Package org.dspace.content.authority

Class ChoiceAuthorityServiceImpl

java.lang.Object

org.dspace.content.authority.ChoiceAuthorityServiceImpl

All Implemented Interfaces:

ChoiceAuthorityService

public final class ChoiceAuthorityServiceImpl
extends Object
implements ChoiceAuthorityService

Broker for ChoiceAuthority plugins, and for other information configured about the choice aspect of authority control for a metadata field. Configuration keys, per metadata field (e.g. "dc.contributer.author") # names the ChoiceAuthority plugin called for this field choices.plugin.<FIELD> = name-of-plugin # mode of UI presentation desired in submission UI: # "select" is dropdown menu, "lookup" is popup with selector, "suggest" is autocomplete/suggest choices.presentation.<FIELD> = "select" | "suggest" # is value "closed" to the set of these choices or are non-authority values permitted? choices.closed.<FIELD> = true | false

Author:

Larry Stone

See Also:

ChoiceAuthority

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,List<String>>	authorities
protected Map<String,Map<String,List<String>>>	authoritiesFormDefinitions
protected Map<String,Boolean>	closed
protected ConfigurationService	configurationService
protected Map<String,ChoiceAuthority>	controller
protected Map<String,Map<String,ChoiceAuthority>>	controllerFormDefinitions
protected PluginService	pluginService
protected Map<String,String>	presentation

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ChoiceAuthorityServiceImpl()

Method Summary

Modifier and Type	Method	Description
void	clearCache()	This method has been created to have a way of clearing the cache kept inside the service
protected String	config2fkey(String field)
Choices	getBestMatch(String fieldKey, String query, Collection collection, String locale)	Wrapper that calls getBestMatch method of the plugin corresponding to the metadata field defined by single field key.
Set<String>	getChoiceAuthoritiesNames()
ChoiceAuthority	getChoiceAuthorityByAuthorityName(String authorityName)	Return the ChoiceAuthority instance identified by the specified name
String	getChoiceAuthorityName(String schema, String element, String qualifier, Collection collection)
Choices	getChoicesByParent(String authorityName, String parentId, int start, int limit, String locale)	Wrapper that calls getChoicesByParent method of the plugin.
String	getLabel(String fieldKey, Collection collection, String authKey, String locale)	Wrapper that calls getLabel method of the plugin corresponding to the metadata field defined by single field key.
String	getLabel(MetadataValue metadataValue, Collection collection, String locale)	Wrapper that calls getLabel method of the plugin corresponding to the metadata field defined by schema,element,qualifier.
Choices	getMatches(String schema, String element, String qualifier, String query, Collection collection, int start, int limit, String locale)	Wrapper that calls getMatches method of the plugin corresponding to the metadata field defined by schema,element,qualifier.
Choices	getMatches(String fieldKey, String query, Collection collection, int start, int limit, String locale)	Wrapper calls getMatches method of the plugin corresponding to the metadata field defined by single field key.
Choice	getParentChoice(String authorityName, String vocabularyId, String locale)	Return the direct parent of an entry identified by its id in an hierarchical authority.
String	getPresentation(String fieldKey)	Get the presentation keyword (should be "lookup", "select" or "suggest", but this is an informal convention so it can be easily extended) for this field.
Choices	getTopChoices(String authorityName, int start, int limit, String locale)	Wrapper that calls getTopChoices method of the plugin.
List<String>	getVariants(MetadataValue metadataValue, Collection collection)	Wrapper to call plugin's getVariants().
boolean	isChoicesConfigured(String fieldKey, Collection collection)	Predicate, is there a Choices configuration of any kind for the given metadata field?
boolean	isClosed(String fieldKey)	Get the configured "closed" value for this field.
protected String	makeFieldKey(String schema, String element, String qualifier)
boolean	storeAuthority(String fieldKey, Collection collection)	Should we store the authority key (if any) for such field key and collection?

