Bug 182062 Define and provide Date/Time format value
DateTime type has been supported in BIRT. Now, there's a proposal on support Date/Time type in BIRT Report Designer. In order to enable end user setting the format of Date/Time type, please define and provide format value for both Date and Time.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/parser/AbstractPropertyState.java
Object valueToSet = value;
		if ( memberDefn.isEncryptable( ) )
		{
			IEncryptionHelper helper = MetaDataDictionary.getInstance( )
					.getEncryptionHelper( );
			valueToSet = helper.decrypt( (String) valueToSet );
		}
		doSetMember( struct, propName, memberDefn, valueToSet );
	}
	protected void doSetMember( IStructure struct, String propName,
			StructPropertyDefn memberDefn, Object valueToSet )
	{
		
		try
		{
			Object propValue = memberDefn.validateXml( handler.getModule( ),
					(String) valueToSet );
			struct.setProperty( memberDefn, propValue );
		}
		catch ( PropertyValueException ex )
		{
			ex.setElement( element );
			ex.setPropertyName( propName + "." + memberDefn.getName( ) ); 
			handleMemberValueException( ex, memberDefn );
			valid = false;
		}
	}
	/**
	 * Sets the value of a property with a string parsed from the XML file.
	 * Performs any required semantic checks.