Example usage for java.text ParsePosition ParsePosition

Introduction

In this page you can find the example usage for java.text ParsePosition ParsePosition.

Prototype

public ParsePosition(int index) 

Source Link

Document

Create a new ParsePosition with the given initial index.

Usage

From source file:org.miloss.fgsms.common.Utility.java

/**
 * Parses the date/time stamp from a given input parameter using one of the
 * following formats<br> <ul> <li>mm/dd/yyyy</li> <li>mm/dd/yyyy
 * hh:mm:ss</li> <li>EEE MMM dd HH:mm:ss zzz yyyy - this is the standard
 * output from the unix date command</li> <li>EEE mm/dd/yyyy HH:mm:ss.ms -
 * this is the standard output from the windows command echo %date%
 * %time%</li> <li>yyyy-MM-ddThh:mm:ss.zzzzzzz</li> <li>Epoch time (ms)</li>
 * <li>PnYnMnDTnHnMnS - XML lexical representation</li> </ul>
 *
 * @param s the input string//  w ww.j  a  va2s.  c  om
 * @return a non-null instance of Calendar matching the interpreted date.
 * @throws Exception if the date cannot be parsed
 */
public static Calendar parseDateTime(String s) throws Exception {
    //this is what the calendar widget gives us
    SimpleDateFormat f1 = new SimpleDateFormat("MM/dd/yyyy");
    SimpleDateFormat f2 = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");
    //std unix date format
    SimpleDateFormat f3 = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy");
    //std windows  date format
    SimpleDateFormat f4 = new SimpleDateFormat("EEE MM/dd/yyyy HH:mm:ss.ms");
    SimpleDateFormat f5 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.zzzzzzz");
    Date d = null;

    try {
        d = f1.parse(s, new ParsePosition(0));
    } catch (Exception ex) {
    }
    if (d == null) {
        try {
            d = f2.parse(s, new ParsePosition(0));
        } catch (Exception ex) {
        }
    }
    if (d == null) {
        try {
            d = f3.parse(s, new ParsePosition(0));
        } catch (Exception ex) {
        }
    }
    if (d == null) {
        try {
            d = f4.parse(s, new ParsePosition(0));
        } catch (Exception ex) {
        }
    }
    if (d == null) {
        try {
            d = f5.parse(s, new ParsePosition(0));
        } catch (Exception ex) {
        }
    }
    if (d != null) {
        GregorianCalendar gcal = new GregorianCalendar();
        gcal.setTime(d);
        return (gcal);
    }
    try {
        long timestamp = Long.parseLong(s);
        GregorianCalendar gcal = new GregorianCalendar();
        gcal.setTimeInMillis(timestamp);
        return (gcal);
    } catch (Exception x) {
    }
    throw new Exception("Unable to parse the date, see documentation for correct usage");
}

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From source file:com.novartis.opensource.yada.adaptor.OracleAdaptor.java

/**
* Enables checking for {@link JDBCAdaptor#ORACLE_TIMESTAMP_FMT} if {@code val} does not conform to {@link JDBCAdaptor#STANDARD_TIMESTAMP_FMT}
* @since 5.1.1/*from   w ww .  ja v  a  2s.c om*/
*/
@Override
protected void setTimestampParameter(PreparedStatement pstmt, int index, char type, String val)
        throws SQLException {
    if (EMPTY.equals(val) || val == null) {
        pstmt.setNull(index, java.sql.Types.DATE);
    } else {
        SimpleDateFormat sdf = new SimpleDateFormat(STANDARD_TIMESTAMP_FMT);
        ParsePosition pp = new ParsePosition(0);
        Date dateVal = sdf.parse(val, pp);
        if (dateVal == null) {
            sdf = new SimpleDateFormat(ORACLE_TIMESTAMP_FMT);
            pp = new ParsePosition(0);
            dateVal = sdf.parse(val, pp);
        }
        if (dateVal != null) {
            long t = dateVal.getTime();
            java.sql.Timestamp sqlDateVal = new java.sql.Timestamp(t);
            pstmt.setTimestamp(index, sqlDateVal);
        }
    }
}

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From source file:com.jeeframework.util.validate.GenericTypeValidator.java

/**
 *  Checks if the value can safely be converted to a long primitive.
 *
 *@param  value   The value validation is being performed on.
 *@param  locale  The locale to use to parse the number (system default if
 *      null)//from   ww  w . jav  a 2 s . c  o  m
 *@return the converted Long value.
 */
public static Long formatLong(String value, Locale locale) {
    Long result = null;

    if (value != null) {
        NumberFormat formatter = null;
        if (locale != null) {
            formatter = NumberFormat.getNumberInstance(locale);
        } else {
            formatter = NumberFormat.getNumberInstance(Locale.getDefault());
        }
        formatter.setParseIntegerOnly(true);
        ParsePosition pos = new ParsePosition(0);
        Number num = formatter.parse(value, pos);

