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## org.apache.turbine.services.pull
Interface ApplicationTool

All Known Implementing Classes:
  ContentTool, DateFormatter, HtmlPageAttributes, IntakeTool, LocalizationTool, OMTool, SchedulerTool, SessionData, SessionTool, TemplateLink, UITool

    public interface ApplicationTool

Tools that go into the Toolbox should implement this interface.

Version:
  $Id: ApplicationTool.java 615328 2008-01-25 20:25:05Z tv $
Author:
  Jason van Zyl

Method Summary
`void` | `init(Object data)` Initialize the application tool.
`void` | `refresh()` Refresh the application tool.

Method Detail

### init

    void init(Object data)

  Initialize the application tool. The data parameter holds a different type depending on how the tool is being instantiated:
  - For global tools data will be null
  - For request tools data will be of type RunData
  - For session and authorized tools data will be of type User

  It is possible that session scope tools will be initialized with a null `User` object. This happens when the first request on a session happens to the be login action.

  If your session tool depends on having a `User` object, you should look at implementing the `RunDataApplicationTool` interface instead.

  Parameters:
    `data` - initialization data

### refresh

    void refresh()

  Refresh the application tool. This is necessary for development work where you probably want the tool to refresh itself if it is using configuration information that is typically cached after initialization

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