Bug 212109 [Automation][Acceptance]NPE is thrown out when previewing report
Description: NPE is thrown out when preview Test Date: 20071206 Test Build: BIRT2.3.0 Daily Build: v20071206-1112 Step to reproduce: 1. Use the report attached 2. Preview it
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
if ( IForeignContent.TEXT_TYPE.equals( rawFormat ) )
		{
			handleOnRender( foreignContent );
			ITextContent textContent = reportContent
					.createDataContent( foreignContent );
			textContent.setText( rawValue == null ? "" : rawValue.toString( ) ); 
			return textContent;
		}
		
		if ( IForeignContent.HTML_TYPE.equals( rawFormat ) )
		{
			handleOnRender( foreignContent );
			String key = foreignContent.getRawKey( );
			if (key != null)
			{
				String text = localize( foreignContent, key, null);
				if (text != null)
				{
					foreignContent.setRawValue(  text );
				}
			}
			return foreignContent;
		}
		
		if ( IForeignContent.VALUE_TYPE.equals( rawFormat ) )
		{
			handleOnRender( foreignContent );
			IDataContent dataContent = reportContent
					.createDataContent( foreignContent );