        // If there was no error      and we used the whole string
        if (pos.getErrorIndex() == -1 && pos.getIndex() == value.length()) {
            if (num.doubleValue() >= Long.MIN_VALUE && num.doubleValue() <= Long.MAX_VALUE) {
                result = new Long(num.longValue());
            }
        }
    }

    return result;
}

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From source file:org.opendatakit.briefcase.util.WebUtils.java

/**
 * Parse a string into a datetime value. Tries the common Http formats, the
 * iso8601 format (used by Javarosa), the default formatting from
 * Date.toString(), and a time-only format.
 * /*from  w  w w . j a va2s. c o  m*/
 * @param value
 * @return
 */
public static final Date parseDate(String value) {
    if (value == null || value.length() == 0)
        return null;

    String[] iso8601Pattern = new String[] { PATTERN_ISO8601 };

    String[] localizedParsePatterns = new String[] {
            // try the common HTTP date formats that have time zones
            PATTERN_RFC1123, PATTERN_RFC1036, PATTERN_DATE_TOSTRING };

    String[] localizedNoTzParsePatterns = new String[] {
            // ones without timezones... (will assume UTC)
            PATTERN_ASCTIME };

    String[] tzParsePatterns = new String[] { PATTERN_ISO8601, PATTERN_ISO8601_DATE, PATTERN_ISO8601_TIME };

    String[] noTzParsePatterns = new String[] {
            // ones without timezones... (will assume UTC)
            PATTERN_ISO8601_WITHOUT_ZONE, PATTERN_NO_DATE_TIME_ONLY,
            PATTERN_YYYY_MM_DD_DATE_ONLY_NO_TIME_DASH };

    Date d = null;
    // iso8601 parsing is sometimes off-by-one when JR does it...
    d = parseDateSubset(value, iso8601Pattern, null, TimeZone.getTimeZone("GMT"));
    if (d != null)
        return d;
    // try to parse with the JavaRosa parsers
    d = DateUtils.parseDateTime(value);
    if (d != null)
        return d;
    d = DateUtils.parseDate(value);
    if (d != null)
        return d;
    d = DateUtils.parseTime(value);
    if (d != null)
        return d;
    // try localized and english text parsers (for Web headers and interactive filter spec.)
    d = parseDateSubset(value, localizedParsePatterns, Locale.ENGLISH, TimeZone.getTimeZone("GMT"));
    if (d != null)
        return d;
    d = parseDateSubset(value, localizedParsePatterns, null, TimeZone.getTimeZone("GMT"));
    if (d != null)
        return d;
    d = parseDateSubset(value, localizedNoTzParsePatterns, Locale.ENGLISH, TimeZone.getTimeZone("GMT"));
    if (d != null)
        return d;
    d = parseDateSubset(value, localizedNoTzParsePatterns, null, TimeZone.getTimeZone("GMT"));
    if (d != null)
        return d;
    // try other common patterns that might not quite match JavaRosa parsers
    d = parseDateSubset(value, tzParsePatterns, null, TimeZone.getTimeZone("GMT"));
    if (d != null)
        return d;
    d = parseDateSubset(value, noTzParsePatterns, null, TimeZone.getTimeZone("GMT"));
    if (d != null)
        return d;
    // try the locale- and timezone- specific parsers
    {
        DateFormat formatter = DateFormat.getDateTimeInstance();
        ParsePosition pos = new ParsePosition(0);
        d = formatter.parse(value, pos);
        if (d != null && pos.getIndex() == value.length()) {
            return d;
        }
    }
    {
        DateFormat formatter = DateFormat.getDateInstance();
        ParsePosition pos = new ParsePosition(0);
        d = formatter.parse(value, pos);
        if (d != null && pos.getIndex() == value.length()) {
            return d;
        }
    }
    {
        DateFormat formatter = DateFormat.getTimeInstance();
        ParsePosition pos = new ParsePosition(0);
        d = formatter.parse(value, pos);
        if (d != null && pos.getIndex() == value.length()) {
            return d;
        }
    }
    throw new IllegalArgumentException("Unable to parse the date: " + value);
}

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From source file:mml.handler.scratch.ScratchVersion.java

/**
 * Convert a string date back to a Date object
 * @param date the date previously generated by toJSON
 * @return a Date/* ww w .  j a  va 2 s . c  o m*/
 */
static Date toDate(String date) {
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    ParsePosition pp = new ParsePosition(0);
    return sdf.parse(date, pp);
}

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From source file:com.anrisoftware.globalpom.format.byteformat.ByteFormat.java

