/wro4j-core/src/main/java/ro/isdc/wro/util/StringUtils.java
while ( null.hasNext( ) ) {
while ( it.hasNext ( ) ) {
final String delim, final String prefix, final String suffix) { if (coll == null || coll.isEmpty()) { return EMPTY; } final StringBuilder sb = new StringBuilder(); final Iterator<String> it = coll.iterator(); <extra_id_0> sb.append(prefix).append(it.next()).append(suffix); if (it.hasNext()) { sb.append(delim); } } return sb.toString();