[jira] [Closed] (LANG-859) StringEscapeUtils.escapeXml doesn't escape chars which are considered invalid according to W3C specification

["Pascal Schumacher (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LANG-859?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pascal Schumacher closed LANG-859.
----------------------------------
       Resolution: Won't Fix
    Fix Version/s:     (was: Patch Needed)

I'm closing this issue as "Won't Fix", because StringEscapeUtils#escapeXml was deprecated almost three years ago and replaced by escapeXml10 and escapeXml11.

> StringEscapeUtils.escapeXml doesn't escape chars which are considered invalid according to W3C specification
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: LANG-859
>                 URL: https://issues.apache.org/jira/browse/LANG-859
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.*
>    Affects Versions: 2.6
>            Reporter: Sergey Bushik
>
> According to specification of XML version 1.0 there are Unicode characters that are not allowed in the content of the XML document http://www.w3.org/TR/xml/#charsets
> StringEscapeUtils.escapeXml(value) should escape such characters as &#x<hex-code>; or &#<dec-code>;
> {code}
> public static void main(String[] args) throws Exception {
>     String xmlValidText = "good";
>     // Passes assertion
>     assertEquals(StringEscapeUtils.escapeXml("good"), "good");
>     
>     char xmlInvalidChar = (char) 0x2;
>     String xmlInvalidText = String.valueOf(xmlInvalidChar);
>     // Fails assertion
>     assertEquals(StringEscapeUtils.escapeXml(xmlInvalidText), "&#x2;");
>     
>     System.out.println("Is valid: " + org.apache.xerces.util.XMLChar.isInvalid(xmlInvalidChar));
>     String xml =
>             "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
>             "<chars>" +
>             "<valid>" + StringEscapeUtils.escapeXml(xmlValidText) + "</valid>" +
>             "<invalid>" + StringEscapeUtils.escapeXml(xmlInvalidText) + "</invalid>" +
>             "</chars>";
>     // An invalid XML character (Unicode: 0x2) was found in the element content of the document
>     Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new ByteArrayInputStream(xml.getBytes("UTF-8")));
>     System.out.println(document);
> }
> {code}



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