/*
 * Copyright (c) 2003 The Visigoth Software Society. All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowledgement:
 *       "This product includes software developed by the
 *        Visigoth Software Society (http://www.visigoths.org/)."
 *    Alternately, this acknowledgement may appear in the software itself,
 *    if and wherever such third-party acknowledgements normally appear.
 *
 * 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the 
 *    project contributors may be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact visigoths@visigoths.org.
 *
 * 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
 *    nor may "FreeMarker" or "Visigoth" appear in their names
 *    without prior written permission of the Visigoth Software Society.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE VISIGOTH SOFTWARE SOCIETY OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Visigoth Software Society. For more
 * information on the Visigoth Software Society, please see
 * http://www.visigoths.org/
 */

package freemarker.test.templatesuite.models;

import freemarker.template.TemplateBooleanModel;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;
import freemarker.template.TemplateSequenceModel;

/**
 * Model for testing the impact of isEmpty() on template list models. Every
 * other method simply delegates to a SimpleList model.
 *
 * @author  <a href="mailto:run2000@users.sourceforge.net">Nicholas Cull</a>
 */
public class BooleanList1 implements TemplateSequenceModel {

    private LegacyList  cList;

    /** Creates new BooleanList1 */
    public BooleanList1() {
        cList = new LegacyList();
        cList.add( "false" );
        cList.add( "0" );
        cList.add(TemplateBooleanModel.FALSE);
        cList.add(TemplateBooleanModel.TRUE);
        cList.add(TemplateBooleanModel.TRUE);
        cList.add(TemplateBooleanModel.TRUE);
        cList.add(TemplateBooleanModel.FALSE);
    }

    /**
     * @return true if there is a next element.
     */
    public boolean hasNext() {
        return cList.hasNext();
    }

    /**
     * @return the next element in the list.
     */
    public TemplateModel next() throws TemplateModelException {
        return cList.next();
    }

    /**
     * @return true if the cursor is at the beginning of the list.
     */
    public boolean isRewound() {
        return cList.isRewound();
    }

    /**
     * @return the specified index in the list
     */
    public TemplateModel get(int i) throws TemplateModelException {
        return cList.get(i);
    }

    /**
     * Resets the cursor to the beginning of the list.
     */
    public void rewind() {
        cList.rewind();
    }

    public int size() {
        return cList.size();
    }

}