Write DOM out
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import java.io.IOException;
import java.io.OutputStream;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.w3c.dom.DocumentType;
/**
* Utility class collecting library methods related to XML processing. Stolen
* from nbbuild/antsrc and openide/.../xml.
*
* @author Petr Kuzel, Jesse Glick
*/
public final class XMLUtil {
public static void write(Document doc, OutputStream out) throws IOException {
// XXX note that this may fail to write out namespaces correctly if the
// document
// is created with namespaces and no explicit prefixes; however no code in
// this package is likely to be doing so
try {
Transformer t = TransformerFactory.newInstance().newTransformer();
DocumentType dt = doc.getDoctype();
if (dt != null) {
String pub = dt.getPublicId();
if (pub != null) {
t.setOutputProperty(OutputKeys.DOCTYPE_PUBLIC, pub);
}
t.setOutputProperty(OutputKeys.DOCTYPE_SYSTEM, dt.getSystemId());
}
t.setOutputProperty(OutputKeys.ENCODING, "UTF-8"); // NOI18N
t.setOutputProperty(OutputKeys.INDENT, "yes"); // NOI18N
t.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4"); // NOI18N
Source source = new DOMSource(doc);
Result result = new StreamResult(out);
t.transform(source, result);
} catch (Exception e) {
throw (IOException) new IOException(e.toString()).initCause(e);
} catch (TransformerFactoryConfigurationError e) {
throw (IOException) new IOException(e.toString()).initCause(e);
}
}
}
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