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## org.apache.xerces.validators.datatype
Class DateTimeValidator

    java.lang.Object
      |
      +--org.apache.xerces.validators.datatype.AbstractDatatypeValidator
            |
            +--org.apache.xerces.validators.datatype.AbstractNumericFacetValidator
                  |
                  +--org.apache.xerces.validators.datatype.DateTimeValidator

Direct Known Subclasses:
  DateDatatypeValidator, DateTimeDatatypeValidator, DayDatatypeValidator, DurationDatatypeValidator, MonthDatatypeValidator, MonthDayDatatypeValidator, TimeDatatypeValidator, YearDatatypeValidator, YearMonthDatatypeValidator

public abstract class DateTimeValidator
extends AbstractNumericFacetValidator

This is the base class of all date/time datatype validators. It implements common code for parsing, validating and comparing datatypes. Classes that extend this class, must implement parse() method.

Version:
  $Id: DateTimeValidator.java,v 1.14.2.2 2001/11/05 13:10:19 elena Exp $
Author:
  Elena Litani, Len Berman

Field Summary
`protected static int` | `CY`
`protected static int` | `D`
`protected static int` | `DAY`
`protected static short` | `EQUAL`
`protected java.lang.StringBuffer` | `fBuffer`
`protected int[]` | `fDateValue`
`protected int` | `fEnd`
`protected int` | `fEnumSize`
`protected int` | `fStart`
`protected static short` | `GREATER_THAN`
`protected static int` | `h`
`protected static int` | `hh`
`protected static short` | `LESS_THAN`
`protected static int` | `m`
`protected static int` | `M`
`protected java.lang.StringBuffer` | `message`
`protected static int` | `mm`
`protected static int` | `MONTH`
`protected static int` | `MONTH_SIZE`
`protected static int` | `ms`
`protected static int` | `s`
`protected int[]` | `timeZone`
`protected static int` | `TOTAL_SIZE`
`protected static int` | `utc`
`protected static int` | `YEAR`

Fields inherited from class org.apache.xerces.validators.datatype.AbstractNumericFacetValidator
`fEnumeration, fMaxExclusive, fMaxInclusive, fMinExclusive, fMinInclusive, INDETERMINATE`

Fields inherited from class org.apache.xerces.validators.datatype.AbstractDatatypeValidator
`fBaseValidator, fFacetsDefined, fFlags, fLocale, fMessageProvider, fPattern, fRegex`

Constructor Summary
`DateTimeValidator()`
`DateTimeValidator(DatatypeValidator base, java.util.Hashtable facets, boolean derivedByList)`

