Bug 144577 Print in Web Viewer doesn't work in Linux
Description: Print in Web Viewer doesn't work in Linux Steps to reproduce: 1. New a report 2. Preview in Web Viewer and click Print button Expected result: Page is printed Actual result: Nothing happened.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/BirtUtility.java
while ( iter.hasNext( ) )
		{
			ParameterDefinition parameterObj = (ParameterDefinition) iter
					.next( );
			String parameterName = parameterObj.getName( );
			Object parameterValue = parameters.get( parameterName );
			
			if ( parameterObj.isHidden( ) )
			{
				continue;
			}
			if ( parameterValue == null && parameterObj.isRequired( ) )
			{
				missingParameter = true;
				break;
			}
			if ( parameterValue instanceof String )
			{
				String parameterStringValue = (String) parameterValue;
				if ( parameterStringValue != null
						&& parameterStringValue.length( ) <= 0
						&& parameterObj.isRequired( ) )
				{
					missingParameter = true;
					break;
				}
			}
		}
		return missingParameter;
	}