Bug 201399 Fail to pass parameter with multi-values in drill-through link[0705][04]
Description: Fail to pass parameter with multi-values in drill-through link Build number:2.2.1.v20070828 Steps to reproduce: 1. New a report with a report parameter p1 allowing multi-values. 2. New a second report with a report parameter p2 allowing multi-values 3. In the first report, define a drill-through link and pass p1 to p2. 4. Preview and click the link. Expected result: Values are passed to target report. Actual result: Object display in the second report instead of paramter values. Try attached master/slave report. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ViewerHTMLActionHandler.java
return buildBookmarkAction( actionDefn, context );
			}
			case IAction.ACTION_HYPERLINK :
			{
				return actionDefn.getActionString( );
			}
			case IAction.ACTION_DRILLTHROUGH :
			{
				return buildDrillAction( actionDefn, context );
			}
		}
		return null;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.engine.api.HTMLActionHandler#getURL(org.eclipse.birt.report.engine.api.IAction,
	 *      java.lang.Object)
	 */
	public String getURL( IAction actionDefn, Object context )
	{
		if ( actionDefn == null )
			return null;
		if ( context instanceof IReportContext )
			return getURL( actionDefn, (IReportContext) context );
		throw new IllegalArgumentException( "The context is of wrong type." ); 
	}
	/**
	 * Build URL for bookmark.
	 *