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From "Shameera Rathnayaka (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (AXIS2-5458) ConverterTool date conversion without timezone returns Date with day before before 1901
Date Wed, 17 Apr 2013 18:47:16 GMT

     [ https://issues.apache.org/jira/browse/AXIS2-5458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shameera Rathnayaka updated AXIS2-5458:
---------------------------------------

    Comment: was deleted

(was: Hi Manuel,

Could you explain bit more about the issue and provide a small sample which is enough to reproduce
this.

Thanks,
Shameera.)
    
> ConverterTool date conversion without timezone returns Date with day before before 1901
> ---------------------------------------------------------------------------------------
>
>                 Key: AXIS2-5458
>                 URL: https://issues.apache.org/jira/browse/AXIS2-5458
>             Project: Axis2
>          Issue Type: Bug
>          Components: adb
>    Affects Versions: 1.5.4, 1.6.2
>         Environment: Diverse linux (at least)
>            Reporter: Manuel Gallego
>
> GIVEN ConverterUtil.convertToDate("1940-01-01")
> THEN resulting date is one day before at 23:00
> GIVEN ConverterUtil.convertToDate("1900-01-01Z")
> THEN resulting date is one day before at 23:00
> ---------------------------------------------------------------------------------------------------------
> Test that reproduce the issue:
> 	@Test
> 	public void testCustomConvertToDateTimeZone() {
> 		for (int year = 2012; year > 1800; year--) {
> 			for (int month = 12; month > 0; month--) {
> 				Date date = ConverterUtil.convertToDate(createFormattedDate(year, month, 1, ""));
> 				assertParsedDateFieldsEquals(year, month, 1, date);
> 			}
> 		}
> 	}
> 	public void assertParsedDateFieldsEquals(int year, int month, int day, Date date) {
> 		Assert.assertNotNull(date);
> 		Calendar calendar = Calendar.getInstance();
> 		calendar.setTime(date);
> 		String message = "failed conversion " + createFormattedDate(year, month, day) + " not
equals " + date;
> 		Assert.assertEquals(message, year, calendar.get(Calendar.YEAR));
> 		Assert.assertEquals(message, month, calendar.get(Calendar.MONTH) + 1);
> 		Assert.assertEquals(message, day, calendar.get(Calendar.DAY_OF_MONTH));
> 	}
> 	public String createFormattedDate(int year, int month, int day, String suffix) {
> 		return new DecimalFormat("0000").format(year) + "-" + new DecimalFormat("00").format(month)
+ "-" + new DecimalFormat("00").format(day) + suffix;
> 	}
> -------------------------------------------------------------------
> The following implementation solves this issue. I'm not 100% sure it works in all other
cases.
> Essentially I'm setting the timezone offset for the particular date because of the historical
information that TimeZone may contain..
> Another problem I found is that I could not find a way to override the static method
so I had to manually change the wsdl2java generated code.
> 	/**
> 	 * Converts a given string into a date. Code from Axis1 DateDeserializer.
> 	 * 
> 	 * @param source
> 	 * @return Returns Date.
> 	 */
> 	public static Date convertToDate(String source) {
> 		// the lexical form of the date is '-'? yyyy '-' mm '-' dd zzzzzz?
> 		if ((source == null) || source.trim().equals("")) {
> 			return null;
> 		}
> 		source = source.trim();
> 		boolean bc = false;
> 		if (source.startsWith("-")) {
> 			source = source.substring(1);
> 			bc = true;
> 		}
> 		int year = 0;
> 		int month = 0;
> 		int day = 0;
> 		Integer timeZoneOffSet = null;
> 		if (source.length() >= 10) {
> 			// first 10 numbers must give the year
> 			if ((source.charAt(4) != '-') || (source.charAt(7) != '-')) {
> 				throw new RuntimeException("invalid date format (" + source + ") with out - s at
correct place ");
> 			}
> 			year = Integer.parseInt(source.substring(0, 4));
> 			month = Integer.parseInt(source.substring(5, 7));
> 			day = Integer.parseInt(source.substring(8, 10));
> 			if (source.length() > 10) {
> 				String restpart = source.substring(10);
> 				if (restpart.startsWith("Z")) {
> 					// this is a gmt time zone value
> 					timeZoneOffSet = 0;
> 				} else if (restpart.startsWith("+") || restpart.startsWith("-") || restpart.startsWith("T"))
{
> 					// this is a specific time format string
> 					if (restpart.charAt(3) != ':') {
> 						throw new RuntimeException("invalid time zone format (" + source + ") without :
at correct place");
> 					}
> 					int hours = Integer.parseInt(restpart.substring(1, 3));
> 					int minits = Integer.parseInt(restpart.substring(4, 6));
> 					timeZoneOffSet = ((hours * 60) + minits) * 60000;
> 					if (restpart.startsWith("-")) {
> 						timeZoneOffSet = timeZoneOffSet * -1;
> 					}
> 				} else {
> 					throw new RuntimeException("In valid string sufix");
> 				}
> 			}
> 		} else {
> 			throw new RuntimeException("In valid string to parse");
> 		}
> 		Calendar calendar = Calendar.getInstance();
> 		calendar.clear();
> 		calendar.setLenient(false);
> 		calendar.set(Calendar.YEAR, year);
> 		// xml month stars from the 1 and calendar month is starts with 0
> 		calendar.set(Calendar.MONTH, month - 1);
> 		calendar.set(Calendar.DAY_OF_MONTH, day);
> 		
> 		if (timeZoneOffSet != null){
> 			calendar.set(Calendar.ZONE_OFFSET, timeZoneOffSet);
> 		}
> 		else {
> 			calendar.set(Calendar.ZONE_OFFSET, TimeZone.getDefault().getOffset(calendar.getTimeInMillis()));
> 		}
> 		// set the day light off set only if time zone
> 		if (source.length() >= 10) {
> 			calendar.set(Calendar.DST_OFFSET, 0);
> 		}
> 		calendar.getTimeInMillis();
> 		if (bc) {
> 			calendar.set(Calendar.ERA, GregorianCalendar.BC);
> 		}
> 		return calendar.getTime();
> 	}

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