PMD and checkstyle

git-svn-id: https://josm.openstreetmap.de/svn/trunk@19094 0c6e7542-c601-0410-84e7-c038aed88b3b

Author: stoecker

src/org/openstreetmap/josm/tools/Utils.java

@@ -2066,6 +2066,7 @@ public static String intern(String string) {
      * Convert a length unit to meters
      * @param s arbitrary string representing a length
      * @return the length converted to meters
+     * @throws IllegalArgumentException if input is no valid length
      * @since 19089
      */
     public static Double unitToMeter(String s) throws IllegalArgumentException {
@@ -2093,7 +2094,7 @@ else if ("in".equals(m.group(2)) || "\"".equals(m.group(2)))
             if (m.matches()) {
                 /* NOTE: we assume -a'b" means -(a'+b") and not (-a')+b" - because of such issues SI units have been invented
                    and have been adopted by the majority of the world */
-                return (Double.valueOf(m.group(2))*0.3048+Double.valueOf(m.group(4))*0.0254)*(m.group(1).isEmpty()?1.0:-1.0);
+                return (Double.valueOf(m.group(2))*0.3048+Double.valueOf(m.group(4))*0.0254)*(m.group(1).isEmpty() ? 1.0 : -1.0);
             }
         }
         throw new IllegalArgumentException("Invalid length value: " + s);