Bug 152298 org.eclipse.birt.report.data.oda.jdbc , org.eclipse.birt.report.data.oda.xml & org.eclipse.birt.report.data.adapter unit test failed in daily build 20060731
org.eclipse.birt.report.data.oda.jdbc , org.eclipse.birt.report.data.oda.xml & org.eclipse.birt.report.data.adapter unit test failed in daily build 20060731. Please see the attachment for details.
core/org.eclipse.birt.core/src/org/eclipse/birt/core/data/DataTypeUtil.java
*/
	public static Double toDouble( Object source ) throws BirtException
	{
		if ( source == null )
			return null;
		if ( source instanceof Double )
		{
			return (Double) source;
		}
		else if ( source instanceof Number )
		{
			
			double doubleValue = ( (Number) source ).doubleValue( );
			return new Double( doubleValue );
		}
		else if ( source instanceof Boolean )
		{
			if ( true == ( (Boolean) source ).booleanValue( ) )
				return new Double( 1d );
			return new Double( 0d );
		}
		else if ( source instanceof Date )
		{
			double doubleValue = ( (Date) source ).getTime( );
			return new Double( doubleValue );
		}
		else if ( source instanceof String )
		{
			try
			{