Transform (Apache Log4j 1.2.17 API)
Date: 2012-05-06

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## org.apache.log4j.helpers
Class Transform

    java.lang.Object
      org.apache.log4j.helpers.Transform

    public class Transform

extends Object

Utility class for transforming strings.

Author:
  Ceki Gülcü, Michael A. McAngus

Constructor Summary
`Transform()`

Method Summary
`static void` | `appendEscapingCDATA(StringBuffer buf, String str)` Ensures that embeded CDEnd strings (]]>) are handled properly within message, NDC and throwable tag text.
`static String` | `escapeTags(String input)` This method takes a string which may contain HTML tags (ie, <b>, <table>, etc) and replaces any '<', '>' , '&' or '"' characters with respective predefined entity references.

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

Constructor Detail

### Transform

    public Transform()

Method Detail

### escapeTags

    public static String escapeTags(String input)

  This method takes a string which may contain HTML tags (ie, <b>, <table>, etc) and replaces any '<', '>' , '&' or '"' characters with respective predefined entity references.

  Parameters:
    `input` - The text to be converted.
  Returns:
    The input string with the special characters replaced.

### appendEscapingCDATA

    public static void appendEscapingCDATA(StringBuffer buf,
                                           String str)

  Ensures that embeded CDEnd strings (]]>) are handled properly within message, NDC and throwable tag text.

  Parameters:
    `buf` - StringBuffer holding the XML data to this point. The initial CDStart () of the CDATA section are the responsibility of the calling method.
    `str` - The String that is inserted into an existing CDATA Section within buf.

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