handle)
           throws SQLException,
                  AuthorizeException
        Create a new collection with the supplied handle and with a new ID. Once created the collection is added to the given community
        Parameters:
        context - DSpace context object
        community - DSpace Community (parent)
        handle - the pre-determined Handle to assign to the new community
        Returns:
        the newly created collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • create

        Collection create​(Context context,
                  Community community,
                  String handle,
                  UUID uuid)
           throws SQLException,
                  AuthorizeException
        Create a new collection with the supplied handle and ID. Once created the collection is added to the given community
        Parameters:
        context - DSpace context object
        community - DSpace Community (parent)
        handle - the pre-determined Handle to assign to the new collection
        uuid - the pre-determined UUID to assign to the new collection
        Returns:
        the newly created collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • findAll

        List<Collection> findAll​(Context context)
                  throws SQLException
        Get all collections in the system. These are alphabetically sorted by collection name.
        Parameters:
        context - DSpace context object
        Returns:
        the collections in the system
        Throws:
        SQLException - if database error

      • findAll

        List<Collection> findAll​(Context context,
                         Integer limit,
                         Integer offset)
                  throws SQLException
        Get all collections in the system. Adds support for limit and offset.
        Parameters:
        context - The relevant DSpace Context.
        limit - paging limit
        offset - paging offset
        Returns:
        List of Collections
        Throws:
        SQLException - if database error

      • setLogo

        Bitstream setLogo​(Context context,
                  Collection collection,
                  InputStream is)
           throws AuthorizeException,
                  IOException,
                  SQLException
        Give the collection a logo. Passing in null removes any existing logo. You will need to set the format of the new logo bitstream before it will work, for example to "JPEG". Note that update will need to be called for the change to take effect. Setting a logo and not calling update later may result in a previous logo lying around as an "orphaned" bitstream.
        Parameters:
        context - DSpace Context
        collection - Collection
        is - the stream to use as the new logo
        Returns:
        the new logo bitstream, or null if there is no logo (null was passed in)
        Throws:
        AuthorizeException - if authorization error
        IOException - if IO error
        SQLException - if database error

      • createWorkflowGroup

        Group createWorkflowGroup​(Context context,
                          Collection collection,
                          int step)
                   throws SQLException,
                          AuthorizeException
        Create a workflow group for the given step if one does not already exist. Returns either the newly created group or the previously existing one. Note that while the new group is created in the database, the association between the group and the collection is not written until update is called.
        Parameters:
        context - DSpace Context
        collection - Collection
        step - the step (1-3) of the workflow to create or get the group for
        Returns:
        the workflow group associated with this collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • setWorkflowGroup

        void setWorkflowGroup​(Context context,
                      Collection collection,
                      int step,
                      Group group)
               throws SQLException,
                      AuthorizeException
        Set the workflow group corresponding to a particular workflow step. null can be passed in if there should be no associated group for that workflow step; any existing group is NOT deleted.
        Parameters:
        context - current DSpace session.
        collection - Collection
        step - the workflow step (1-3)
        group - the new workflow group, or null
        Throws:
        SQLException - passed through.
        AuthorizeException - passed through.

      • getWorkflowGroup

        Group getWorkflowGroup​(Context context,
                       Collection collection,
                       int step)
        Get the the workflow group corresponding to a particular workflow step. This returns null if there is no group associated with this collection for the given step.
        Parameters:
        context - DSpace Context
        collection - Collection
        step - the workflow step (1-3)
        Returns:
        the group of reviewers or null

      • createSubmitters

        Group createSubmitters​(Context context,
                       Collection collection)
                throws SQLException,
                       AuthorizeException
        Create a default submitters group if one does not already exist. Returns either the newly created group or the previously existing one. Note that other groups may also be allowed to submit to this collection by the authorization system.
        Parameters:
        context - DSpace Context
        collection - Collection
        Returns:
        the default group of submitters associated with this collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • removeSubmitters

        void removeSubmitters​(Context context,
                      Collection collection)
               throws SQLException,
                      AuthorizeException
        Remove the submitters group, if no group has already been created then return without error. This will merely dereference the current submitters group from the collection so that it may be deleted without violating database constraints.
        Parameters:
        context - DSpace Context
        collection - Collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • createAdministrators

