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
* @param locParams
	 * @param request
	 * @return List
	 */
	public static List getLocParams( List locParams, HttpServletRequest request )
	{
		if ( locParams == null )
			locParams = new ArrayList( );
		String[] arrs = request
				.getParameterValues( ParameterAccessor.PARAM_ISLOCALE );
		if ( arrs != null )
		{
			for ( int i = 0; i < arrs.length; i++ )
				locParams.add( arrs[i] );
		}
		return locParams;
	}
	/**
	 * Check whether missing parameter or not.
	 * 
	 * @param task
	 * @param parameters
	 * @return
	 */
	public static boolean validateParameters( Collection parameterList,
			Map parameters )
	{
		assert parameters != null;
		boolean missingParameter = false;
		Iterator iter = parameterList.iterator( );