Store xml into xml attribute

Question

How can I store a xml document into xml attribute? I have this code but de output give me escape characters, is right left with these escape characters?

public static void main(String[] args) throws TransformerException,
    ParserConfigurationException  {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document doc = builder.newDocument();
        Element organizations = doc.createElement("ORGANIZATIONS");
        doc.appendChild(organizations);
        organizations.setAttribute("xml", "<root><first>01</first><second>02</second></root>");
        DOMSource domSource = new DOMSource(doc);
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer transformer = tf.newTransformer();
        transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty(OutputKeys.ENCODING, "ISO-8859-1");
        StreamResult sr = new StreamResult(new File("test.xml"));

        transformer.transform(domSource, sr);

    }

output:

<ORGANIZATIONS xml="&lt;root&gt;&lt;first&gt;01&lt;/first&gt;&lt;second&gt;02&lt;/second&gt;&lt;/root&gt;"/>

It works. But if you have any control over the XML format, I strongly urge you to avoid this sort of thing. It's unreadable and hardly useful. — RealSkeptic
– RealSkeptic, Commented Jan 12, 2015 at 18:00
@SamIam I was expecting this: <ORGANIZATIONS xml="<root><first>01</first><second>02</second></root>"/> — user2566397
– user2566397, Commented Jan 12, 2015 at 18:05
@user2566397 that can make your xml invalid. It's much better to just unescape the xml when you parse it. — Sam I am says Reinstate Monica
– Sam I am says Reinstate Monica, Commented Jan 12, 2015 at 18:08

Nicola Ferraro · Accepted Answer · 2015-01-12 17:57:06Z

2

This is correct. The xml should be escaped when set on an attribute. If you want to see the plain xml, you have to put it on an element and force the usage of CDATA sections for it:

transformer.setOutputProperty(OutputKeys.CDATA_SECTION_ELEMENTS, "thequalifiednameoftheelement");

CDATA sections cannot be used on attributes... Attributes are not made for being filled with xml documents...

answered Jan 12, 2015 at 17:57

Nicola Ferraro

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