org.apache.xerces.util

## Class AugmentationsImpl

- java.lang.Object
- - org.apache.xerces.util.AugmentationsImpl

- All Implemented Interfaces:
    org.apache.xerces.xni.Augmentations

      public class AugmentationsImpl
      extends java.lang.Object
      implements org.apache.xerces.xni.Augmentations

  This class provides an implementation for Augmentations interface. Augmentations interface defines a hashtable of additional data that could be passed along the document pipeline. The information can contain extra arguments or infoset augmentations, for example PSVI. This additional information is identified by a String key.

  Version:
    $Id: AugmentationsImpl.java 883493 2009-11-23 20:39:18Z knoaman $
  Author:
    Elena Litani, IBM

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `AugmentationsImpl()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `java.lang.Object` | `getItem(java.lang.String key)` Get information identified by a key from the Augmentations structure
    `java.util.Enumeration` | `keys()` Returns an enumeration of the keys in the Augmentations structure
    `java.lang.Object` | `putItem(java.lang.String key, java.lang.Object item)` Add additional information identified by a key to the Augmentations structure.
    `void` | `removeAllItems()` Remove all objects from the Augmentations structure.
    `java.lang.Object` | `removeItem(java.lang.String key)` Remove additional info from the Augmentations structure
    `java.lang.String` | `toString()`

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

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

- - ### Constructor Detail

    - #### AugmentationsImpl

          public AugmentationsImpl()

  - ### Method Detail

    - #### putItem

          public java.lang.Object putItem(java.lang.String key,
                                 java.lang.Object item)

      Add additional information identified by a key to the Augmentations structure.
      Specified by:
        `putItem` in interface `org.apache.xerces.xni.Augmentations`
      Parameters:
        `key` - Identifier, can't be `null`
        `item` - Additional information
      Returns:
        the previous value of the specified key in the Augmentations strucutre, or `null` if it did not have one.

    - #### getItem

          public java.lang.Object getItem(java.lang.String key)

      Get information identified by a key from the Augmentations structure
      Specified by:
        `getItem` in interface `org.apache.xerces.xni.Augmentations`
      Parameters:
        `key` - Identifier, can't be `null`
      Returns:
        the value to which the key is mapped in the Augmentations structure; `null` if the key is not mapped to any value.

    - #### removeItem

          public java.lang.Object removeItem(java.lang.String key)

      Remove additional info from the Augmentations structure
      Specified by:
        `removeItem` in interface `org.apache.xerces.xni.Augmentations`
      Parameters:
        `key` - Identifier, can't be `null`
      Returns:
        the previous value of the specified key in the Augmentations structure, or `null` if it did not have one.

    - #### keys

          public java.util.Enumeration keys()

      Returns an enumeration of the keys in the Augmentations structure
      Specified by:
        `keys` in interface `org.apache.xerces.xni.Augmentations`

    - #### removeAllItems

          public void removeAllItems()

      Remove all objects from the Augmentations structure.
      Specified by:
        `removeAllItems` in interface `org.apache.xerces.xni.Augmentations`

    - #### toString

          public java.lang.String toString()

      Overrides:
        `toString` in class `java.lang.Object`

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