defaultcalendarservice.java.svn-base

Fire-Workflow-Engine-All-In-One-20090208 包含全部文档

            return 0;
        }

//判断date属于哪个时间段
        SimpleDateFormat dFormat = new SimpleDateFormat(this.businessCalendarProperties.getProperty(hour_format));
        String paramTimeStr = dFormat.format(date);
        StringTokenizer stringTokenizer = new StringTokenizer(businessTime, "&");
        List timeSpanList = new ArrayList();
        while (stringTokenizer.hasMoreTokens()) {
            String timeSpan = stringTokenizer.nextToken();
            int isInTheSpan = testTimeInTheTimeSpan(date, timeSpan);
            if (isInTheSpan == -1) {
                timeSpanList.add(timeSpan);
            } else if (isInTheSpan == 0) {
                String tmp = paramTimeStr + timeSpan.substring(timeSpan.indexOf("-"));
                timeSpanList.add(tmp);
            }

        }

        int totalTime = 0;
        for (int i = 0; i <
                timeSpanList.size(); i++) {
            String timeSpan = (String) timeSpanList.get(i);
            totalTime =
                    totalTime + getTotalWorkingTime(timeSpan);
        }

        return totalTime;
    }

    /**
     * 检查时间点是否在给定的区间内
     * @param timeStr
     * @param timeSpan
     * @return 0-在给定的区间内，-1在给定的区间前，1在给定的区间后
     */
    private int testTimeInTheTimeSpan(Date d, String timeSpan) {
        SimpleDateFormat dFormat = new SimpleDateFormat(this.businessCalendarProperties.getProperty(day_format));
        String dayStr = dFormat.format(d);
        dFormat.applyPattern(this.businessCalendarProperties.getProperty(day_format) + " " + this.businessCalendarProperties.getProperty(hour_format));
        int idx = timeSpan.indexOf("-");
        String date1Str = dayStr + " " + timeSpan.substring(0, idx);
        String date2Str = dayStr + " " + timeSpan.substring(idx + 1);
        Date date1 = null;
        Date date2 = null;
        try {
            date2 = dFormat.parse(date2Str);
        } catch (ParseException ex) {
            Logger.getLogger(DefaultCalendarService.class.getName()).log(Level.SEVERE, null, ex);
        }
        try {
            date1 = dFormat.parse(date1Str);
        } catch (ParseException ex) {
            Logger.getLogger(DefaultCalendarService.class.getName()).log(Level.SEVERE, null, ex);
        }
        if (d.before(date1)) {
            return -1;
        } else if (d.after(date2)) {
            return 1;
        }

        return 0;
    }

    private String getBusinessTime(Date date) {
        String businessTime = this.businessCalendarProperties.getProperty(business_time);
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        String businessTime2 = null;
        int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
        switch (dayOfWeek) {
            case 1:
                businessTime2 = this.businessCalendarProperties.getProperty(business_time_sunday);//周日
                break;

            case 2:
                businessTime2 = this.businessCalendarProperties.getProperty(business_time_monday);//周1
                break;

            case 3:
                businessTime2 = this.businessCalendarProperties.getProperty(business_time_tuesday);//周2
                break;

            case 4:
                businessTime2 = this.businessCalendarProperties.getProperty(business_time_wednesday);//周3
                break;

            case 5:
                businessTime2 = this.businessCalendarProperties.getProperty(business_time_thursday);//周4
                break;

            case 6:
                businessTime2 = this.businessCalendarProperties.getProperty(business_time_friday);//周5
                break;

            case 7:
                businessTime2 = this.businessCalendarProperties.getProperty(business_time_saturday);//周六
                break;

        }


        if (businessTime2 != null) {
            businessTime = businessTime2;
        }

        return businessTime;
    }

    /**
     * 获得时间段的工作时间，以毫秒表示
     * @param timeSpan 例如:8:30-12:00
     * @return
     */
    private int getTotalWorkingTime(String timeSpan) {
        if (timeSpan == null) {
            return 0;
        }

        StringTokenizer stringTokenizer = new StringTokenizer(timeSpan, "-");
        String dStr1 = null;
        String dStr2 = null;
        if (stringTokenizer.hasMoreTokens()) {
            dStr1 = stringTokenizer.nextToken();
        }

        if (stringTokenizer.hasMoreTokens()) {
            dStr2 = stringTokenizer.nextToken();
        }

        if (dStr1 == null || dStr2 == null) {
            return 0;
        }

        SimpleDateFormat dFormat = new SimpleDateFormat(this.businessCalendarProperties.getProperty(hour_format));
        Date d1 = null;
        try {
            d1 = dFormat.parse(dStr1);
        } catch (ParseException ex) {
            Logger.getLogger(DefaultCalendarService.class.getName()).log(Level.SEVERE, null, ex);
        }
        Date d2 = null;
        try {
            d2 = dFormat.parse(dStr2);
        } catch (ParseException ex) {
            Logger.getLogger(DefaultCalendarService.class.getName()).log(Level.SEVERE, null, ex);
        }

        if (d1 == null || d2 == null) {
            return 0;
        }

        return (int) (d2.getTime() - d1.getTime());

    }
//    private int getDurationInMilliseconds
    /**
     * 缺省实现，周六周日都是非工作日，其他的都为工作日。
     * 实际应用中，可以在数据库中建立一张非工作日表，将周末以及法定节假日录入其中，
     * 然后在该方法中读该表的数据来判断工作日和非工作日。
     * @param d
     * @return
     */
    public boolean isBusinessDay(Date d) {
        if (d == null) {
            return false;
        }

        Calendar cal = Calendar.getInstance();
        cal.setTime(d);
        int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
        if (dayOfWeek == 1 || dayOfWeek == 7) {
            return false;
        }

        return true;
    }

    public Properties getBusinessCalendarProperties() {
        return businessCalendarProperties;
    }

    /**
     * 在外部定义的属性被合并到缺省定义中，这样的话外部之需要修改部分属性即可。
     * @param props
     */
    public void setBusinessCalendarProperties(Properties props) {
        this.businessCalendarProperties.putAll(props);
    }
    
    public Date getSysDate() {
        return new Date();
    }

    public void setRuntimeContext(RuntimeContext ctx) {
        this.rtCtx = ctx;
    }
    
    public RuntimeContext getRuntimeContext(){
        return this.rtCtx;
    }    
}