org.apache.wicket.model.util.ListModel.java Source code

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Here is the source code for org.apache.wicket.model.util.ListModel.java

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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 org.apache.wicket.model.util;

import java.util.ArrayList;
import java.util.List;

/**
 * Based on <code>Model</code> but for lists of serializable objects.
 * 
 * @author Timo Rantalaiho
 * @param <T>
 *            type of object inside list
 */
public class ListModel<T> extends GenericBaseModel<List<T>> {
    private static final long serialVersionUID = 1L;

    /**
     * Creates empty model
     */
    public ListModel() {
    }

    /**
     * Creates model that will contain <code>list</code>
     * 
     * @param list
     */
    public ListModel(List<T> list) {
        setObject(list);
    }

    @Override
    protected List<T> createSerializableVersionOf(List<T> object) {
        if (object == null) {
            return null;
        } else {
            return new ArrayList<>(object);
        }
    }
}