/**
 * $Id: $
 * $Date: $
 *
 */

package org.xmlsh.sh.shell;

import java.net.URI;
import java.net.URL;
import java.util.Arrays;
import javax.xml.transform.stream.StreamSource;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.xmlsh.util.Util;
import net.sf.saxon.lib.ModuleURIResolver;
import net.sf.saxon.trans.XPathException;

public class ShellModuleURIResolver implements ModuleURIResolver {
  private Shell mShell = null;
  private Logger mLogger = LogManager.getLogger();

  public ShellModuleURIResolver(Shell shell) {
    mShell = shell;
  }

  @Override
  public StreamSource[] resolve(String moduleURI, String baseURI,
      String[] locations)
      throws XPathException {

    mLogger.debug("Resolve URI: " + moduleURI + " " + baseURI + " "
        + Util.stringJoin(Arrays.asList(locations), "|"));

    if(moduleURI.equals("http://www.functx.com")) {

      URL url = mShell
          .getResource("/org/xmlsh/resources/modules/functx.xquery");
      if(url == null)
        return null;

      try {
        URI uri = url.toURI();

        StreamSource[] result = new StreamSource[1];
        result[0] = new StreamSource(url.openStream(), uri.toString());
        return result;

      } catch (Exception e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
      }

    }

    return null;
  }

}

//
//
// Copyright (C) 2008-2014 David A. Lee.
//
// The contents of this file are subject to the "Simplified BSD License" (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.opensource.org/licenses/bsd-license.php
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is David A. Lee
//
// Portions created by (your name) are Copyright (C) (your legal entity). All
// Rights Reserved.
//
// Contributor(s): none.
//