Method Summary
`protected void` | `assignAdditionalFacets(java.lang.String key, java.util.Hashtable facets)`
`protected void` | `checkContent(java.lang.String content, java.lang.Object State, java.util.Vector enum, boolean asBase)`
`java.lang.Object` | `clone()`
`int` | `compare(java.lang.String content1, java.lang.String content2)` Compares content in the Domain value vs.
`protected short` | `compareDates(int[] date1, int[] date2, boolean strict)` Compare algorithm described in dateDime (3.2.7).
`protected short` | `compareOrder(int[] date1, int[] date2)` Given normalized values, determines order-relation between give date/time objects.
`protected int` | `compareValues(java.lang.Object value1, java.lang.Object value2)`
`protected java.lang.String` | `dateToString(int[] date)`
`protected int` | `findUTCSign(int start, int end)` Return index of UTC char: 'Z', '+', '-'
`protected int` | `fQuotient(int a, int b)`
`protected int` | `fQuotient(int temp, int low, int high)`
`protected void` | `getDate(int start, int end, int[] date)` Parses date CCYY-MM-DD
`protected java.lang.String` | `getMaxExclusive(boolean isBase)`
`protected java.lang.String` | `getMaxInclusive(boolean isBase)`
`protected java.lang.String` | `getMinExclusive(boolean isBase)`
`protected java.lang.String` | `getMinInclusive(boolean isBase)`
`protected void` | `getTime(int start, int end, int[] data)` Parses time hh:mm:ss.sss and time zone if any
`protected void` | `getTimeZone(int[] data, int sign)` Parses time zone: 'Z' or {+,-} followed by hh:mm
`protected void` | `getYearMonth(int start, int end, int[] date)` Parses date CCYY-MM
`protected int` | `indexOf(int start, int end, char ch)` Computes index of given char within StringBuffer
`protected void` | `initializeValues()`
`protected int` | `maxDayInMonthFor(int year, int month)` Given {year,month} computes maximum number of days for given month
`protected int` | `mod(int a, int b, int quotient)`
`protected int` | `modulo(int temp, int low, int high)`
`protected void` | `normalize(int[] date)` normalize dateTime [E Adding durations to dateTimes] If timezone present - normalize to UTC If hour is 24 - normalize to start of following day
`protected abstract int[]` | `parse(java.lang.String content, int[] date)` Implemented by each subtype, calling appropriate function to parse given date/time
`protected int` | `parseInt(int start, int end)` Given start and end position, parses string value
`protected int` | `parseIntYear(int end)`
`protected void` | `parseTimeZone(int end, int[] date)` Shared code from Date and YearMonth datatypes.
`protected void` | `reportError(java.lang.String msg, java.lang.String value)` Use this function to report errors in constructor
`protected void` | `resetBuffer(java.lang.String str)` Resets fBuffer to store string representation of date/time
`protected void` | `resetDateObj(int[] data)` Resets object representation of date/time
`protected void` | `setEnumeration(java.util.Vector enumeration)`
`protected void` | `setMaxExclusive(java.lang.String value)`
`protected void` | `setMaxInclusive(java.lang.String value)`
`protected void` | `setMinExclusive(java.lang.String value)`
`protected void` | `setMinInclusive(java.lang.String value)`
`java.lang.Object` | `validate(java.lang.String content, java.lang.Object state)` Validate that a string is a W3C date/time type
`protected void` | `validateDate(int[] date, java.lang.String content)` Validates date object against facet and base datatype
`protected void` | `validateDateTime(int[] data)` Validates given date/time object accoring to W3C PR Schema [D.1 ISO 8601 Conventions]

Methods inherited from class org.apache.xerces.validators.datatype.AbstractNumericFacetValidator
`checkBaseFacetConstraints, checkFacetConstraints, inheritAdditionalFacets`

Methods inherited from class org.apache.xerces.validators.datatype.AbstractDatatypeValidator
`getBaseValidator, getErrorString, getWSFacet, setLocale`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### CY

    protected static final int CY

### M

    protected static final int M

### D

    protected static final int D

### h

    protected static final int h

### m

    protected static final int m

### s

    protected static final int s

### ms

    protected static final int ms

### utc

    protected static final int utc

### hh

    protected static final int hh

### mm

    protected static final int mm

### LESS_THAN

    protected static final short LESS_THAN

### EQUAL

    protected static final short EQUAL

### GREATER_THAN

    protected static final short GREATER_THAN

### TOTAL_SIZE

    protected static final int TOTAL_SIZE

### MONTH_SIZE

    protected static final int MONTH_SIZE

### YEAR

    protected static final int YEAR

### MONTH

    protected static final int MONTH

### DAY

    protected static final int DAY

### timeZone

    protected int[] timeZone

### fEnumSize

    protected int fEnumSize

### fEnd

    protected int fEnd

### fStart

    protected int fStart

### fBuffer

    protected java.lang.StringBuffer fBuffer

### fDateValue

    protected int[] fDateValue

### message

    protected java.lang.StringBuffer message

Constructor Detail

### DateTimeValidator

    public DateTimeValidator()
                      throws InvalidDatatypeFacetException

### DateTimeValidator

    public DateTimeValidator(DatatypeValidator base,
                             java.util.Hashtable facets,
                             boolean derivedByList)
                      throws InvalidDatatypeFacetException

Method Detail

### initializeValues

    protected void initializeValues()

  Overrides:
    initializeValues in class AbstractNumericFacetValidator

### assignAdditionalFacets

    protected void assignAdditionalFacets(java.lang.String key,
                                          java.util.Hashtable facets)
                                   throws InvalidDatatypeFacetException

