org.eclipse.birt.core.data

Class DataTypeUtil

java.lang.Object

org.eclipse.birt.core.data.DataTypeUtil

public final class DataTypeUtil
extends java.lang.Object

A utility function The convert method converts the source object, which can be any supported data type, into an object given specified type. If no reasonable conversion can be made, throw a BirtException.

Field Summary

Fields

Modifier and Type	Field and Description
static long	count
static java.util.ResourceBundle	resourceBundle

Constructor Summary

Constructors

Constructor and Description
DataTypeUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.Object	convert(java.lang.Object source, java.lang.Class toTypeClass) convert a object to given class Classes supported: Integer.class BigDecimal.class Boolean.class Time.class Date.class Double.class String.class Blob.class
static java.lang.Object	convert(java.lang.Object source, int toType) convert an object to given type Types supported: DataType.INTEGER_TYPE DataType.DECIMAL_TYPE DataType.BOOLEAN_TYPE DataType.DATE_TYPE DataType.DOUBLE_TYPE DataType.STRING_TYPE DataType.BLOB_TYPE DataType.SQL_DATE_TYPE DataType.SQL_TIME_TYPE
static int	toApiDataType(java.lang.Class clazz) Converts a Java class to its corresponding data type constant defined in DataType
static int	toApiDataType(int odaDataTypeCode) Converts an ODA data type code to its corresponding Data Engine API data type constant defined in DataType.
static java.lang.Object	toAutoValue(java.lang.Object evaValue) Convert object to a suitable type from its value Object -> Integer -> Double -> BigDecimal -> Date -> String
static java.math.BigDecimal	toBigDecimal(java.lang.Object source) Boolean -> BigDecimal true -> 1 others -> 0 Date -> BigDecimal Date.getTime(); String -> BigDecimal new BigDecimal(String);
static java.sql.Blob	toBlob(java.lang.Object source) Converting Blob to/from other types is not currently supported
static java.lang.Boolean	toBoolean(java.lang.Object source) Number -> Boolean 0 -> false others -> true String -> Boolean "true" -> true (ignore case) "false" -> false (ignore case) other string will throw an exception Date -> Boolean throw exception
static byte[]	toBytes(java.lang.Object source)
static java.util.Date	toDate(java.lang.Object source) Number -> Date new Date((long)Number) String -> Date toDate(String)
static java.util.Date	toDate(java.lang.String source, java.util.Locale locale) A temp solution to the adoption of ICU4J to BIRT.
static java.util.Date	toDate(java.lang.String source, TimeZone timeZone) Convert a string to a Date instance according to the TimeZone value
static java.util.Date	toDate(java.lang.String source, ULocale locale) convert String with the specified locale to java.util.Date
static java.util.Date	toDate(java.lang.String source, ULocale locale, TimeZone timeZone)
static java.util.Date	toDateWithCheck(java.lang.String source, java.util.Locale locale) A temp solution to the adoption of ICU4J in BIRT.
static java.util.Date	toDateWithCheck(java.lang.String source, ULocale locale) Convert string to date with check.
static java.lang.Double	toDouble(java.lang.Object source) Boolean -> Double true -> 1 others -> 0 Date -> Double Date.getTime(); String -> Double Double.valueOf(String);
static java.lang.Double	toDouble(java.lang.Object source, java.util.Locale locale)
static java.lang.Double	toDouble(java.lang.Object source, ULocale locale)
static java.lang.Integer	toInteger(java.lang.Object source) Boolean -> Integer true -> 1 others -> 0 Date -> Integer Date.getTime(); String -> Integer Integer.valueOf();
static java.lang.Integer	toIntegerValue(java.lang.Object evaValue) convert object to Integer.
static java.lang.String	toLocaleNeutralString(java.lang.Object source) Convert an object to an locale neutral String value.
static int	toOdaDataType(java.lang.Class odiTypeClass) Converts an ODI type class to its corresponding ODA data type code.
static java.lang.Class	toOdiTypeClass(int odaDataTypeCode) Converts an ODA data type code to the Java class of its corresponding Data Engine ODI data type.
static java.sql.Date	toSqlDate(java.lang.Object source) Date -> Time String -> Time
static java.sql.Time	toSqlTime(java.lang.Object source) Date -> Time String -> Time
static java.lang.String	toString(java.lang.Object source) Number -> String Number.toString() Boolean -> String Boolean.toString() Date -> String toString(Date)
static java.lang.String	toString(java.lang.Object source, java.util.Locale locale) A temp solution to the adoption of ICU4J.
static java.lang.String	toString(java.lang.Object source, ULocale locale) Number -> String Number.toString() Boolean -> String Boolean.toString() Date -> String toString(Date,locale)
static java.sql.Timestamp	toTimestamp(java.lang.Object source)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

resourceBundle

public static java.util.ResourceBundle resourceBundle

count

public static long count

Constructor Detail

DataTypeUtil

public DataTypeUtil()

