/*
 * Copyright 2011 Jakub Narloch
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package org.exolab.castor.xml;

import java.io.StringWriter;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Document;

/**
 * Tests the {@link Marshaller} class when marshalling the output into {@link DOMResult}.
 *
 * @author <a herf="mailto:jmnarloch AT gmail DOT com">Jakub Narloch</a>
 * @version 1.3.3
 * @since 1.3.3
 */
public class MarshallerDOMSourceTest extends BaseMarshallerTest {

  @Override
  protected String marshal(Marshaller marshaller, Object object) throws Exception {

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();

    Document document = builder.newDocument();

    marshaller.setResult(new DOMResult(document));
    marshaller.marshal(object);

    Transformer transformer = TransformerFactory.newInstance().newTransformer();
    transformer.setOutputProperty(OutputKeys.METHOD, "xml");

    StringWriter writer = new StringWriter();
    transformer.transform(new DOMSource(document), new StreamResult(writer));

    return writer.toString();
  }
}
