org.kuali.student.common.assembly.dictionary
Class MetadataServiceImpl

java.lang.Object
  org.kuali.student.common.assembly.dictionary.MetadataServiceImpl

Direct Known Subclasses:

ProgramMetadataServiceImpl

public class MetadataServiceImpl
extends Object

This class provides metadata lookup for service dto objects.

Author:

Kuali Student Team

Nested Class Summary

private static class

MetadataServiceImpl.RecursionCounter

Field Summary

private Map<String,DictionaryService>	dictionaryServiceMap
(package private) Logger	LOG
private List<UILookupConfig>	lookupObjectStructures
private String	uiLookupContext

Constructor Summary

MetadataServiceImpl(DictionaryService... dictionaryServices)
Create a metadata service initializing it with all known dictionary services

Method Summary

private void	addLookupstoMetadata(String objectKey, Metadata metadata, String type)
private String	calcSimpleName(String objectKey)
protected Data.Value	convertDefaultValue(Data.DataType dataType, Object value) Convert Object value to respective DataType.
protected Data.Value	convertDefaultValue(Object value)
protected Data.DataType	convertDictionaryDataType(DataType dataType)
protected List<ConstraintMetadata>	getConstraints(FieldDefinition fd, String type, String state, String nextState)
Metadata	getMetadata(String objectKey) This method gets the metadata for the given object key for state DRAFT.
Metadata	getMetadata(String objectKey, String state) This method gets the metadata for the given object key and state
Metadata	getMetadata(String objectKey, String type, String state) This method gets the metadata for the given object key, type and state
Metadata	getMetadata(String objectKey, String type, String state, String nextState) This method gets the metadata for the given object key, type, state and nextState
protected Metadata	getMetadataFromDictionaryService(String objectKey, String type, String state, String nextState) This invokes the appropriate dictionary service to get the object structure and then converts it to a metadata structure.
protected ObjectStructureDefinition	getObjectStructure(String objectKey) This method gets the object structure for given objectKey from a dictionaryService
private static String[]	getPathTokens(String fieldPath)
private Map<String,Metadata>	getProperties(ObjectStructureDefinition objectStructure, String type, String state, String nextState, MetadataServiceImpl.RecursionCounter counter) This method is used to convert a list of dictionary fields into metadata properties
private void	init()
protected boolean	isRepeating(FieldDefinition fd) This method determines if a field is repeating
private LookupMetadata	mapLookupDatatoMeta(UILookupData lookupData)
private LookupParamMetadata	mapLookupParamMetadata(CommonLookupParam param)
private boolean	matchesObjectKey(String objectKey, String path)
private boolean	matchesType(String paramType, String lookupType)
protected void	processCaseConstraint(ConstraintMetadata constraintMetadata, CaseConstraint caseConstraint, String type, String state, String nextState)
void	setUiLookupContext(String uiLookupContext)
protected void	updateConstraintMetadata(ConstraintMetadata constraintMetadata, Constraint constraint, String type, String state, String nextState) This updates the constraintMetadata with defintions from the dictionary constraint field.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

final Logger LOG

dictionaryServiceMap

private Map<String,DictionaryService> dictionaryServiceMap

lookupObjectStructures

private List<UILookupConfig> lookupObjectStructures

uiLookupContext

private String uiLookupContext

Constructor Detail

MetadataServiceImpl

public MetadataServiceImpl(DictionaryService... dictionaryServices)

Create a metadata service initializing it with all known dictionary services

Parameters:

dictionaryServices -

Method Detail

getMetadata

public Metadata getMetadata(String objectKey,
                            String type,
                            String state,
                            String nextState)

This method gets the metadata for the given object key, type, state and nextState

Parameters:

objectKey -

type - The type of the object (value can be null)

state - The state for which to retrieve object constraints (value can be null)

nextState - The state to to check requiredForNextState indicators (value can be null)

Returns:

getMetadata

public Metadata getMetadata(String objectKey,
                            String type,
                            String state)

This method gets the metadata for the given object key, type and state

Parameters:

objectKey -

type - The type of the object (value can be null)

state - The state for which to retrieve object constraints (value can be null)

Returns:

getMetadata

public Metadata getMetadata(String objectKey,
                            String state)

This method gets the metadata for the given object key and state

Parameters:

objectKey -

type - The type of the object (value can be null)

getMetadata

public Metadata getMetadata(String objectKey)

This method gets the metadata for the given object key for state DRAFT.

Parameters:

objectKey -

Returns:

See Also:

getMetadata(String, String)

getMetadataFromDictionaryService

protected Metadata getMetadataFromDictionaryService(String objectKey,
                                                    String type,
                                                    String state,
                                                    String nextState)

This invokes the appropriate dictionary service to get the object structure and then converts it to a metadata structure.

Parameters:

objectKey -

type -

state -

Returns:

getProperties

private Map<String,Metadata> getProperties(ObjectStructureDefinition objectStructure,
                                           String type,
                                           String state,
                                           String nextState,
                                           MetadataServiceImpl.RecursionCounter counter)

This method is used to convert a list of dictionary fields into metadata properties

Parameters:

fields -

type -

state -

Returns:

isRepeating

protected boolean isRepeating(FieldDefinition fd)

This method determines if a field is repeating

Parameters:

fd -

Returns:

getObjectStructure

protected ObjectStructureDefinition getObjectStructure(String objectKey)

This method gets the object structure for given objectKey from a dictionaryService

Parameters:

objectKey -

Returns:

getConstraints

protected List<ConstraintMetadata> getConstraints(FieldDefinition fd,
                                                  String type,
                                                  String state,
                                                  String nextState)

updateConstraintMetadata

protected void updateConstraintMetadata(ConstraintMetadata constraintMetadata,
                                        Constraint constraint,
                                        String type,
                                        String state,
                                        String nextState)

This updates the constraintMetadata with defintions from the dictionary constraint field.

Parameters:

constraintMetadata -

constraint -

processCaseConstraint

protected void processCaseConstraint(ConstraintMetadata constraintMetadata,
                                     CaseConstraint caseConstraint,
                                     String type,
                                     String state,
                                     String nextState)

convertDefaultValue

protected Data.Value convertDefaultValue(Data.DataType dataType,
                                         Object value)

Convert Object value to respective DataType. Method return null for object Value.

Parameters:

dataType -

value -

Returns:

convertDefaultValue

protected Data.Value convertDefaultValue(Object value)

convertDictionaryDataType

protected Data.DataType convertDictionaryDataType(DataType dataType)

setUiLookupContext

public void setUiLookupContext(String uiLookupContext)

init

private void init()

calcSimpleName

private String calcSimpleName(String objectKey)

matchesObjectKey

private boolean matchesObjectKey(String objectKey,
                                 String path)

matchesType

private boolean matchesType(String paramType,
                            String lookupType)

addLookupstoMetadata

private void addLookupstoMetadata(String objectKey,
                                  Metadata metadata,
                                  String type)

mapLookupDatatoMeta

private LookupMetadata mapLookupDatatoMeta(UILookupData lookupData)

mapLookupParamMetadata

private LookupParamMetadata mapLookupParamMetadata(CommonLookupParam param)

getPathTokens

private static String[] getPathTokens(String fieldPath)