games.stendhal.server.entity.npc.action.DropInfostringItemAction.java Source code

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Here is the source code for games.stendhal.server.entity.npc.action.DropInfostringItemAction.java

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/* $Id: DropInfostringItemAction.java,v 1.10 2013/04/25 20:03:03 kiheru Exp $ */
/***************************************************************************
 *                   (C) Copyright 2003-2010 - Stendhal                    *
 ***************************************************************************
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
package games.stendhal.server.entity.npc.action;

import games.stendhal.common.parser.Sentence;
import games.stendhal.server.core.config.annotations.Dev;
import games.stendhal.server.core.config.annotations.Dev.Category;
import games.stendhal.server.entity.item.Item;
import games.stendhal.server.entity.npc.ChatAction;
import games.stendhal.server.entity.npc.EventRaiser;
import games.stendhal.server.entity.player.Player;

import java.util.List;

import org.apache.commons.lang.builder.HashCodeBuilder;
import org.apache.log4j.Logger;

/**
 * Drops the specified item with the specified infostring
 *
 * @see games.stendhal.server.entity.npc.condition.PlayerHasInfostringItemWithHimCondition
 */
@Dev(category = Category.ITEMS_OWNED, label = "Item-")
public class DropInfostringItemAction implements ChatAction {
    private static Logger logger = Logger.getLogger(DropItemAction.class);
    private final String itemName;
    private final String infostring;
    private final int amount;

    /**
     * Creates a new DropInfostringItemAction.
     *
     * @param itemName
     *            name of item
     * @param infostring
     *            infostring of the dropped item
     */
    public DropInfostringItemAction(final String itemName, final String infostring) {
        this.itemName = itemName;
        this.amount = 1;
        this.infostring = infostring;
    }

    /**
     * Creates a new DropInfostringItemAction.
     *
     * @param itemName
     *            name of item
     * @param amount
     *            amount of item
     * @param infostring
     *            infostring of the dropped item
     */
    @Dev
    public DropInfostringItemAction(final String itemName, @Dev(defaultValue = "1") final int amount,
            final String infostring) {
        this.itemName = itemName;
        this.amount = amount;
        this.infostring = infostring;
    }

    @Override
    public void fire(final Player player, final Sentence sentence, final EventRaiser npc) {
        final List<Item> items = player.getAllEquipped(itemName);
        boolean res = false;
        for (final Item item : items) {
            if (infostring.equalsIgnoreCase(item.getInfoString())) {
                res = player.drop(item.getName(), amount);
                break;
            }
        }

        if (!res) {
            logger.error("Cannot drop " + itemName, new Throwable());
        }
        player.notifyWorldAboutChanges();
    }

    @Override
    public String toString() {
        return "drop " + amount + " of item <" + itemName + "> with infostring <" + infostring + ">";
    }

    @Override
    public int hashCode() {
        return HashCodeBuilder.reflectionHashCode(this);
    }

    @Override
    public boolean equals(final Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final DropInfostringItemAction other = (DropInfostringItemAction) obj;
        if (!infostring.equals(other.infostring)) {
            return false;
        }
        if (amount != other.amount) {
            return false;
        }
        if (itemName == null) {
            if (other.itemName != null) {
                return false;
            }
        } else if (!itemName.equals(other.itemName)) {
            return false;
        }
        return true;
    }

}