gistfile1.java

Bukkit.getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable(){

  	    @Override
		    public void run() {
			for(Player p : Bukkit.getOnlinePlayers()){//Gets all the online platers
			    if(p.getInventory().getArmorContents() != null){
				for(ItemStack armour : p.getInventory().getArmorContents()){
				    armour.setDurability((short)0);//Keeping durability at a constant durability
				}
			    }
			    if(p.getInventory().contains(Material.WOOD_SWORD) 
				    || p.getInventory().contains(Material.IRON_SWORD) 
				    || p.getInventory().contains(Material.GOLD_SWORD) 
				    || p.getInventory().contains(Material.DIAMOND_SWORD)){//Checking if the inventory contains swords
				for(int x=1; x<=33;x++){
				    if(p.getInventory().getItem(x) != null && p.getInventory().getItem(x).getType() == Material.WOOD_SWORD 
					    ||  p.getInventory().getItem(x).getType() == Material.IRON_SWORD
					    ||  p.getInventory().getItem(x).getType() == Material.GOLD_SWORD 
					    ||  p.getInventory().getItem(x).getType() == Material.DIAMOND_SWORD){//Getting all the swords
					p.getInventory().getItem(x).setDurability((short) 0);//Keeping durability at a constant durability
				    }
				}
			    }
			}

		    }

		}, 0L, 20L);