Methods inherited from class java.lang.Object

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

Field Detail

controller

protected Map<String,ChoiceAuthority> controller

controllerFormDefinitions

protected Map<String,Map<String,ChoiceAuthority>> controllerFormDefinitions

presentation

protected Map<String,String> presentation

closed

protected Map<String,Boolean> closed

authorities

protected Map<String,List<String>> authorities

authoritiesFormDefinitions

protected Map<String,Map<String,List<String>>> authoritiesFormDefinitions

configurationService

@Autowired(required=true)
protected ConfigurationService configurationService

pluginService

@Autowired(required=true)
protected PluginService pluginService

Constructor Detail

ChoiceAuthorityServiceImpl

protected ChoiceAuthorityServiceImpl()

Method Detail

config2fkey

protected String config2fkey(String field)

getChoiceAuthoritiesNames

public Set<String> getChoiceAuthoritiesNames()

Specified by:

getChoiceAuthoritiesNames in interface ChoiceAuthorityService

Returns:

the names of all the defined choice authorities

getMatches

public Choices getMatches(String schema,
                          String element,
                          String qualifier,
                          String query,
                          Collection collection,
                          int start,
                          int limit,
                          String locale)

Description copied from interface: ChoiceAuthorityService

Wrapper that calls getMatches method of the plugin corresponding to the metadata field defined by schema,element,qualifier.

Specified by:

getMatches in interface ChoiceAuthorityService

Parameters:

schema - schema of metadata field

element - element of metadata field

qualifier - qualifier of metadata field

query - user's value to match

collection - database ID of Collection for context (owner of Item)

start - choice at which to start, 0 is first.

limit - maximum number of choices to return, 0 for no limit.

locale - explicit localization key if available, or null

Returns:

a Choices object (never null).

See Also:

org.dspace.content.authority.ChoiceAuthority#getMatches(java.lang.String, java.lang.String, org.dspace .content.Collection, int, int, java.lang.String)

getMatches

public Choices getMatches(String fieldKey,
                          String query,
                          Collection collection,
                          int start,
                          int limit,
                          String locale)

Description copied from interface: ChoiceAuthorityService

Wrapper calls getMatches method of the plugin corresponding to the metadata field defined by single field key.

Specified by:

getMatches in interface ChoiceAuthorityService

Parameters:

fieldKey - single string identifying metadata field

query - user's value to match

collection - database ID of Collection for context (owner of Item)

start - choice at which to start, 0 is first.

limit - maximum number of choices to return, 0 for no limit.

locale - explicit localization key if available, or null

Returns:

a Choices object (never null).

See Also:

org.dspace.content.authority.ChoiceAuthority#getMatches(java.lang.String, java.lang.String, org.dspace .content.Collection, int, int, java.lang.String)

getBestMatch

public Choices getBestMatch(String fieldKey,
                            String query,
                            Collection collection,
                            String locale)

Description copied from interface: ChoiceAuthorityService

Wrapper that calls getBestMatch method of the plugin corresponding to the metadata field defined by single field key.

Specified by:

getBestMatch in interface ChoiceAuthorityService

Parameters:

fieldKey - single string identifying metadata field

query - user's value to match

collection - database ID of Collection for context (owner of Item)

locale - explicit localization key if available, or null

Returns:

a Choices object (never null) with 1 or 0 values.

See Also:

org.dspace.content.authority.ChoiceAuthority#getBestMatch(java.lang.String, java.lang.String, org.dspace .content.Collection, java.lang.String)

getLabel

public String getLabel(MetadataValue metadataValue,
                       Collection collection,
                       String locale)

Description copied from interface: ChoiceAuthorityService

Wrapper that calls getLabel method of the plugin corresponding to the metadata field defined by schema,element,qualifier.

Specified by:

getLabel in interface ChoiceAuthorityService

Parameters:

metadataValue - metadata value

collection - Collection owner of Item

locale - explicit localization key if available

Returns:

label

getLabel

public String getLabel(String fieldKey,
                       Collection collection,
                       String authKey,
                       String locale)

Description copied from interface: ChoiceAuthorityService

Wrapper that calls getLabel method of the plugin corresponding to the metadata field defined by single field key.

Specified by:

getLabel in interface ChoiceAuthorityService

Parameters:

fieldKey - single string identifying metadata field

collection - Collection owner of Item

authKey - authority key

locale - explicit localization key if available

Returns:

label

isChoicesConfigured

public boolean isChoicesConfigured(String fieldKey,
                                   Collection collection)

Description copied from interface: ChoiceAuthorityService

Predicate, is there a Choices configuration of any kind for the given metadata field?

