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

package org.xmlsh.internal.commands;

import java.util.List;
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.IXdmItemInputStream;
import org.xmlsh.core.io.IXdmItemOutputStream;
import org.xmlsh.core.io.OutputPort;
import org.xmlsh.sh.shell.SerializeOpts;
import net.sf.saxon.s9api.XdmItem;

public class xidentity extends XCommand {

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

    Options opts = new Options(SerializeOpts.getOptionDefs());
    opts.parse(args);
    args = opts.getRemainingArgs();

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

    setSerializeOpts(opts);

    IXdmItemInputStream input = stdin.asXdmItemInputStream(getSerializeOpts());

    IXdmItemOutputStream output = stdout
        .asXdmItemOutputStream(getSerializeOpts());

    XdmItem item;

    while((item = input.read()) != null)
      output.write(item);

    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.
//