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Liferay Portal Template FreeMarker

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/*
 * 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 freemarker.ext.util.ModelFactory;
import freemarker.template.ObjectWrapper;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateNumberModel;

/**
 * Wraps arbitrary subclass of {@link java.lang.Number} into a reflective model.
 * Beside acting as a {@link TemplateNumberModel}, you can call all Java methods on
 * these objects as well.
 */
public class NumberModel
extends
    BeanModel
implements
    TemplateNumberModel {
    static final ModelFactory FACTORY =
        new ModelFactory()
        {
            @Override
            public TemplateModel create(Object object, ObjectWrapper wrapper) {
                return new NumberModel((Number) object, (BeansWrapper) wrapper);
            }
        };
    /**
     * Creates a new model that wraps the specified number object.
     * @param number the number 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 NumberModel(Number number, BeansWrapper wrapper) {
        super(number, wrapper);
    }

    @Override
    public Number getAsNumber() {
        return (Number) object;
    }
}