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## 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

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