/** Use Staxon to convert JSON to an XML string */
@Override
protected Object doTransform(Object src, String enc) throws TransformerException {
XMLInputFactory inputFactory = new JsonXMLInputFactory();
inputFactory.setProperty(JsonXMLInputFactory.PROP_MULTIPLE_PI, false);
TransformerInputs inputs = new TransformerInputs(this, src);
Source source;
try {
if (inputs.getInputStream() != null) {
source =
new StAXSource(
inputFactory.createXMLStreamReader(
inputs.getInputStream(), enc == null ? "UTF-8" : enc));
} else {
source = new StAXSource(inputFactory.createXMLStreamReader(inputs.getReader()));
}
XMLOutputFactory outputFactory = XMLOutputFactory.newInstance();
return convert(source, outputFactory);
} catch (Exception ex) {
throw new TransformerException(this, ex);
} finally {
IOUtils.closeQuietly(inputs.getInputStream());
IOUtils.closeQuietly(inputs.getReader());
}
}
public Object doTransform(Object src, String encoding) throws TransformerException {
byte[] buf;
if (src instanceof String) {
buf = src.toString().getBytes();
} else if (src instanceof InputStream) {
InputStream input = (InputStream) src;
try {
buf = IOUtils.toByteArray(input);
} finally {
IOUtils.closeQuietly(input);
}
} else {
buf = (byte[]) src;
}
try {
byte[] result = getTransformedBytes(buf);
if (getReturnClass().equals(String.class)) {
if (encoding != null) {
try {
return new String(result, encoding);
} catch (UnsupportedEncodingException ex) {
return new String(result);
}
} else {
return new String(result);
}
} else {
return result;
}
} catch (CryptoFailureException e) {
throw new TransformerException(this, e);
}
}