/*

 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package javax.xml.stream.util;

import javax.xml.stream.XMLEventReader;

import javax.xml.stream.events.XMLEvent;

import javax.xml.stream.XMLStreamException;

/**

 * This is the base class for deriving an XMLEventReader

 * filter.

 *

 * This class is designed to sit between an XMLEventReader and an

 * application's XMLEventReader.  By default each method

 * does nothing but call the corresponding method on the

 * parent interface.

 *

 * @version 1.0

 * @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved.

 * @see javax.xml.stream.XMLEventReader

 * @see StreamReaderDelegate

 * @since 1.6

 */

public class EventReaderDelegate implements XMLEventReader {

  private XMLEventReader reader;

  /**

   * Construct an empty filter with no parent.

   */

  public EventReaderDelegate(){}

  /**

   * Construct an filter with the specified parent.

   * @param reader the parent

   */

  public EventReaderDelegate(XMLEventReader reader) {

    this.reader = reader;

  }

  /**

   * Set the parent of this instance.

   * @param reader the new parent

   */

  public void setParent(XMLEventReader reader) {

    this.reader = reader;

  }

  /**

   * Get the parent of this instance.

   * @return the parent or null if none is set

   */

  public XMLEventReader getParent() {

    return reader;

  }

  public XMLEvent nextEvent()

    throws XMLStreamException

  {

    return reader.nextEvent();

  }

  public Object next() {

    return reader.next();

  }

  public boolean hasNext()

  {

    return reader.hasNext();

  }

  public XMLEvent peek()

    throws XMLStreamException

  {

    return reader.peek();

  }

  public void close()

    throws XMLStreamException

  {

    reader.close();

  }

  public String getElementText()

    throws XMLStreamException

  {

    return reader.getElementText();

  }

  public XMLEvent nextTag()

    throws XMLStreamException

  {

    return reader.nextTag();

  }

  public Object getProperty(java.lang.String name)

    throws java.lang.IllegalArgumentException

  {

    return reader.getProperty(name);

  }

  public void remove() {

    reader.remove();

  }

}