Java Long Number Create toLong(String time)

Description

Parses given line for formatted time values and saves the result into given variable

License

Apache License

Parameter

Parameter	Description
time	String with formatted time stamp;

Return

parsed time as Long in case of successful parse, -1 otherwise.

Declaration

public static long toLong(String time) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    /**/*w  w w. j a v a  2s  .c  o m*/
     * Parses given line for formatted time values and saves the result into given variable
     * 
     * @param time String with formatted time stamp;
     * @return parsed time as <b>Long</b> in case of successful parse, <i>-1</i> otherwise.
     */
    public static long toLong(String time) {
        return toLong(time, 0);
    }

    /**
     * Parses given line for formatted time values and saves the result into given variable
     * 
     * @param time String with formatted time stamp;
     * @param defaultTime Default time value;
     * @return parsed time as <b>Long</b> in case of successful parse, <i>-1</i> otherwise.
     */
    public static long toLong(String time, long defaultTime) {

        double parsedTime = 0.0;
        long result = 0;
        time = time.trim();
        boolean exc = false;
        try {
            parsedTime = Long.parseLong(time);
            result = Long.parseLong(time);
        } catch (Throwable t1) {
            try {
                String ch = time.substring(time.length() - 1);
                String timeToParse = time.substring(0, time.length() - 1);
                try {
                    parsedTime = Long.parseLong(timeToParse);
                } catch (Throwable t) {
                    parsedTime = Double.parseDouble(timeToParse);
                }
                if (ch.equals("s")) {
                    try {
                        result = (long) (1000.0 * parsedTime);
                    } catch (Throwable t2) {
                        exc = true;
                    }
                } else if (ch.equals("m")) {
                    try {
                        result = (long) (60000.0 * parsedTime);
                    } catch (Throwable t2) {
                        exc = true;
                    }
                } else if (ch.equals("h")) {
                    try {
                        result = (long) (3600000.0 * parsedTime);
                    } catch (Throwable t2) {
                        exc = true;
                    }
                } else if (ch.equals("d")) {
                    try {
                        result = (long) (3600000.0 * 24.0 * parsedTime);
                    } catch (Throwable t2) {
                        exc = true;
                    }
                } else if (ch.equals("w")) {
                    try {
                        result = (long) (3600000.0 * 24.0 * 7.0 * parsedTime);
                    } catch (Throwable t2) {
                        exc = true;
                    }
                } else {
                    //               Report.error(TimeUtil.class, String.format(
                    //                     "Unknown character received while parsing time line. Cannot parse argument '%s' in line '%s'. Time was set to milliseconds", ch,
                    //                     time));
                    return (long) parsedTime;
                }
            } catch (Throwable t2) {
                exc = true;
            }
        }
        if (exc) {
            return defaultTime;
        } else {
            if (result < 0) {
                //            Report.error(TimeUtil.class, String.format("Cannot be negative. Value '%s' was sent instead of '%s'", parsedTime, time));
                //            return (long) parsedTime;
                return defaultTime;
            } else {
                return result;
            }
        }
    }
}

Related

1. toLong(String string)
2. toLong(String string)
3. toLong(String string)
4. toLong(String string)
5. toLong(String strVal)
6. toLong(String tStr)
7. toLong(String v, long def)
8. toLong(String val)
9. toLong(String value)