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Java Source Code / Java Documentation » J2EE » spring framework 2.5 » org.springframework.web.util

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.springframework.web.util .HtmlUtils

HtmlUtils

abstract public class HtmlUtils (Code)

Utility class for HTML escaping. Escapes and unescapes based on the W3C HTML 4.01 recommendation, handling character entity references.

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

For a comprehensive set of String escaping utilities, consider Jakarta Commons Lang and its StringEscapeUtils class. We are not using that class here to avoid a runtime dependency on Commons Lang just for HTML escaping. Furthermore, Spring's HTML escaping is more flexible and 100% HTML 4.0 compliant.
author:
   Juergen Hoeller
author:
   Martin Kersten
since:
   01.03.2003
See Also:   org.apache.commons.lang.StringEscapeUtils

Method Summary
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 entity reference (e.g.
public static String	htmlEscapeDecimal(String input) Turn special characters into HTML character references.
public static String	htmlEscapeHex(String input) Turn special characters into HTML character references.
public static String	htmlUnescape(String input) Turn HTML character references into their plain text UNICODE equivalent.

Method Detail

htmlEscape

public static String htmlEscape(String input)(Code)

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

Escapes all special characters to their corresponding entity reference (e.g. <).

Reference: http://www.w3.org/TR/html4/sgml/entities.html
Parameters:
input - the (unescaped) input string the escaped string

htmlEscapeDecimal

public static String htmlEscapeDecimal(String input)(Code)

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

Escapes all special characters to their corresponding numeric reference in decimal format (&#Decimal;).

Reference: http://www.w3.org/TR/html4/sgml/entities.html
Parameters:
input - the (unescaped) input string the escaped string

htmlEscapeHex

public static String htmlEscapeHex(String input)(Code)

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

Escapes all special characters to their corresponding numeric reference in hex format (&#xHex;).

Reference: http://www.w3.org/TR/html4/sgml/entities.html
Parameters:
input - the (unescaped) input string the escaped string

htmlUnescape

public static String htmlUnescape(String input)(Code)

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:

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

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 the unescaped string

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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