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/*
 * Copyright 2003 Draagon Software LLC. All Rights Reserved.
 *
 * This software is the proprietary information of Draagon Software LLC.
 * Use is subject to license terms.
 */
package com.draagon.util.xml;

import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.w3c.dom.Document;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

/**
 * Meta Class loader for XML files
 */
public class JAXPXMLPlugin implements XMLPlugin
{
  private static Log log = LogFactory.getLog( JAXPXMLPlugin.class );

  public Document loadFromStream( InputStream is )
    throws IOException
  {
    // See if we can even use this builder
    try
    {
      DocumentBuilderFactory dbf =  DocumentBuilderFactory.newInstance();
      dbf.setValidating( false );
      DocumentBuilder db = dbf.newDocumentBuilder();

      return db.parse( is );
    }
    catch( IOException e )
    {
      throw e; //new MetaException( "IO Error parsing Meta XML: " + e.getMessage(), e );
    }
    catch( Exception e )
    {
      log.error( "Unable to load XML inputstream: " + e.getMessage() , e );
      throw new IOException( e.toString() );
    }
  }
}