Bug 193875 we can not get an entir url by IHTMLActionHandler
we can not get an entir url by IHTMLActionHandler, so word emitter dose not write the right url. now hyperlink drill through in word emitter doesn't work.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/ParameterAccessor.java
realPath = getRealPath( path, context );
			makeDir( realPath );
			return DataUtil.trimSepEnd( path );
		}
		else
		{
			
			realPath = path;
		}
		
		makeDir( realPath );
		return DataUtil.trimSepEnd( realPath );
	}
	/**
	 * Process folder settings with absolute path. If path is a relative path,
	 * first relative to context. If set canWrite to true, then check the folder
	 * if writable.If not, relative to ${java.io.tmpdir} folder.
	 * 
	 * @param context
	 * @param path
	 * @param defaultPath
	 * @param canWrite
	 * @return
	 */
	public static String processRealPath( ServletContext context, String path,
			String defaultPath, boolean canWrite )
	{
		String realPath = null;
		boolean isRelative = false;
		path = convertSystemPath( path );