  Overrides:
    assignAdditionalFacets in class AbstractNumericFacetValidator

### compareValues

    protected int compareValues(java.lang.Object value1,
                                java.lang.Object value2)

  Overrides:
    compareValues in class AbstractNumericFacetValidator

### setMaxInclusive

    protected void setMaxInclusive(java.lang.String value)

  Overrides:
    setMaxInclusive in class AbstractNumericFacetValidator

### setMinInclusive

    protected void setMinInclusive(java.lang.String value)

  Overrides:
    setMinInclusive in class AbstractNumericFacetValidator

### setMaxExclusive

    protected void setMaxExclusive(java.lang.String value)

  Overrides:
    setMaxExclusive in class AbstractNumericFacetValidator

### setMinExclusive

    protected void setMinExclusive(java.lang.String value)

  Overrides:
    setMinExclusive in class AbstractNumericFacetValidator

### setEnumeration

    protected void setEnumeration(java.util.Vector enumeration)
                           throws InvalidDatatypeValueException

  Overrides:
    setEnumeration in class AbstractNumericFacetValidator

### getMaxInclusive

    protected java.lang.String getMaxInclusive(boolean isBase)

  Overrides:
    getMaxInclusive in class AbstractNumericFacetValidator

### getMinInclusive

    protected java.lang.String getMinInclusive(boolean isBase)

  Overrides:
    getMinInclusive in class AbstractNumericFacetValidator

### getMaxExclusive

    protected java.lang.String getMaxExclusive(boolean isBase)

  Overrides:
    getMaxExclusive in class AbstractNumericFacetValidator

### getMinExclusive

    protected java.lang.String getMinExclusive(boolean isBase)

  Overrides:
    getMinExclusive in class AbstractNumericFacetValidator

### checkContent

    protected void checkContent(java.lang.String content,
                                java.lang.Object State,
                                java.util.Vector enum,
                                boolean asBase)
                         throws InvalidDatatypeValueException

### parse

    protected abstract int[] parse(java.lang.String content,
                                   int[] date)
                            throws SchemaDateTimeException

  Implemented by each subtype, calling appropriate function to parse given date/time
  Parameters:
    `content` - String value of the date/time
    `date` - Storage to represent date/time object. If null - new object will be created, otherwise date will be reset and reused
  Returns:
    updated date/time object
  Throws:
    java.lang.Exception -

### validate

    public java.lang.Object validate(java.lang.String content,
                                     java.lang.Object state)
                              throws InvalidDatatypeValueException

  Validate that a string is a W3C date/time type
  Overrides:
    validate in class AbstractDatatypeValidator
  Parameters:
    `content` - string value of date/time
    `state` -
  Returns:
  Throws:
    InvalidDatatypeValueException -

### validateDate

    protected void validateDate(int[] date,
                                java.lang.String content)
                         throws InvalidDatatypeValueException

  Validates date object against facet and base datatype
  Parameters:
    `date` - represents date/time obj
    `content` - lexical representation of date/time obj
  Throws:
    InvalidDatatypeValueException -

### compare

    public int compare(java.lang.String content1,
                       java.lang.String content2)

  Description copied from interface: DatatypeValidator
  Compares content in the Domain value vs. lexical value. e.g. If type is a float then 1.0 may be equivalent to 1 even tough both are lexically different.
  Tags copied from interface: DatatypeValidator
  Parameters:
    `value1` -
    `valu2` -
  Returns:

### clone

    public java.lang.Object clone()
                           throws java.lang.CloneNotSupportedException

  Overrides:
    clone in class AbstractDatatypeValidator

### compareDates

    protected short compareDates(int[] date1,
                                 int[] date2,
                                 boolean strict)

  Compare algorithm described in dateDime (3.2.7). Duration datatype overwrites this method
  Parameters:
    `date1` - normalized date representation of the first value
    `date2` - normalized date representation of the second value
    `strict` -
  Returns:
    less, greater, less_equal, greater_equal, equal

