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## org.codehaus.groovy.grails.plugins
[Java] Interface GrailsPluginManager

    org.codehaus.groovy.grails.plugins.GrailsPluginManager
      org.springframework.beans.factory.Aware

All Superinterfaces:
  org.springframework.beans.factory.Aware

    public interface GrailsPluginManager
    extends org.springframework.context.ApplicationContextAware, org.springframework.web.context.ServletContextAware

Handles the loading and management of plug-ins in the Grails system. A plugin a just like a normal Grails application except that it contains a file ending in *Plugin.groovy in the root of the directory.

A Plugin class is a Groovy class that has a version and optionally closures called doWithSpring, doWithContext and doWithWebDescriptor

The doWithSpring closure uses the BeanBuilder syntax (

Authors:
  Graeme Rocher

See Also:
  BeanBuilder

Since:
  0.4

Field Summary
`java.lang.String` | `BEAN_NAME`

Method Summary
`void` | `checkForChanges()` Checks all the plugins to see whether they have any changes
`void` | `doArtefactConfiguration()` Called prior to the initialisation of the GrailsApplication object to allow registration of additional ArtefactHandler objects
`void` | `doDynamicMethods()` Called on all plugins so that they can add new methods/properties/constructors etc.
`void` | `doPostProcessing(org.springframework.context.ApplicationContext applicationContext)` Performs post initialization configuration for each plug-in, passing the built application context
`void` | `doRuntimeConfiguration(RuntimeSpringConfiguration springConfig)` Executes the runtime configuration phase of plug-ins
`void` | `doRuntimeConfiguration(java.lang.String pluginName, RuntimeSpringConfiguration springConfig)` Executes the runtime configuration for a specific plugin AND all its dependencies
`void` | `doWebDescriptor(Resource descriptor, java.io.Writer target)` Takes the specified web descriptor reference and configures it with all the plugins outputting the result to the target Writer instance
`void` | `doWebDescriptor(java.io.File descriptor, java.io.Writer target)` @see #doWebDescriptor(Resource, Writer)
`GrailsPlugin[]` | `getAllPlugins()` Returns an array of all the loaded plug-ins
`GrailsPlugin[]` | `getFailedLoadPlugins()` @return An array of plugins that failed to load due to dependency resolution errors
`GrailsPlugin` | `getFailedPlugin(java.lang.String name)` Retrieves a plug-in that failed to load, or null if it doesn't exist
`GrailsPlugin` | `getGrailsPlugin(java.lang.String name)` Retrieves a name Grails plugin instance
`GrailsPlugin` | `getGrailsPlugin(java.lang.String name, java.lang.Object version)` Retrieves a plug-in for its name and version
`GrailsPlugin` | `getGrailsPluginForClassName(java.lang.String name)` Obtains a GrailsPlugin for the given classname
`GrailsPlugin` | `getPluginForClass(java.lang.Class theClass)` Obtains the GrailsPlugin for the given class
`GrailsPlugin` | `getPluginForInstance(java.lang.Object instance)` Looks up the plugin that defined the given instance.
`java.util.Collection` | `getPluginObservers(GrailsPlugin plugin)` Retrieves a collection of plugins that are observing the specified plugin
`java.lang.String` | `getPluginPath(java.lang.String name)` Returns the pluginContextPath for the given plugin
`java.lang.String` | `getPluginPathForClass(java.lang.Class theClass)` Returns the plugin path for the given class
`java.lang.String` | `getPluginPathForInstance(java.lang.Object instance)` Returns the pluginContextPath for the given instance
`java.lang.String` | `getPluginViewsPathForClass(java.lang.Class theClass)` Returns the plugin views directory path for the given class
`java.lang.String` | `getPluginViewsPathForInstance(java.lang.Object instance)` Returns the plugin views directory for the given instance
`java.util.List` | `getTypeFilters()` Get all of the TypeFilter definitions defined by the plugins
`GrailsPlugin[]` | `getUserPlugins()` Gets plugin installed by the user and not provided by the framework
`boolean` | `hasGrailsPlugin(java.lang.String name)` @param name The name of the plugin
`void` | `informObservers(java.lang.String pluginName, java.util.Map event)` inform the specified plugins observers of the event specified by the passed Map instance
`void` | `informOfClassChange(java.lang.Class aClass)` Method for handling changes to a class and triggering on change events etc.
`void` | `informOfClassChange(java.io.File file, java.lang.Class cls)`
`void` | `informOfFileChange(java.io.File file)` Fire to inform the PluginManager that a particular file changes
`boolean` | `isInitialised()` @return the initialised
`void` | `loadPlugins()` Performs the initial load of plug-ins throwing an exception if any dependencies don't resolve
`void` | `refreshPlugin(java.lang.String name)` Refreshes the specified plugin.
`void` | `registerProvidedArtefacts(GrailsApplication application)` Registers pre-compiled artefacts with the GrailsApplication instance, only overriding if the application doesn't already provide an artefact of the same name.
`void` | `setApplication(GrailsApplication application)` Sets the GrailsApplication used be this plugin manager
`void` | `setLoadCorePlugins(boolean shouldLoadCorePlugins)` Set whether the core plugins should be loaded
`void` | `shutdown()` Shuts down the PluginManager
`boolean` | `supportsCurrentBuildScope(java.lang.String pluginName)` Returns true if the given plugin supports the current BuildScope

