commondate.java

生成日期通用类

/*
 * @(#)AdviceProvKYBO.java	1.0 2006-10-08
 *
 * Copyright 2006 GE-SOFT, Inc. All rights reserved.
 * GE-SOFT PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 * 项目名称：ASPSERVICE 
 * 项目描述：“辽宁宽带商务综合服务平台”是基于J2EE三层结构，以MVC为技术框架，以
 * Java技术 * 为开发技术的项目开发平台。采用面向对象和组件化的编程思想形成独立
 * 的平台底层组 * 件，方便用户的二次开发。
 *
 * 制作记录： （日期　制作人　操作　描述）
 * 2006-10-08  lvbo   建立   立项可研上报
 */
package com.common;

import java.text.DateFormatSymbols;
import java.util.Calendar;
import java.util.Date;

import org.jfree.date.SerialDate;

/**
 * 功能说明  
 * @version 1.0, 2006-10-8
 * @author lvbo
 */
public class CommonDate {
	
	/** A working calendar. */
    private static final Calendar CALENDAR = Calendar.getInstance();
    
    /** The default date format symbols. */
    private DateFormatSymbols dateFormatSymbols;

    /** Strings representing the weekdays. */
    private String[] weekdays;

    /** Strings representing the months. */
    private String[] months;

    /**
     * Creates a new utility class for the default locale.
     */
    public CommonDate() {
        this.dateFormatSymbols = new DateFormatSymbols();
        this.weekdays = this.dateFormatSymbols.getWeekdays();
        this.months = this.dateFormatSymbols.getMonths();
    }

    /**
     * Returns an array of strings representing the days-of-the-week.
     *
     * @return an array of strings representing the days-of-the-week.
     */
    public String[] getWeekdays() {
        return this.weekdays;
    }

    /**
     * Returns an array of strings representing the months.
     *
     * @return an array of strings representing the months.
     */
    public String[] getMonths() {
        return this.months;
    }

    /**
     * Converts the specified string to a weekday, using the default locale.
     *
     * @param s  a string representing the day-of-the-week.
     *
     * @return an integer representing the day-of-the-week.
     */
    public int stringToWeekday(final String s) {

        if (s.equals(this.weekdays[Calendar.SATURDAY])) {
            return SerialDate.SATURDAY;
        }
        else if (s.equals(this.weekdays[Calendar.SUNDAY])) {
            return SerialDate.SUNDAY;
        }
        else if (s.equals(this.weekdays[Calendar.MONDAY])) {
            return SerialDate.MONDAY;
        }
        else if (s.equals(this.weekdays[Calendar.TUESDAY])) {
            return SerialDate.TUESDAY;
        }
        else if (s.equals(this.weekdays[Calendar.WEDNESDAY])) {
            return SerialDate.WEDNESDAY;
        }
        else if (s.equals(this.weekdays[Calendar.THURSDAY])) {
            return SerialDate.THURSDAY;
        }
        else {
            return SerialDate.FRIDAY;
        }

    }

    /**
     * Creates a date.
     *
     * @param yyyy  the year.
     * @param month  the month (1 - 12).
     * @param day  the day.
     *
     * @return a date.
     */
    public static synchronized Date createDate(final int yyyy, final int month, final int day) {
        CALENDAR.clear();
        CALENDAR.set(yyyy, month - 1, day);
        return CALENDAR.getTime();
    }

    /**
     * Creates a date.
     *
     * @param yyyy  the year.
     * @param month  the month (1 - 12).
     * @param day  the day.
     * @param hour  the hour.
     * @param min  the minute.
     *
     * @return a date.
     */
    public static synchronized Date createDate(final int yyyy, final int month, final int day, final int hour, final int min) {

        CALENDAR.clear();
        CALENDAR.set(yyyy, month - 1, day, hour, min);
        return CALENDAR.getTime();
    }
	
	/**
	 * @param args
	 */
	public static void main(String[] args) {

	}

}