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

package org.xmlsh.internal.commands;

import java.io.OutputStream;
import java.util.List;
import javax.xml.stream.XMLStreamWriter;
import org.xmlsh.core.InputPort;
import org.xmlsh.core.InvalidArgumentException;
import org.xmlsh.core.Options;
import org.xmlsh.core.XCommand;
import org.xmlsh.core.XValue;
import org.xmlsh.core.io.OutputPort;
import org.xmlsh.sh.shell.SerializeOpts;
import javanet.staxutils.ContentHandlerToXMLStreamWriter;
import nu.xom.Builder;
import nu.xom.Document;
import nu.xom.Serializer;
import nu.xom.converters.SAXConverter;
import nu.xom.xinclude.XIncluder;

public class xinclude extends XCommand {

  @Override
  public int run(List<XValue> args) throws Exception {

    Options opts = new Options("xs=xomserialize",
        SerializeOpts.getOptionDefs());
    opts.parse(args);
    args = opts.getRemainingArgs();
    boolean xs = opts.hasOpt("xs");

    InputPort stdin = null;
    if(args.size() > 0)
      stdin = getInput(args.get(0));
    else
      stdin = getStdin();
    if(stdin == null)
      throw new InvalidArgumentException("Cannot open input");

    SerializeOpts sopts = getSerializeOpts(opts);
    Builder builder = new Builder();

    Document input = builder.build(stdin.asInputStream(sopts),
        stdin.getSystemId());
    XIncluder.resolveInPlace(input, builder);

    OutputPort stdout = getStdout();
    OutputStream os = stdout.asOutputStream(sopts);

    // XOM Serialization
    if(xs) {

      Serializer ser = new Serializer(os, sopts.getOutputXmlEncoding());
      ser.write(input);
      os.close();

    }
    else {

      XMLStreamWriter w = stdout.asXMLStreamWriter(sopts);

      ContentHandlerToXMLStreamWriter handler = new ContentHandlerToXMLStreamWriter(
          w);

      SAXConverter sax = new SAXConverter(handler);
      sax.convert(input);

      w.flush();
      w.close();
      stdout.writeSequenceTerminator(sopts);
    }
    return 0;

  }

}

//
//
// 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.
//