/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol 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.
*
* FreeCol is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.model;
import org.freecolandroid.xml.stream.XMLStreamException;
import org.freecolandroid.xml.stream.XMLStreamReader;
import org.freecolandroid.xml.stream.XMLStreamWriter;
/**
* Represents a certain amount of a GoodsType. It does not correspond
* to actual cargo present in a Location. It is intended to represent
* things such as the amount of Lumber necessary to build something,
* or the amount of cargo to load at a certain Location.
*/
public class AbstractGoods extends FreeColObject {
/**
* Describe type here.
*/
private GoodsType type;
/**
* Describe amount here.
*/
private int amount;
/**
* Creates a new <code>AbstractGoods</code> instance.
*
*/
public AbstractGoods() {
// empty constructor
}
/**
* Creates a new <code>AbstractGoods</code> instance.
*
* @param type a <code>GoodsType</code> value
* @param amount an <code>int</code> value
*/
public AbstractGoods(GoodsType type, int amount) {
setId(type.getId());
this.type = type;
this.amount = amount;
}
/**
* Creates a new <code>AbstractGoods</code> instance.
*
* @param other an <code>AbstractGoods</code> value
*/
public AbstractGoods(AbstractGoods other) {
setId(other.type.getId());
this.type = other.type;
this.amount = other.amount;
}
/**
* Get the <code>Type</code> value.
*
* @return a <code>GoodsType</code> value
*/
public final GoodsType getType() {
return type;
}
public String getNameKey() {
return getType().getNameKey();
}
/**
* Set the <code>Type</code> value.
*
* @param newType The new Type value.
*/
public final void setType(final GoodsType newType) {
this.type = newType;
}
/**
* Get the <code>Amount</code> value.
*
* @return an <code>int</code> value
*/
public final int getAmount() {
return amount;
}
/**
* Set the <code>Amount</code> value.
*
* @param newAmount The new Amount value.
*/
public final void setAmount(final int newAmount) {
this.amount = newAmount;
}
public boolean equals(AbstractGoods other) {
return type == other.type && amount == other.amount;
}
/**
* This method writes an XML-representation of this object to
* the given stream.
*
* @param out The target stream.
* @throws XMLStreamException if there are any problems writing
* to the stream.
*/
public void toXMLImpl(XMLStreamWriter out) throws XMLStreamException {
super.toXML(out, getXMLElementTagName());
}
/**
* Write the attributes of this object to a stream.
*
* @param out The target stream.
* @throws XMLStreamException if there are any problems writing
* to the stream.
*/
@Override
protected void writeAttributes(XMLStreamWriter out)
throws XMLStreamException {
super.writeAttributes(out);
out.writeAttribute("type", getId());
out.writeAttribute("amount", Integer.toString(amount));
}
/**
* Initialize this object from an XML-representation of this object.
*
* @param in The input stream with the XML.
* @throws XMLStreamException if a problem was encountered
* during parsing.
*/
protected void readFromXMLImpl(XMLStreamReader in)
throws XMLStreamException {
type = getSpecification().getGoodsType(in.getAttributeValue(null,
"type"));
amount = Integer.parseInt(in.getAttributeValue(null, "amount"));
in.nextTag();
}
@Override
public String toString() {
return Integer.toString(amount) + " " + type.getId();
}
/**
* Gets the tag name of the root element representing this object.
*
* @return "abstractGoods".
*/
public static String getXMLElementTagName() {
return "abstractGoods";
}
}