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/* StartDocumentImpl.java --

   Copyright (C) 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 2, or (at your option)

any later version.

GNU Classpath is distributed in the hope that it will be useful, but

WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

General Public License for more details.

You should have received a copy of the GNU General Public License

along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

combination.

As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

modules, and to copy and distribute the resulting executable under

terms of your choice, provided that you also meet, for each linked

independent module, the terms and conditions of the license of that

module.  An independent module is a module which is not derived from

or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

obligated to do so.  If you do not wish to do so, delete this

exception statement from your version. */

package gnu.xml.stream;

import java.io.IOException;

import java.io.Writer;

import javax.xml.stream.Location;

import javax.xml.stream.XMLStreamException;

import javax.xml.stream.events.StartDocument;

/**

 * A start-document event.

 *

 * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>

 */

public class StartDocumentImpl

  extends XMLEventImpl

  implements StartDocument

{

  protected final String systemId;

  protected final String encoding;

  protected final String xmlVersion;

  protected final boolean xmlStandalone;

  protected final boolean standaloneDeclared;

  protected final boolean encodingDeclared;

  protected StartDocumentImpl(Location location,

                              String systemId, String encoding,

                              String xmlVersion, boolean xmlStandalone,

                              boolean standaloneDeclared,

                              boolean encodingDeclared)

  {

    super(location);

    this.systemId = systemId;

    this.encoding = encoding;

    this.xmlVersion = xmlVersion;

    this.xmlStandalone = xmlStandalone;

    this.standaloneDeclared = standaloneDeclared;

    this.encodingDeclared = encodingDeclared;

  }

  public int getEventType()

  {

    return START_DOCUMENT;

  }

  public String getSystemId()

  {

    return systemId;

  }

  public String getCharacterEncodingScheme()

  {

    return encoding;

  }

  public boolean encodingSet()

  {

    return encodingDeclared;

  }

  public boolean isStandalone()

  {

    return xmlStandalone;

  }

  public boolean standaloneSet()

  {

    return standaloneDeclared;

  }

  public String getVersion()

  {

    return xmlVersion;

  }

  public void writeAsEncodedUnicode(Writer writer)

    throws XMLStreamException

  {

    try

      {

        writer.write("<?xml version='");

        writer.write(xmlVersion);

        writer.write('\'');

        if (standaloneDeclared)

          {

            writer.write(" standalone='");

            writer.write(xmlStandalone ? "yes" : "no");

            writer.write('\'');

          }

        if (encodingDeclared)

          {

            writer.write(" encoding='");

            writer.write(encoding);

            writer.write('\'');

          }

        writer.write("?>");

      }

    catch (IOException e)

      {

        XMLStreamException e2 = new XMLStreamException(e.getMessage());

        e2.initCause(e);

        throw e2;

      }

  }

}