gistfile1.java

public class Utils {
    public static List<Chest> find_all_chests(World world) {
        List<Chest> chests = new ArrayList();
        int tile_entities = 0;

        for (Chunk c : world.getLoadedChunks()) {
            for (BlockState b : c.getTileEntities()) {
                tile_entities++;

                Bukkit.getLogger().info("U WOT M8: " + b.toString());
                if (b instanceof Chest || b instanceof DoubleChest) {
                    //                if (b.getType() == Material.CHEST) {
                    Bukkit.getLogger().info("Looky there.");
                    chests.add((Chest) b);
                }
            }
        }
        Bukkit.getLogger().info("Found " + String.valueOf(tile_entities) + " TileEntities.");
        return chests;
    }
}

/*
[21:03:46 INFO]: Hunger Games V3 1825 60 -2641 3 0 DIRT
[21:03:46 INFO]: Hunger Games V3 1861 80 -2068 0 0 AIR
[21:03:46 INFO]: Hunger Games V3 1861 62 -2070 9 0 STATIONARY_WATER
[21:03:46 INFO]: Hunger Games V3 1861 62 -2068 9 0 STATIONARY_WATER
[21:03:46 INFO]: Hunger Games V3 1861 74 -2070 0 0 AIR
[21:03:46 INFO]: Hunger Games V3 1861 74 -2068 0 0 AIR
[21:03:46 INFO]: Hunger Games V3 1861 68 -2070 0 0 AIR
[21:03:46 INFO]: Hunger Games V3 1861 68 -2068 0 0 AIR
[21:03:46 INFO]: Hunger Games V3 1861 80 -2070 0 0 AIR
[21:03:46 INFO]: Hunger Games V3 1739 56 -2077 9 0 STATIONARY_WATER
*/

private void onChunkLoad(Chunk c){
    for(BlockState b:c.getTileEntities()) {
        Bukkit.broadcastMessage(String.join(" ", (String) b.getWorld().getName(), Integer.toString(b.getX()), Integer.toString(b.getY()), Integer.toString(b.getZ()), Integer.toString(b.getBlock().getTypeId()), Byte.toString(b.getBlock().getData()), b.getData().getItemType().name()));
    }