Bug 128495 Provides BIRT Adapter of DTP Oda Design objects to/from ROM ODA Data Handles
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
else if ( source instanceof String )
		{
			try
			{
				return new BigDecimal( (String) source );
			}
			catch ( NumberFormatException e )
			{
				throw new BirtException( pluginId,
						ResourceConstants.CONVERT_FAILS,
						new Object[]{
								source.toString( ), "BigDecimal"
						},
						resourceBundle );
			}
		}
		else
		{
			throw new BirtException( pluginId,
					ResourceConstants.CONVERT_FAILS,
					new Object[]{
							source.toString( ), "BigDecimal"
					},
					resourceBundle );
		}
	}
	/**
	 * Number -> Boolean
	 * 		0 		-> false
	 * 		others 	-> true