Bug 155660 [regression]DateTime parameter display incorrect value when set format
Description: DateTime parameter display incorrectly Steps to reproduce: 1.Add a DateTime parameter into the report 2.Set the default value as 03/12/2005 10:15:30 AM 3.Change the format to anyone without date (such as Short time or medium time) 4.preview Expected result: Display correctly(like 03/12/2005 10:15:30 AM ) Actual result: wrong display (like Jan 1, 1970 10:10 AM )
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/context/ViewerAttributeBean.java
if ( paramName != null )
							{
								if ( this.displayTexts == null )
									this.displayTexts = new HashMap( );
								this.displayTexts.put( paramName, paramValue );
							}
							continue;
						}
						
						paramName = getParameterName( paramName );
						ScalarParameterHandle parameter = (ScalarParameterHandle) findParameter( paramName );
						
						
						if ( paramValue != null && parameter != null )
						{
							
							String typeVarName = configVar.getName( )
									+ "_" + IBirtConstants.PROP_TYPE; 
							ConfigVariable typeVar = handle
									.findConfigVariable( typeVarName );
							
							String dataType = null;
							if ( typeVar != null )
								dataType = typeVar.getValue( );
							
							if ( dataType == null
									|| !dataType.equalsIgnoreCase( parameter
											.getDataType( ) ) )
							{
								continue;