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Creating XML only printing to one line

Tags:

java

dom

xml

I created some code that writes a map to XML. It appears to be working but the file is printed with no new lines. So in any XML editor its only on one line. How can I have it print to a new line for each child?

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.newDocument();

Element vdata = doc.createElement("vouchdata");
doc.appendChild(vdata);

for (Entry<String, String> entry : vouchMap.entrySet()) {
    Element udata = doc.createElement("vouch");

    Attr vouchee = doc.createAttribute("name");
    vouchee.setValue(entry.getKey());
    udata.setAttributeNode(vouchee);

    Attr voucher = doc.createAttribute("vouchedBy");
    voucher.setValue(entry.getValue());
    udata.setAttributeNode(voucher);

    vdata.appendChild(udata);
}

// write the content into xml file
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
DOMSource source = new DOMSource(doc);
StreamResult result = new StreamResult(new File("vouchdata.xml"));

// Output to console for testing
// StreamResult result = new StreamResult(System.out);

transformer.transform(source, result);
like image 419
meriley Avatar asked Dec 18 '12 02:12

meriley


1 Answers

I use

Transformer tf = TransformerFactory.newInstance().newTransformer();
tf.setOutputProperty(OutputKeys.INDENT, "yes");
tf.setOutputProperty(OutputKeys.METHOD, "xml");
tf.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");

Which seems to work just fine.

like image 109
MadProgrammer Avatar answered Nov 09 '22 12:11

MadProgrammer