        Group createAdministrators​(Context context,
                           Collection collection)
                    throws SQLException,
                           AuthorizeException
        Create a default administrators group if one does not already exist. Returns either the newly created group or the previously existing one. Note that other groups may also be administrators.
        Parameters:
        context - DSpace Context
        collection - Collection
        Returns:
        the default group of editors associated with this collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • removeAdministrators

        void removeAdministrators​(Context context,
                          Collection collection)
                   throws SQLException,
                          AuthorizeException
        Remove the administrators group, if no group has already been created then return without error. This will merely dereference the current administrators group from the collection so that it may be deleted without violating database constraints.
        Parameters:
        context - DSpace Context
        collection - Collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • getLicense

        String getLicense​(Collection collection)
        Get the license that users must grant before submitting to this collection. If the collection does not have a specific license, the site-wide default is returned.
        Parameters:
        collection - Collection
        Returns:
        the license for this collection

      • hasCustomLicense

        boolean hasCustomLicense​(Collection collection)
        Find out if the collection has a custom license
        Parameters:
        collection - Collection
        Returns:
        true if the collection has a custom license

      • createTemplateItem

        void createTemplateItem​(Context context,
                        Collection collection)
                 throws SQLException,
                        AuthorizeException
        Create an empty template item for this collection. If one already exists, no action is taken. Caution: Make sure you call update on the collection after doing this, or the item will have been created but the collection record will not refer to it.
        Parameters:
        context - DSpace Context
        collection - Collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • removeTemplateItem

        void removeTemplateItem​(Context context,
                        Collection collection)
                 throws SQLException,
                        AuthorizeException,
                        IOException
        Remove the template item for this collection, if there is one. Note that since this has to remove the old template item ID from the collection record in the database, the collection record will be changed, including any other changes made; in other words, this method does an update.
        Parameters:
        context - DSpace Context
        collection - Collection
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error
        IOException - if IO error

      • addItem

        void addItem​(Context context,
             Collection collection,
             Item item)
      throws SQLException,
             AuthorizeException
        Add an item to the collection. This simply adds a relationship between the item and the collection - it does nothing like set an issue date, remove a personal workspace item etc. This has instant effect; update need not be called.
        Parameters:
        context - DSpace Context
        collection - Collection
        item - item to add
        Throws:
        SQLException - if database error
        AuthorizeException - if authorization error

      • findAuthorized

        List<Collection> findAuthorized​(Context context,
                                Community community,
                                int actionID)
                         throws SQLException
        return an array of collections that user has a given permission on (useful for trimming 'select to collection' list) or figuring out which collections a person is an editor for.
        Parameters:
        context - DSpace Context
        community - (optional) restrict search to a community, else null
        actionID - of the action
        Returns:
        Collection [] of collections with matching permissions
        Throws:
        SQLException - if database error

      • findByGroup

        Collection findByGroup​(Context context,
                       Group group)
                throws SQLException
        Parameters:
        context - DSpace Context
        group - EPerson Group
        Returns:
        the collection, if any, that has the specified group as administrators or submitters
        Throws:
        SQLException

      • getCollectionsWithBitstreamSizesTotal

        List<Map.Entry<Collection,​Long>> getCollectionsWithBitstreamSizesTotal​(Context context)
                                                                      throws SQLException
        The map entry returned contains a collection as a key and sum of bitstream sizes in bytes as a value
        Parameters:
        context - DSpace Context
        Returns:
        List of Collections and bitstream sizes map
        Throws:
        SQLException - if database error

      • createDefaultReadGroup

        Group createDefaultReadGroup​(Context context,
                             Collection collection,
                             String typeOfGroupString,
                             int defaultRead)
                      throws SQLException,
                             AuthorizeException
        This method will create a default read group for the given Collection. It'll create either a defaultItemRead or a defaultBitstreamRead group depending on the given parameters
        Parameters:
        context - The relevant DSpace context
        collection - The collection for which it'll be created
        typeOfGroupString - The type of group to be made, item or bitstream
        defaultRead - The defaultRead int, item or bitstream
        Returns:
        The created Group
        Throws:
        SQLException - If something goes wrong
        AuthorizeException - If something goes wrong

