org.springframework.web.util
Class HtmlUtils

java.lang.Object
  org.springframework.web.util.HtmlUtils

public abstract class HtmlUtils

extends Object

Utility class for HTML escaping. Escapes and unescapes based on the W3C HTML 4.01 recommendation.

Reference: http://www.w3.org/TR/html4/charset.html

Since:

01.03.2003

Author:

Chris Wilson, Juergen Hoeller

Constructor Summary

HtmlUtils()

Method Summary

static String	htmlEscape(String input) Turn special characters into HTML character references.
static String	htmlUnescape(String input) Turn HTML character references into their plain text UNICODE equivalent.

Methods inherited from class java.lang.Object

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

Constructor Detail

HtmlUtils

public HtmlUtils()

Method Detail

htmlEscape

public static String htmlEscape(String input)

Turn special characters into HTML character references. Handles complete character set defined in HTML 4.01 recommendation.

Escapes all special characters to their corresponding numerial reference in the decimal format: &#Decimal;

Reference: http://www.w3.org/TR/html4/sgml/entities.html

Parameters:

input - the (unescaped) input string

Returns:

the escaped string

htmlUnescape

public static String htmlUnescape(String input)

Turn HTML character references into their plain text UNICODE equivalent.

Handles complete character set defined in HTML 4.01 recommendation and all reference types (decimal, hex, and entity).

Correctly converts the following formats:

&#Decimal; - (Example: D)
&#xHex; - (Example: å) case insensitive
&#Entity; - (Example: &) case sensitive

Gracefully handles malformed character references by copying original characters as is when encountered.

Reference: http://www.w3.org/TR/html4/sgml/entities.html

Parameters:

input - the (escaped) input string

Returns:

the unescaped string