RE: BUG in org.apache.struts.util.ResponseUtils.filter(String val ue) method in v.1.0.2

[Andy Jefferies <aj...@vrisko.com>]

The function of this method is to conveniently ensure that
the text you're writing does not break or invalidate your
HTML/XHTML/XML.

E.g. convert "x <= y" to "x &lt;= y" so that an XML processor
can process it (otherwise it could just throw an error).

However, if you converted 
"two
lines"
to "two <br> lines" or "two <br/> lines" it could break some
folks XML as <br> may not be a valid tag.

You should look elsewhere for HTML specific tools.  I don't
know of any I'm afraid.

Andy.

> -----Original Message-----
> From: Serge A. Redchuk [mailto:s.redchuk@kse.kiev.ua]
> Sent: 21 March 2002 11:44
> To: struts-user@jakarta.apache.org
> Subject: BUG in org.apache.struts.util.ResponseUtils.filter(String
> value) method in v.1.0.2
> 
> 
> Hello all !
> 
> I think there is a bug in BUG in
> org.apache.struts.util.ResponseUtils.filter(String value) 
> method in v.1.0.2
> 
> This useful method states:
> 
>     public static String filter(String value) {
> 
>         if (value == null)
>             return (null);
> 
>         char content[] = new char[value.length()];
>         value.getChars(0, value.length(), content, 0);
>         StringBuffer result = new StringBuffer(content.length + 50);
>         for (int i = 0; i < content.length; i++) {
>             switch (content[i]) {
>             case '<':
>                 result.append("&lt;");
>                 break;
>             case '>':
>                 result.append("&gt;");
>                 break;
>             case '&':
>                 result.append("&amp;");
>                 break;
>             case '"':
>                 result.append("&quot;");
>                 break;
>             default:
>                 result.append(content[i]);
>             }
>         }
>         return (result.toString());
> 
>     }
> 
> All ok, but why this method does not converts '\n' to <br> ?
> 
> 
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