src/main/java/com/irtimaled/bbor/client/gui/ListHelper.java

   1 package com.irtimaled.bbor.client.gui;
   2
   3 import java.util.List;
   4 import java.util.ListIterator;
   5 import java.util.function.Consumer;
   6 import java.util.function.Predicate;
   7 import java.util.function.Supplier;
   8
   9 public class ListHelper {
  10     public static <T> boolean findNextMatch(List<? extends T> list, int index, boolean forward, Predicate<T> match, Consumer<T> consumer) {
  11         ListIterator<? extends T> iterator = list.listIterator(index);
  12         Supplier<Boolean> hasMore = forward ? iterator::hasNext : iterator::hasPrevious;
  13         Supplier<T> more = forward ? iterator::next : iterator::previous;
  14
  15         while (hasMore.get()) {
  16             T item = more.get();
  17             if (match.test(item)) {
  18                 consumer.accept(item);
  19                 return true;
  20             }
  21         }
  22         return false;
  23     }
  24 }