Methods inherited from interface org.springframework.web.context.ServletContextAware
org.springframework.web.context.ServletContextAware#setServletContext(javax.servlet.ServletContext)

Methods inherited from interface org.springframework.context.ApplicationContextAware
org.springframework.context.ApplicationContextAware#setApplicationContext(org.springframework.context.ApplicationContext)

Field Detail

### BEAN_NAME

    public java.lang.String BEAN_NAME

Method Detail

### checkForChanges

    public void checkForChanges()

  Checks all the plugins to see whether they have any changes

### doArtefactConfiguration

    public void doArtefactConfiguration()

  Called prior to the initialisation of the GrailsApplication object to allow registration of additional ArtefactHandler objects
  See Also:
    ArtefactHandler

### doDynamicMethods

    public void doDynamicMethods()

  Called on all plugins so that they can add new methods/properties/constructors etc.

### doPostProcessing

    public void doPostProcessing(org.springframework.context.ApplicationContext applicationContext)

  Performs post initialization configuration for each plug-in, passing the built application context
  Parameters:
    `applicationContext` - The ApplicationContext instance

### doRuntimeConfiguration

    public void doRuntimeConfiguration(RuntimeSpringConfiguration springConfig)

  Executes the runtime configuration phase of plug-ins
  Parameters:
    `springConfig` - The RuntimeSpringConfiguration instance

### doRuntimeConfiguration

    public void doRuntimeConfiguration(java.lang.String pluginName, RuntimeSpringConfiguration springConfig)

  Executes the runtime configuration for a specific plugin AND all its dependencies
  Parameters:
    `pluginName` - The name of he plugin
    `springConfig` - The runtime spring config instance

### doWebDescriptor

    public void doWebDescriptor(Resource descriptor, java.io.Writer target)

  Takes the specified web descriptor reference and configures it with all the plugins outputting the result to the target Writer instance
  Parameters:
    `descriptor` - The Resource of the descriptor
    `target` - The Writer to write the result to

### doWebDescriptor

    public void doWebDescriptor(java.io.File descriptor, java.io.Writer target)

  Parameters:
    `descriptor` - The File of the descriptor
    `target` - The target to write the changes to
  See Also:
    doWebDescriptor(Resource, Writer)

### getAllPlugins

    public GrailsPlugin[] getAllPlugins()

  Returns an array of all the loaded plug-ins
  Returns:
    An array of plug-ins

### getFailedLoadPlugins

    public GrailsPlugin[] getFailedLoadPlugins()

  Returns:
    An array of plugins that failed to load due to dependency resolution errors

### getFailedPlugin

    public GrailsPlugin getFailedPlugin(java.lang.String name)

  Retrieves a plug-in that failed to load, or null if it doesn't exist
  Parameters:
    `name` - The name of the plugin
  Returns:
    A GrailsPlugin or null

### getGrailsPlugin

    public GrailsPlugin getGrailsPlugin(java.lang.String name)

  Retrieves a name Grails plugin instance
  Parameters:
    `name` - The name of the plugin
  Returns:
    The GrailsPlugin instance or null if it doesn't exist

### getGrailsPlugin

    public GrailsPlugin getGrailsPlugin(java.lang.String name, java.lang.Object version)

  Retrieves a plug-in for its name and version
  Parameters:
    `name` - The name of the plugin
    `version` - The version of the plugin
  Returns:
    The GrailsPlugin instance or null if it doesn't exist

### getGrailsPluginForClassName

    public GrailsPlugin getGrailsPluginForClassName(java.lang.String name)

  Obtains a GrailsPlugin for the given classname
  Parameters:
    `name` - The name of the plugin
  Returns:
    The instance

### getPluginForClass

    public GrailsPlugin getPluginForClass(java.lang.Class theClass)

  Obtains the GrailsPlugin for the given class
  Parameters:
    `theClass` - The class
  Returns:
    The GrailsPlugin for the given class or null if not related to any plugin

