Java Code Examples for sun.util.calendar.ZoneInfoFile#getZoneInfo()

The following examples show how to use sun.util.calendar.ZoneInfoFile#getZoneInfo() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CLDRTimeZoneNameProviderImpl.java    From Bytecoder with Apache License 2.0 6 votes vote down vote up
private String toGMTFormat(String id, boolean daylight, boolean isShort, Locale l) {
    TimeZone tz = ZoneInfoFile.getZoneInfo(id);
    int offset = (tz.getRawOffset() + (daylight ? tz.getDSTSavings() : 0)) / 60000;
    LocaleResources lr = LocaleProviderAdapter.forType(Type.CLDR).getLocaleResources(l);
    ResourceBundle fd = lr.getJavaTimeFormatData();

    if (offset == 0) {
        return fd.getString("timezone.gmtZeroFormat");
    } else {
        String gmtFormat = fd.getString("timezone.gmtFormat");
        String hourFormat = fd.getString("timezone.hourFormat");

        if (offset > 0) {
            hourFormat = hourFormat.substring(0, hourFormat.indexOf(";"));
        } else {
            hourFormat = hourFormat.substring(hourFormat.indexOf(";") + 1);
            offset = -offset;
        }
        hourFormat = hourFormat
            .replaceFirst("H+", (isShort ? "\\%1\\$d" : "\\%1\\$02d"))
            .replaceFirst("m+", "\\%2\\$02d");
        return MessageFormat.format(gmtFormat,
                String.format(l, hourFormat, offset / 60, offset % 60));
    }
}
 
Example 2
Source File: TimeZone.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 3
Source File: TimeZone.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 4
Source File: TimeZone.java    From jdk-1.7-annotated with Apache License 2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 5
Source File: TimeZone.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 6
Source File: TimeZone.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 7
Source File: TimeZone.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 8
Source File: TimeZone.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 9
Source File: TimeZone.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 10
Source File: TimeZone.java    From Java8CN with Apache License 2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 11
Source File: TimeZone.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 12
Source File: TimeZone.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 13
Source File: TimeZone.java    From Bytecoder with Apache License 2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 14
Source File: TimeZone.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 15
Source File: TimeZone.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 16
Source File: TimeZone.java    From JDKSourceCode1.8 with MIT License 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 17
Source File: TimeZone.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 18
Source File: TimeZone.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}
 
Example 19
Source File: TimeZone.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up
/**
 * Parses a custom time zone identifier and returns a corresponding zone.
 * This method doesn't support the RFC 822 time zone format. (e.g., +hhmm)
 *
 * @param id a string of the <a href="#CustomID">custom ID form</a>.
 * @return a newly created TimeZone with the given offset and
 * no daylight saving time, or null if the id cannot be parsed.
 */
private static final TimeZone parseCustomTimeZone(String id) {
    int length;

    // Error if the length of id isn't long enough or id doesn't
    // start with "GMT".
    if ((length = id.length()) < (GMT_ID_LENGTH + 2) ||
        id.indexOf(GMT_ID) != 0) {
        return null;
    }

    ZoneInfo zi;

    // First, we try to find it in the cache with the given
    // id. Even the id is not normalized, the returned ZoneInfo
    // should have its normalized id.
    zi = ZoneInfoFile.getZoneInfo(id);
    if (zi != null) {
        return zi;
    }

    int index = GMT_ID_LENGTH;
    boolean negative = false;
    char c = id.charAt(index++);
    if (c == '-') {
        negative = true;
    } else if (c != '+') {
        return null;
    }

    int hours = 0;
    int num = 0;
    int countDelim = 0;
    int len = 0;
    while (index < length) {
        c = id.charAt(index++);
        if (c == ':') {
            if (countDelim > 0) {
                return null;
            }
            if (len > 2) {
                return null;
            }
            hours = num;
            countDelim++;
            num = 0;
            len = 0;
            continue;
        }
        if (c < '0' || c > '9') {
            return null;
        }
        num = num * 10 + (c - '0');
        len++;
    }
    if (index != length) {
        return null;
    }
    if (countDelim == 0) {
        if (len <= 2) {
            hours = num;
            num = 0;
        } else {
            hours = num / 100;
            num %= 100;
        }
    } else {
        if (len != 2) {
            return null;
        }
    }
    if (hours > 23 || num > 59) {
        return null;
    }
    int gmtOffset =  (hours * 60 + num) * 60 * 1000;

    if (gmtOffset == 0) {
        zi = ZoneInfoFile.getZoneInfo(GMT_ID);
        if (negative) {
            zi.setID("GMT-00:00");
        } else {
            zi.setID("GMT+00:00");
        }
    } else {
        zi = ZoneInfoFile.getCustomTimeZone(id, negative ? -gmtOffset : gmtOffset);
    }
    return zi;
}