Bug 165278 this.getDisplayContent()="" in script of text will destroy preview[0801]
Description: this.getDisplayContent()="" in script of text will destroy preview Build number:2.1.2.v20061120 and 2.2.0.v20061117 Steps to reproduce: 1. Insert a text item, select it and switch to script editor 2. Input this.getDisplayContent()="" and preview Expected result: Error message about the incorrect script. Actual result: In 2.1.2, I saw HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. In 2.2.0, I saw error dialog with java.lang.ClassCastException.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
{
			if ( element == null )
				return null;
			else
				return String.valueOf( element.getID( ) );
		}
		public ArrayList getErrorList( )
		{
			return exList;
		}
		public ArrayList getCountList( )
		{
			return countList;
		}
	}
	public Map getAppContext( )
	{
		return appContext;
	}
	public void setAppContext( Map appContext )
	{
		this.appContext = appContext;
	}
	public IReportContext getReportContext( )
	{
		return reportContext;
	}
	public void setReportContext( IReportContext reportContext )
	{
		this.reportContext = reportContext;