001/*
002 * Copyright (c) 2004-2012, Willem Cazander
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification, are permitted provided
006 * that the following conditions are met:
007 * 
008 * * Redistributions of source code must retain the above copyright notice, this list of conditions and the
009 *   following disclaimer.
010 * * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
011 *   the following disclaimer in the documentation and/or other materials provided with the distribution.
012 * 
013 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
014 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
015 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
016 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
017 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
018 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
019 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
020 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
021 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
022 */
023
024package org.x4o.xml.eld.lang;
025
026import org.x4o.xml.element.AbstractElement;
027import org.x4o.xml.element.ElementAttributeHandler;
028import org.x4o.xml.element.ElementException;
029
030/**
031 * NextAttributeElement.<br>
032 * Parses the attributeName and adds it to the ElementClass
033 * 
034 * @author Willem Cazander
035 * @version 1.0 Feb 19, 2007
036 */
037public class NextAttributeElement extends AbstractElement {
038
039        @Override
040        public void doElementRun() throws ElementException {
041                String param = getAttributes().get("attributeName");
042                if (param==null) {
043                        throw new ElementException("attributeName may not be null");
044                }
045                if (getParent()==null) {
046                        throw new ElementException("can't be a root tag");
047                }
048                if (getParent().getElementObject() instanceof ElementAttributeHandler) {
049                        ((ElementAttributeHandler)getParent().getElementObject()).addNextAttribute(param);
050                } else {
051                        throw new ElementException("Wrong parent class");
052                }
053        }
054}