/**
 * Parses the specified string to computer byte.
 * <p>//from  ww  w.  ja v  a 2  s  . c o  m
 * The format follows the pattern:
 *
 * <pre>
 * &lt;value&gt;(byte|kB,MB,...,YB|KiB,MiB,...,YiB)
 * </pre>
 *
 * <p>
 * <h2>Examples</h2>
 * <p>
 * <ul>
 * <li>{@code "64 byte"}
 * <li>{@code "1 kb"}
 * <li>{@code "1 Kib"}
 * </ul>
 *
 * @param multiplier
 *            the unit {@link UnitMultiplier}.
 *
 * @return the parsed value.
 *
 * @throws ParseException
 *             if the string cannot be parsed to a value.
 */
public long parse(String source, UnitMultiplier multiplier) throws ParseException {
    ParsePosition pos = new ParsePosition(0);
    Long result = parse(source, pos, multiplier);
    if (pos.getIndex() == 0) {
        throw log.errorParseValue(source, pos);
    }
    return result;
}

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From source file:easyJ.common.validate.GenericTypeValidator.java

/**
 * Checks if the value can safely be converted to a long primitive.
 * //from www. j a  v  a 2  s .c  o  m
 * @param value
 *                The value validation is being performed on.
 * @param locale
 *                The locale to use to parse the number (system default if
 *                null)
 * @return the converted Long value.
 */
public static Long formatLong(String value, Locale locale) {
    Long result = null;

    if (value != null) {
        NumberFormat formatter = null;
        if (locale != null) {
            formatter = NumberFormat.getNumberInstance(locale);
        } else {
            formatter = NumberFormat.getNumberInstance(Locale.getDefault());
        }
        formatter.setParseIntegerOnly(true);
        ParsePosition pos = new ParsePosition(0);
        Number num = formatter.parse(value, pos);

        // If there was no error and we used the whole string
        if (pos.getErrorIndex() == -1 && pos.getIndex() == value.length()) {
            if (num.doubleValue() >= Long.MIN_VALUE && num.doubleValue() <= Long.MAX_VALUE) {
                result = new Long(num.longValue());
            }
        }
    }

    return result;
}

---

From source file:org.lingcloud.molva.ocl.util.GenericTypeValidator.java

/**
 * Checks if the value can safely be converted to a long primitive.
 * /* ww  w  .  j  a  v  a  2s. co  m*/
 * @param value
 *            The value validation is being performed on.
 * @param locale
 *            The locale to use to parse the number (system default if null)
 * @return the converted Long value.
 */
public static Long formatLong(String value, Locale locale) {
    Long result = null;

    if (value != null) {
        NumberFormat formatter = null;
        if (locale != null) {
            formatter = NumberFormat.getNumberInstance(locale);
        } else {
            formatter = NumberFormat.getNumberInstance(Locale.getDefault());
        }
        formatter.setParseIntegerOnly(true);
        ParsePosition pos = new ParsePosition(0);
        Number num = formatter.parse(value, pos);

        // If there was no error and we used the whole string
        if (pos.getErrorIndex() == -1 && pos.getIndex() == value.length()) {
            if (num.doubleValue() >= Long.MIN_VALUE && num.doubleValue() <= Long.MAX_VALUE) {
                result = Long.valueOf(num.longValue());
            }
        }
    }

    return result;
}

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From source file:gov.nih.nci.cabig.caaers.utils.DateUtils.java

public static Date parseDate(String dateStr, String... parsePatterns) throws ParseException {

    if (dateStr == null || parsePatterns == null) {
        throw new IllegalArgumentException("Date and Patterns must not be null");
    }// w ww  .  j  av a 2 s .  com

    String strDate = dateStr;
    //do year correction. (partial year >=50 will be 1999 and <50 will be 2000)
    String[] parts = StringUtils.split(dateStr, '/');
    int len = parts.length;

    if (len != 3 || parts[0].length() > 2 || parts[1].length() > 2)
        throw new ParseException("Unable to parse the date " + strDate, -1);

    String yStr = parts[2];

    if (!(yStr.length() == 4 || yStr.length() == 2 || yStr.length() == 10))
        throw new ParseException("Unable to parse the date " + strDate, -1);
    if (yStr.length() == 2 && StringUtils.isNumeric(yStr)) {

        if (Integer.parseInt(yStr) < 50)
            yStr = "20" + yStr;
        else
            yStr = "19" + yStr;

        parts[2] = yStr;
        strDate = StringUtils.join(parts, '/');
    }

    //BJ: date formats are not thread save, so we need to create one each time.
    SimpleDateFormat parser = null;
    ParsePosition pos = new ParsePosition(0);
    for (int i = 0; i < parsePatterns.length; i++) {
        if (i == 0) {
            parser = new SimpleDateFormat(parsePatterns[0]);
        } else {
            parser.applyPattern(parsePatterns[i]);
        }
        pos.setIndex(0);

        Date date = parser.parse(strDate, pos);
        if (date != null && pos.getIndex() == strDate.length()) {
            return date;
        }
    }
    throw new ParseException("Unable to parse the date: " + strDate, -1);
}

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