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JUnit-specific extension for AssertJ-Swing

There is a newer version: 3.17.1

/*
 * 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.
 *
 * Copyright 2012-2018 the original author or authors.
 */
package org.assertj.swing.junit.xml;

import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;

/**
 * Understands a DOM-based XML document. This class is intended for internal use only. It is just a thin wrapper around
 * a DOM {@link Document}. It only provides the necessary functionality needed by the AssertJ-Swing JUnit
 * extension.
 *
 * @author Alex Ruiz
 */
public class XmlDocument {

  private final Document document;

  /**
   * Creates a new {@link XmlDocument}.
   *
   * @throws ExceptionInInitializerError if the XML document could not be created.
   */
  public XmlDocument() {
    try {
      document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
    } catch (ParserConfigurationException e) {
      throw new ExceptionInInitializerError(e);
    }
  }

  /**
   * Creates and adds a new XML root node.
   *
   * @param name the name of the XML node to create.
   * @return the created root node.
   */
  public XmlNode newRoot(String name) {
    XmlNode root = new XmlNode(document.createElement(name));
    document.appendChild(root.target());
    return root;
  }
}