Package org.apache.commons.text.translate

## Class EntityArrays

- java.lang.Object
- - org.apache.commons.text.translate.EntityArrays

-     public class EntityArrays
      extends Object

  Class holding various entity data for HTML and XML - generally for use with the LookupTranslator. All Maps are generated using `java.util.Collections.unmodifiableMap()`.
  Since:
    1.0

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `static Map<CharSequence,​CharSequence>` | `APOS_ESCAPE` | A Map<CharSequence, CharSequence> to escape the apostrophe character to its XML character entity.
    `static Map<CharSequence,​CharSequence>` | `APOS_UNESCAPE` | Reverse of `APOS_ESCAPE` for unescaping purposes.
    `static Map<CharSequence,​CharSequence>` | `BASIC_ESCAPE` | A Map<CharSequence, CharSequence> to escape the basic XML and HTML character entities.
    `static Map<CharSequence,​CharSequence>` | `BASIC_UNESCAPE` | Reverse of `BASIC_ESCAPE` for unescaping purposes.
    `static Map<CharSequence,​CharSequence>` | `HTML40_EXTENDED_ESCAPE` | A Map<CharSequence, CharSequence> to escape additional character entity references.
    `static Map<CharSequence,​CharSequence>` | `HTML40_EXTENDED_UNESCAPE` | Reverse of `HTML40_EXTENDED_ESCAPE` for unescaping purposes.
    `static Map<CharSequence,​CharSequence>` | `ISO8859_1_ESCAPE` | A Map<CharSequence, CharSequence> to to escape ISO-8859-1 characters to their named HTML 3.x equivalents.
    `static Map<CharSequence,​CharSequence>` | `ISO8859_1_UNESCAPE` | Reverse of `ISO8859_1_ESCAPE` for unescaping purposes.
    `static Map<CharSequence,​CharSequence>` | `JAVA_CTRL_CHARS_ESCAPE` | A Map<CharSequence, CharSequence> to escape the Java control characters.
    `static Map<CharSequence,​CharSequence>` | `JAVA_CTRL_CHARS_UNESCAPE` | Reverse of `JAVA_CTRL_CHARS_ESCAPE` for unescaping purposes.

  - ### Constructor Summary

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

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `static Map<CharSequence,​CharSequence>` | `invert​(Map<CharSequence,​CharSequence> map)` | Used to invert an escape Map into an unescape Map.

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

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

- - ### Field Detail

    - #### ISO8859_1_ESCAPE

          public static final Map<CharSequence,​CharSequence> ISO8859_1_ESCAPE

      A Map<CharSequence, CharSequence> to to escape ISO-8859-1 characters to their named HTML 3.x equivalents.

    - #### ISO8859_1_UNESCAPE

          public static final Map<CharSequence,​CharSequence> ISO8859_1_UNESCAPE

      Reverse of `ISO8859_1_ESCAPE` for unescaping purposes.

    - #### HTML40_EXTENDED_ESCAPE

          public static final Map<CharSequence,​CharSequence> HTML40_EXTENDED_ESCAPE

      A Map<CharSequence, CharSequence> to escape additional character entity references. Note that this must be used with `ISO8859_1_ESCAPE` to get the full list of HTML 4.0 character entities.

    - #### HTML40_EXTENDED_UNESCAPE

          public static final Map<CharSequence,​CharSequence> HTML40_EXTENDED_UNESCAPE

      Reverse of `HTML40_EXTENDED_ESCAPE` for unescaping purposes.

    - #### BASIC_ESCAPE

          public static final Map<CharSequence,​CharSequence> BASIC_ESCAPE

      A Map<CharSequence, CharSequence> to escape the basic XML and HTML character entities. Namely: `" & < >`

    - #### BASIC_UNESCAPE

          public static final Map<CharSequence,​CharSequence> BASIC_UNESCAPE

      Reverse of `BASIC_ESCAPE` for unescaping purposes.

    - #### APOS_ESCAPE

          public static final Map<CharSequence,​CharSequence> APOS_ESCAPE

      A Map<CharSequence, CharSequence> to escape the apostrophe character to its XML character entity.

    - #### APOS_UNESCAPE

          public static final Map<CharSequence,​CharSequence> APOS_UNESCAPE

      Reverse of `APOS_ESCAPE` for unescaping purposes.

    - #### JAVA_CTRL_CHARS_ESCAPE

          public static final Map<CharSequence,​CharSequence> JAVA_CTRL_CHARS_ESCAPE

      A Map<CharSequence, CharSequence> to escape the Java control characters. Namely: `\b \n \t \f \r`

    - #### JAVA_CTRL_CHARS_UNESCAPE

          public static final Map<CharSequence,​CharSequence> JAVA_CTRL_CHARS_UNESCAPE

      Reverse of `JAVA_CTRL_CHARS_ESCAPE` for unescaping purposes.

  - ### Constructor Detail

    - #### EntityArrays

          public EntityArrays()

  - ### Method Detail

    - #### invert

          public static Map<CharSequence,​CharSequence> invert​(Map<CharSequence,​CharSequence> map)

      Used to invert an escape Map into an unescape Map.
      Parameters:
        `map` - Map<String, String> to be inverted
      Returns:
        Map<String, String> inverted array