org.mmbase.util.transformers

Class UrlEscaper

java.lang.Object

org.mmbase.util.transformers.ReaderTransformer

org.mmbase.util.transformers.UrlEscaper

All Implemented Interfaces:

Serializable, CharTransformer, Transformer

public class UrlEscaper
extends ReaderTransformer

Escapes and Unescapes undesirable characters using % (URLEncoding) Contrary to java.net.URLEncoder, it does not encode '+'.

Version:

$Id$

Author:

vpro (as org.mmbase.util.URLEscape, still present in SCAN application), Michiel Meeuwissen

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static UrlEscaper	INSTANCE

Constructor Summary

Constructors

Constructor and Description
UrlEscaper()

Method Summary

Modifier and Type	Method and Description
static void	escape(BufferedInputStream r, Writer w)
static void	main(String[] args) Method for testing this class from the command line
Writer	transform(Reader r, Writer w) Escape a url.
Writer	transformBack(Reader reader, Writer writer) Unescape a url.

Methods inherited from class org.mmbase.util.transformers.ReaderTransformer

transform, transform, transformBack, transformBack

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.mmbase.util.transformers.Transformer

toString

Field Detail

INSTANCE

public static final UrlEscaper INSTANCE

Since:

MMBase-1.9.2

Constructor Detail

UrlEscaper

public UrlEscaper()

Method Detail

transform

public Writer transform(Reader r,
                        Writer w)

Escape a url. Replaces 'invalid characters' with their Escaped code, i.e. the questionmark (?) is escaped with %3F.

Specified by:

transform in interface CharTransformer

Specified by:

transform in class ReaderTransformer

escape

public static void escape(BufferedInputStream r,
                          Writer w)

transformBack

public Writer transformBack(Reader reader,
                            Writer writer)

Unescape a url. Replaces escape sequences with the actual character. i.e %3F is replaced with the the question mark (?).

Specified by:

transformBack in interface CharTransformer

Overrides:

transformBack in class ReaderTransformer

Returns:

the unescaped url.

main

public static void main(String[] args)

Method for testing this class from the command line