src/main/java/freemarker/ext/beans/DateModel.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package freemarker.ext.beans;

import java.util.Date;

import freemarker.ext.util.ModelFactory;
import freemarker.template.ObjectWrapper;
import freemarker.template.TemplateDateModel;
import freemarker.template.TemplateModel;

/**
 * Wraps arbitrary subclass of {@link java.util.Date} into a reflective model.
 * Beside acting as a {@link TemplateDateModel}, you can call all Java methods
 * on these objects as well.
 */
public class DateModel
extends
    BeanModel
implements
    TemplateDateModel {
    static final ModelFactory FACTORY =
        new ModelFactory()
        {
            public TemplateModel create(Object object, ObjectWrapper wrapper) {
                return new DateModel((Date) object, (BeansWrapper) wrapper);
            }
        };

    private final int type;
    
    /**
     * Creates a new model that wraps the specified date object.
     * @param date the date object to wrap into a model.
     * @param wrapper the {@link BeansWrapper} associated with this model.
     * Every model has to have an associated {@link BeansWrapper} instance. The
     * model gains many attributes from its wrapper, including the caching 
     * behavior, method exposure level, method-over-item shadowing policy etc.
     */
    public DateModel(Date date, BeansWrapper wrapper) {
        super(date, wrapper);
        if (date instanceof java.sql.Date) {
            type = DATE;
        } else if (date instanceof java.sql.Time) {
            type = TIME;
        } else if (date instanceof java.sql.Timestamp) {
            type = DATETIME;
        } else {
            type = wrapper.getDefaultDateType();
        }
    }

    public Date getAsDate() {
        return (Date) object;
    }

    public int getDateType() {
        return type;
    }
}