Package org.apache.catalina.core

## Class ContextNamingInfoListener

- java.lang.Object
- - org.apache.catalina.core.ContextNamingInfoListener

- All Implemented Interfaces:
    `LifecycleListener`

      public class ContextNamingInfoListener
      extends Object
      implements LifecycleListener

  Implementation of `LifecycleListener` that will create context naming information environment entries.

  This listener must only be nested within `Context` elements.

  The following entries will be added to the initial context (`java:comp/env` implied):

  - Path: `context/path` from `Context.getPath()`
  - Encoded Path: `context/encodedPath` from `Context.getEncodedPath()`
  - Webapp Version: `context/webappVersion` from `Context.getWebappVersion()`
  - Name: `context/name` from `Container.getName()`
  - Base Name: `context/baseName` from `Context.getBaseName()`
  - Display Name: `context/displayName` from `Context.getDisplayName()`

  See the Tomcat documentation for more details on the values.

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `ContextNamingInfoListener()` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `boolean` | `isEmptyOnRoot()` | Gets whether paths and name for the root context will be empty.
    `void` | `lifecycleEvent​(LifecycleEvent event)` | Acknowledge the occurrence of the specified event.
    `void` | `setEmptyOnRoot​(boolean emptyOnRoot)` | Sets whether for the root context `context/path` and `context/encodedPath` will contain `"/"` and `context/name` will contain `"ROOT"` with a version, if any.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### ContextNamingInfoListener

          public ContextNamingInfoListener()

  - ### Method Detail

    - #### setEmptyOnRoot

          public void setEmptyOnRoot​(boolean emptyOnRoot)

      Sets whether for the root context `context/path` and `context/encodedPath` will contain `"/"` and `context/name` will contain `"ROOT"` with a version, if any.
      Parameters:
        `emptyOnRoot` - whether paths and name for root context shall be empty

    - #### isEmptyOnRoot

          public boolean isEmptyOnRoot()

      Gets whether paths and name for the root context will be empty.
      Returns:
        indicator whether paths and name for the root context will be empty

    - #### lifecycleEvent

          public void lifecycleEvent​(LifecycleEvent event)

      Description copied from interface: `LifecycleListener`
      Acknowledge the occurrence of the specified event.
      Specified by:
        `lifecycleEvent` in interface `LifecycleListener`
      Parameters:
        `event` - LifecycleEvent that has occurred