## org.apache.xml.utils
Class XMLCharacterRecognizer

    java.lang.Object
      org.apache.xml.utils.XMLCharacterRecognizer

    public class XMLCharacterRecognizer

extends java.lang.Object

Class used to verify whether the specified ch conforms to the XML 1.0 definition of whitespace.

Usage:
  **For internal use only**

Constructor Summary
`XMLCharacterRecognizer()`

Method Summary
`static boolean` `isWhiteSpace(char ch)` Returns whether the specified ch conforms to the XML 1.0 definition of whitespace.
`static boolean` `isWhiteSpace(char[] ch, int start, int length)` Tell if the string is whitespace.
`static boolean` `isWhiteSpace(java.lang.String s)` Tell if the string is whitespace.
`static boolean` `isWhiteSpace(java.lang.StringBuffer buf)` Tell if the string is whitespace.

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### XMLCharacterRecognizer

    public XMLCharacterRecognizer()

Method Detail

### isWhiteSpace

    public static boolean isWhiteSpace(char ch)

  Returns whether the specified ch conforms to the XML 1.0 definition of whitespace. Refer to the definition of `S` for details.

  Parameters:
    `ch` - Character to check as XML whitespace.
  Returns:
    =true if ch is XML whitespace; otherwise =false.

### isWhiteSpace

    public static boolean isWhiteSpace(char[] ch,
                                       int start,
                                       int length)

  Tell if the string is whitespace.

  Parameters:
    `ch` - Character array to check as XML whitespace.
    `start` - Start index of characters in the array
    `length` - Number of characters in the array
  Returns:
    True if the characters in the array are XML whitespace; otherwise, false.

### isWhiteSpace

    public static boolean isWhiteSpace(java.lang.StringBuffer buf)

  Tell if the string is whitespace.

  Parameters:
    `buf` - StringBuffer to check as XML whitespace.
  Returns:
    True if characters in buffer are XML whitespace, false otherwise

### isWhiteSpace

    public static boolean isWhiteSpace(java.lang.String s)

  Tell if the string is whitespace.

  Parameters:
    `s` - String to check as XML whitespace.
  Returns:
    True if characters in buffer are XML whitespace, false otherwise

Copyright © 2005 Apache XML Project. All Rights Reserved.