Specified by:

isChoicesConfigured in interface ChoiceAuthorityService

Parameters:

fieldKey - single string identifying metadata field

collection - Collection owner of Item

Returns:

true if choices are configured for this field.

getPresentation

public String getPresentation(String fieldKey)

Description copied from interface: ChoiceAuthorityService

Get the presentation keyword (should be "lookup", "select" or "suggest", but this is an informal convention so it can be easily extended) for this field.

Specified by:

getPresentation in interface ChoiceAuthorityService

Parameters:

fieldKey - field key

Returns:

configured presentation type for this field, or null if none found

isClosed

public boolean isClosed(String fieldKey)

Description copied from interface: ChoiceAuthorityService

Get the configured "closed" value for this field.

Specified by:

isClosed in interface ChoiceAuthorityService

Parameters:

fieldKey - single string identifying metadata field

Returns:

true if choices are closed for this field.

getVariants

public List<String> getVariants(MetadataValue metadataValue,
                                Collection collection)

Description copied from interface: ChoiceAuthorityService

Wrapper to call plugin's getVariants().

Specified by:

getVariants in interface ChoiceAuthorityService

Parameters:

metadataValue - metadata value

Returns:

List of variants

getChoiceAuthorityName

public String getChoiceAuthorityName(String schema,
                                     String element,
                                     String qualifier,
                                     Collection collection)

Specified by:

getChoiceAuthorityName in interface ChoiceAuthorityService

Parameters:

schema - schema of metadata field

element - element of metadata field

qualifier - qualifier of metadata field

Returns:

the name of the choice authority associated with the specified metadata. Throw IllegalArgumentException if the supplied metadata is not associated with an authority choice

makeFieldKey

protected String makeFieldKey(String schema,
                              String element,
                              String qualifier)

clearCache

public void clearCache()

Description copied from interface: ChoiceAuthorityService

This method has been created to have a way of clearing the cache kept inside the service

Specified by:

clearCache in interface ChoiceAuthorityService

getChoiceAuthorityByAuthorityName

public ChoiceAuthority getChoiceAuthorityByAuthorityName(String authorityName)

Description copied from interface: ChoiceAuthorityService

Return the ChoiceAuthority instance identified by the specified name

Specified by:

getChoiceAuthorityByAuthorityName in interface ChoiceAuthorityService

Parameters:

authorityName - the ChoiceAuthority instance name

Returns:

the ChoiceAuthority identified by the specified name

storeAuthority

public boolean storeAuthority(String fieldKey,
                              Collection collection)

Description copied from interface: ChoiceAuthorityService

Should we store the authority key (if any) for such field key and collection?

Specified by:

storeAuthority in interface ChoiceAuthorityService

Parameters:

fieldKey - single string identifying metadata field

collection - Collection owner of Item or where the item is submitted to

Returns:

true if the configuration allows to store the authority value

getChoicesByParent

public Choices getChoicesByParent(String authorityName,
                                  String parentId,
                                  int start,
                                  int limit,
                                  String locale)

Wrapper that calls getChoicesByParent method of the plugin.

Specified by:

getChoicesByParent in interface ChoiceAuthorityService

Parameters:

authorityName - authority name

parentId - parent Id

start - choice at which to start, 0 is first.

limit - maximum number of choices to return, 0 for no limit.

locale - explicit localization key if available, or null

Returns:

a Choices object (never null).

See Also:

org.dspace.content.authority.ChoiceAuthority#getChoicesByParent(java.lang.String, java.lang.String, int, int, java.lang.String)

getTopChoices

public Choices getTopChoices(String authorityName,
                             int start,
                             int limit,
                             String locale)

Wrapper that calls getTopChoices method of the plugin.

Specified by:

getTopChoices in interface ChoiceAuthorityService

Parameters:

authorityName - authority name

start - choice at which to start, 0 is first.

limit - maximum number of choices to return, 0 for no limit.

locale - explicit localization key if available, or null

Returns:

a Choices object (never null).

See Also:

org.dspace.content.authority.ChoiceAuthority#getTopChoices(java.lang.String, int, int, java.lang.String)

getParentChoice

public Choice getParentChoice(String authorityName,
                              String vocabularyId,
                              String locale)

Description copied from interface: ChoiceAuthorityService

Return the direct parent of an entry identified by its id in an hierarchical authority.

Specified by:

getParentChoice in interface ChoiceAuthorityService

Parameters:

authorityName - authority name

vocabularyId - child id

locale - explicit localization key if available, or null

Returns:

the parent Choice object if any