content: /*
  diffxml and patchxml - diff and patch for XML files
  
  Copyright 2013 Adrian Mouat
  
  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.diffxml.diffxml;
  
  import static junit.framework.Assert.fail;
  
  import java.io.ByteArrayInputStream;
  import java.io.IOException;
  import java.io.UnsupportedEncodingException;
  
  import javax.xml.parsers.DocumentBuilderFactory;
  import javax.xml.parsers.ParserConfigurationException;
  
  import org.diffxml.diffxml.fmes.ParserInitialisationException;
  import org.w3c.dom.Document;
  import org.xml.sax.SAXException;
  
  /**
   * Helper class for XML tests.
   * 
   * @author Adrian Mouat
   *
   */
  public final class TestDocHelper {
  
      /**
       * Private constructor.
       */
      private TestDocHelper() {
          //SHouldn't be called
      }
      
      /**
       * Create an XML Document from a string of XML.
       * 
       * Calls fail if any exception is thrown.
       * 
       * @param xml The XML to turn into a document.
       * @return A DOM document representing the string.
       */
      public static Document createDocument(final String xml) {
          
          Document ret = null;
          DocumentBuilderFactory fac = DocumentBuilderFactory.newInstance();
          DOMOps.initParser(fac);
                  
          try {
              ByteArrayInputStream is = new ByteArrayInputStream(
                      xml.getBytes("utf-8"));
              ret = fac.newDocumentBuilder().parse(is);
          } catch (UnsupportedEncodingException e) {
              fail("No utf-8 encoder!");
          } catch (ParserConfigurationException e) {
              fail("Error configuring parser: " + e.getMessage());
          } catch (IOException e) {
              fail("Caught IOException: " + e.getMessage());
          } catch (SAXException e) {
              fail("Caught SAXexception: " + e.getMessage());
          }
          
          return ret;
  
      }
  }
  