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.lingcloud.molva.ocl.util.GenericTypeValidator.java

/**
 * Checks if the value can safely be converted to a byte primitive.
 * /*from  ww  w.  j  av a  2s. com*/
 * @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 Byte value.
 */
public static Byte formatByte(String value, Locale locale) {
    Byte 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() >= Byte.MIN_VALUE && num.doubleValue() <= Byte.MAX_VALUE) {
                result = Byte.valueOf(num.byteValue());
            }
        }
    }

    return result;
}

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From source file:utils.StringManip.java

/**
 * Checks if a string is numeric/*from w  ww.  java2s . c om*/
 *
 * @param str String to check if it is a number
 * @return True if the string is a number
 */
public static boolean isNumeric(String str) {
    NumberFormat formatter = NumberFormat.getInstance();
    ParsePosition pos = new ParsePosition(0);
    formatter.parse(str, pos);
    boolean IsANumber = str.length() == pos.getIndex();

    Pattern p = Pattern.compile("[0-9]");
    Matcher m = p.matcher(str);
    boolean containsNumber = m.matches();

    return IsANumber || containsNumber;
}

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From source file:Main.java

/**
 * <p>Parses a string representing a date by trying a variety of different parsers.</p>
 * //from  www . java  2  s .  co m
 * <p>The parse will try each parse pattern in turn.
 * A parse is only deemed sucessful if it parses the whole of the input string.
 * If no parse patterns match, a ParseException is thrown.</p>
 * 
 * @param str  the date to parse, not null
 * @param parsePatterns  the date format patterns to use, see SimpleDateFormat, not null
 * @return the parsed date
 * @throws IllegalArgumentException if the date string or pattern array is null
 * @throws ParseException if none of the date patterns were suitable
 */
public static Date parseDate(String str, String[] parsePatterns) throws ParseException {
    if (str == null || parsePatterns == null) {
        throw new IllegalArgumentException("Date and Patterns must not be null");
    }

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

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From source file:com.anrisoftware.globalpom.format.locale.LocaleFormat.java

/**
 * Parses the specified string to a locale.
 * /*w w  w . ja  v  a2 s .  c  o  m*/
 * @return the parsed {@link Locale}.
 * 
 * @throws ParseException
 *             if the string cannot be parsed to a value.
 * 
 * @see Locale#toString()
 */
public Locale parse(String source) throws ParseException {
    ParsePosition pos = new ParsePosition(0);
    Locale result = parse(source, pos);
    if (pos.getIndex() == 0) {
        throw log.errorParse(source, pos);
    }
    return result;
}

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From source file:org.createnet.raptor.models.data.types.NumberRecord.java

@Override
public Number parseValue(Object value) {
    try {//from   ww  w  . j  a  v  a2s  .c o m

        if (value instanceof Number) {
            return (Number) value;
        }

        if (value instanceof JsonNode) {

            JsonNode node = (JsonNode) value;

            if (node.isNumber()) {

                if (node.isInt() || node.isShort()) {
                    return (Number) node.asInt();
                }

                if (node.isDouble() || node.isFloat()) {
                    return (Number) node.asDouble();
                }

                if (node.isLong()) {
                    return (Number) node.asLong();
                }
            }

            if (node.isTextual()) {
                value = node.asText();
            }

        }

        NumberFormat formatter = NumberFormat.getInstance();
        ParsePosition pos = new ParsePosition(0);
        Number numVal = formatter.parse((String) value, pos);

        return numVal;
    } catch (Exception e) {
        throw new RaptorComponent.ParserException(e);
    }
}

---

From source file:org.jboss.dashboard.ui.resources.ResourceName.java

public static ResourceName getInstance(String resName) {
    ResourceName resource = new ResourceName();
    try {//w  ww  . j a  va  2 s.c o m
        //Workspace
        ParsePosition pPos = new ParsePosition(0);
        String resourceName = useBase64Names ? new String(Base64.decode(resName)) : resName;
        Object[] o = msgf.parse(resourceName, pPos);
        if (o == null)
            throw new ParseException(
                    "Cannot parse " + resourceName + ". Error at position " + pPos.getErrorIndex(),
                    pPos.getErrorIndex());
        //log.debug("Parsing result: " + Arrays.asList(o));

        //log.debug("Workspace name determined from resource name is " + o[0]);
        resource.workspaceId = (String) o[0];
        resource.workspaceId = "".equals(resource.workspaceId) ? null : resource.workspaceId;

        //Section
        //log.debug("Section determined from resource name is " + o[1]);
        String sectionId = (String) o[1];
        if (!"".equals(sectionId))
            resource.sectionId = new Long(sectionId);

        //Panel
        //log.debug("Panel determined from resource name is " + o[2]);
        String panelId = (String) o[2];
        if (!"".equals(panelId))
            resource.panelId = new Long(panelId);

