package org.apache.turbine.services.intake.model;

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  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 acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache Turbine" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache Turbine", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * 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 APACHE SOFTWARE FOUNDATION 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 Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import java.util.Map;
import java.util.Date;

import java.text.DateFormat;
import java.text.SimpleDateFormat;

import org.apache.turbine.util.Log;
import org.apache.turbine.util.ParameterParser;

import org.apache.turbine.services.intake.xmlmodel.XmlField;

import org.apache.turbine.services.intake.validator.Constraint;

/**
 * Date field class.
 *
 * @author <a href="mailto:ian.lim@ebyssness.com">Ian Lim</a>
 * @version $Id$
 */

public class DateField extends Field {

    DateFormat _dateFormat = null;

    /**
     * Default constructor ?
     */
    public DateField( XmlField field, Group group )
        throws Exception
    {
        super( field, group );

        Map paramMap = field.getRuleMap();

        Constraint constraint = (Constraint)paramMap.get( "format" );
        String dateFormat = constraint.getValue();
        _dateFormat = new SimpleDateFormat( dateFormat );
    }

    /**
     * A suitable validator.
     *
     * @return "DateValidator"
     */
    protected String getDefaultValidator()
    {
        return "org.apache.turbine.services.intake.validator.DateValidator";
    }

    /**
     * converts the parameter to the correct Object.
     */
    protected void doSetValue(ParameterParser pp)
    {
        Log.debug( "\n\n!!! Entering doSetValue in DateField class. !!!" );

        if ( isMultiValued  )
        {
            String[] ss = pp.getStrings( getKey() );
            Date[] ival = new Date[ ss.length ];
            for( int i = 0;i < ss.length; i++ )
            {
                ival[ i ] = pp.getDate( ss[ i ], _dateFormat );
            }
            setTestValue( ival );
        }
        else
        {
            setTestValue( pp.getDate( getKey(), _dateFormat ) );
        }
    }
}