Method Detail

convert

public static java.lang.Object convert(java.lang.Object source,
                       int toType)
                                throws BirtException

convert an object to given type Types supported: DataType.INTEGER_TYPE DataType.DECIMAL_TYPE DataType.BOOLEAN_TYPE DataType.DATE_TYPE DataType.DOUBLE_TYPE DataType.STRING_TYPE DataType.BLOB_TYPE DataType.SQL_DATE_TYPE DataType.SQL_TIME_TYPE

Parameters:

source -

toType -

Returns:

Throws:

BirtException

convert

public static java.lang.Object convert(java.lang.Object source,
                       java.lang.Class toTypeClass)
                                throws BirtException

convert a object to given class Classes supported: Integer.class BigDecimal.class Boolean.class Time.class Date.class Double.class String.class Blob.class

Parameters:

source -

toTypeClass -

Returns:

Throws:

BirtException

toInteger

public static java.lang.Integer toInteger(java.lang.Object source)
                                   throws BirtException

Boolean -> Integer true -> 1 others -> 0 Date -> Integer Date.getTime(); String -> Integer Integer.valueOf();

Parameters:

source -

Returns:

Throws:

BirtException

toBigDecimal

public static java.math.BigDecimal toBigDecimal(java.lang.Object source)
                                         throws BirtException

Boolean -> BigDecimal true -> 1 others -> 0 Date -> BigDecimal Date.getTime(); String -> BigDecimal new BigDecimal(String);

Parameters:

source -

Returns:

Throws:

BirtException

toBoolean

public static java.lang.Boolean toBoolean(java.lang.Object source)
                                   throws BirtException

Number -> Boolean 0 -> false others -> true String -> Boolean "true" -> true (ignore case) "false" -> false (ignore case) other string will throw an exception Date -> Boolean throw exception

Parameters:

source -

Returns:

Throws:

BirtException

toDate

public static java.util.Date toDate(java.lang.Object source)
                             throws BirtException

Number -> Date new Date((long)Number) String -> Date toDate(String)

Parameters:

source -

Returns:

Throws:

BirtException

toTimestamp

public static java.sql.Timestamp toTimestamp(java.lang.Object source)
                                      throws BirtException

Parameters:

source -

Returns:

Throws:

BirtException

toSqlTime

public static java.sql.Time toSqlTime(java.lang.Object source)
                               throws BirtException

Date -> Time String -> Time

Parameters:

source -

Returns:

Throws:

BirtException

toSqlDate

public static java.sql.Date toSqlDate(java.lang.Object source)
                               throws BirtException

Date -> Time String -> Time

Parameters:

source -

Returns:

Throws:

BirtException

toDate

public static java.util.Date toDate(java.lang.String source,
                    java.util.Locale locale)
                             throws BirtException

A temp solution to the adoption of ICU4J to BIRT. Simply delegate toDate( String, Locale) method.

Parameters:

source - the String to be convert

locate - the locate of the string

Returns:

result Date

Throws:

BirtException

toDate

public static java.util.Date toDate(java.lang.String source,
                    ULocale locale)
                             throws BirtException

convert String with the specified locale to java.util.Date

Parameters:

source - the String to be convert

locate - the locate of the string

Returns:

result Date

Throws:

BirtException

toDate

public static java.util.Date toDate(java.lang.String source,
                    ULocale locale,
                    TimeZone timeZone)
                             throws BirtException

Parameters:

source -

locale -

timeZone -

Returns:

Throws:

BirtException

toDate

public static java.util.Date toDate(java.lang.String source,
                    TimeZone timeZone)
                             throws BirtException

Convert a string to a Date instance according to the TimeZone value

Parameters:

source -

timeZone -

Returns:

Throws:

BirtException

toDateWithCheck

public static java.util.Date toDateWithCheck(java.lang.String source,
                             java.util.Locale locale)
                                      throws BirtException

A temp solution to the adoption of ICU4J in BIRT. It is a simple delegation to toDateWithCheck( String, Locale ).

Parameters:

source -

locale -

Returns:

Date

Throws:

BirtException

toDateWithCheck

public static java.util.Date toDateWithCheck(java.lang.String source,
                             ULocale locale)
                                      throws BirtException

Convert string to date with check. JDK may do incorrect converse, for example: 2005/1/1 Local.US, format pattern is MM/dd/YY. Above conversion can be done without error, but obviously the result is not right. This method will do such a simple check, in DateFormat.SHORT case instead of all cases. Year is not lower than 0. Month is from 1 to 12. Day is from 1 to 31.

