labelvalueconverter.java

我在加拿大学习的一个比较复杂的在线银行程序.

package com.ebusiness.ebank.util;

/**
 * <p>Title: </p>
 * <p>Description: This class converts value to label or label to value from
 *                 a specified OptionLabelValue list</p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

import java.util.List;
import java.util.Iterator;

public class LabelValueConverter
{
    public static String getValue(List list, String label)
    {
        OptionLabelValue olValue;
        for (Iterator i = list.iterator(); i.hasNext();)
        {
            olValue = (OptionLabelValue)i.next();
            if (olValue.getLabel().equals(label))
               return olValue.getValue();
        }
        return "";
    }

    public static String getLabel(List list, String value)
    {
        OptionLabelValue olValue;
        for (Iterator i = list.iterator(); i.hasNext();)
        {
            olValue = (OptionLabelValue)i.next();
            if (olValue.getValue().equals(value))
               return olValue.getLabel();
        }
        return "";
    }
}