### compareOrder

    protected short compareOrder(int[] date1,
                                 int[] date2)

  Given normalized values, determines order-relation between give date/time objects.
  Parameters:
    `date1` - date/time object
    `date2` - date/time object
  Returns:

### getTime

    protected void getTime(int start,
                           int end,
                           int[] data)
                    throws java.lang.RuntimeException

  Parses time hh:mm:ss.sss and time zone if any
  Parameters:
    `start` -
    `end` -
    `data` -
  Returns:
  Throws:
    java.lang.Exception -

### getDate

    protected void getDate(int start,
                           int end,
                           int[] date)
                    throws java.lang.RuntimeException

  Parses date CCYY-MM-DD
  Parameters:
    `start` -
    `end` -
    `data` -
  Returns:
  Throws:
    java.lang.Exception -

### getYearMonth

    protected void getYearMonth(int start,
                                int end,
                                int[] date)
                         throws java.lang.RuntimeException

  Parses date CCYY-MM
  Parameters:
    `start` -
    `end` -
    `data` -
  Returns:
  Throws:
    java.lang.Exception -

### parseTimeZone

    protected void parseTimeZone(int end,
                                 int[] date)
                          throws java.lang.RuntimeException

  Shared code from Date and YearMonth datatypes. Finds if time zone sign is present
  Parameters:
    `end` -
    `date` -
  Returns:
  Throws:
    java.lang.Exception -

### getTimeZone

    protected void getTimeZone(int[] data,
                               int sign)
                        throws java.lang.RuntimeException

  Parses time zone: 'Z' or {+,-} followed by hh:mm
  Parameters:
    `data` -
    `sign` -
  Returns:

### indexOf

    protected int indexOf(int start,
                          int end,
                          char ch)

  Computes index of given char within StringBuffer
  Parameters:
    `start` -
    `end` -
    `ch` - character to look for in StringBuffer
  Returns:
    index of ch within StringBuffer

### validateDateTime

    protected void validateDateTime(int[] data)

  Validates given date/time object accoring to W3C PR Schema [D.1 ISO 8601 Conventions]
  Parameters:
    `data` -
  Returns:

### findUTCSign

    protected int findUTCSign(int start,
                              int end)

  Return index of UTC char: 'Z', '+', '-'
  Parameters:
    `start` -
    `end` -
  Returns:

### parseInt

    protected int parseInt(int start,
                           int end)
                    throws java.lang.NumberFormatException

  Given start and end position, parses string value
  Parameters:
    `value` - string to parse
    `start` - Start position
    `end` - end position
  Returns:
    return integer representation of characters

### parseIntYear

    protected int parseIntYear(int end)

### normalize

    protected void normalize(int[] date)

  normalize dateTime [E Adding durations to dateTimes] If timezone present - normalize to UTC If hour is 24 - normalize to start of following day
  Parameters:
    `date` - CCYY-MM-DDThh:mm:ss+03
  Returns:
    CCYY-MM-DDThh:mm:ssZ

### resetBuffer

    protected void resetBuffer(java.lang.String str)

  Resets fBuffer to store string representation of date/time
  Parameters:
    `str` - Lexical representation of date/time

### resetDateObj

    protected void resetDateObj(int[] data)

  Resets object representation of date/time
  Parameters:
    `data` - date/time object

### maxDayInMonthFor

    protected int maxDayInMonthFor(int year,
                                   int month)

  Given {year,month} computes maximum number of days for given month
  Parameters:
    `year` -
    `month` -
  Returns:

### mod

    protected int mod(int a,
                      int b,
                      int quotient)

### fQuotient

    protected int fQuotient(int a,
                            int b)

### modulo

    protected int modulo(int temp,
                         int low,
                         int high)

### fQuotient

    protected int fQuotient(int temp,
                            int low,
                            int high)

### dateToString

    protected java.lang.String dateToString(int[] date)

### reportError

    protected void reportError(java.lang.String msg,
                               java.lang.String value)

  Use this function to report errors in constructor
  Parameters:
    `msg` -
    `value` -

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