Parameters:

source -

locale -

Returns:

Date

Throws:

BirtException

toDouble

public static java.lang.Double toDouble(java.lang.Object source,
                        java.util.Locale locale)
                                 throws CoreException

Throws:

CoreException

toDouble

public static java.lang.Double toDouble(java.lang.Object source,
                        ULocale locale)
                                 throws CoreException

Throws:

CoreException

toDouble

public static java.lang.Double toDouble(java.lang.Object source)
                                 throws BirtException

Boolean -> Double true -> 1 others -> 0 Date -> Double Date.getTime(); String -> Double Double.valueOf(String);

Parameters:

source -

Returns:

Throws:

BirtException

toString

public static java.lang.String toString(java.lang.Object source)
                                 throws BirtException

Number -> String Number.toString() Boolean -> String Boolean.toString() Date -> String toString(Date)

Parameters:

source -

Returns:

Throws:

BirtException

toString

public static java.lang.String toString(java.lang.Object source,
                        java.util.Locale locale)
                                 throws BirtException

A temp solution to the adoption of ICU4J. It is a simple delegation to toString( Object, Locale ).

Parameters:

source -

Returns:

Throws:

BirtException

toLocaleNeutralString

public static java.lang.String toLocaleNeutralString(java.lang.Object source)
                                              throws BirtException

Convert an object to an locale neutral String value. For Date values we will convert to ISO8601 format.

Parameters:

source -

Returns:

Throws:

BirtException

toString

public static java.lang.String toString(java.lang.Object source,
                        ULocale locale)
                                 throws BirtException

Number -> String Number.toString() Boolean -> String Boolean.toString() Date -> String toString(Date,locale)

Parameters:

source -

Returns:

Throws:

BirtException

toBlob

public static java.sql.Blob toBlob(java.lang.Object source)
                            throws BirtException

Converting Blob to/from other types is not currently supported

Parameters:

source -

Returns:

Throws:

BirtException

toBytes

public static byte[] toBytes(java.lang.Object source)
                      throws BirtException

Parameters:

source -

Returns:

byte array

Throws:

BirtException

toApiDataType

public static int toApiDataType(java.lang.Class clazz)

Converts a Java class to its corresponding data type constant defined in DataType

toApiDataType

public static int toApiDataType(int odaDataTypeCode)
                         throws BirtException

Converts an ODA data type code to its corresponding Data Engine API data type constant defined in DataType.

Parameters:

odaDataTypeCode - an ODA data type code

Throws:

BirtException - if the specified ODA data type code is not a supported type

toAutoValue

public static java.lang.Object toAutoValue(java.lang.Object evaValue)

Convert object to a suitable type from its value Object -> Integer -> Double -> BigDecimal -> Date -> String

toIntegerValue

public static java.lang.Integer toIntegerValue(java.lang.Object evaValue)

convert object to Integer. If fails, return null. Object -> Integer

toOdiTypeClass

public static java.lang.Class toOdiTypeClass(int odaDataTypeCode)
                                      throws BirtException

Converts an ODA data type code to the Java class of its corresponding Data Engine ODI data type.

ODA Data Type -> ODI Type Class
Integer -> java.lang.Integer
Double -> java.lang.Double
Character -> java.lang.String
Decimal -> java.math.BigDecimal
Date -> java.sql.Date
Time -> java.sql.Time
Timestamp -> java.sql.Timestamp
Blob -> java.sql.Blob
Clob -> java.sql.Clob
Boolean -> java.lang.Boolean
JavaObject -> java.lang.Object

Parameters:

odaDataTypeCode - an ODA data type code

Returns:

the ODI type class that corresponds with the specified ODA data type

Throws:

BirtException - if the specified ODA data type is not a supported type

toOdaDataType

public static int toOdaDataType(java.lang.Class odiTypeClass)

Converts an ODI type class to its corresponding ODA data type code.
ODI Type Class -> ODA Data Type
java.lang.Integer -> Integer
java.lang.Double -> Double
java.lang.String -> Character
java.math.BigDecimal -> Decimal
java.util.Date -> Timestamp
java.sql.Date -> Date
java.sql.Time -> Time
java.sql.Timestamp -> Timestamp
java.sql.Blob -> Blob
java.sql.Clob -> Clob
java.lang.Boolean -> Boolean
java.lang.Object -> JavaObject

All other type classes are mapped to the ODA String data type.

Parameters:

odiTypeClass - a type class used by the Data Engine ODI component

Returns:

the ODA data type that maps to the ODI type class.