wicket-examples/src/java/wicket/examples/displaytag/utils/TestList.java

/*
 * $Id$
 * $Revision$
 * $Date$
 *
 * ====================================================================
 * Licensed 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 wicket.examples.displaytag.utils;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Random;

/**
 * Just a utility class for testing out the table and column tags. When this
 * class is created, it loads itself with a number of ListObjects that are shown
 * throughout the various example pages that exercise the table object. If
 * created via the default constructor, this loads itself with 60 ListObjects.
 * 
 * @author epesh (wicket.examples.wicket.examples.displaytag)
 */
public class TestList extends ArrayList implements Serializable
{

    /**
     * Creats a TestList that is filled with 60 ListObjects suitable for
     * testing.
     */
    public TestList()
    {
        super();

        for (int j = 0; j < 60; j++)
        {
            add(new ListObject());
        }
    }

    /**
     * Creates a TestList that is filled with [size] ListObjects suitable for
     * testing.
     * 
     * @param size
     *            int size of the list
     * @param duplicates
     *            boolean put duplicates in the list
     */
    public TestList(int size, boolean duplicates)
    {
        if (duplicates)
        {
            // generate a random number between 1 and 3 and duplicate that many
            // number of times.
            for (int j = 0; j < size; j++)
            {
                ListObject object1 = new ListObject();
                ListObject object2 = new ListObject();
                ListObject object3 = new ListObject();

                int random = new Random().nextInt(3);
                for (int k = 0; k <= random; k++)
                {
                    add(object1);
                }

                object1.setId(object2.getId());

                random = new Random().nextInt(3);
                for (int k = 0; k <= random; k++)
                {
                    add(object1);
                    add(object2);
                }

                object1.setEmail(object3.getEmail());

                random = new java.util.Random().nextInt(3);
                for (int k = 0; k <= random; k++)
                {
                    add(object1);
                }
            }
        } else
        {
            for (int j = 0; j < size; j++)
            {
                add(new ListObject());
            }
        }
    }

    /**
     * Returns a ListObject using get(index) from the Array.
     * 
     * @param index
     *            int index of the List object into the array
     * @return ListObject
     */
    public ListObject getItem(int index)
    {
        return (ListObject) super.get(index);
    }

}