      • getDefaultReadGroupName

        String getDefaultReadGroupName​(Collection collection,
                               String typeOfGroupString)
        This method will return the name to give to the group created by the createDefaultReadGroup(Context, Collection, String, int) method
        Parameters:
        collection - The DSpace collection to use in the name generation
        typeOfGroupString - The type of group to use in the name generation
        Returns:
        the name to give to the group that hold default read for the collection

      • findCollectionsWithSubmit

        List<Collection> findCollectionsWithSubmit​(String q,
                                           Context context,
                                           Community community,
                                           String entityType,
                                           int offset,
                                           int limit)
                                    throws SQLException,
                                           SearchServiceException
        Returns Collections for which the current user has 'submit' privileges. NOTE: for better performance, this method retrieves its results from an index (cache) and does not query the database directly. This means that results may be stale or outdated until https://github.com/DSpace/DSpace/issues/2853 is resolved"
        Parameters:
        q - limit the returned collection to those with metadata values matching the query terms. The terms are used to make also a prefix query on SOLR so it can be used to implement an autosuggest feature over the collection name
        context - DSpace Context
        community - parent community
        entityType - limit the returned collection to those related to given entity type
        offset - the position of the first result to return
        limit - paging limit
        Returns:
        discovery search result objects
        Throws:
        SQLException - if something goes wrong
        SearchServiceException - if search error

      • findCollectionsWithSubmit

        List<Collection> findCollectionsWithSubmit​(String q,
                                           Context context,
                                           Community community,
                                           int offset,
                                           int limit)
                                    throws SQLException,
                                           SearchServiceException
        Returns Collections for which the current user has 'submit' privileges. NOTE: for better performance, this method retrieves its results from an index (cache) and does not query the database directly. This means that results may be stale or outdated until https://github.com/DSpace/DSpace/issues/2853 is resolved"
        Parameters:
        q - limit the returned collection to those with metadata values matching the query terms. The terms are used to make also a prefix query on SOLR so it can be used to implement an autosuggest feature over the collection name
        context - DSpace Context
        community - parent community
        offset - the position of the first result to return
        limit - paging limit
        Returns:
        discovery search result objects
        Throws:
        SQLException - if something goes wrong
        SearchServiceException - if search error

      • countCollectionsWithSubmit

        int countCollectionsWithSubmit​(String q,
                               Context context,
                               Community community)
                        throws SQLException,
                               SearchServiceException
        Counts the number of Collection for which the current user has 'submit' privileges. NOTE: for better performance, this method retrieves its results from an index (cache) and does not query the database directly. This means that results may be stale or outdated until https://github.com/DSpace/DSpace/issues/2853 is resolved."
        Parameters:
        q - limit the returned collection to those with metadata values matching the query terms. The terms are used to make also a prefix query on SOLR so it can be used to implement an autosuggest feature over the collection name
        context - DSpace Context
        community - parent community
        Returns:
        total collections found
        Throws:
        SQLException - if something goes wrong
        SearchServiceException - if search error

      • countCollectionsWithSubmit

        int countCollectionsWithSubmit​(String q,
                               Context context,
                               Community community,
                               String entityType)
                        throws SQLException,
                               SearchServiceException
        Counts the number of Collection for which the current user has 'submit' privileges. NOTE: for better performance, this method retrieves its results from an index (cache) and does not query the database directly. This means that results may be stale or outdated until https://github.com/DSpace/DSpace/issues/2853 is resolved."
        Parameters:
        q - limit the returned collection to those with metadata values matching the query terms. The terms are used to make also a prefix query on SOLR so it can be used to implement an autosuggest feature over the collection name
        context - DSpace Context
        community - parent community
        entityType - limit the returned collection to those related to given entity type
        Returns:
        total collections found
        Throws:
        SQLException - if something goes wrong
        SearchServiceException - if search error