listobject.java

一个比较不错的java分页标签,有源代码,开发者 可以学习学习

/**
 * Licensed under the Artistic License; you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://displaytag.sourceforge.net/license.html
 *
 * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
package org.displaytag.sample;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Random;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;


/**
 * Just a test class that returns columns of data that are useful for testing out the ListTag class and ListColumn
 * class.
 * @author epesh
 * @author Fabrizio Giustina
 * @version $Revision$ ($Author$)
 */
public class ListObject
{

    /**
     * random number generator.
     */
    private static Random random = new Random();

    /**
     * id.
     */
    private int id = -1;

    /**
     * name.
     */
    private String name;

    /**
     * email.
     */
    private String email;

    /**
     * date.
     */
    private Date date;

    /**
     * money.
     */
    private double money;

    /**
     * description.
     */
    private String description;

    /**
     * long description.
     */
    private String longDescription;

    /**
     * status.
     */
    private String status;

    /**
     * url.
     */
    private String url;

    /**
     * sub list used to test nested tables.
     */
    private List subList;

    /**
     * Constructor for ListObject.
     */
    public ListObject()
    {
        this.id = random.nextInt(99998) + 1;
        this.money = (random.nextInt(999998) + 1) / 100;

        String firstName = RandomSampleUtil.getRandomWord();
        String lastName = RandomSampleUtil.getRandomWord();

        this.name = StringUtils.capitalize(firstName) + ' ' + StringUtils.capitalize(lastName);

        this.email = firstName + '-' + lastName + '@' + RandomSampleUtil.getRandomWord() + ".com"; //$NON-NLS-1$

        this.date = RandomSampleUtil.getRandomDate();

        this.description = RandomSampleUtil.getRandomWord() + ' ' //
            + RandomSampleUtil.getRandomWord() + "..."; //$NON-NLS-1$

        this.longDescription = RandomSampleUtil.getRandomSentence(10);

        this.status = RandomSampleUtil.getRandomWord().toUpperCase();

        // added sublist for testing of nested tables
        this.subList = new ArrayList();
        this.subList.add(new SubListItem());
        this.subList.add(new SubListItem());
        this.subList.add(new SubListItem());

        this.url = "http://www." + lastName + ".org/"; //$NON-NLS-1$ //$NON-NLS-2$
    }

    /**
     * getter for id.
     * @return int id
     */
    public int getId()
    {
        return this.id;
    }

    /**
     * setter for id.
     * @param value int id
     */
    public void setId(int value)
    {
        this.id = value;
    }

    /**
     * getter for name.
     * @return String name
     */
    public String getName()
    {
        return this.name;
    }

    /**
     * getter for email.
     * @return String email
     */
    public String getEmail()
    {
        return this.email;
    }

    /**
     * setter for email.
     * @param value String email
     */
    public void setEmail(String value)
    {
        this.email = value;
    }

    /**
     * getter for date.
     * @return Date
     */
    public Date getDate()
    {
        return (Date) this.date.clone();
    }

    /**
     * getter for money.
     * @return double money
     */
    public double getMoney()
    {
        return this.money;
    }

    /**
     * getter for description.
     * @return String description
     */
    public String getDescription()
    {
        return this.description;
    }

    /**
     * getter for long description.
     * @return String long description
     */
    public String getLongDescription()
    {
        return this.longDescription;
    }

    /**
     * getter for status.
     * @return String status
     */
    public String getStatus()
    {
        return this.status;
    }

    /**
     * getter for url.
     * @return String url
     */
    public String getUrl()
    {
        return this.url;
    }

    /**
     * test for null values.
     * @return null
     */
    public String getNullValue()
    {
        return null;
    }

    /**
     * Returns a simple string representation of the object.
     * @return String simple representation of the object
     */
    public String toString()
    {
        return "ListObject(" + this.id + ")"; //$NON-NLS-1$ //$NON-NLS-2$
    }

    /**
     * Returns a detailed string representation of the object.
     * @return String detailed representation of the object
     */
    public String toDetailedString()
    {
        return "ID:          " //$NON-NLS-1$
            + this.id + "\n" //$NON-NLS-1$
            + "Name:        " //$NON-NLS-1$
            + this.name + "\n" //$NON-NLS-1$
            + "Email:       " //$NON-NLS-1$
            + this.email + "\n" //$NON-NLS-1$
            + "Date:        " //$NON-NLS-1$
            + this.date + "\n" //$NON-NLS-1$
            + "Money:       " //$NON-NLS-1$
            + this.money + "\n" //$NON-NLS-1$
            + "Description: " //$NON-NLS-1$
            + this.description + "\n" //$NON-NLS-1$
            + "Status:      " //$NON-NLS-1$
            + this.status + "\n" //$NON-NLS-1$
            + "URL:         " //$NON-NLS-1$
            + this.url + "\n"; //$NON-NLS-1$
    }

    /**
     * Returns the subList.
     * @return List
     */
    public List getSubList()
    {
        return this.subList;
    }

    /**
     * Inner class used in testing nested tables.
     * @author Fabrizio Giustina
     */
    public static class SubListItem
    {

        /**
         * name.
         */
        private String itemName;

        /**
         * email.
         */
        private String itemEmail;

        /**
         * Constructor for SubListItem.
         */
        public SubListItem()
        {
            this.itemName = RandomSampleUtil.getRandomWord();
            this.itemEmail = RandomSampleUtil.getRandomEmail();
        }

        /**
         * getter for name.
         * @return String name
         */
        public String getName()
        {
            return this.itemName;
        }

        /**
         * getter for email.
         * @return String
         */
        public String getEmail()
        {
            return this.itemEmail;
        }

        /**
         * @see java.lang.Object#toString()
         */
        public String toString()
        {
            return new ToStringBuilder(this, ToStringStyle.SIMPLE_STYLE) // 
                .append("name", this.itemName) //$NON-NLS-1$
                .append("email", this.itemEmail) //$NON-NLS-1$
                .toString();
        }
    }

}