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List:       xmlbeans-dev
Subject:    [jira] Created: (XMLBEANS-262) Line ending behavior inconsistent
From:       "Raman Gupta (JIRA)" <xmlbeans-dev () xml ! apache ! org>
Date:       2006-04-05 15:45:48
Message-ID: 546781187.1144251948312.JavaMail.jira () ajax
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Line ending behavior inconsistent when using save(OutputStream)
---------------------------------------------------------------

         Key: XMLBEANS-262
         URL: http://issues.apache.org/jira/browse/XMLBEANS-262
     Project: XMLBeans
        Type: Bug

  Components: XmlObject  
    Versions: Version 2.1    
 Environment: Windows, JDK 1.5.0_06
    Reporter: Raman Gupta
    Priority: Minor


When executing an XmlObject.save(OutputStream) call, the output's line endings do not \
conform to any consistent and expected behavior. Even though this should not be a \
problem for any conformant XML processor due to \
http://www.w3.org/TR/REC-xml/#sec-line-ends, this sometimes causes problems with \
other tools or code.

Here is a code snippet to reproduce:

XmlObject  x = XmlObject.Factory.parse("<root>\r\n<test/>\r\n</root>");

OutputStream o = new FileOutputStream("out.xml");
x.save(o);
o.close();

Viewing out.xml in a hex editor will show that the line ending after the XML \
declaration is determined by the System property line.separator (on windows, default \
is \r\n, or 0x0D, 0x0A) but the line endings after all the other elements is always a \
single \n (0x0A), regardless of line.separator and the input XML.  In other words, \
line endings do not match either the line endings provided in the input XML, or the \
platform default value on Windows.

I suppose there are several options for fixing this:

1) The XML declaration continues to use the System property, but for other line \
endings, the input XML's line endings should be respected when output (\r\n on the \
input is converted to \n on the output), OR

2) That the output XML uses the System property and makes all line endings \
consistent.

3) Some combination of the above with new XmlOption's settings.

My preference would be #3 so that the line ending behavior can be controlled by the \
user. For the default, I have no preference except to have some known documented \
behavior.

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