org.codehaus.groovy.grails.commons
Class ArtefactHandlerAdapter

java.lang.Object
  org.codehaus.groovy.grails.commons.ArtefactHandlerAdapter

All Implemented Interfaces:

ArtefactHandler

Direct Known Subclasses:

BootstrapArtefactHandler, CodecArtefactHandler, ControllerArtefactHandler, DomainClassArtefactHandler, ServiceArtefactHandler, TagLibArtefactHandler, UrlMappingsArtefactHandler

public class ArtefactHandlerAdapter
extends Object
implements ArtefactHandler

Author:

Marc Palmer (marc@anyware.co.uk)

Field Summary

protected org.apache.commons.logging.Log

log

Constructor Summary

ArtefactHandlerAdapter(String type, Class grailsClassType, Class grailsClassImpl, String artefactSuffix)

ArtefactHandlerAdapter(String type, Class grailsClassType, Class grailsClassImpl, String artefactSuffix, boolean allowAbstract)

Method Summary

GrailsClass	getArtefactForFeature(Object feature) Called to retrieve an artefact relating to some other key for example a URI or tag name Handlers are responsible for caching the appropriate information using the data passed to them in calls to initialize()
String	getType() Implementations must return a name such as "Domain" to indicate the type of artefact they represent
void	initialize(ArtefactInfo artefacts) Sets up the relationships between the domain classes, this has to be done after the intial creation to avoid looping
boolean	isArtefact(Class aClass) This method will be called by the GrailsApplication whenever it needs to know if a given class is considered to be the kind of artefact represented by this handler.
boolean	isArtefactClass(Class clazz) Checks that class's name ends in the suffix specified for this handler.
boolean	isArtefactGrailsClass(GrailsClass artefactGrailsClass) Called to check if the specified GrailsClass is one managed by this artefact handler
GrailsClass	newArtefactClass(Class artefactClass) Creates new GrailsClass derived object using the type supplied in constructor.

Methods inherited from class java.lang.Object

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

Field Detail

log

protected org.apache.commons.logging.Log log

Constructor Detail

ArtefactHandlerAdapter

public ArtefactHandlerAdapter(String type,
                              Class grailsClassType,
                              Class grailsClassImpl,
                              String artefactSuffix)

ArtefactHandlerAdapter

public ArtefactHandlerAdapter(String type,
                              Class grailsClassType,
                              Class grailsClassImpl,
                              String artefactSuffix,
                              boolean allowAbstract)

Method Detail

getType

public String getType()

Description copied from interface: ArtefactHandler

Implementations must return a name such as "Domain" to indicate the type of artefact they represent

Specified by:

getType in interface ArtefactHandler

Returns:

The aretfact type, as a String

isArtefact

public final boolean isArtefact(Class aClass)

Description copied from interface: ArtefactHandler

This method will be called by the GrailsApplication whenever it needs to know if a given class is considered to be the kind of artefact represented by this handler.

Typically you will check the name of the class and some other properties to see if it is of the correct artefact type

Specified by:

isArtefact in interface ArtefactHandler

Parameters:

aClass - A class to test

Returns:

True if the class looks like one of your artefacts

isArtefactClass

public boolean isArtefactClass(Class clazz)

Checks that class's name ends in the suffix specified for this handler.

Override for more complex criteria

Parameters:

clazz - The class to check

Returns:

True if it is an artefact of this type

newArtefactClass

public GrailsClass newArtefactClass(Class artefactClass)

Creates new GrailsClass derived object using the type supplied in constructor. May not perform optimally but is a convenience.

Specified by:

newArtefactClass in interface ArtefactHandler

Parameters:

artefactClass - Creates a new artefact for the given class

Returns:

An instance of the GrailsClass interface representing the artefact

initialize

public void initialize(ArtefactInfo artefacts)

Sets up the relationships between the domain classes, this has to be done after the intial creation to avoid looping

Specified by:

initialize in interface ArtefactHandler

Parameters:

artefacts - The collection of artefact classes for this handler

getArtefactForFeature

public GrailsClass getArtefactForFeature(Object feature)

Description copied from interface: ArtefactHandler

Called to retrieve an artefact relating to some other key for example a URI or tag name

Handlers are responsible for caching the appropriate information using the data passed to them in calls to initialize()

Specified by:

getArtefactForFeature in interface ArtefactHandler

Parameters:

feature - Any object that acts as a key

Returns:

A matching artefact GrailsClass or null if there is no match for this feature ID

isArtefactGrailsClass

public boolean isArtefactGrailsClass(GrailsClass artefactGrailsClass)

Description copied from interface: ArtefactHandler

Called to check if the specified GrailsClass is one managed by this artefact handler

Specified by:

isArtefactGrailsClass in interface ArtefactHandler

Parameters:

artefactGrailsClass - A GrailsClass instance

Returns:

True if this handler manages the specified GrailsClass