        //Category
        //log.debug("Category determined from resource name is " + o[3]);
        resource.category = (String) o[3];
        if ("".equals(resource.category))
            throw new ParseException("Cannot find non-empty category name", 3);

        //CategoryId
        //log.debug("CategoryId determined from resource name is " + o[4]);
        resource.categoryId = (String) o[4];
        resource.categoryId = "".equals(resource.categoryId) ? null : resource.categoryId;

        //ResourceId
        //log.debug("Resource determined from resource name is " + o[5]);
        resource.resourceId = (String) o[5];
        if ("".equals(resource.resourceId))
            resource.resourceId = null;

        StringBuffer sb = new StringBuffer();
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.workspaceId));
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.sectionId));
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.panelId));
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.category));
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.categoryId));
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.resourceId));
        resource.resName = useBase64Names ? Base64.encode(sb.toString().getBytes()) : sb.toString();

        /*if (resource.categoryId != null) {
        sb=new StringBuffer();
        sb.append(SEPARATOR);
        sb.append(SEPARATOR);
        sb.append(SEPARATOR);
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.category));
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.categoryId));
        sb.append(SEPARATOR);
        sb.append(RenderUtils.noNull(resource.resourceId));
                
        resource.portableResourceName = useBase64Names ? Base64.encode(sb.toString().getBytes()) : sb.toString();
        }
        else{
        resource.portableResourceName = resource.resName;
        log.debug("Resource "+resource.resName+" is not portable.");
        } */
        resource.portableResourceName = resource.resName;

        resource.resourceClass = Class.forName("org.jboss.dashboard.ui.resources."
                + resource.category.substring(0, 1).toUpperCase() + resource.category.substring(1));

    } catch (Exception e) {
        log.debug("Error processing resource name. ", e);
        resource = null;
    }
    return resource;
}

---

From source file:org.catechis.Transformer.java

/**
*Takes a string with the date format we have been using since the beginning,
*and returns a long representing the instant.
*//*from  w  w  w.  j  a v  a 2s  .c o m*/
public static String getLongDateAsString(String str_date) {
    SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy");
    Date in_date = null;
    ParsePosition pp = new ParsePosition(0);
    Date date = sdf.parse(str_date, pp);
    String result = Long.toString(date.getTime());
    return result;
}

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From source file:be.wegenenverkeer.common.resteasy.json.Iso8601AndOthersLocalDateTimeFormat.java

/**
 * Parse string to date./* ww w. ja v  a  2s .  c om*/
 *
 * @param str string to parse
 * @return date
 */
public LocalDateTime parse(String str) {
    LocalDateTime date = null;

    if (StringUtils.isNotBlank(str)) {
        // try full ISO 8601 format first
        try {
            Date timestamp = ISO8601Utils.parse(str, new ParsePosition(0));
            Instant instant = Instant.ofEpochMilli(timestamp.getTime());
            return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
        } catch (IllegalArgumentException | ParseException ex) {
            // ignore, try next format
            date = null; // dummy
        }
        // then try ISO 8601 format without timezone
        try {
            return LocalDateTime.from(iso8601NozoneFormat.parse(str));
        } catch (IllegalArgumentException | DateTimeParseException ex) {
            // ignore, try next format
            date = null; // dummy
        }

        // then try a list of formats
        for (DateTimeFormatter formatter : FORMATS) {
            try {
                TemporalAccessor ta = formatter.parse(str);
                try {
                    return LocalDateTime.from(ta);
                } catch (DateTimeException dte) {
                    return LocalDate.from(ta).atStartOfDay();
                }
            } catch (IllegalArgumentException | DateTimeParseException e) {
                // ignore, try next format
                date = null; // dummy
            }
        }
        throw new IllegalArgumentException("Could not parse date " + str
                + " using ISO 8601 or any of the formats " + Arrays.asList(FORMATS) + ".");

    }
    return date; // empty string
}

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From source file:com.haulmont.chile.core.datatypes.impl.NumberDatatype.java

protected Number parse(String value, NumberFormat format) throws ParseException {
    ParsePosition pos = new ParsePosition(0);
    Number res = format.parse(value.trim(), pos);
    if (pos.getIndex() != value.length()) {
        throw new ParseException(String.format("Unparseable number: \"%s\"", value), pos.getErrorIndex());
    }/*www . j  a va 2 s . c om*/
    return res;
}

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From source file:org.netxilia.api.impl.value.NumberParser.java

@Override
public IGenericValue parse(String text) {
    String input = preprocess(text);
    ParsePosition pp = new ParsePosition(0);

    for (NumberFormat format : this.formats) {
        pp.setIndex(0);//from ww w.j a v a2s.c o m
        Number number = format.parse(input, pp);
        if (number != null && input.length() == pp.getIndex()) {
            return new NumberValue(number.doubleValue());
        }
    }

    return null;
}

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