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POHow can I pretty-print a well-formed invalid XML snippet in java?
 

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  1. POHow can I pretty-print a well-formed invalid XML snippet in java?
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    <p>I've tried</p> <pre><code>SAXParserFactory factory = SAXParserFactory.newInstance(); factory.setNamespaceAware(false); factory.setValidating(false); XMLReader reader = factory.newSAXParser().getXMLReader(); Source xmlInput = new SAXSource(reader, new InputSource(new StringReader(xml))); StringWriter stringWriter = new StringWriter(); xmlPretty = new StreamResult(stringWriter); Transformer transformer = TransformerFactory.newInstance().newTransformer(); transformer.setOutputProperty(OutputKeys.INDENT, "yes"); transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2"); transformer.transform(xmlInput, xmlPretty); return xmlPretty.getWriter().toString(); </code></pre> <p>but as soon as there is an "ignorable space" the indentation stops. I've searched a lot but found nothing about ignorable spaces in sax parsers, except in Handlers. So I've tried to add a handler of mine:</p> <pre><code>class MyHandler extends DefaultHandler { @Override public void ignorableWhitespace(char[] ch, int start, int length) throws SAXException { System.out.println("foo"); } } ... reader.setContentHandler(new MyHandler()); </code></pre> <p>but it never prints "foo".</p> <p>Update: Here is an example of input:</p> <pre><code>&lt;n:a&gt; &lt;b&gt;foo &lt;/b&gt; &lt;/n:a&gt; </code></pre> <p>So well-formed but invalid (n is not defined). I want the function to output something like:</p> <pre><code>&lt;n:a&gt; &lt;b&gt;foo &lt;/b&gt; &lt;/n:a&gt; </code></pre> <p>The program above does output this if I provide it with:</p> <pre><code>&lt;n:a&gt;&lt;b&gt;foo &lt;/b&gt;&lt;/n:a&gt; </code></pre> <p>But not with <code>&lt;n:a&gt; &lt;b&gt;foo &lt;/b&gt; &lt;/n:a&gt;</code>.</p>
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    1. USPaul Brauner
    1. USPaul Brauner
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    1. COShow sample input, output, and desired output.
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      1. USJim Garrison
    2. CODone, hope this helps.
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      1. POHow can I pretty-print a well-formed invalid XML snippet in java?
      1. USPaul Brauner
 

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