package com.atlassian.plugin.validation;
   
   import com.google.common.io.Closeables;
   import com.google.common.io.InputSupplier;
   import org.dom4j.Document;
   import org.dom4j.DocumentException;
   import org.dom4j.io.SAXReader;
   
   import java.io.IOException;
  import java.io.Reader;
  
  
  /**
   * @since 3.0.0
   */
  abstract class Dom4jUtils
  {
      private Dom4jUtils()
      {
      }
  
      public static Document readDocument(InputSupplier<? extends Reader> input)
      {
          Reader reader = null;
          try
          {
              reader = input.getInput();
              return readDocument(reader);
          }
          catch (DocumentException e)
          {
              throw new RuntimeException(e);
          }
          catch (IOException e)
          {
              throw new RuntimeException(e);
          }
          finally
          {
              Closeables.closeQuietly(reader);
          }
      }
  
      private static Document readDocument(Reader reader) throws DocumentException
      {
          return getSaxReader().read(reader);
      }
  
      private static SAXReader getSaxReader()
      {
          final SAXReader reader = new SAXReader();
          reader.setMergeAdjacentText(true);
          return reader;
      }
  }