# Package org.eclipse.birt.core.data

package org.eclipse.birt.core.data
Provide BIRT's data util component.

## Package Specification

Provide BIRT's data util component.

Class
Description
Constants
Defines static constants for BIRT data access.
DataType
Defines constants for BIRT data types
DataType.AnyType
Other type can be found in JDK, such as Integer and String, but AnyType have to be manually created to make it correspond to "Any" name.
DataTypeUtil
A utility function The convert method converts the source object, which can be any supported data type, into an object given specified type.
DateFormatFactory
Manages per-thread storage of locale-specific DateFormat instances.
DateFormatISO8601
DateFormatISO8601 is a utility class for formatting and parsing dates according to date format defined by ISO8601.
DateTimeUtil
DateUtil
Date util class, which is used to check whether String can be correctly converted to Date.
ExpressionHelper
None-static version of `ExpressionParserUtility` , which caches parsed expressions and avoid repeat parsing the same expressions.
ExpressionParserUtility
This utility class is to compile expression to get a list of column expression.
ExpressionUtil
This class help to manipulate expressions.
IColumnBinding
The instance of this interface defines a name-expression pair of column binding.
IDimLevel
OlapExpressionCompiler