+ /**
+ * Convert a string array to a whitespace-separated string.
+ *
+ * @param array the string array
+ * @return a single string
+ */
+ private String stringArrayToString(final String [] array) {
+ StringBuilder sb = new StringBuilder(array[0].length());
+ for (int i = 0; i < array.length; i++) {
+ sb.append(array[i]);
+ if (i < array.length - 1) {
+ sb.append(' ');
+ }
+ }
+ return sb.toString();
+ }
+