### getPluginForInstance

    public GrailsPlugin getPluginForInstance(java.lang.Object instance)

  Looks up the plugin that defined the given instance. If no plugin defined the instance then null is returned.
  Parameters:
    `instance` - The instance
  Returns:
    The plugin that defined the instance or null

### getPluginObservers

    @SuppressWarnings("rawtypes")
    public java.util.Collection getPluginObservers(GrailsPlugin plugin)

  Retrieves a collection of plugins that are observing the specified plugin
  Parameters:
    `plugin` - The plugin to retrieve observers for
  Returns:
    A collection of observers

### getPluginPath

    public java.lang.String getPluginPath(java.lang.String name)

  Returns the pluginContextPath for the given plugin
  Parameters:
    `name` - The plugin name
  Returns:
    the context path

### getPluginPathForClass

    public java.lang.String getPluginPathForClass(java.lang.Class theClass)

  Returns the plugin path for the given class
  Parameters:
    `theClass` - The class
  Returns:
    The pluginContextPath

### getPluginPathForInstance

    public java.lang.String getPluginPathForInstance(java.lang.Object instance)

  Returns the pluginContextPath for the given instance
  Parameters:
    `instance` - The instance
  Returns:
    The pluginContextPath

### getPluginViewsPathForClass

    public java.lang.String getPluginViewsPathForClass(java.lang.Class theClass)

  Returns the plugin views directory path for the given class
  Parameters:
    `theClass` - The class
  Returns:
    The pluginContextPath

### getPluginViewsPathForInstance

    public java.lang.String getPluginViewsPathForInstance(java.lang.Object instance)

  Returns the plugin views directory for the given instance
  Parameters:
    `instance` - The instance
  Returns:
    The pluginContextPath

### getTypeFilters

    public java.util.List getTypeFilters()

  Get all of the TypeFilter definitions defined by the plugins
  Returns:
    A list of TypeFilter definitions

### getUserPlugins

    public GrailsPlugin[] getUserPlugins()

  Gets plugin installed by the user and not provided by the framework
  Returns:
    A list of user plugins

### hasGrailsPlugin

    public boolean hasGrailsPlugin(java.lang.String name)

  Parameters:
    `name` - The name of the plugin
  Returns:
    true if the the manager has a loaded plugin with the given name

### informObservers

    @SuppressWarnings("rawtypes")
    public void informObservers(java.lang.String pluginName, java.util.Map event)

  inform the specified plugins observers of the event specified by the passed Map instance
  Parameters:
    `pluginName` - The name of the plugin
    `event` - The event

### informOfClassChange

    public void informOfClassChange(java.lang.Class aClass)

  Method for handling changes to a class and triggering on change events etc.
  Parameters:
    `aClass` - The class

### informOfClassChange

    public void informOfClassChange(java.io.File file, @SuppressWarnings("rawtypes") java.lang.Class cls)

### informOfFileChange

    public void informOfFileChange(java.io.File file)

  Fire to inform the PluginManager that a particular file changes
  Parameters:
    `file` - The file that changed
  Since:
    2.0

### isInitialised

    public boolean isInitialised()

  Returns:
    the initialised

### loadPlugins

    public void loadPlugins()

  Performs the initial load of plug-ins throwing an exception if any dependencies don't resolve
  throws:
    PluginException Thrown when an error occurs loading the plugins

### refreshPlugin

    public void refreshPlugin(java.lang.String name)

  Refreshes the specified plugin. A refresh will force to plugin to "touch" each of its watched resources and fire modified events for each
  Parameters:
    `name` - The name of the plugin to refresh

### registerProvidedArtefacts

    public void registerProvidedArtefacts(GrailsApplication application)

  Registers pre-compiled artefacts with the GrailsApplication instance, only overriding if the application doesn't already provide an artefact of the same name.
  Parameters:
    `application` - The GrailsApplication object

### setApplication

    public void setApplication(GrailsApplication application)

  Sets the GrailsApplication used be this plugin manager
  Parameters:
    `application` - The GrailsApplication instance

### setLoadCorePlugins

    public void setLoadCorePlugins(boolean shouldLoadCorePlugins)

  Set whether the core plugins should be loaded
  Parameters:
    `shouldLoadCorePlugins` - True if they should

### shutdown

    public void shutdown()

  Shuts down the PluginManager

### supportsCurrentBuildScope

    public boolean supportsCurrentBuildScope(java.lang.String pluginName)

  Returns true if the given plugin supports the current BuildScope
  Parameters:
    `pluginName` - The name of the plugin
  Returns:
    true if the plugin supports the current build scope
  See Also:
    BuildScope.getCurrent

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