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## org.apache.struts.tiles
Interface DefinitionsFactory

All Superinterfaces:
  Serializable

All Known Implementing Classes:
  ComponentDefinitionsFactoryWrapper

    public interface DefinitionsFactory

extends Serializable

Tiles Definition factory. This interface replace old ComponentDefinitionsFactory. Main method getDefinition() is exactly the same. Initialization method change. This interface allows to retrieve a definition by its name, independently of the factory implementation. Object life cycle is as follow:

- Constructor: create object
- setConfig: set config and initialize factory. After first call to this method, factory is operational.
- destroy: factory is being shutdown.

Implementation must be Serializable, in order to be compliant with web Container having this constraint (Weblogic 6.x).

Method Summary
`void` | `destroy()` Receive notification that the factory is being shut down.
`DefinitionsFactoryConfig` | `getConfig()` Get factory configuration.
`ComponentDefinition` | `getDefinition(String name, ServletRequest request, ServletContext servletContext)` Get a definition by its name.
`void` | `init(DefinitionsFactoryConfig config, ServletContext servletContext)` Init definition factory.
`void` | `setConfig(DefinitionsFactoryConfig config, ServletContext servletContext)` Set factory configuration.

Method Detail

### getDefinition

    ComponentDefinition getDefinition(String name,
                                      ServletRequest request,
                                      ServletContext servletContext)
                                      throws NoSuchDefinitionException,
                                             DefinitionsFactoryException

  Get a definition by its name.

  Parameters:
    `name` - Name of requested definition.
    `request` - Current servelet request
    `servletContext` - current servlet context
  Throws:
    `DefinitionsFactoryException` - An error occur while getting definition.
    `NoSuchDefinitionException` - No definition found for specified name Implementation can throw more accurate exception as a subclass of this exception

### init

    void init(DefinitionsFactoryConfig config,
              ServletContext servletContext)
              throws DefinitionsFactoryException

  Init definition factory. This method is called immediately after factory creation, and prior any call to setConfig().

  Parameters:
    `config` - Configuration object used to set factory configuration.
    `servletContext` - Servlet Context passed to factory.
  Throws:
    `DefinitionsFactoryException` - An error occur during initialization.

### destroy

    void destroy()

  Receive notification that the factory is being shut down.

### setConfig

    void setConfig(DefinitionsFactoryConfig config,
                   ServletContext servletContext)
                   throws DefinitionsFactoryException

  Set factory configuration. This method is used to change factory configuration. This method is optional, and can send an exception if implementation doesn't allow change in configuration.

  Parameters:
    `config` - Configuration object used to set factory configuration.
    `servletContext` - Servlet Context passed to factory.
  Throws:
    `DefinitionsFactoryException` - An error occur during initialization.

### getConfig

    DefinitionsFactoryConfig getConfig()

  Get factory configuration.

  Returns:
    TilesConfig

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