UnownRunner.java

package com.nicewuerfel.blockown.command;

import com.google.common.base.Optional;

import com.nicewuerfel.blockown.InvalidWorldNameException;
import com.nicewuerfel.blockown.Message;
import com.nicewuerfel.blockown.OwnedBlock;
import com.nicewuerfel.blockown.Permission;
import com.nicewuerfel.blockown.Setting;
import com.nicewuerfel.blockown.User;
import com.nicewuerfel.blockown.database.Database;
import com.nicewuerfel.blockown.database.DatabaseAction;

import org.bukkit.block.Block;
import org.bukkit.entity.Player;

import java.util.Iterator;

public class UnownRunner implements Runnable {

  private final Setting setting;
  private final Database database;
  private final Iterator<Block> region;
  private final User user;
  private final Player player;

  public UnownRunner(Setting setting, Database database, Iterator<Block> region, User user,
                     Player player) {
    this.setting = setting;
    this.database = database;
    this.region = region;
    this.user = user;
    this.player = player;
  }

  @Override
  public void run() {
    Block bukkitBlock;
    OwnedBlock block;
    int ownedCounter = 0;
    while (region.hasNext()) {
      bukkitBlock = region.next();
      block = OwnedBlock.newInstance(bukkitBlock);
      try {
        if (bukkitBlock.getType() != org.bukkit.Material.AIR
            && setting.isOwnEnabled(block.getMaterial())) {
          Optional<User> owner = database.getOwner(block);
          if (!owner.isPresent()) {
            continue;
          }
          if (owner.get().equals(user) || (player.hasPermission(Permission.ADMIN_UNOWN.toString())
              && setting.isIgnoring(user))) {
            DatabaseAction databaseAction = DatabaseAction.newUnownInstance(block);
            database.enqueue(databaseAction);
            ownedCounter++;
          }
        }
      } catch (InvalidWorldNameException e) {
        // Should never happen, since world name is from bukkit Block instance
        setting.getOutput().printError("This should never happen! UnownRunner", e);
      }
    }
    player.sendMessage(Message.COMMAND_UNOWN_SELECTION_SUCCESS.getMessage(ownedCounter));
  }

}